遇到的一些问题
1.利用jquery重定向和跳转
:https://blog.csdn.net/rentian1/article/details/77880828
2.报错：Cannot call sendRedirect() after the response has been committed/HTTP Status 405:
https://blog.csdn.net/theblackbeard/article/details/53355372
3.JSP实现界面的自动跳转的几种方式：
https://blog.csdn.net/marksinoberg/article/details/50445747
4.报错：can't write duplicate key in table #‘sql_XXXXX’
外键重名了
5.多线程使用同一个数据库connection的后果:
https://www.aliyun.com/jiaocheng/295485.html
6.由于外键的存在引发的一个mysql问题 Cannot change column 'id': used in a foreign key constraint:
http://www.cnblogs.com/jiqing9006/p/5019947.html
7.java.util.Date和java.sql.Date的区别和相互转化:
https://blog.csdn.net/qin_zhimou/article/details/55509769
8.Maven创建的Web项目无法使用EL表达式:
https://blog.csdn.net/yuguiyang1990/article/details/10419759
9.解决maven工程在tomcat部署后WEB-INF下没有lib目录:
https://blog.csdn.net/zhongyangjian/article/details/70170389
10.EL表达式类对象访问私有属性:
EL表达式类对象访问私有属性
11.富文本编辑器:UEditor
http://fex.baidu.com/ueditor/
12.时间格式转化时java.text.ParseException: Unparseable date: ""异常:
https://blog.csdn.net/zzq900503/article/details/11906105
13.MySQL外键 Cannot add or update a child row错误的实例解释:
https://blog.csdn.net/garcon1986/article/details/5337336
14.数据库如何给含有外键的表中插入数据？:
https://blog.csdn.net/kxx535943581/article/details/47816109（其实只是关闭了检查，最简单的方法是外键删掉，反正不会用，还不如删掉）
15.报错:The JSP specification requires that an attribute name is preceded by whitespace
https://blog.csdn.net/xinmashang/article/details/38492349
16.把js new Date转换成想要的时间 yyyy-mm-dd hh-min:
https://www.jianshu.com/p/15ffa504b877