122 lines
4.8 KiB
Python
122 lines
4.8 KiB
Python
"""
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采购单生成模块 - 处理采购单的生成和导出
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"""
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from datetime import datetime
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from PyQt5.QtWidgets import (
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QDialog, QVBoxLayout, QHBoxLayout, QLabel, QPushButton,
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QTextEdit, QMessageBox, QFileDialog, QApplication
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)
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from PyQt5.QtGui import QFont
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from database import get_db_connection
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class PurchaseOrderDialog(QDialog):
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"""采购单生成对话框"""
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def __init__(self, db_path, style_number, quantity, loss_rate):
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super().__init__()
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self.db_path = db_path
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self.style_number = style_number
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self.quantity = quantity
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self.loss_rate = loss_rate
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self.setWindowTitle(f"生成采购单 - {style_number}")
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self.resize(900, 700)
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self.setup_ui()
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self.generate_po_text()
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def setup_ui(self):
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"""设置用户界面"""
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layout = QVBoxLayout(self)
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# 信息标签
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info_label = QLabel(
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f"<b>款号：</b>{self.style_number}<br>"
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f"<b>生产件数：</b>{self.quantity} 件<br>"
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f"<b>损耗率：</b>{self.loss_rate*100:.1f}%"
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)
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info_label.setStyleSheet("font-size: 14px; padding: 10px; background-color: #e8f5e9; border-radius: 8px;")
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layout.addWidget(info_label)
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# 采购单内容显示
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self.po_text = QTextEdit()
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self.po_text.setReadOnly(True)
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self.po_text.setFont(QFont("Microsoft YaHei", 12))
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layout.addWidget(self.po_text)
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# 按钮区域
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btn_layout = QHBoxLayout()
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copy_btn = QPushButton("复制到剪贴板")
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copy_btn.clicked.connect(self.copy_to_clipboard)
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copy_btn.setStyleSheet("background-color: #2196f3; color: white; padding: 10px; font-weight: bold;")
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btn_layout.addWidget(copy_btn)
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save_btn = QPushButton("保存为TXT文件")
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save_btn.clicked.connect(self.save_to_file)
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save_btn.setStyleSheet("background-color: #ff9800; color: white; padding: 10px; font-weight: bold;")
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btn_layout.addWidget(save_btn)
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layout.addLayout(btn_layout)
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def get_conn(self):
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"""获取数据库连接"""
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return get_db_connection(self.db_path)
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def generate_po_text(self):
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"""生成采购单文本"""
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text = f"【采购单】\n"
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text += f"款号：{self.style_number}\n"
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text += f"生产数量：{self.quantity} 件\n"
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text += f"损耗率：{self.loss_rate*100:.1f}%\n"
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text += f"生成日期：{datetime.now().strftime('%Y-%m-%d %H:%M')}\n"
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text += "="*50 + "\n\n"
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try:
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with self.get_conn() as conn:
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cursor = conn.execute('''
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SELECT category, fabric_type, model, usage_per_piece, unit
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FROM garment_materials
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WHERE style_number = ? AND usage_per_piece > 0
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ORDER BY id
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''', (self.style_number,))
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rows = cursor.fetchall()
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for category, fabric_type, model, usage_per_piece, unit in rows:
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total_usage = usage_per_piece * self.quantity * (1 + self.loss_rate)
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# 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
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if model:
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material_name = model
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elif fabric_type:
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material_name = f"{category}-{fabric_type}" if category else fabric_type
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else:
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material_name = category or "未命名材料"
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text += f"材料：{material_name}\n"
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text += f" 单件用量：{usage_per_piece:.3f} {unit}\n"
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text += f" 总需采购：{total_usage:.3f} {unit}\n\n"
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if not rows:
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text += "该款号暂无材料用量记录。\n"
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except Exception as e:
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text += f"加载失败：{str(e)}"
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self.po_text.setPlainText(text)
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def copy_to_clipboard(self):
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"""复制到剪贴板"""
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QApplication.clipboard().setText(self.po_text.toPlainText())
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QMessageBox.information(self, "成功", "采购单内容已复制到剪贴板！")
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def save_to_file(self):
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"""保存为文件"""
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default_name = f"采购单_{self.style_number}_{self.quantity}件_{datetime.now().strftime('%Y%m%d')}.txt"
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file_path, _ = QFileDialog.getSaveFileName(self, "保存采购单", default_name, "Text Files (*.txt)")
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if file_path:
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try:
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with open(file_path, "w", encoding="utf-8") as f:
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f.write(self.po_text.toPlainText())
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QMessageBox.information(self, "成功", f"采购单已保存至：\n{file_path}")
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except Exception as e:
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QMessageBox.critical(self, "错误", "保存失败: " + str(e)) |