一键清零和单位转换

database.py

@@ -32,6 +32,7 @@ class DatabaseManager:
                     CREATE TABLE IF NOT EXISTS fabrics (
                         model TEXT PRIMARY KEY,
                         category TEXT DEFAULT '未分类',
+                        fabric_type TEXT,
                         supplier TEXT,
                         color TEXT,
                         width REAL,
@@ -47,6 +48,7 @@ class DatabaseManager:
                 
                 # 为fabrics表添加索引
                 conn.execute('CREATE INDEX IF NOT EXISTS idx_fabrics_category ON fabrics(category)')
+                conn.execute('CREATE INDEX IF NOT EXISTS idx_fabrics_fabric_type ON fabrics(fabric_type)')
                 conn.execute('CREATE INDEX IF NOT EXISTS idx_fabrics_supplier ON fabrics(supplier)')
 
                 # 衣服款号表
@@ -66,6 +68,7 @@ class DatabaseManager:
                         style_number TEXT,
                         category TEXT,
                         fabric_type TEXT,
+                        model TEXT,
                         usage_per_piece REAL,
                         unit TEXT DEFAULT '米',
                         created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
@@ -77,12 +80,21 @@ class DatabaseManager:
                 # 为garment_materials表添加索引
                 conn.execute('CREATE INDEX IF NOT EXISTS idx_garment_materials_style ON garment_materials(style_number)')
                 conn.execute('CREATE INDEX IF NOT EXISTS idx_garment_materials_category ON garment_materials(category)')
+                conn.execute('CREATE INDEX IF NOT EXISTS idx_garment_materials_model ON garment_materials(model)')
                 
                 # 添加新字段（如果不存在）
                 try:
                     conn.execute("ALTER TABLE garment_materials ADD COLUMN fabric_type TEXT")
                 except:
                     pass
+                try:
+                    conn.execute("ALTER TABLE garment_materials ADD COLUMN model TEXT")
+                except:
+                    pass
+                try:
+                    conn.execute("ALTER TABLE fabrics ADD COLUMN fabric_type TEXT")
+                except:
+                    pass
                 try:
                     conn.execute("ALTER TABLE fabrics ADD COLUMN created_at DATETIME DEFAULT CURRENT_TIMESTAMP")
                 except:
@@ -132,6 +144,21 @@ class DatabaseManager:
                 except:
                     pass
                 
+                # 数据迁移：将fabrics表中category字段的"类目-类型"格式拆分成两个字段
+                try:
+                    cursor = conn.execute("SELECT model, category FROM fabrics WHERE category LIKE '%-%' AND (fabric_type IS NULL OR fabric_type = '')")
+                    rows = cursor.fetchall()
+                    for model, category in rows:
+                        if '-' in category:
+                            parts = category.split('-', 1)
+                            new_category = parts[0]
+                            new_fabric_type = parts[1]
+                            conn.execute("UPDATE fabrics SET category = ?, fabric_type = ? WHERE model = ?", 
+                                       (new_category, new_fabric_type, model))
+                    conn.commit()
+                except:
+                    pass
+
                 # 管理员设置表
                 conn.execute('''
                     CREATE TABLE IF NOT EXISTS admin_settings (
@@ -246,14 +273,10 @@ def get_fabric_categories(db_path):
     try:
         with get_db_connection(db_path) as conn:
             cursor = conn.execute("""
-                SELECT DISTINCT 
+                SELECT DISTINCT category
-                    CASE 
-                        WHEN category LIKE '%-%' THEN SUBSTR(category, 1, INSTR(category, '-') - 1)
-                        ELSE category
-                    END as major_category
                 FROM fabrics 
                 WHERE category IS NOT NULL AND category != '' 
-                ORDER BY major_category
+                ORDER BY category
             """)
             categories = set()
             for row in cursor.fetchall():
@@ -272,19 +295,15 @@ def get_fabric_types_by_category(db_path, category):
     try:
         with get_db_connection(db_path) as conn:
             cursor = conn.execute("""
-                SELECT DISTINCT 
+                SELECT DISTINCT fabric_type
-                    CASE 
-                        WHEN category LIKE '%-%' THEN SUBSTR(category, INSTR(category, '-') + 1)
-                        ELSE '默认类型'
-                    END as fabric_type
                 FROM fabrics 
-                WHERE category LIKE ? OR category = ?
+                WHERE category = ? AND fabric_type IS NOT NULL AND fabric_type != ''
                 ORDER BY fabric_type
-            """, (f"{category}-%", category))
+            """, (category,))
             
             types = []
             for row in cursor.fetchall():
-                if row[0] and row[0] != '默认类型':
+                if row[0] and row[0].strip():
                     types.append(row[0])
             return types
     except:

fabric_manager_pro.py

@@ -86,45 +86,55 @@ class FabricManager(QMainWindow):
         try:
             with self.get_conn() as conn:
                 cursor = conn.execute('''
-                    SELECT category, fabric_type, usage_per_piece, unit
+                    SELECT model, category, fabric_type, usage_per_piece, unit
                     FROM garment_materials
                     WHERE style_number = ?
                 ''', (style_number,))
                 rows = cursor.fetchall()
                 inserted = 0
-                for category, fabric_type, usage_per_piece, unit in rows:
+                for model, category, fabric_type, usage_per_piece, unit in rows:
                     if usage_per_piece == 0:
                         continue
 
-                    # 获取该原料在入库时使用的单位
+                    # 优先使用精确原料型号（model）；如无型号则退回到分类名称（兼容旧数据）
+                    raw_identifier = model if model else category
+
+                    # 获取该原料在入库时使用的单位（最近一次入库）
                     stock_cursor = conn.execute('''
                         SELECT unit FROM fabric_stock_in 
                         WHERE model = ? 
                         ORDER BY purchase_date DESC 
                         LIMIT 1
-                    ''', (category,))
+                    ''', (raw_identifier,))
                     stock_unit_row = stock_cursor.fetchone()
 
