Sptingboot+Mybatis+thymeleaf的登录和

2018-04-11 本文已影响0人 employeeeee

一直在学习Springboot
从开始的建立框架，然后用假数据，然后连接数据库。
算是把前台后台简单的传值和登录写出来了
记录一下。

首先创建数据库
因为做的比较简单
所以并没有做复杂的数据库
建了一个User的数据库

create Database orm
user orm
create table orm_user（
     id integer primary key,
     username NVARCHAR(200),
      password NVARCHAR(200),
      nicknme NVARCHAR(200)
）

创建一个表之后，直接可以生成对应的dao和xml也就是没有实现类了。
用一个软件就可以直接生成了
需要配置软件的xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
    <!-- 数据库驱动包位置 -->
    <!-- <classPathEntry location="D:\software\lib\mysql-connector-java-5.1.21.jar" /> -->
    <classPathEntry location="D:\devinstall\generator\sqljdbc42.jar" />
    <context id="DB2Tables" targetRuntime="MyBatis3">
        <commentGenerator>
            <property name="suppressAllComments" value="true" />
        </commentGenerator>
        <!-- 数据库链接URL、用户名、密码 -->
        <!-- <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/sy" userId="sypro" password="sypro"> -->
        <jdbcConnection driverClass="com.microsoft.sqlserver.jdbc.SQLServerDriver" connectionURL="jdbc:sqlserver://localhost:1433;DatabaseName=orm" userId="sa" password="sqlserver">
        </jdbcConnection>
        <javaTypeResolver>
            <property name="forceBigDecimals" value="false" />
        </javaTypeResolver>
        <!-- 生成模型的包名和位置 -->
        <javaModelGenerator targetPackage="com.yun.orm.pc.user.domain" targetProject="D:\devinstall\generator\src">
            <property name="enableSubPackages" value="true" />
            <property name="trimStrings" value="true" />
        </javaModelGenerator>
        <!-- 生成的映射文件包名和位置 -->
        <sqlMapGenerator targetPackage="com.yun.orm.pc.user.dao" targetProject="D:\devinstall\generator\src">
            <property name="enableSubPackages" value="true" />
        </sqlMapGenerator>
        <!-- 生成DAO的包名和位置 -->
        <javaClientGenerator type="XMLMAPPER" targetPackage="com.yun.orm.pc.user.dao" targetProject="D:\devinstall\generator\src">
            <property name="enableSubPackages" value="true" />
        </javaClientGenerator>
        <!-- 要生成那些表(更改tableName和domainObjectName就可以) -->
        <table tableName="orm_user" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
    </context>
</generatorConfiguration>

然后cmd生成语句,直接就可以生成相应的dao类文件和实体类User文件了

java -jar mybatis-generator-core-1.3.2.jar -configfile generator.xml -overwrite

自动生成User类如下

package com.yun.orm.pc.user.domain;

/**
 * 用户
 * <p>
 * Created by 周子淏 on 2018/4/9 17:11
 */
public class User {

    /**
     * 1.主键
     */
    private Integer id;
    /**
     * 2.用户名
     */
    private String username;
    /**
     * 3.密码
     */
    private String password;
    /**
     * 4.昵称
     */
    private String nickname;

    public User(Integer id, String username, String password, String nickname) {
        this.id = id;
        this.username = username;
        this.password = password;
        this.nickname = nickname;
    }

    public User() {
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username == null ? null : username.trim();
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password == null ? null : password.trim();
    }

    public String getNickname() {
        return nickname;
    }

    public void setNickname(String nickname) {
        this.nickname = nickname == null ? null : nickname.trim();
    }

    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", username='" + username + '\'' +
                ", password='" + password + '\'' +
                ", nickname='" + nickname + '\'' +
                '}';
    }
}

然后xml中是会自动生成方法的。
但是因为要写增删改查所以方法都自己删了重写了一下。
具体的DAO类如下

package com.yun.orm.pc.user.dao;

import com.yun.orm.pc.user.domain.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;

import java.util.List;

