批量删除和ajax提交

function DeleteTblUser() {

    if (confirm("确定要删除吗？") == true) {

       var userValue = "";

       $("input[name='check']").each(function(i) {

           if ($(this).attr("checked") == true) {

              userValue += $(this).val() + "@";

           }

       });

       if (userValue == "" && userValue == null) {

           alert("请至少选择一项删除！");

           return false;

       } else {

           //去除最后一个@

           userValue = userValue.substring(0, userValue.length - 1);

           //ajax提交

           $.ajax( {

              type : "POST",

              url : 'queryAction!deleteUser.action',

              data : "userID=" + userValue,

              beforeSend : function(XMLHttpRequest) {

                  $("#del")[0].value = '正在删除...';

              },

              success : function(msg) {

                  furl = 'queryAction!query.action';

                  window.location.href = furl;

              }

           });

       }

    } else {

       return false;

    }

 

}