date 常用命令参数： date -Ihours （或者seconds，ns） date +%F%t%T (%F显示年月日，%T显示时间http://www.devze.com，%t表示tab占位符)常用的快捷格式就是 %F 和 %T
I have several \'select\' elements on the page. When I choose some ofoptions, the ajax request is being sent to server and the element adjacent to this \'select\' must be updated with response value.
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