@Mapper
@Component
public interface IUserDao {
    /**
     * 1.插入
     */
    int insert(User user);

    /**
     * 2.全部
     */
    List<User> list();

    /**
     * 3.修改
     */
    int update(User user);

    /**
     * 4.删除
     */
    int delete(User user);

    /**
     * 5.根据id查询
     */
    User getById(int id);

    /**
     * 6.登录
     */
    User loadByUsernameAndPassword(@Param("user") User user);
}

然后对应的xml如下

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.yun.orm.pc.user.dao.IUserDao">
    <resultMap id="BaseResultMap" type="com.yun.orm.pc.user.domain.User">
        <id column="id" property="id" jdbcType="INTEGER"/>
        <result column="username" property="username" jdbcType="NVARCHAR"/>
        <result column="password" property="password" jdbcType="NVARCHAR"/>
        <result column="nickname" property="nickname" jdbcType="NVARCHAR"/>
    </resultMap>


    <insert id="insert" parameterType="com.yun.orm.pc.user.domain.User">
        insert into orm_user
        (username,
         password,
         nickname)
        values (#{username,jdbcType=NVARCHAR},
                #{password,jdbcType=NVARCHAR},
                #{nickname,jdbcType=NVARCHAR})
    </insert>

    <select id="list" resultMap="BaseResultMap">
        select *
        from orm_user
    </select>

    <select id="getbyid" resultMap="BaseResultMap">
        select *
        from orm_user
        where id = #{id,jdbcType=INTEGER}
    </select>


    <select id="loadByUsernameAndPassword"  resultMap="BaseResultMap">
        select *
        from orm_user
        where username = #{user.username,jdbcType=NVARCHAR}
              and password = #{user.password,jdbcType=NVARCHAR}
    </select>


    <update id="update" parameterType="com.yun.orm.pc.user.domain.User">
        update orm_user
        set username = #{username,jdbcType=NVARCHAR},
            password = #{password,jdbcType=NVARCHAR},
            nickname = #{nickname,jdbcType=NVARCHAR}
        where id = #{id,jdbcType=INTEGER}


    </update>


    <delete id="delete" parameterType="com.yun.orm.pc.user.domain.User">
        delete from orm_user
        where id = #{id,jdbcType=INTEGER}
    </delete>

</mapper>

需要配置几个文件这是在config下的

image.png

MasterDataSourceConfig类

package com.yun.orm.config.ds;

import com.yun.orm.config.properties.MasterDataSourceProperties;
import com.yun.orm.config.utils.MyUtils;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;

import javax.annotation.Resource;
import javax.sql.DataSource;

/**
 * 主数据源配置文件
 * <p>
 * Created by 周子淏 on 2018/4/9 16:39
 */
@Configuration
// 扫描 Mapper 接口并容器管理
@MapperScan(basePackages = {MasterDataSourceConfig.PACKAGE1}, sqlSessionFactoryRef = MasterDataSourceConfig.NAME + "SqlSessionFactory")
public class MasterDataSourceConfig {
    @Resource
    private MasterDataSourceProperties masterDataSourceProperties;

    // 精确到 master 目录，以便跟其他数据源隔离
    //dao目录
    static final String PACKAGE1 = "com.yun.orm.pc.*.dao";
    //xml目录
    private static final String mapperLocation1 = "classpath:com/yun/orm/pc/*/dao/*.xml";
    private static final String[] mapperLocations = {mapperLocation1};
    //全局名字前缀
    static final String NAME = "master";

    //数据源
    @Bean(name = NAME + "DataSource")
    @Primary
    public DataSource dataSource() {
        return MyUtils.getDruidDataSource(
                masterDataSourceProperties.getDriverClassName(),
                masterDataSourceProperties.getUrl(),
                masterDataSourceProperties.getUsername(),
                masterDataSourceProperties.getPassword());
    }