-                    # 如果有入库记录，使用入库单位；否则使用原来的单位
+                    total_usage = usage_per_piece * quantity * (1 + loss_rate)
+
+                    # 如果有入库记录，则按入库单位扣减库存；必要时进行单位换算
                     if stock_unit_row:
                         stock_unit = stock_unit_row[0]
-                        # 如果单位不同，需要转换
                         if unit != stock_unit:
-                            consume_qty = self.convert_unit_value(usage_per_piece * quantity * (1 + loss_rate), unit, stock_unit, category)
+                            # 单位不同，尝试进行单位转换（米/码/公斤互转依赖面料幅宽和克重）
+                            consume_qty = self.convert_unit_value(
+                                total_usage,
+                                unit,
+                                stock_unit,
+                                fabric_model=model if model else None
+                            )
                             final_unit = stock_unit
                         else:
-                            consume_qty = usage_per_piece * quantity * (1 + loss_rate)
+                            consume_qty = total_usage
                             final_unit = unit
                     else:
-                        # 没有入库记录，使用原单位
+                        # 没有入库记录，只能按原单位记录消耗
-                        consume_qty = usage_per_piece * quantity * (1 + loss_rate)
+                        consume_qty = total_usage
                         final_unit = unit
 
                     conn.execute('''
                         INSERT INTO fabric_consumption
                         (style_number, model, single_usage, quantity_made, loss_rate, consume_quantity, consume_date, unit)
                         VALUES (?, ?, ?, ?, ?, ?, ?, ?)
-                    ''', (style_number, category, usage_per_piece, quantity, loss_rate, consume_qty, datetime.now().strftime('%Y-%m-%d'), final_unit))
+                    ''', (style_number, raw_identifier, usage_per_piece, quantity, loss_rate, consume_qty, datetime.now().strftime('%Y-%m-%d'), final_unit))
                     inserted += 1
                 conn.commit()
             if inserted > 0:
@@ -177,12 +187,17 @@ class FabricManager(QMainWindow):
         text = f"款号: {style_number}\n生产件数: {qty}\n损耗率: {self.loss_input.value()}%\n\n"
         try:
             with self.get_conn() as conn:
-                cursor = conn.execute("SELECT category, fabric_type, usage_per_piece, unit FROM garment_materials WHERE style_number = ? ORDER BY id", (style_number,))
+                cursor = conn.execute("SELECT category, fabric_type, model, usage_per_piece, unit FROM garment_materials WHERE style_number = ? ORDER BY id", (style_number,))
-                for category, fabric_type, usage, unit in cursor.fetchall():
+                for category, fabric_type, model, usage, unit in cursor.fetchall():
                     if usage:
                         total = usage * qty * (1 + loss)
-                        # 显示材料名称（如果有类型则显示类目-类型，否则只显示类目）
+                        # 显示材料名称：优先显示型号，否则显示类目-类型，最后只显示类目
-                        material_name = f"{category}-{fabric_type}" if fabric_type else category
+                        if model:
+                            material_name = model
+                        elif fabric_type:
+                            material_name = f"{category}-{fabric_type}" if category else fabric_type
+                        else:
+                            material_name = category or "未命名材料"
                         text += f"{material_name}\n单件: {usage:.3f} {unit}\n总用量: {total:.3f} {unit}\n\n"
         except Exception as e:
             text += "计算失败: " + str(e)
@@ -332,6 +347,7 @@ class FabricManager(QMainWindow):
                     CREATE TABLE IF NOT EXISTS fabrics (
                         model TEXT PRIMARY KEY,
                         category TEXT DEFAULT '未分类',
+                        fabric_type TEXT,
                         supplier TEXT,
                         color TEXT,
                         width REAL,
@@ -356,6 +372,7 @@ class FabricManager(QMainWindow):
                         style_number TEXT,
                         category TEXT,
                         fabric_type TEXT,
+                        model TEXT,
                         usage_per_piece REAL,
                         unit TEXT DEFAULT '米'
                     )
@@ -364,6 +381,30 @@ class FabricManager(QMainWindow):
                 # 添加fabric_type列（如果不存在）
                 try:
                     conn.execute("ALTER TABLE garment_materials ADD COLUMN fabric_type TEXT")
+                except:
+                    pass
+                # 添加model列（如果不存在）
+                try:
+                    conn.execute("ALTER TABLE garment_materials ADD COLUMN model TEXT")
+                except:
+                    pass
+                # 添加fabrics表的fabric_type列（如果不存在）
+                try:
+                    conn.execute("ALTER TABLE fabrics ADD COLUMN fabric_type TEXT")
+                except:
+                    pass
+                # 数据迁移：将fabrics表中category字段的"类目-类型"格式拆分成两个字段
+                try:
+                    cursor = conn.execute("SELECT model, category FROM fabrics WHERE category LIKE '%-%' AND (fabric_type IS NULL OR fabric_type = '')")
+                    rows = cursor.fetchall()
+                    for model, category in rows:
+                        if '-' in category:
+                            parts = category.split('-', 1)
+                            new_category = parts[0]
+                            new_fabric_type = parts[1]
+                            conn.execute("UPDATE fabrics SET category = ?, fabric_type = ? WHERE model = ?", 
+                                       (new_category, new_fabric_type, model))
+                    conn.commit()
                 except:
                     pass  # 列已存在
 

garment_dialogs.py

@@ -10,107 +10,68 @@ from PyQt5.QtWidgets import (
     QPushButton, QComboBox, QTableWidget, QTableWidgetItem, QHeaderView,
     QMessageBox, QFileDialog, QDoubleSpinBox, QWidget, QCompleter
 )
-from PyQt5.QtCore import Qt, QStringListModel, QTimer
+from PyQt5.QtCore import Qt, QTimer, QSortFilterProxyModel
 from PyQt5.QtGui import QPixmap
 from database import get_db_connection
 
 
 class SearchableComboBox(QComboBox):
-    """支持模糊搜索的下拉框"""
+    """支持模糊搜索的下拉框 - 基于 QSortFilterProxyModel 和 QCompleter"""
     
     def __init__(self, parent=None):
-        super().__init__(parent)
+        super(SearchableComboBox, self).__init__(parent)
+
+        self.setFocusPolicy(Qt.StrongFocus)
         self.setEditable(True)
         self.setInsertPolicy(QComboBox.NoInsert)
 
-        # 存储所有选项
+        # 添加过滤模型来过滤匹配项
-        self.all_items = []
+        self.pFilterModel = QSortFilterProxyModel(self)
-        self.all_data = []
+        self.pFilterModel.setFilterCaseSensitivity(Qt.CaseInsensitive)
-        self.is_filtering = False
+        self.pFilterModel.setSourceModel(self.model())
 
-        # 设置自动完成
+        # 添加自动完成器，使用过滤模型
-        self.completer = QCompleter(self)
+        self.completer = QCompleter(self.pFilterModel, self)
-        self.completer.setCompletionMode(QCompleter.PopupCompletion)
+        # 始终显示所有（过滤后的）完成项
-        self.completer.setCaseSensitivity(Qt.CaseInsensitive)
+        self.completer.setCompletionMode(QCompleter.UnfilteredPopupCompletion)
-        self.completer.setFilterMode(Qt.MatchContains)
         self.setCompleter(self.completer)
 
