标签：style blog http os io java ar for 2014
需求：完成一个不可以改的dropdown，（符合一定logic）在js中设value，并且提交表单时把值提交到server<script src="jquery-1.11.1.min.js"></script>
<form name="frm" method="post">
<select id="sel" name="sel">
<option value="1" >1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<input type="submit" value="submit" />
</form>
<script>
$(document).ready(function(){
$("#sel").val(2);
$("#sel").attr("readonly","readonly");
});
</script><script src="jquery-1.11.1.min.js"></script>
<form name="frm" method="post">
<select id="sel" name="sel">
<option value="1" >1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<input type="submit" value="submit" />
</form>
<script>
$(document).ready(function(){
$("#sel").val(2);
$("#sel").attr("disabled","disabled");
});
</script>
$(document).ready(function(){
$("#sel").closest("form").submit(function () {
$("#sel").removeAttr("disabled");
});
$("#sel").val(2);
$("#sel").attr("disabled","disabled");
});
标签：style blog http os io java ar for 2014
原文地址：http://blog.csdn.net/lan_liang/article/details/39154009
