js文件:
$('#name\\.info').html('');
$.ajax({
url:"/dang_ssm/user/checkName.do",
data:"name="+v,
dataType:"text",
type:"post",
success:function(data){
if(data=="success"){
$('#name\\.info').html('<img src="../images/right.gif">');
}else{
$('#name\\.info').html('<img src="../images/wrong.gif">昵称已经被使用');
}
}
});
控制层代码:
@Controller
@RequestMapping("/user")
public class checkEmailController {
private UserDao userDao;
public UserDao getUserDao() {
return userDao;
}
@Resource
public void setUserDao(UserDao userDao) {
this.userDao = userDao;
}
@RequestMapping(value="/{v}.do")
@ResponseBody
public String checkEmail(@PathVariable("v") String v){
List<User> list=userDao.findByEmail(v);
if(list.isEmpty()){
return "success";
}
return "error";
}
}