Say I have 4 buttons and I want each one to do a different thing. I don't want a big switch statement where I do a different thing based on which button was pushed, nor do I want a separate method for each button click. Is command pattern a good way to solve this?Say I have 4 buttons and I want each one to do
阅读背景：
如何使用命令模式来降低菜单的复杂性？
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