前台：
function save() {
var username = document.getElementById("username").value;
var id = document.getElementById("id").value;
var telephone = document.getElementById("telephone").value;
var address = document.getElementById("address").value;
if(!(/^1[34578]\d{9}$/.test(telephone))){
alert("手机号码有误，请重填");
return false;
}
$.ajax({
url:"UserAction_modify.do",
data:{
"username":username,
"telephone":telephone,
"id":id,
"address":address
},
type:"post",
dataType:"json",
success:function(data){
alert(data.message);
},
error:function(data){
alert(data.message);
}
});
}
后台：
public void modifypsw() throws Exception {
JSONObject json = new JSONObject();
HttpServletResponse response = ServletActionContext.getResponse();
HttpServletRequest request = ServletActionContext.getRequest();
String newpsw = request.getParameter("newpsw");
User user = userService.getEntity(id);
if(!password.equals(user.getPassword())){
json.put("message", "密码输入错误");
}else{
user.setPassword(newpsw);
userService.saveOrUpdateEntity(user);
json.put("message", "修改成功");
}
try {
response.setContentType("text/html;charset=UTF-8");
response.getWriter().print(json.toString());
} catch (IOException e) {
e.printStackTrace();
}
}