目录树，中间搜索，下拉菜单，完善

shuishen

2021-06-11 8b483ff15d984ac88ede940ea80a50a1bee42ebb

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<div class="Progress" dojoAttachEvent="mousedown:startDrag">
    
    <div class="ProgressLoaded" dojoAttachPoint="progressLoaded"></div>
    <div class="ProgressPosition" dojoAttachPoint="progressPosition"></div>
    <div class="ProgressHandle" dojoAttachPoint="handle" dojoAttachEvent="mouseover:handleOver, mouseout:handleOut"></div>
</div>