         # 连接信号
-        self.lineEdit().textChanged.connect(self.on_text_changed)
+        self.lineEdit().textEdited.connect(self.pFilterModel.setFilterFixedString)
+        self.completer.activated.connect(self.on_completer_activated)
 
-    def addItem(self, text, userData=None):
+    # 当从自动完成器中选择项时，从组合框中选择对应的项
-        """添加选项"""
+    def on_completer_activated(self, text):
-        # 临时断开信号连接，防止textChanged触发on_text_changed
+        if text:
-        self.lineEdit().textChanged.disconnect()
+            index = self.findText(text)
-        super().addItem(text, userData)
+            self.setCurrentIndex(index)
-        if text not in self.all_items:
+            self.activated[str].emit(self.itemText(index))
-            self.all_items.append(text)
-            self.all_data.append(userData)
-        self.update_completer()
-        # 重新连接信号
-        self.lineEdit().textChanged.connect(self.on_text_changed)
 
-    def addItems(self, texts):
+    # 当模型改变时，同时更新过滤器和自动完成器的模型
-        """批量添加选项"""
+    def setModel(self, model):
-        for text in texts:
+        super(SearchableComboBox, self).setModel(model)
-            self.addItem(text)
+        self.pFilterModel.setSourceModel(model)
+        self.completer.setModel(self.pFilterModel)
 
-    def clear(self):
+    # 当模型列改变时，同时更新过滤器和自动完成器的模型列
-        """清空所有选项"""
+    def setModelColumn(self, column):
-        if not self.is_filtering:
+        self.completer.setCompletionColumn(column)
-            super().clear()
+        self.pFilterModel.setFilterKeyColumn(column)
-            self.all_items.clear()
+        super(SearchableComboBox, self).setModelColumn(column)
-            self.all_data.clear()
-            self.update_completer()
-        
-    def reset_items(self):
-        """重置所有选项"""
-        # 临时断开信号连接，防止textChanged触发on_text_changed
-        self.lineEdit().textChanged.disconnect()
-        self.is_filtering = True
-        super().clear()
-        for i, item in enumerate(self.all_items):
-            super().addItem(item, self.all_data[i] if i < len(self.all_data) else None)
-        self.is_filtering = False
-        # 重新连接信号
-        self.lineEdit().textChanged.connect(self.on_text_changed)
-        
-    def update_completer(self):
-        """更新自动完成列表"""
-        model = QStringListModel(self.all_items)
-        self.completer.setModel(model)
-        
-    def on_text_changed(self, text):
-        """文本改变时的处理"""
-        if self.is_filtering:
-            return
-            
-        if not text or text in ["—— 选择型号 ——"]:
-            self.reset_items()
-            # 如果获得焦点且有选项，显示下拉列表
-            if self.hasFocus() and self.count() > 0:
-                self.showPopup()
-            return
-            
-        # 模糊搜索匹配
-        filtered_items = []
-        filtered_data = []
-        for i, item in enumerate(self.all_items):
-            if text.lower() in item.lower():
-                filtered_items.append(item)
-                filtered_data.append(self.all_data[i] if i < len(self.all_data) else None)
-                
-        # 更新下拉列表
-        self.is_filtering = True
-        super().clear()
-        for i, item in enumerate(filtered_items):
-            super().addItem(item, filtered_data[i])
-        self.is_filtering = False
-        
-        # 如果有匹配项且获得焦点，显示下拉列表
-        if filtered_items and self.hasFocus():
-            self.showPopup()
     
+    def setDefaultText(self, text):
+        """设置默认文本 - 兼容方法"""
+        line_edit = self.lineEdit()
+        if line_edit:
+            line_edit.blockSignals(True)
+            line_edit.setText(text)
+            line_edit.blockSignals(False)
+            # 尝试找到匹配的项
+            index = self.findText(text)
+            if index >= 0:
+                self.setCurrentIndex(index)
+            else:
+                self.setCurrentIndex(-1)
 
 class GarmentLibraryDialog(QDialog):
     """服装库管理对话框"""
@@ -355,40 +316,12 @@ class GarmentEditDialog(QDialog):
         """加载材料列表"""
         try:
             with self.get_conn() as conn:
-                cursor = conn.execute("SELECT category, fabric_type, usage_per_piece, unit FROM garment_materials WHERE style_number = ? ORDER BY id", (self.style_number,))
+                cursor = conn.execute("SELECT category, fabric_type, model, usage_per_piece, unit FROM garment_materials WHERE style_number = ? ORDER BY id", (self.style_number,))
-                for category, fabric_type, usage, unit in cursor.fetchall():
+                for category, fabric_type, model, usage, unit in cursor.fetchall():
-                    display_category = ""
+                    # 直接使用数据库中的三个字段
-                    display_type = ""
+                    display_category = category or ""
-                    display_model = ""
+                    display_type = fabric_type or ""
-                    
+                    display_model = model or ""
-                    # category字段可能存储型号或类目-类型组合
-                    if category:
-                        # 首先检查是否是型号（在fabrics表中查找）
-                        fabric_cursor = conn.execute("SELECT category, model FROM fabrics WHERE model = ?", (category,))
-                        fabric_row = fabric_cursor.fetchone()
-                        
-                        if fabric_row:
-                            # 是型号，从fabrics表获取类目信息
-                            fabric_category, model = fabric_row
-                            display_model = model
-                            if fabric_category and "-" in fabric_category:
-                                parts = fabric_category.split("-", 1)
-                                display_category = parts[0]
-                                display_type = parts[1]
-                            else:
-                                display_category = fabric_category or ""
-                        else:
-                            # 不是型号，按类目-类型格式解析
-                            if "-" in category:
-                                parts = category.split("-", 1)
-                                display_category = parts[0]
-                                display_type = parts[1]
-                            else:
-                                display_category = category
-                    
-                    # 如果有单独的fabric_type字段，优先使用
-                    if fabric_type:
-                        display_type = fabric_type
                     
                     self.add_material_row(display_category, display_type, usage or 0, unit or "米", display_model)
         except Exception as e:
@@ -403,37 +336,30 @@ class GarmentEditDialog(QDialog):
 
     def add_material_row(self, category="", fabric_type="", usage=0.0, unit="米", model=""):
         """添加材料行"""
+        print("add_material_row", category, fabric_type, usage, unit, model)
         row = self.material_table.rowCount()
         self.material_table.insertRow(row)
 
         # 列0: 类目下拉框
         cat_combo = QComboBox()
-        cat_combo.setEditable(True)
+        cat_combo.setEditable(False)
         # 最后添加自定义选项
         cat_combo.addItem("—— 自定义类目 ——")
         
