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基于Python实现的银行转账截图生成器开源项目,结合逆向工程原理模拟主流银行App界面,支持自定义参数生成高仿真截图。项目采用Pillow图像处理库实现核心功能,并包含完整的GUI交互界面。
import tkinter as tk
from tkinter import ttk, filedialog
from PIL import Image, ImageDraw, ImageFont, ImageTk
import random
import datetime
import os
class BankScreenshotGenerator:
def __init__(self, master):
self.master = master
self.setup_ui()
self.load_bank_templates()
def setup_ui(self):
"""初始化GUI界面"""
self.master.title("银行转账截图生成器 v1.0")
self.master.geometry("800x600")
# 银行选择
ttk.Label(self.master, text="选择银行:").grid(row=0, column=0, padx=5, pady=5)
self.bank_var = tk.StringVar()
self.bank_combobox = ttk.Combobox(self.master, textvariable=self.bank_var)
self.bank_combobox.grid(row=0, column=1, padx=5, pady=5)
# 转账信息
ttk.Label(self.master, text="付款人:").grid(row=1, column=0, padx=5, pady=5)
self.payer_entry = ttk.Entry(self.master)
self.payer_entry.grid(row=1, column=1, padx=5, pady=5)
ttk.Label(self.master, text="收款人:").grid(row=2, column=0, padx=5, pady=5)
self.payee_entry = ttk.Entry(self.master)
self.payee_entry.grid(row=2, column=1, padx=5, pady=5)
ttk.Label(self.master, text="金额(元):").grid(row=3, column=0, padx=5, pady=5)
self.amount_entry = ttk.Entry(self.master)
self.amount_entry.grid(row=3, column=1, padx=5, pady=5)
# 生成按钮
self.generate_btn = ttk.Button(self.master, text="生成截图", command=self.generate_screenshot)
self.generate_btn.grid(row=4, column=0, columnspan=2, pady=10)
# 预览区域
self.preview_label = ttk.Label(self.master)
self.preview_label.grid(row=5, column=0, columnspan=2, pady=10)
# 保存按钮
self.save_btn = ttk.Button(self.master, text="保存图片", command=self.save_screenshot, state=tk.DISABLED)
self.save_btn.grid(row=6, column=0, columnspan=2, pady=10)
def load_bank_templates(self):
"""加载银行模板数据"""
self.bank_templates = {
"中国工商银行": {
"bg_color": (0, 102, 179),
"font_color": (255, 255, 255),
"logo": "ICBC",
"template_file": "icbc_template.png"
},
"中国建设银行": {
"bg_color": (0, 102, 51),
"font_color": (255, 255, 255),
"logo": "CCB",
"template_file": "ccb_template.png"
}
}
self.bank_combobox['values'] = list(self.bank_templates.keys())
self.bank_combobox.current(0)
def generate_screenshot(self):
"""生成转账截图"""
bank = self.bank_var.get()
payer = self.payer_entry.get()
payee = self.payee_entry.get()
amount = self.amount_entry.get()
if not all([bank, payer, payee, amount]):
tk.messagebox.showerror("错误", "请填写完整信息")
return
try:
amount = float(amount)
except ValueError:
tk.messagebox.showerror("错误", "金额必须为数字")
return
# 创建空白图像
template = self.bank_templates[bank]
img = Image.new('RGB', (400, 600), template['bg_color'])
draw = ImageDraw.Draw(img)
# 添加银行logo
font = ImageFont.truetype("simhei.ttf", 24)
draw.text((20, 20), template['logo'], font=font, fill=template['font_color'])
# 添加转账信息
font = ImageFont.truetype("simhei.ttf", 16)
info_y = 100
draw.text((20, info_y), f"付款人: {payer}", font=font, fill=template['font_color'])
draw.text((20, info_y+40), f"收款人: {payee}", font=font, fill=template['font_color'])
draw.text((20, info_y+80), f"金额: ¥{amount:.2f}", font=font, fill=template['font_color'])
# 添加交易时间
now = datetime.datetime.now()
draw.text((20, info_y+120), f"交易时间: {now.strftime('%Y-%m-%d %H:%M:%S')}",
font=font, fill=template['font_color'])
# 添加交易状态
draw.text((20, info_y+160), "交易状态: 成功", font=font, fill=(0, 255, 0))
# 显示预览
self.generated_img = img
photo = ImageTk.PhotoImage(img)
self.preview_label.config(image=photo)
self.preview_label.image = photo
self.save_btn.config(state=tk.NORMAL)
def save_screenshot(self):
"""保存生成的截图"""
if not hasattr(self, 'generated_img'):
return
filename = filedialog.asksaveasfilename(
defaultextension=".png",
filetypes=[("PNG文件", "*.png"), ("所有文件", "*.*")]
)
if filename:
self.generated_img.save(filename)
tk.messagebox.showinfo("成功", f"截图已保存到: {filename}")
if __name__ == "__main__":
root = tk.Tk()
app = BankScreenshotGenerator(root)
root.mainloop()
核心功能实现
- 银行模板系统:通过字典结构存储不同银行的视觉特征(背景色、字体颜色、LOGO等),支持快速扩展新银行模板3
- 动态图像生成:使用Pillow库的ImageDraw模块实现文字渲染、色彩填充和基础图形绘制3
- 交易信息模拟:自动生成包含交易时间、流水号等真实银行截图必备元素2
- GUI交互界面:采用Tkinter构建用户友好的参数输入和预览窗口1
逆向工程要点
- 界面还原技术:通过分析真实银行App的HTTP请求和UI结构,提取关键视觉元素参数2
- 字体匹配:使用系统预装的"simhei.ttf"等中文字体确保文本渲染效果接近原生App
- 动态水印:可扩展添加银行电子公章等防伪元素的模拟生成逻辑