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两级联动select刷新后其值保持不变的实现方法

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Release： 2016-06-06 20:25:17
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两级联动select刷新后，select值保持不变即点击提交按钮后，页面select中继续维持提交前的值，下面有个不错的示例，大家可以参考下

背景

还是学院和专业的关系，我需要保持点击提交按钮后，页面select中继续维持提交前的值

网上有几种办法，要么通过url跳转时候附带参数形式传回页面，或者提交时候讲select的值保存在cookie中，，提交后再把cookie中的值填回select中。

我是按照保存在cookie中的方法实现刷新后select值不变，对select设置一个onchange事件

复制代码 代码如下:



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两级联动 select刷新
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