    //事务管理器
    @Bean(name = NAME + "TransactionManager")
    @Primary
    public PlatformTransactionManager transactionManager() {
        return new DataSourceTransactionManager(dataSource());
    }

    //工厂
    @Bean(name = NAME + "SqlSessionFactory")
    @Primary
    public SqlSessionFactory sqlSessionFactory(@Qualifier(NAME + "DataSource") DataSource dataSource) throws Exception {
        final SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        sessionFactory.setMapperLocations(MyUtils.resolveMapperLocations(mapperLocations));
        return sessionFactory.getObject();
    }

}

MasterDataSourceProperties类

package com.yun.orm.config.properties;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

/**
 * 主数据源属性文件-本地sql server
 * <p>
 * Created by 周子淏 on 2018/4/9 16:32
 */
@Component
@ConfigurationProperties(prefix = "spring.datasource.master")
public class MasterDataSourceProperties {
    private String driverClassName;
    private String url;
    private String username;
    private String password;

    public String getDriverClassName() {
        return driverClassName;
    }

    public void setDriverClassName(String driverClassName) {
        this.driverClassName = driverClassName;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    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;
    }

}

MyUtils类

package com.yun.orm.config.utils;

import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * 工具类
 * <p>
 * Created by 周子淏 on 2018/4/9 16:41
 */
public class MyUtils {
    public static DruidDataSource getDruidDataSource(String driverClassName, String url, String username, String password) {
        DruidDataSource dataSource = new DruidDataSource();
        //这一项可配可不配，如果不配置druid会根据url自动识别dbType，然后选择相应的driverClassName
        dataSource.setDriverClassName(driverClassName);
        //连接数据库的url
        dataSource.setUrl(url);
        //连接数据库的用户名
        dataSource.setUsername(username);
        //连接数据库的密码
        dataSource.setPassword(password);
        //初始化时建立物理连接的个数。初始化发生在显示调用init方法，或者第一次getConnection时
        dataSource.setInitialSize(1);
        //最小连接池数量
        dataSource.setMinIdle(1);
        //最大连接池数量
        dataSource.setMaxActive(20);
        //获取连接时最大等待时间，单位毫秒。配置了maxWait之后，缺省启用公平锁，并发效率会有所下降，如果需要可以通过配置useUnfairLock属性为true使用非公平锁。
        dataSource.setMaxWait(1000);
        return dataSource;
    }

    /**
     * org.mybatis.spring.boot.autoconfigure包下MybatisProperties里面的方法直接拿来用
     *
     * @param mapperLocations xml路径数组
     * @return 资源数组
     */
    public static Resource[] resolveMapperLocations(String[] mapperLocations) {
        ResourcePatternResolver resourceResolver = new PathMatchingResourcePatternResolver();
        List<Resource> resources = new ArrayList();
        if (mapperLocations != null) {
            String[] var3 = mapperLocations;
            int var4 = var3.length;
            for (int var5 = 0; var5 < var4; ++var5) {
                String mapperLocation = var3[var5];
                try {
                    Resource[] mappers = resourceResolver.getResources(mapperLocation);
                    resources.addAll(Arrays.asList(mappers));
                } catch (IOException var8) {
                    ;
                }
            }
        }
        return resources.toArray(new Resource[resources.size()]);
    }

}

新建一个application.yml

spring:
  datasource:
    master:
      driver-class-name: com.microsoft.sqlserver.jdbc.SQLServerDriver
      url: jdbc:sqlserver://localhost:1433;DatabaseName=orm
      username: sa
      password: sqlserver

meavn中的配置如下，用的是阿里巴巴的数据源。

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.yun</groupId>
    <artifactId>orm</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>orm</name>
    <description>orm project for Spring Boot</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.1.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    <!--    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

        &lt;!&ndash; set thymeleaf version &ndash;&gt;

