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用Java swing做了一个密码管理系统，如下图：最下面有一个输入框，是用于搜索的，有三种搜索方式：（1）通过Title （2）通过username （3）通过description 在下拉框中选择。现在的需求是在输入框中输入要搜索的关键字后，选择下拉框，然后直接回车就...

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