         # 先添加所有类目选项
         try:
             with self.get_conn() as conn:
-                # 只获取纯类目（提取"-"前面的部分）
                 cursor = conn.execute("""
-                    SELECT DISTINCT 
+                    SELECT DISTINCT category
-                        CASE 
-                            WHEN category LIKE '%-%' THEN SUBSTR(category, 1, INSTR(category, '-') - 1)
-                            ELSE category
-                        END as major_category
                     FROM fabrics 
                     WHERE category IS NOT NULL AND category != '' 
-                    ORDER BY major_category
+                    ORDER BY category
                 """)
                 categories = set()
                 for cat_row in cursor.fetchall():
                     if cat_row[0] and cat_row[0].strip():
                         categories.add(cat_row[0])
                 
-                # 添加默认类目
-                categories.update(["布料", "辅料", "其他"])
-                
                 for cat in sorted(categories):
                     cat_combo.addItem(cat)
         except:
@@ -445,80 +371,63 @@ class GarmentEditDialog(QDialog):
         if category:
             cat_combo.setCurrentText(category)
         else:
-            # 如果没有指定类目，默认选择第一个实际类目而不是"自定义类目"
+            # 如果没有指定类目，默认选择"—— 自定义类目 ——"（索引0）
-            if cat_combo.count() > 1:
+            print("没有指定类目，默认选择'—— 自定义类目 ——'（索引0）")
+            print(cat_combo.count())
+            print(cat_combo.currentIndex())
+            # 打印所有选项
+            for i in range(cat_combo.count()):
+                print(cat_combo.itemText(i))
             cat_combo.setCurrentIndex(0)
 
-        cat_combo.currentTextChanged.connect(lambda text, r=row: self.on_category_changed(text, r))
         self.material_table.setCellWidget(row, 0, cat_combo)
 
         # 列1: 类型下拉框
         type_combo = QComboBox()
-        type_combo.setEditable(True)
+        type_combo.setEditable(False)
-        
+        # 最后添加选择提示
+        type_combo.addItem("—— 选择类型 ——")
         # 先添加所有类型选项
         try:
             with self.get_conn() as conn:
                 cursor = conn.execute("""
-                    SELECT DISTINCT 
+                    SELECT DISTINCT fabric_type
-                        CASE 
-                            WHEN category LIKE '%-%' THEN SUBSTR(category, INSTR(category, '-') + 1)
-                            ELSE '默认类型'
-                        END as fabric_type
                     FROM fabrics 
-                    WHERE category IS NOT NULL AND category != ''
+                    WHERE fabric_type IS NOT NULL AND fabric_type != ''
                     ORDER BY fabric_type
                 """)
                 
                 types = cursor.fetchall()
                 for type_row in types:
-                    if type_row[0] and type_row[0] != '默认类型':
+                    if type_row[0] and type_row[0].strip():
                         type_combo.addItem(type_row[0])
         except:
             pass
         
-        # 最后添加选择提示
-        type_combo.addItem("—— 选择类型 ——")
         
         if fabric_type:
             type_combo.setCurrentText(fabric_type)
         else:
-            # 如果没有指定类型，默认选择第一个实际类型而不是"选择类型"
+            # 如果没有指定类型，默认选择"—— 选择类型 ——"（索引0）
-            if type_combo.count() > 1:
+            print("没有指定类型，默认选择'—— 选择类型 ——'（索引0）")
+            print(type_combo.count())
+            print(type_combo.currentIndex())
+            # 打印所有选项
+            for i in range(type_combo.count()):
+                print(type_combo.itemText(i))
             type_combo.setCurrentIndex(0)
         
-        type_combo.currentTextChanged.connect(lambda text, r=row: self.on_type_changed(text, r))
         self.material_table.setCellWidget(row, 1, type_combo)
 
         # 列2: 型号下拉框（支持模糊搜索）
         model_combo = SearchableComboBox()
         model_combo.addItem("—— 选择型号 ——")
-        
+        # 先将下拉框添加到表格中，这样update_model_combo_range才能获取到类目和类型
-        # 初始化时加载所有型号
-        try:
-            with self.get_conn() as conn:
-                cursor = conn.execute("""
-                    SELECT DISTINCT model, color, unit 
-                    FROM fabrics 
-                    ORDER BY model
-                """)
-                models = cursor.fetchall()
-                for model_row in models:
-                    model, color, unit = model_row
-                    # 显示格式：型号-颜色（如果有颜色的话）
-                    display_text = model
-                    if color and color.strip():
-                        display_text = f"{model}-{color}"
-                    model_combo.addItem(display_text, model)
-        except Exception as e:
-            pass
-        
-        # 确保默认选中第一项（"—— 选择型号 ——"）
-        model_combo.setCurrentIndex(0)
-            
-        model_combo.currentTextChanged.connect(lambda text, r=row: self.on_model_selected(text, r))
         self.material_table.setCellWidget(row, 2, model_combo)
         
+        # 初始化时根据类目和类型加载对应的型号
+        self.update_model_combo_range(model_combo, row)
+
         # 列3: 单件用量
         usage_spin = QDoubleSpinBox()
         usage_spin.setRange(0, 1000)
@@ -539,38 +448,121 @@ class GarmentEditDialog(QDialog):
         self.material_table.setCellWidget(row, 5, del_btn)
 
         # 初始化类型和型号选项
-        self.on_category_changed(cat_combo.currentText(), row)
+        # self.on_category_changed(cat_combo.currentText(), row)
         
         # 如果没有选择具体类目，初始化时显示全部型号
-        if cat_combo.currentText() == "—— 自定义类目 ——":
+        # if cat_combo.currentText() == "—— 自定义类目 ——":
-            self.on_type_changed("—— 选择类型 ——", row)
+        #     self.on_type_changed("—— 选择类型 ——", row)
         
         # 如果有指定的型号，需要在初始化完成后设置
-        if model:
+        # if model:
-            # 先设置类型（如果有的话）
+        #     # 先设置类型（如果有的话）
-            if fabric_type:
+        #     if fabric_type:
-                type_combo.setCurrentText(fabric_type)
+        #         type_combo.setCurrentText(fabric_type)
-                self.on_type_changed(fabric_type, row)
+        #         self.on_type_changed(fabric_type, row)
             