        <thymeleaf.version>3.0.0.RELEASE</thymeleaf.version>-->

    <!--    <thymeleaf-layout-dialect.version>2.0.0</thymeleaf-layout-dialect.version>-->
    </properties>


    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>1.3.2</version>
        </dependency>

        <dependency>
            <groupId>com.microsoft.sqlserver</groupId>
            <artifactId>mssql-jdbc</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
        <!-- 阿里巴巴数据源 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.9</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
        <!-- 扫描src/main/java下面的xml文件. -->
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
                <filtering>true</filtering>
            </resource>
        </resources>
    </build>


</project>

我在dao中一共声明了6个方法。

package com.yun.orm.pc.user.dao;

import com.yun.orm.pc.user.domain.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;

import java.util.List;

@Mapper
@Component
public interface IUserDao {
    /**
     * 1.插入
     */
    int insert(User user);

    /**
     * 2.全部
     */
    List<User> list();

    /**
     * 3.修改
     */
    int update(User user);

    /**
     * 4.删除
     */
    int delete(User user);

    /**
     * 5.根据id查询
     */
    User getById(int id);

    /**
     * 6.登录
     */
    User loadByUsernameAndPassword(@Param("user") User user);
}

具体作用已经备注了。
然后特别说一下第6个。
@Param这是传参的一种办法。
DAO层传参不仅仅是单纯的String Int
需要加上@Param
这样参数才可以传到.xml文件中。
然后是xml中的方法

package com.yun.orm.pc.user.service;

import com.yun.orm.pc.user.domain.User;

import java.util.List;

/**
 * Created by 周子淏 on 2018/4/10 8:56
 */
public interface IUserService {
    /**
     * 1.插入
     */
    int insert(User user);

    /**
     * 2.全部
     */
    List<User> list();

    /**
     * 3.修改
     */
    int update(User user);
    /**
     * 4.删除
     */
    int delete(User user);
    /**
     * 5.根据id查询
     */
    User getById(int id);
    /**
     * 6.登录
     */
    Boolean isLogin(User user);
}

这里基本前边的方法和dao层调用的方法是一样的，只有最后一个判断登录的使用的是boolean的返回值，这里对于登录的判断是通过用户名和密码来查找用户是否存在，然后来判断登录是否成功。开始是想用根据用户名来查询密码这种方法，但是很明显时有弊端的，直接通过true false来对登录进行判断。
然后是service的实现类

package com.yun.orm.pc.user.service;

import com.yun.orm.pc.user.dao.IUserDao;
import com.yun.orm.pc.user.domain.User;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;

/**
 * Created by 周子淏 on 2018/4/10 8:57
 */
@Service
public class UserServiceImpl implements IUserService {
    @Resource
    private IUserDao userDao;
    @Override
    public int insert(User user) {
        return userDao.insert(user);
    }

    @Override
    public List<User> list() {
        return userDao.list();
    }

    @Override
    public int update(User user) {
        return userDao.update(user);
    }

    @Override
    public int delete(User user) {
        return userDao.delete(user);
    }

    @Override
    public User getById(int id) {

        return userDao.getById(id);
    }
    /**
     * 6.登录
     */
    @Override
    public Boolean isLogin(User user) {
        User user1 = userDao.loadByUsernameAndPassword(user);
        if (user1 == null) {
            return false;
        }
        return true;
    }
}

这样后台的方法基本写完了，可以在test写几个测试类测试一下。
连接前台的话，就需要controller了。

package com.yun.orm.pc.user.web;

import com.yun.orm.pc.user.domain.User;
import com.yun.orm.pc.user.service.IUserService;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.xml.ws.Response;

/**
 * Created by 周子淏 on 2018/4/10 9:01
 */
@Controller
@RequestMapping("/user")
public class UserController {
    @Resource
    public IUserService userService;

