form.validate

 if(data.workflowNodeAttributes.required){
                    var rules = {}, messages ={};
                    $.each(data.workflowNodeAttributes.required.split(","), this.proxy(function(k,v){
                        if(v === "aCheck"){
                            this._requiredProfessions = true;
                        }
                        else if(this[v]){                        
                            var $label = $("[data-field=" + v + "]"); 
                            rules[v] = { required: true };
                            messages[v] = { required: "该项不能为空" };
                            if(v === "startDate" || v === "endDate"){
                                rules[v] = {
                                    required: true,
                                    date: true,
                                    dateISO: true
                                };
                                messages[v] = {
                                    required: "该项不能为空",
                                    date: "无效日期",
                                    dateISO: "无效日期"
                                }
                                if(v === "endDate"){
                                    rules[v]["compareDate"] = "#" + this._id + "-startDate";
                                    messages[v]["compareDate"] = "结束日期必须大于开始日期";
                                }
                                $label = $("[data-field=startEndDate]");
                            }
                            if($label.children("span.text-danger").length < 1){
                                $("<span class='text-danger'>*</span>").appendTo($label);
                            }
                        }
                    }));
                    this.form.validate({
                        rules: rules,
                        messages: messages,
                        errorClass: "text-danger",
                        errorElement:"div"
                    });
                }