目录一、架构设计:MVVM模式下的审批系统二、核心实现:流程图绘制引擎1. 审批节点控件 (XAML)2. 动态画布管理器三、审批状态机实现1. 审批状态与命令管理2. 基于命令模式的审批操作四、UI与后台 完整交互示例1. 审批
What\'s the best way to prevent a dictionary attack? I\'ve thought up several implementations but they all seem to have some flaw in them: