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barcode_generator/barcode_generator.py

+3-20
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
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import tkinter as tk
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from tkinter import filedialog, messagebox
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from tkinter import messagebox
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from PIL import Image, ImageTk
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import barcode
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from barcode.writer import ImageWriter
@@ -16,23 +16,18 @@ def __init__(self, root):
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# 输入标签和文本框
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self.label = tk.Label(root, text="请输入条形码数据(数字):")
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self.label.pack(pady=10)
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self.entry = tk.Entry(root, width=40)
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self.entry.pack(pady=5)
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# 生成按钮
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self.generate_button = tk.Button(root, text="生成条形码", command=self.generate_barcode)
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self.generate_button.pack(pady=10)
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# 用于显示条形码的标签
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self.barcode_label = tk.Label(root)
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self.barcode_label.pack(pady=10)
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# 初始化条形码图像为None
@@ -49,7 +44,6 @@ def generate_barcode(self):
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if not data:
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messagebox.showerror("错误", "请输入条形码数据!")
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return
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# 尝试生成条形码
@@ -59,17 +53,14 @@ def generate_barcode(self):
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# 这里我们使用ean13作为示例,但你可以根据需要更改
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EAN = barcode.get_barcode_class('ean13')
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ean = EAN(data, writer=ImageWriter())
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# 保存条形码到内存中的字节流
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from io import BytesIO
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buffer = BytesIO()
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ean.save(buffer, format='PNG')
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buffer.seek(0)
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# 将字节流转换为PIL图像
@@ -83,21 +74,14 @@ def generate_barcode(self):
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# 更新条形码标签以显示新图像
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self.barcode_label.config(image=tk_image)
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self.barcode_label.image = tk_image # 保持对图像的引用
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# 可选:提供保存条形码的选项
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# save_path = filedialog.asksaveasfilename(defaultextension=".png", filetypes=[("PNG files", "*.png")])
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# if save_path:
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# self.barcode_image.save(save_path)
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# messagebox.showinfo("成功", f"条形码已保存到 {save_path}")
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except barcode.writer.WriterException as e:
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messagebox.showerror("条形码生成失败", f"错误: {e}")
@@ -109,7 +93,6 @@ def generate_barcode(self):
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if __name__ == "__main__":
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root = tk.Tk()
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app = BarcodeGeneratorApp(root)
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root.mainloop()
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root.mainloop()
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