<input type="text" id="stext" aria-controls="dyntable" class="input-xlarge" style="height: 30px" placeholder="请输入采购号" onkeydown="entersearch()">

1 //回车提交
2 function entersearch() {
3     var event = window.event || arguments.callee.caller.arguments[0];
4     if (event.keyCode == 13) {
5         $("#submit_savebutton").click();
6     }
7 }