java插入mysql日期字段错误解决方法代码片段

Data truncation: Incorrect date value: '' for column 'insertdate' at row 1

    *userinfo.setInsertdate(new Date());*

        DateFormat df=new SimpleDateFormat("yyyy-MM-dd");
        Date date= df.parse("2017-11-29");
        userinfo.setInsertdate(date)