-            # 然后设置型号 - 使用SearchableComboBox的setCurrentText方法
+        #     # 然后设置型号
-            model_combo = self.material_table.cellWidget(row, 2)
+        #     model_combo = self.material_table.cellWidget(row, 2)
+        #     if model_combo:
+        #         # 确保型号在选项列表中
+        #         found = False
+        #         for i in range(model_combo.count()):
+        #             item_data = model_combo.itemData(i)
+        #             item_text = model_combo.itemText(i)
+        #             if item_data == model or item_text == model:
+        #                 model_combo.setCurrentIndex(i)
+        #                 found = True
+        #                 break
+        cat_combo.currentTextChanged.connect(lambda text, r=row: self.on_category_changed(text, r))
+        type_combo.currentTextChanged.connect(lambda text, r=row: self.on_type_changed(text, r))
+        # 当用户真正选择了某个型号（包括通过模糊搜索补全选择），再联动类目和类型
+        model_combo.activated[str].connect(lambda text, r=row: self.on_model_selected(text, r))
+    def update_model_combo_range(self, model_combo, row):
+        print("update_model_combo_range", model_combo, row)
+        """更新型号下拉框的搜索范围"""
+        cat_combo = self.material_table.cellWidget(row, 0)
+        type_combo = self.material_table.cellWidget(row, 1)
+        
+        category_text = cat_combo.currentText() if cat_combo else ""
+        type_text = type_combo.currentText() if type_combo else ""
+        
+        # 阻止信号防止触发on_model_selected
+        model_combo.blockSignals(True)
+        line_edit = model_combo.lineEdit()
+        if line_edit:
+            line_edit.blockSignals(True)
+        
+        try:
+            with self.get_conn() as conn:
+                # 根据类目和类型构建查询条件
+                if category_text and category_text != "—— 自定义类目 ——" and type_text and type_text != "—— 选择类型 ——":
+                    # 同时根据类目和类型过滤
+                    cursor = conn.execute("""
+                        SELECT DISTINCT model, color, unit 
+                        FROM fabrics 
+                        WHERE category = ? AND fabric_type = ?
+                        ORDER BY model
+                    """, (category_text, type_text))
+                elif category_text and category_text != "—— 自定义类目 ——":
+                    # 只根据类目过滤
+                    cursor = conn.execute("""
+                        SELECT DISTINCT model, color, unit 
+                        FROM fabrics 
+                        WHERE category = ?
+                        ORDER BY model
+                    """, (category_text,))
+                elif type_text and type_text != "—— 选择类型 ——":
+                    # 只根据类型过滤
+                    cursor = conn.execute("""
+                        SELECT DISTINCT model, color, unit 
+                        FROM fabrics 
+                        WHERE fabric_type = ?
+                        ORDER BY model
+                    """, (type_text,))
+                else:
+                    # 显示所有型号
+                    cursor = conn.execute("""
+                        SELECT DISTINCT model, color, unit 
+                        FROM fabrics 
+                        ORDER BY model
+                    """)
+                
+                # 保存当前用户输入的文本（如果有）
+                current_text = line_edit.text() if line_edit else ""
+                cursor_position = line_edit.cursorPosition() if line_edit else 0
+                print("current_text", current_text)
+                print("cursor_position", cursor_position)
+                # 清空并重新填充型号下拉框
+                model_combo.clear()
+                models = cursor.fetchall()
+                for model_row in models:
+                    model, color, unit = model_row
+                    # 显示格式：型号-颜色（如果有颜色的话）
+                    display_text = model
+                    if color and color.strip():
+                        display_text = f"{model}-{color}"
+                    model_combo.addItem(display_text, model)
+                
+                # 恢复用户输入的文本，如果没有输入则设置默认文本
+                if line_edit:
+                    if current_text and current_text != "—— 选择型号 ——":
+                        line_edit.setText(current_text)
+                        line_edit.setCursorPosition(cursor_position)
+                    else:
                         if isinstance(model_combo, SearchableComboBox):
-                # 确保型号在选项列表中
+                            model_combo.setDefaultText("—— 选择型号 ——")
-                found = False
+                        else:
-                for i in range(model_combo.count()):
+                            model_combo.setCurrentIndex(0)
-                    item_data = model_combo.itemData(i)
+        except Exception as e:
-                    item_text = model_combo.itemText(i)
+            pass
-                    if item_data == model or item_text == model:
+        finally:
-                        model_combo.setCurrentIndex(i)
+            if line_edit:
-                        found = True
+                line_edit.blockSignals(False)
-                        break
+            model_combo.blockSignals(False)
-                
-                # 如果没找到，直接设置文本（SearchableComboBox支持）
-                if not found:
-                    model_combo.setCurrentText(model)
 
     def on_category_changed(self, category_text, row):
         """当类目改变时，更新类型下拉框"""
+        print("on_category_changed", category_text, row)
         type_combo = self.material_table.cellWidget(row, 1)
         model_combo = self.material_table.cellWidget(row, 2)
         
@@ -578,144 +570,130 @@ class GarmentEditDialog(QDialog):
         type_combo.clear()
         type_combo.addItem("—— 选择类型 ——")
         
-        # 重新初始化型号下拉框，显示所有型号
-        model_combo.clear()
-        model_combo.addItem("—— 选择型号 ——")
-        
         try:
             with self.get_conn() as conn:
                 # 加载所有类型
+                if category_text and category_text != "—— 自定义类目 ——":
+                    # 如果选择了具体类目，则过滤
                     cursor = conn.execute("""
-                    SELECT DISTINCT 
+                        SELECT DISTINCT fabric_type
-                        CASE 
-                            WHEN category LIKE '%-%' THEN SUBSTR(category, INSTR(category, '-') + 1)
-                            ELSE '默认类型'
-                        END as fabric_type
                         FROM fabrics 
-                    WHERE category IS NOT NULL AND category != ''
+                        WHERE category = ? AND fabric_type IS NOT NULL AND fabric_type != ''
+                        ORDER BY fabric_type
+                    """, (category_text,))
+                else:
+                    # 加载所有类型
+                    cursor = conn.execute("""
+                        SELECT DISTINCT fabric_type
+                        FROM fabrics 
+                        WHERE fabric_type IS NOT NULL AND fabric_type != ''
                         ORDER BY fabric_type
                     """)
                 
-                # 如果选择了具体类目，则过滤
-                if category_text and category_text != "—— 自定义类目 ——":
-                    cursor = conn.execute("""
-                        SELECT DISTINCT 
-                            CASE 
-                                WHEN category LIKE '%-%' THEN SUBSTR(category, INSTR(category, '-') + 1)
-                                ELSE '默认类型'
-                            END as fabric_type
-                        FROM fabrics 
-                        WHERE category LIKE ? OR category = ?
-                        ORDER BY fabric_type
-                    """, (f"{category_text}-%", category_text))
-                
                 types = cursor.fetchall()
                 for type_row in types:
-                    if type_row[0] and type_row[0] != '默认类型':
+                    if type_row[0] and type_row[0].strip():
                         type_combo.addItem(type_row[0])
                         
