Android使用OKhttp3实现登录注册功能+springboot搭建后端的详细过程

目录

• 一、Android前端实现
• 二、数据库
• 三、SpringBoot后端搭建
• 四、部署至服务器
• 五、运行测试

一、Android前端实现

新建一个login的项目，主要的几个文件在这里

1、gradle引入OKhttp3依赖

implementation 'com.squareup.okhttp3:okhttp:3.14.7'
    implementation 'com.squareup.okio:okio:1.17.5'

2、activity_main.xml布局文件

3、AndroidManifest.xml配置文件

这里需要加上网络请求权限，添加网络权限的时候注意：在res目录下新建xml目录，创建network_security_config.xml文件

并在配置文件中加入这行代码：

android:networkSecurityConfig="@xml/network_security_config"

完整的AndroidManifest.xml文件如下

4、创建User实体类

新建entity目录创建User实体类。注意这里我是根据后端数据库的字段创建的，在实现登录注册的时候只需要id,username,password 几个基础的字段就行，这里我比较多，读者可以自行忽略。
User.java

package com.example.login.entity;
public class User {
    private Integer userId;
    private String userName;
    private String userPassword;
    private String currentVersion;
    private String latestVersion;
    private String updateDescription;
    private String headPortrait;
    private String nickName;
    private String vipTime;
    private String userCategory;
    private String registerDate;

    public User(Integer userId, String userName, String userPassword, String currentVersion, String latestVersion, String updateDescription, String headPortrait, String nickName, String vipTime, String userCategory, String registerDate) {
        this.userId = userId;
        this.userName = userName;
        this.userPassword = userPassword;
        this.currentVersion = currentVersion;
        this.latestVersion = latestVersion;
        this.updateDescription = updateDescription;
        this.headPortrait = headPortrait;
        this.nickName = nickName;
        this.vipTime = vipTime;
        this.userCategory = userCategory;
        this.registerDate = registerDate;
    }

    public User() {
    }

    public Integer getUserId() {
        return userId;
    }

    public void setUserId(Integer userId) {
        this.userId = userId;
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getUserPassword() {
        return userPassword;
    }

    public void setUserPassword(String userPassword) {
        this.userPassword = userPassword;
    }

    public String getCurrentVersion() {
        return currentVersion;
    }

    public void setCurrentVersion(String currentVersion) {
        this.currentVersion = currentVersion;
    }

    public String getLatestVersion() {
        return latestVersion;
    }

    public void setLatestVersion(String latestVersion) {
        this.latestVersion = latestVersion;
    }

    public String getUpdateDescription() {
        return updateDescription;
    }

    public void setUpdateDescription(String updateDescription) {
        this.updateDescription = updateDescription;
    }

    public String getHeadPortrait() {
        return headPortrait;
    }

    public void setHeadPortrait(String headPortrait) {
        this.headPortrait = headPortrait;
    }

    public String getNickName() {
        return nickName;
    }

    public void setNickName(String nickName) {
        this.nickName = nickName;
    }

    public String getVipTime() {
        return vipTime;
    }

    public void setVipTime(String vipTime) {
        this.vipTime = vipTime;
    }

    public String getUserCategory() {
        return userCategory;
    }

    public void setUserCategory(String userCategory) {
        this.userCategory = userCategory;
    }

    public String getRegisterDate() {
        return registerDate;
    }

    public void setRegisterDate(String registerDate) {
        this.registerDate = registerDate;
    }
}

LoginUser.java

public class LoginUser {
    private String userName;
    private String userPassword;

    public LoginUser(String userName, String userPassword) {
        this.userName = userName;
        this.userPassword = userPassword;
    }

    public LoginUser() {
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getUserPassword() {
        return userPassword;
    }

    public void setUserPassword(String userPassword) {
        this.userPassword = userPassword;
    }
}

5、MainActivity.java

package com.example.login;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.example.login.entity.User;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public class MainActivity extends AppCompatActivity {
    private EditText username;
    private EditText password;
    private User user;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        username = findViewById(R.id.username);
        password = findViewById(R.id.password);

    }

    public void register(View view) {
        user = new User();
        user.setUserName(username.getText().toString());
        user.setUserPassword(password.getText().toString());
        Log.d("whqusername",username.getText().toString());
        Log.d("whqpassword",password.getText().toString());
        new Thread(new Runnable() {
            @Override
            public void run() {
                MediaType JSON = MediaType.parse("application/json;charset=utf-8");
                JSONObject jsonObject = new JSONObject();
                OkHttpClient httpClient = new OkHttpClient();
                try {
                    jsonObject.put("userId",10);
                    jsonObject.put("userName",user.getUserName());
                    jsonObject.put("userPassword",user.getUserPassword());
                    jsonObject.put("currentVersion",null);
                    jsonObject.put("latestVersion",null);
                    jsonObject.put("updateDescription",null);
                    jsonObject.put("headPortrait",null);
                    jsonObject.put("nickName",user.getUserName());
                    jsonObject.put("vipTime",null);
                    jsonObject.put("userCategory",null);
                    jsonObject.put("registerDate",null);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                RequestBody requestBody = RequestBody.create(JSON, String.valueOf(jsonObject));
                String url = "http://ip:8001/server/user/addUser/";
                Request request = new Request.Builder()
                        .url(url)
                        .post(requestBody)
                        .build();

