Jquery validate 远程验证

 $("#inputForm").validate({
                rules: {
                    tableName: {
                        required: true,              //是否必填
                        maxlength: 15,               //长度限制
                        remote: {
                            url:url,                   //验证地址
                            type: "get",               //数据发送方式
                            dataType: "json",           //接受数据格式
                            data: {                     //要传递的数据
                            }
                        }
                    }
                },
                messages: {
                    tableName: {
                        required: "请输入表名前缀",
                        maxlength: "字符长度超过15个",
                        remote: "表名前缀已存在，请从新输入"
                    }
                }, submitHandler: function (form) {
                    loading('正在提交，请稍等...');
                    form.submit();
                },
                errorContainer: "#messageBox",
                errorPlacement: function (error, element) {
                    $("#messageBox").text("输入有误，请先更正。");
                    if (element.is(":checkbox") || element.is(":radio") || element.parent().is(".input-append")) {
                        error.appendTo(element.parent().parent());
                    } else {
                        error.insertAfter(element);
                    }
                }

            });