JSP中JavaScript校验用户名等重复

$(function () {
            $("#unitFrom").validate({
                errorClass:"errorInfo", //默认为错误的样式类为：error
                errorElement:"em",
                focusInvalid: false, //当为false时，验证无效时，没有焦点响应
                onkeyup: false,
                submitHandler: function(form){   //表单提交句柄,为一回调函数，带一个参数：form
                    form.submit();   //提交表单
                },
                rules:{
                    "model.unitId":{
                        required:true,
                        remote: {
                            type: "post",   //数据发送方式
                            url: "<%=path %>/biz/Unit_checkUnitId.action",
                            data: {
                                "model.unitId": function() {
                                    return $("#unitId").val();
                                }
                            },
                            dataType: "html",
                            dataFilter: function(data, type) {
                                if (data == "true"){
                                    return true;
                                }else{
                                    return false;
                                }
                            }
                        },
                        rangelength:[1,100]
                    },
                    "model.unitName":{
                        required:true,
                    },
                    "model.unitPerson":{
                        required:true
                    }
                },
                messages:{
                    "model.unitId":{
                        required:"请输入教研室编号",
                        remote:"该教研室编号已经存在"
                    },
                    "model.unitName":{
                        required:"请输入教研室名称",
                        remote:"该教研室名称已经存在"
                    }
                }
            });
        });

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转载于:https://www.cnblogs.com/HuangJie-sol/p/10546175.html