    @GetMapping("/index")
    public String getUsers(Model model) {
        /* List<User> userList=new ArrayList<>();*/
        model.addAttribute("userList", userService.list());
        return "/user/index";
    }

    @GetMapping("/add")
    public String addNetClasses(Model model) {
        model.addAttribute("userList", new User());
        return "/user/add";
    }

    @PostMapping("/add")
    public String addNetClasses(User user) {
        userService.insert(user);
        return "redirect:index";
    }

    @GetMapping("/{id}/update")
    public String update(@PathVariable("id") Integer id, Model model) {
        model.addAttribute("user", userService.getById(id));
        System.out.println(id);
        return "/User/update";
    }

    @PostMapping("/update")
    public String update(User user) {
        userService.update(user);
        return "redirect:/user/index";
    }

    @GetMapping("/{id}/delete")
    public String delete(@PathVariable("id") Integer id, User user, Model model) {
        userService.delete(user);
        return "redirect:/user/index";
    }

    @GetMapping("/login")
    public String login(Model model) {
        model.addAttribute("userList", new User());
        return "/user/login";
    }

    @PostMapping("/login")
    public String login(User user) {
        Boolean isLogin = userService.isLogin(user);
        if (isLogin) {
            return "redirect:/user/index";
        } else {
            return "redirect:/user/login";
        }
    }

/*    @PostMapping("/login")
    public String login(User user, HttpServletRequest request, HttpSession session){
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        user=userService.login(username,password);
        if (user!=null){
            return "/user/index";
        }
        else{

           session.setAttribute("error","账号或者密码错误，请重新输入！");

        }
        return "/user/login";
    }*/


}

controller的配置之前也写过很多了。对应着不同的方法。
controller写好后，在前台对应上就行了。
先写的是登录
要达到的效果是，首先登录，然后登录后到index界面可以看到所有信息，
点击新增可以添加信息。添加后返回主页，然后点击修改、删除都可以完成相应操作。

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<center>
<h1>欢迎登录</h1>
    <a th:href="@{/user/add}"><input type="submit" value="新增用户"></a>
<table border="1">
 <tr th:each="list:${userList}">
     <td th:text="${list.id}"></td>
     <td th:text="${list.username}"></td>
     <td th:text="${list.password}"></td>
     <td th:text="${list.nickname}"></td>
     <td><a th:href="@{/user/{id}/update(id=${list.Id})}">修改</a></td>
     <td><a th:href="@{/user/{id}/delete(id=${list.Id})}">删除</a></td>

 </tr>

</table>
</center>
</body>
</html>

*add.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <form action="#" th:action="@{/user/add}" th:object="${userList}" method="post">
        <label>姓名</label><input type="text" th:field="*{username}"/><br>
        <label>密码</label><input type="text" th:field="*{password}"/><br>
        <label>昵称</label><input type="text" th:field="*{nickname}"/><br>
        <input type="submit" value="添加"/>

    </form>
</div>
</body>
</html>

update.html

<!DOCTYPE html>
<html lang="en"  xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>好的</h1>
<!--<form action="#" th:action="@{/User/update}" th:object="${userList}" method="post">
    <input type="text" th:field="*{password}" /><br>
    <input type="text" th:field="*{nickname}" /><br>
    <input type="submit" value="确认修改"/>
</form>-->
<form action="#" th:action="@{/user/update}" th:object="${user}" method="post">
    <input type="hidden" th:field="*{id}">
    <input type="text" th:field="*{username}"/>
    <input type="text" th:field="*{password}"/>
    <input type="text" th:field="*{nickname}"/>
    <input type="submit" value="确认修改"/>
</form>

</body>
</html>

delete.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org" >
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="#" th:action="@{/user/delete}" th:object="${user}" method="post">
    <input type="text" th:field="*{password}" /><br>
    <input type="text" th:field="*{nickname}" /><br>
    <input type="submit" value="确认修改"/>

</form>

</body>
</html>

这样整个的系统就完事了。

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