Controller
package com.gakki.demo.controller;
import com.gakki.demo.pojo.LocalAuth;
import com.gakki.demo.pojo.PersonInfo;
import com.gakki.demo.service.LocalAuthService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpSession;
import java.text.SimpleDateFormat;
import java.util.Date;
@Controller
public class LocalAuthController {
//声明业务层对象
@Autowired
private LocalAuthService localAuthService;
/**注册本地用户 第一步.*/
@RequestMapping("/registerUser1")
public String registerUser1(PersonInfo personInfo, HttpSession session) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
Date nowTime = new Date();
personInfo.setCreateTime(nowTime);
PersonInfo person = this.localAuthService.addPerson(personInfo);
if (person != null) {
Long userId = person.getUserId();
session.setAttribute("userId", userId);
return "redirect:register2";
}
session.setAttribute("msg", "注册失败");
return "redirect:/error";
}
/**注册本地用户 第二步.*/
@RequestMapping("/registerUser2")
public String registerUser2(LocalAuth localAuth, Model model) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
Date nowTime = new Date();
localAuth.setCreateTime(nowTime);
//调用业务层对象完成注册操作
int i = this.localAuthService.addUser(localAuth);
if (i > 0) {
return "redirect:login";
}
model.addAttribute("msg", "用户不存在");
return "error";
}
/**本地用户登录.*/
}实体PersonInfo
package com.gakki.demo.pojo;
import java.io.Serializable;
import java.util.Date;
/**
* 用户个人信息.
*/
public class PersonInfo implements Serializable {
private static final long serialVersionUID = 8367813726677279369L;
private Long userId; //用户ID
private String userName; //名称
// private String profileImg; //头像地址
private String email; //邮箱
private String gender; //性别
private Integer enableStatus; //用户状态
private Integer userType; //1.顾客 2.店家 3.超级管理员
private Date createTime; //创建时间
private Date lastEditTime; //更新时间
@Override
public String toString() {
return "PersonInfo{" +
"userId=" + userId +
", userName='" + userName + '\'' +
", email='" + email + '\'' +
", gender='" + gender + '\'' +
", enableStatus=" + enableStatus +
", userType=" + userType +
", createTime=" + createTime +
", lastEditTime=" + lastEditTime +
'}';
}
public Long getUserId() {
return userId;
}
public void setUserId(Long userId) {
this.userId = userId;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
public Integer getEnableStatus() {
return enableStatus;
}
public void setEnableStatus(Integer enableStatus) {
this.enableStatus = enableStatus;
}
public Integer getUserType() {
return userType;
}
public void setUserType(Integer userType) {
this.userType = userType;
}
public Date getCreateTime() {
return createTime;
}
public void setCreateTime(Date createTime) {
this.createTime = createTime;
}
public Date getLastEditTime() {
return lastEditTime;
}
public void setLastEditTime(Date lastEditTime) {
this.lastEditTime = lastEditTime;
}
public PersonInfo() {
}
public PersonInfo(Long userId, String userName, String email, String gender, Integer enableStatus, Integer userType, Date createTime) {
this.userId = userId;
this.userName = userName;
this.email = email;
this.gender = gender;
this.enableStatus = enableStatus;
this.userType = userType;
this.createTime = createTime;
}
public PersonInfo(Long userId, String userName, String email, String gender, Integer enableStatus, Integer userType, Date createTime, Date lastEditTime) {
this.userId = userId;
this.userName = userName;
this.email = email;
this.gender = gender;
this.enableStatus = enableStatus;
this.userType = userType;
this.createTime = createTime;
this.lastEditTime = lastEditTime;
}
}实体LocalAuth
package com.gakki.demo.pojo;
import java.io.Serializable;
import java.util.Date;
/**
* 本地认证.