                Call call = httpClient.newCall(request);
                call.enqueue(new Callback() {
                    @Override
                    public void onFailure(Call call, IOException e) {
                        Log.d("whq","失败了");
                    }

                    @Override
                    public void onResponse(Call call, Response response) throws IOException {
                        Log.d("whq",response.toString()+"------------------");
                        Log.d("whq",response.body().toString()+"------------------");

                    }
                });

            }
        }).start();
    }

    public void getUser(View view) {
        OkHttpClient httpClient = new OkHttpClient();

        String url = "http://ip:8001/server/user/getAllUserName";
        Request getRequest = new Request.Builder()
                .url(url)
                .get()
                .build();

        Call call = httpClient.newCall(getRequest);

        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    //同步请求，要放到子线程执行
                    Response response = call.execute();
                    Log.i("whq+getAllUserName", "okHttpGet run: response:"+ response.body().string());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }).start();

    }

     public void login(View view) {
        loginUser = new LoginUser();
        loginUser.setUserName(username.getText().toString());
        loginUser.setUserPassword(password.getText().toString());
        new Thread(new Runnable() {
            @Override
            public void run() {
                MediaType JSON = MediaType.parse("application/json;charset=utf-8");
                JSONObject jsonObject = new JSONObject();
                OkHttpClient httpClient = new OkHttpClient();
                try {
                    jsonObject.put("userName",loginUser.getUserName());
                    jsonObject.put("userPassword",MD5.encrypt(loginUser.getUserPassword()));
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                RequestBody requestBody = RequestBody.create(JSON, String.valueOf(jsonObject));
                String url = "http://ip:8001/server/user/login";
                Request request = new Request.Builder()
                        .url(url)
                        .post(requestBody)
                        .build();

                Call call = httpClient.newCall(request);
                call.enqueue(new Callback() {
                    @Override
                    public void onFailure(Call call, IOException e) {
                        Log.d("whq登录","失败了");
                    }

                    @Override
                    public void onResponse(Call call, Response response) throws IOException {
                        String MyResult = response.body().string();
                        Log.d("whq登录",response+"---------response---------");
                        Log.d("whq登录",response.message()+"---------message---------");
                        Log.d("whq登录",response.body().toString()+"------------------");
                        Log.d("whq登录",MyResult+"-----------MyResult-------");
                    }
                });
            }
        }).start();
    }
}

到这里就实现了Android的前端实现。

二、数据库

数据库就是简单的一个user表

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user`  (
  `userId` int(11) NOT NULL AUTO_INCREMENT,
  `userName` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `userPassword` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `currentVersion` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `latestVersion` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `updateDescription` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `headPortrait` mediumblob NULL,
  `nickName` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `vipTime` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `userCategory` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT 'normal',
  `registerDate` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  PRIMARY KEY (`userId`, `userName`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 13 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = DYNAMIC;

SET FOREIGN_KEY_CHECKS = 1;

三、SpringBoot后端搭建

后端搭建用到的是SSM框架

1、新建一个springboot项目，添加依赖

pom.xml文件。这里有mybatis-plus+swagger+velocity，使用了代码生成器

 
        1.8
        3.0.5
        2.7.0
        2.10.1
        3.17
        4.5.1
        2.8.2
        2.0
    
        
            
                org.springframework.boot
                spring-boot-starter
            
            
                org.springframework.boot
                spring-boot-starter-test
                test
            

            
            
                org.springframework.cloud
                spring-cloud-dependencies
                Hoxton.RELEASE
                pom
                import
            
            
            
                com.baomidou
                mybatis-plus-boot-starter
                ${mybatis-plus.version}
            

            
            
                org.apache.velocity
                velocity-engine-core
                ${velocity.version}
            

            
            
                io.springfox
                springfox-swagger2
                ${swagger.version}
            
            
            
                io.springfox
                springfox-swagger-ui
                ${swagger.version}
            
            
            
                joda-time
                joda-time
                ${jodatime.version}
            
            
            
                mysql
                mysql-connector-java
            
            
            
                org.projectlombok
                lombok
            
            
                org.springframework.boot
                spring-boot-starter-web
            
        

2、application.properties文件

# 服务端口
server.port=8001
# 服务名
spring.application.name=heartrate

# 环境设置：dev、test、prod
spring.profiles.active=dev

# mysql数据库连接
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://ip:3310/heartrate?serverTimezone=GMT%2B8&useSSL=false
spring.datasource.username=root
spring.datasource.password=123456