                 # 连接类型改变事件
                 type_combo.currentTextChanged.connect(lambda text, r=row: self.on_type_changed(text, r))
                 
-                # 加载所有型号到型号下拉框
+                # 更新型号下拉框的搜索范围
-                cursor = conn.execute("""
+                self.update_model_combo_range(model_combo, row)
-                    SELECT DISTINCT model, color, unit 
-                    FROM fabrics 
-                    ORDER BY model
-                """)
-                models = cursor.fetchall()
-                for model_row in models:
-                    model, color, unit = model_row
-                    # 显示格式：型号-颜色（如果有颜色的话）
-                    display_text = model
-                    if color and color.strip():
-                        display_text = f"{model}-{color}"
-                    model_combo.addItem(display_text, model)
-                
-                # 确保默认选中第一项（"—— 选择型号 ——"）
-                model_combo.setCurrentIndex(0)
         except Exception as e:
             pass
 
     def on_type_changed(self, type_text, row):
-        """当类型改变时，更新型号下拉框"""
+        """当类型改变时，更新类目和型号下拉框"""
+        print("on_type_changed", type_text, row)
         cat_combo = self.material_table.cellWidget(row, 0)
         model_combo = self.material_table.cellWidget(row, 2)
         
-        # 重新初始化型号下拉框，显示所有型号
+        if not model_combo:
-        if hasattr(model_combo, 'clear'):
+            return
-            model_combo.clear()
-        model_combo.addItem("—— 选择型号 ——")
         
-        # 始终显示所有型号，不进行过滤
+        # 如果选择了具体类型，自动选中该类型对应的类目
+        if cat_combo and type_text and type_text != "—— 选择类型 ——":
             try:
                 with self.get_conn() as conn:
+                    # 查询该类型对应的类目
                     cursor = conn.execute("""
-                    SELECT DISTINCT model, color, unit 
+                        SELECT DISTINCT category
                         FROM fabrics 
-                    ORDER BY model
+                        WHERE fabric_type = ? AND category IS NOT NULL AND category != ''
-                """)
+                        ORDER BY category
-                models = cursor.fetchall()
+                        LIMIT 1
-                for model_row in models:
+                    """, (type_text,))
-                    model, color, unit = model_row
+                    row_db = cursor.fetchone()
-                    # 显示格式：型号-颜色（如果有颜色的话）
+                    if row_db and row_db[0]:
-                    display_text = model
+                        category = row_db[0].strip()
-                    if color and color.strip():
+                        # 在类目下拉框中查找并选中该类目
-                        display_text = f"{model}-{color}"
+                        index = cat_combo.findText(category)
-                    model_combo.addItem(display_text, model)
+                        if index >= 0:
-                
+                            cat_combo.blockSignals(True)
-                # 确保默认选中第一项（"—— 选择型号 ——"）
+                            cat_combo.setCurrentIndex(index)
-                model_combo.setCurrentIndex(0)
+                            cat_combo.blockSignals(False)
             except Exception as e:
                 pass
         
+        # 更新型号下拉框的搜索范围
+        self.update_model_combo_range(model_combo, row)
+
     def on_model_selected(self, model_text, row):
         """当型号选择时，自动设置单位并填充类目和类型"""
-        if not model_text or model_text == "—— 选择型号 ——":
+        print("on_model_selected", model_text, row)
-            return
+        # 先获取所有需要的控件
-            
         cat_combo = self.material_table.cellWidget(row, 0)
         type_combo = self.material_table.cellWidget(row, 1)
         model_combo = self.material_table.cellWidget(row, 2)
         unit_combo = self.material_table.cellWidget(row, 4)
         
-        # 获取选中项的数据
+        if not model_text or model_text == "—— 选择型号 ——":
-        current_index = model_combo.currentIndex()
+            # 空选择，不做联动
-        if current_index > 0:
+            return
-            model = model_combo.itemData(current_index)
+
-            if model:
+        # 从显示文本中解析真实型号（例如 "M001-红" -> "M001"）
+        display_text = model_text.strip()
+        base_model = display_text.split("-", 1)[0] if "-" in display_text else display_text
+
         try:
             with self.get_conn() as conn:
-                        cursor = conn.execute("SELECT category, unit FROM fabrics WHERE model = ?", (model,))
+                cursor = conn.execute(
+                    "SELECT category, fabric_type, unit FROM fabrics WHERE model = ?",
+                    (base_model,)
+                )
                 row_db = cursor.fetchone()
                 if row_db:
-                            category, unit = row_db
+                    category, fabric_type, unit = row_db
 
                     # 自动填充单位
                     if unit:
                         unit_combo.setCurrentText(unit)
 
-                            # 自动填充类目和类型
+                    # 自动填充类目和类型，阻止信号以避免触发默认更新逻辑
                     if category:
-                                # 解析类目信息，可能是"类目-类型"格式或单独的类目
+                        # 阻止类目、类型和型号的信号，避免触发默认更新逻辑
-                                if '-' in category:
+                        cat_combo.blockSignals(True)
-                                    parts = category.split('-', 1)
+                        type_combo.blockSignals(True)
-                                    cat_text = parts[0]
+                        model_combo.blockSignals(True)
-                                    type_text = parts[1] if len(parts) > 1 else ""
 
                         # 设置类目
-                                    cat_combo.setCurrentText(cat_text)
+                        cat_combo.setCurrentText(category)
 
-                                    # 更新类型下拉框选项
+                        # 更新类型下拉框选项（直接调用，不会触发信号因为已经阻止了）
-                                    self.on_category_changed(cat_text, row)
+                        self.on_category_changed(category, row)
+
+                        # 重新阻止信号（因为on_category_changed内部可能恢复了信号）
+                        model_combo.blockSignals(True)
 
                         # 设置类型
-                                    if type_text:
+                        if fabric_type:
-                                        type_combo.setCurrentText(type_text)
+                            type_combo.setCurrentText(fabric_type)
-                                else:
+
-                                    # 只有类目，没有类型
+                        # 恢复信号
-                                    cat_combo.setCurrentText(category)
+                        cat_combo.blockSignals(False)
-                                    self.on_category_changed(category, row)
+                        type_combo.blockSignals(False)
+                        model_combo.blockSignals(False)
         except:
             pass
 
@@ -764,11 +742,9 @@ class GarmentEditDialog(QDialog):
                     usage = usage_widget.value()
                     unit = unit_widget.currentText().strip() or "米"
 
