$(function () {$("#btn").click(function () {var usercode = $("#UserCode").val();var verifycode = $("#Verifycode").val();if ($.trim(usercode) == "" || $.trim(verifycode) == "") {alert(" 您的[客户号]或者[验证码]必须填写!");return false;}else {document.SearchForm.action = "/index/Search?u=" + usercode;document.SearchForm.submit();}});});<form id="SearchForm" name="SearchForm" method="post"> ……</form>好处是:既想使用post提交表单,又想传递你想传递的某一个参数!