html select通过selected属性设置默认选中项,代码如下:
<select id="user">
<option value="zhangsan">张三</option>
<option value="lisi" selected = "selected">李四</option>
<option value="wangwu">王五</option>
</select>
html select通过selected属性设置默认选中项,代码如下:
<select id="user">
<option value="zhangsan">张三</option>
<option value="lisi" selected = "selected">李四</option>
<option value="wangwu">王五</option>
</select>