加了<result name="input">/users/Users_login.jsp</result>这句话之后再页面上显示不出来错误信息
2016-03-12
照着老师打的 却出现了空指针异常
Struts Problem Report
Struts has detected an unhandled exception:
Messages:
File: zzs/bysj/action/UsersAction.java
Line number: 50
指定了新增的validate里面的的验证密码那一行有空指针异常
Struts Problem Report
Struts has detected an unhandled exception:
Messages:
File: zzs/bysj/action/UsersAction.java
Line number: 50
指定了新增的validate里面的的验证密码那一行有空指针异常
2016-03-10
需要在struts.xml action中加<result name="input">/users/Users_login.jsp</result>
2016-03-09