-                    # 分别存储类目、类型和型号信息
+                    # 分别存储类目、类型和型号到对应字段
-                    material_identifier = final_model if final_model else (f"{category}-{fabric_type}" if fabric_type else category)
+                    conn.execute("INSERT INTO garment_materials (style_number, category, fabric_type, model, usage_per_piece, unit) VALUES (?, ?, ?, ?, ?, ?)",
-                    
+                                 (style_number, category, fabric_type, final_model, usage, unit))
-                    conn.execute("INSERT INTO garment_materials (style_number, category, fabric_type, usage_per_piece, unit) VALUES (?, ?, ?, ?, ?)",
-                                 (style_number, material_identifier, fabric_type, usage, unit))
 
                 conn.commit()
             QMessageBox.information(self, "成功", "保存完成")

main.py

@@ -335,12 +335,17 @@ class FabricManager(QMainWindow):
         text = f"款号: {style_number}\n生产件数: {qty}\n损耗率: {self.loss_input.value()}%\n\n"
         try:
             with self.get_conn() as conn:
-                cursor = conn.execute("SELECT category, fabric_type, usage_per_piece, unit FROM garment_materials WHERE style_number = ? ORDER BY id", (style_number,))
+                cursor = conn.execute("SELECT category, fabric_type, model, usage_per_piece, unit FROM garment_materials WHERE style_number = ? ORDER BY id", (style_number,))
-                for category, fabric_type, usage, unit in cursor.fetchall():
+                for category, fabric_type, model, usage, unit in cursor.fetchall():
                     if usage:
                         total = usage * qty * (1 + loss)
-                        # 显示材料名称（如果有类型则显示类目-类型，否则只显示类目）
+                        # 显示材料名称：优先显示型号，否则显示类目-类型，最后只显示类目
-                        material_name = f"{category}-{fabric_type}" if fabric_type else category
+                        if model:
+                            material_name = model
+                        elif fabric_type:
+                            material_name = f"{category}-{fabric_type}" if category else fabric_type
+                        else:
+                            material_name = category or "未命名材料"
                         text += f"{material_name}\n单件: {usage:.3f} {unit}\n总用量: {total:.3f} {unit}\n\n"
         except Exception as e:
             text += "计算失败: " + str(e)

purchase_order_dialog.py

@@ -76,17 +76,22 @@ class PurchaseOrderDialog(QDialog):
         try:
             with self.get_conn() as conn:
                 cursor = conn.execute('''
-                    SELECT category, fabric_type, usage_per_piece, unit
+                    SELECT category, fabric_type, model, usage_per_piece, unit
                     FROM garment_materials
                     WHERE style_number = ? AND usage_per_piece > 0
                     ORDER BY id
                 ''', (self.style_number,))
                 rows = cursor.fetchall()
 
-                for category, fabric_type, usage_per_piece, unit in rows:
+                for category, fabric_type, model, usage_per_piece, unit in rows:
                     total_usage = usage_per_piece * self.quantity * (1 + self.loss_rate)
-                    # 显示材料名称（如果有类型则显示类目-类型，否则只显示类目）
+                    # 显示材料名称：优先显示型号，否则显示类目-类型，最后只显示类目
-                    material_name = f"{category}-{fabric_type}" if fabric_type else category
+                    if model:
+                        material_name = model
+                    elif fabric_type:
+                        material_name = f"{category}-{fabric_type}" if category else fabric_type
+                    else:
+                        material_name = category or "未命名材料"
                     text += f"材料：{material_name}\n"
                     text += f"  单件用量：{usage_per_piece:.3f} {unit}\n"
                     text += f"  总需采购：{total_usage:.3f} {unit}\n\n"

raw_material_dialog.py

@@ -246,7 +246,7 @@ class RawMaterialLibraryDialog(QDialog):
         """加载主类目"""
         try:
             with self.get_conn() as conn:
-                cursor = conn.execute("SELECT DISTINCT CASE WHEN category LIKE '%-%' THEN SUBSTR(category, 1, INSTR(category, '-') - 1) ELSE category END FROM fabrics")
+                cursor = conn.execute("SELECT DISTINCT category FROM fabrics WHERE category IS NOT NULL AND category != ''")
                 majors = set(row[0] for row in cursor.fetchall() if row[0])
                 majors.update({"布料", "辅料", "其他"})
                 
@@ -263,7 +263,7 @@ class RawMaterialLibraryDialog(QDialog):
         """加载添加界面的主类目"""
         try:
             with self.get_conn() as conn:
-                cursor = conn.execute("SELECT DISTINCT CASE WHEN category LIKE '%-%' THEN SUBSTR(category, 1, INSTR(category, '-') - 1) ELSE category END FROM fabrics")
+                cursor = conn.execute("SELECT DISTINCT category FROM fabrics WHERE category IS NOT NULL AND category != ''")
                 majors = set(row[0] for row in cursor.fetchall() if row[0])
                 majors.update({"布料", "辅料", "其他"})
                 
@@ -292,20 +292,12 @@ class RawMaterialLibraryDialog(QDialog):
         try:
             with self.get_conn() as conn:
                 if major in ("全部类目", ""):
-                    cursor = conn.execute("SELECT DISTINCT category FROM fabrics WHERE category LIKE '%-%'")
+                    cursor = conn.execute("SELECT DISTINCT fabric_type FROM fabrics WHERE fabric_type IS NOT NULL AND fabric_type != ''")
-                    subs = set()
+                    subs = [row[0] for row in cursor.fetchall() if row[0]]
-                    for row in cursor.fetchall():
-                        cat = row[0]
-                        if '-' in cat:
-                            subs.add(cat.split('-', 1)[1])
                     self.sub_combo.addItems(sorted(subs))
                 else:
-                    cursor = conn.execute("SELECT category FROM fabrics WHERE category LIKE ? OR category = ?", (major + "-%", major))
+                    cursor = conn.execute("SELECT DISTINCT fabric_type FROM fabrics WHERE category = ? AND fabric_type IS NOT NULL AND fabric_type != ''", (major,))
-                    subs = set()
+                    subs = [row[0] for row in cursor.fetchall() if row[0]]
-                    for row in cursor.fetchall():
-                        cat = row[0]
-                        if '-' in cat:
-                            subs.add(cat.split('-', 1)[1])
                     self.sub_combo.addItems(sorted(subs))
         except:
             pass
@@ -337,7 +329,7 @@ class RawMaterialLibraryDialog(QDialog):
         """加载原料表格数据"""
         try:
             with self.get_conn() as conn:
-                query = "SELECT category, model, supplier, color, width, gsm, unit, retail_price, bulk_price FROM fabrics"
+                query = "SELECT category, fabric_type, model, supplier, color, width, gsm, unit, retail_price, bulk_price FROM fabrics"
                 params = []
                 conditions = []
 