*/
public class LocalAuth implements Serializable {
private static final long serialVersionUID = 5271646818073814565L;
private Long localAuthId; //本地id
private String userName; //名称
private String password; //密码
private Date createTime; //创建时间
private Date lastEditTime; //更新时间
private PersonInfo userId; //用户信息表
@Override
public String toString() {
return "LoaclAuth{" +
"localAuthId=" + localAuthId +
", userName='" + userName + '\'' +
", password='" + password + '\'' +
", createTime=" + createTime +
", lastEditTime=" + lastEditTime +
", userId=" + userId +
'}';
}
public LocalAuth() {
}
public LocalAuth(Long localAuthId, String userName, String password, Date createTime, Date lastEditTime) {
this.localAuthId = localAuthId;
this.userName = userName;
this.password = password;
this.createTime = createTime;
this.lastEditTime = lastEditTime;
}
public LocalAuth(Long localAuthId, String userName, String password, Date createTime, Date lastEditTime, PersonInfo personInfo) {
this.localAuthId = localAuthId;
this.userName = userName;
this.password = password;
this.createTime = createTime;
this.lastEditTime = lastEditTime;
this.userId = personInfo;
}
public Long getLocalAuthId() {
return localAuthId;
}
public void setLocalAuthId(Long localAuthId) {
this.localAuthId = localAuthId;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public Date getCreateTime() {
return createTime;
}
public void setCreateTime(Date createTime) {
this.createTime = createTime;
}
public Date getLastEditTime() {
return lastEditTime;
}
public void setLastEditTime(Date lastEditTime) {
this.lastEditTime = lastEditTime;
}
public PersonInfo getUserId() {
return userId;
}
public void setUserId(PersonInfo userId) {
this.userId = userId;
}
}前端页面 注册1
<%--
Created by IntelliJ IDEA.
User: Administrator
Date: 2020/6/12
Time: 13:42
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h3>Gakki网站购物注册</h3>
<hr>
<form action="/registerUser1" method="post">
<p>
用户名称：<input type="text" name="userName">
</p>
<p>
邮箱：<input type="text" name="email">
</p>
<p>
性别： 男<input type="radio" name="gender" value="男" checked="checked">
女<input type="radio" name="gender" value="女">
</p>
<%--用户状态，仅管理员可以更改--%>
<p>
<input type="hidden" value="1" name="enableStatus">
</p>
<p>
角色： 顾客<input type="radio" name="userType" value="1" checked="checked">
店家<input type="radio" name="userType" value="2">
</p>
<p>
<input type="submit" value="继续">
</p>
</form>
</body>
</html>
前端页面 注册2
<%--
Created by IntelliJ IDEA.
User: Administrator
Date: 2020/6/15
Time: 19:00
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>完成注册</title>
</head>
<body>
<form action="/registerUser2" method="post">
<p>
登录名：<input type="text" name="userName">
</p>
<p>
密码：<input type="password" name="password">
</p>
<p>
<input type="hidden" name="userId" value="${userId}">
</p>
<p>
<input type="submit" value="注册">
</p>
</form>
</body>
</html>问题：注册一 成功（数据库也插入了数据）后跳转注册2 这里提交表单报错。
o.s.w.s.m.support.DefaultHandlerExceptionResolver - Resolved [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 1 errors
Field error in object 'localAuth' on field 'userId': rejected value [19]; codes [typeMismatch.localAuth.userId,typeMismatch.userId,typeMismatch.com.gakki.demo.pojo.PersonInfo,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [localAuth.userId,userId]; arguments []; default message [userId]]; default message [Failed to convert property value of type 'java.lang.String' to required type 'com.gakki.demo.pojo.PersonInfo' for property 'userId'; nested exception is java.lang.IllegalStateException: Cannot convert value of type 'java.lang.String' to required type 'com.gakki.demo.pojo.PersonInfo' for property 'userId': no matching editors or conversion strategy found]]
是什么原因呀？是因为表单中的userId 是String 无法转成 实体类对象属性吗？ 该如何解决呢？很急 卡了一上午了。
一直这个提示 
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