<form action="user.action" method="get">
name<input type="text" name="username"/><br />
pass<input type="password" name="pass" /><br />
check<input type="password" name="check"><br />
<input type="submit" value="submit">
</form>

在Action里是用User user

@Override
public String execute() throws Exception {

user.setUsername(user.getUsername());
user.setPassword(user.getPassword());

return "success";
}

然后报空指针异常

处理:

在表单改为

name<input type="text" name="user.username"/><br />
pass<input type="password" name="user.pass" /><br />

posted on 2013-08-06 22:24  xxyyjj  阅读(110)  评论(0编辑  收藏  举报