@@ -346,11 +338,11 @@ class RawMaterialLibraryDialog(QDialog):
                 sub = self.sub_combo.currentText()
                 if major != "全部类目" and major:
                     if sub != "全部类型" and sub:
-                        conditions.append("category = ?")
+                        conditions.append("category = ? AND fabric_type = ?")
-                        params.append(major + "-" + sub)
+                        params.append(major)
+                        params.append(sub)
                     else:
-                        conditions.append("(category LIKE ? OR category = ?)")
+                        conditions.append("category = ?")
-                        params.append(major + "-%")
                         params.append(major)
 
                 # 供应商过滤
@@ -377,9 +369,9 @@ class RawMaterialLibraryDialog(QDialog):
             self.table.setRowCount(len(rows))
             self.table.clearContents()
             
-            for row_idx, (category, model, supplier, color, width, gsm, unit, retail, bulk) in enumerate(rows):
+            for row_idx, (category, fabric_type, model, supplier, color, width, gsm, unit, retail, bulk) in enumerate(rows):
-                major = category.split('-', 1)[0] if '-' in category else category
+                major = category or ""
-                sub = category.split('-', 1)[1] if '-' in category else ""
+                sub = fabric_type or ""
 
                 self.table.setItem(row_idx, 0, QTableWidgetItem(major))
                 self.table.setItem(row_idx, 1, QTableWidgetItem(sub))
@@ -433,16 +425,16 @@ class RawMaterialLibraryDialog(QDialog):
         """编辑原料"""
         try:
             with self.get_conn() as conn:
-                cursor = conn.execute("SELECT category, supplier, color, width, gsm, unit, retail_price, bulk_price FROM fabrics WHERE model = ?", (model,))
+                cursor = conn.execute("SELECT category, fabric_type, supplier, color, width, gsm, unit, retail_price, bulk_price FROM fabrics WHERE model = ?", (model,))
                 row = cursor.fetchone()
                 if not row:
                     QMessageBox.warning(self, "提示", "原料不存在或已被删除")
                     return
 
-                category, supplier, color, width, gsm, unit, retail, bulk = row
+                category, fabric_type, supplier, color, width, gsm, unit, retail, bulk = row
 
-            major = category.split('-', 1)[0] if '-' in category else category
+            major = category or ""
-            sub = category.split('-', 1)[1] if '-' in category else ""
+            sub = fabric_type or ""
 
             self.add_major_category.setCurrentText(major)
             self.add_sub_category.setText(sub)
@@ -493,10 +485,8 @@ class RawMaterialLibraryDialog(QDialog):
         if "胸杯" in sub:
             major = "辅料"
 
-        if major and sub:
+        category = major or ""
-            category = major + "-" + sub
+        fabric_type = sub or ""
-        else:
-            category = sub or major
 
         supplier = self.add_supplier.currentText().strip()
         color = self.add_color.text().strip()
@@ -506,9 +496,9 @@ class RawMaterialLibraryDialog(QDialog):
             with self.get_conn() as conn:
                 conn.execute('''
                     INSERT OR REPLACE INTO fabrics 
-                    (model, category, supplier, color, width, gsm, retail_price, bulk_price, unit, timestamp)
+                    (model, category, fabric_type, supplier, color, width, gsm, retail_price, bulk_price, unit, timestamp)
-                    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+                    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-                ''', (model, category, supplier, color,
+                ''', (model, category, fabric_type, supplier, color,
                       self.add_width.value() or None, self.add_gsm.value() or None,
                       self.add_retail.value() or None, self.add_bulk.value() or None,
                       unit, datetime.now().strftime('%Y-%m-%d %H:%M:%S')))
@@ -627,7 +617,77 @@ class RawMaterialLibraryDialog(QDialog):
 
     def clear_remaining(self, model):
         """清零剩余库存"""
-        reply = QMessageBox.question(self, "确认清零", f"确定将 {model} 的剩余量清零？\n（此操作仅逻辑清零，不删除历史记录）")
+        reply = QMessageBox.question(
-        if reply == QMessageBox.Yes:
+            self,
-            QMessageBox.information(self, "完成", f"{model} 剩余量已清零（视为全部用完）")
+            "确认清零",
+            f"确定将 {model} 的剩余量清零？"
+        )
+        if reply != QMessageBox.Yes:
+            return
+
+        try:
+            with self.get_conn() as conn:
+                # 计算当前总入库量和总消耗量
+                cursor_in = conn.execute(
+                    "SELECT COALESCE(SUM(quantity), 0) FROM fabric_stock_in WHERE model = ?",
+                    (model,)
+                )
+                total_in = cursor_in.fetchone()[0] or 0.0
+
+                cursor_out = conn.execute(
+                    "SELECT COALESCE(SUM(consume_quantity), 0) FROM fabric_consumption WHERE model = ?",
+                    (model,)
+                )
+                total_out = cursor_out.fetchone()[0] or 0.0
+
+                remaining = round(float(total_in) - float(total_out), 6)
+                if remaining <= 0:
+                    QMessageBox.information(self, "提示", f"{model} 当前没有可清零的剩余库存。")
+                    return
+
+                # 获取用于记录此次清零的单位：优先使用最近一次入库单位，其次是原料表里的单位，最后默认“米”
+                unit = "米"
+                cursor_unit = conn.execute(
+                    "SELECT unit FROM fabric_stock_in WHERE model = ? ORDER BY purchase_date DESC LIMIT 1",
+                    (model,)
+                )
+                row_unit = cursor_unit.fetchone()
+                if row_unit and row_unit[0]:
+                    unit = row_unit[0]
+                else:
+                    cursor_fabric = conn.execute(
+                        "SELECT unit FROM fabrics WHERE model = ?",
+                        (model,)
+                    )
+                    row_fabric = cursor_fabric.fetchone()
+                    if row_fabric and row_fabric[0]:
+                        unit = row_fabric[0]
+
+                # 以一条“清零”消耗记录的方式写入fabric_consumption
+                conn.execute(
+                    """
+                    INSERT INTO fabric_consumption
+                    (style_number, model, single_usage, quantity_made, loss_rate, consume_quantity, consume_date, unit)
+                    VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+                    """,
+                    (
+                        "库存清零",   # 特殊标记，表示这是一次手工清零操作
+                        model,
+                        None,        # 单件用量无意义，置为NULL
+                        0,           # 生产件数为0
+                        0.0,         # 损耗率0
+                        remaining,   # 一次性消耗掉当前所有剩余
+                        datetime.now().strftime('%Y-%m-%d'),
+                        unit,
+                    )
+                )
+                conn.commit()
+
+            QMessageBox.information(
+                self,
+                "完成",
+                f"{model} 剩余量 {remaining:.3f} {unit} 已清零。"
+            )
             self.load_stock_table()
+        except Exception as e:
+            QMessageBox.critical(self, "错误", f"清零失败: {str(e)}")