目录树，中间搜索，下拉菜单，完善

shuishen

2021-06-11 8b483ff15d984ac88ede940ea80a50a1bee42ebb

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//>>built
define({buttonOk:"\u786e\u5b9a",buttonCancel:"\u53d6\u6d88",buttonSave:"\u4fdd\u5b58",itemClose:"\u5173\u95ed"});