目录前言要求执行语句注意javascript小结前言 最近，整理数据库数据，看到好多表都有加create_time和 update_time字段，来记录数据插入的时间和更新时间，但是时间插入是通过代码来维护的。代码维护，也未尝不可，只
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.
加载中,请稍侯......