#返回json的全局时间格式
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=GMT+8

##mybatis日志//要使用logback日志，就需要注释掉
#mybatis-plus.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl

#配置mapper xml文件的路径
mybatis-plus.mapper-locations=classpath:com/atguigu/eduservice/mapper/xml/*.xml

这里的数据库连接发现我是使用3310端口，因为我的服务器是使用docker创建数据库的。请自行查看我之前的文章。

3、CodeGenerator.java代码生成器

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.GlobalConfig;
import com.baomidou.mybatisplus.generator.config.PackageConfig;
import com.baomidou.mybatisplus.generator.config.StrategyConfig;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import org.junit.Test;

/**
 * @author ahuwhq
 * @since 2021/7/27
 */
public class CodeGenerator {

    @Test
    public void run() {

        // 1、创建代码生成器
        AutoGenerator mpg = new AutoGenerator();

        // 2、全局配置
        GlobalConfig gc = new GlobalConfig();
        String projectPath = System.getProperty("user.dir");
        //这里改成自己的目录
        gc.setOutputDir("E:\\LaboratoryCode\\service\\server" + "/src/main/java");
        gc.setAuthor("ahuwhq");
        gc.setOpen(false); //生成后是否打开资源管理器
        gc.setFileOverride(false); //重新生成时文件是否覆盖
        gc.setServiceName("%sService");	//去掉Service接口的首字母I
        gc.setIdType(IdType.ID_WORKER_STR); //主键策略
        gc.setDateType(DateType.ONLY_DATE);//定义生成的实体类中日期类型
        gc.setSwagger2(true);//开启Swagger2模式

        mpg.setGlobalConfig(gc);

        // 3、数据源配置
        DataSourceConfig dsc = new DataSourceConfig();
        //这里的数据库改为自己的
        dsc.setUrl("jdbc:mysql://ip:3310/heartrate?serverTimezone=GMT%2B8");
        dsc.setDriverName("com.mysql.cj.jdbc.Driver");
        dsc.setUsername("root");
        dsc.setPassword("123456");
        dsc.setDbType(DbType.MYSQL);
        mpg.setDataSource(dsc);

        // 4、包配置
        PackageConfig pc = new PackageConfig();
        pc.setParent("com.message");
        pc.setModuleName("server"); //模块名

        pc.setController("controller");
        pc.setEntity("entity");
        pc.setService("service");
        pc.setMapper("mapper");
        mpg.setPackageInfo(pc);

        // 5、策略配置
        StrategyConfig strategy = new StrategyConfig();
        //这里是对应的数据库的表
        strategy.setInclude("user");
        strategy.setNaming(NamingStrategy.underline_to_camel);//数据库表映射到实体的命名策略
        strategy.setTablePrefix(pc.getModuleName() + "_"); //生成实体时去掉表前缀

        strategy.setColumnNaming(NamingStrategy.underline_to_camel);//数据库表字段映射到实体的命名策略
        strategy.setEntityLombokModel(true); // lombok 模型 @Accessors(chain = true) setter链式操作

        strategy.setRestControllerStyle(true); //restful api风格控制器
        strategy.setControllerMappingHyphenStyle(true); //url中驼峰转连字符

        mpg.setStrategy(strategy);


        // 6、执行
        mpg.execute();
    }
}

点击运行就会自动生成文件

4、添加config目录

这里的config目录代码生成器没有帮我们生成，我们添加这个目录主要是想使用swagger测试（SwaggerConfig），并且代码生成器生成文件之后，我们需要配置一下能扫描到mapper文件（ServerConfig）

ServerConfig.java

package com.message.server.config;


import com.baomidou.mybatisplus.core.injector.ISqlInjector;
import com.baomidou.mybatisplus.extension.injector.LogicSqlInjector;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
@MapperScan("com.message.server.mapper")
public class ServerConfig {

    /**
     * 逻辑删除插件
     */
    @Bean
    public ISqlInjector sqlInjector() {
        return new LogicSqlInjector();
    }

    /**
     * 分页插件
     */
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        return new PaginationInterceptor();
    }
}

SwaggerConfig.java

import com.google.common.base.Predicates;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration//配置类
@EnableSwagger2//swagger2注解
public class SwaggerConfig {
    @Bean
    public Docket webApiConfig(){
        return new Docket(DocumentationType.SWAGGER_2)
                .groupName("webApi")
                .apiInfo(webApiInfo())
                .select()
//                .paths(Predicates.not(PathSelectors.regex("/admin/.*")))
                .paths(Predicates.not(PathSelectors.regex("/error.*")))
                .build();

    }
    private ApiInfo webApiInfo(){

        return new ApiInfoBuilder()
                .title("网站-课程中心API文档")
                .description("本文档描述了课程中心微服务接口定义")
                .version("1.0")
                .contact(new Contact("java", "http://ahuwhq.com", "[email protected]"))
                .build();
    }
}

5、Controller层实现 UserController.java

这里我实现了好多种方法，不仅是登录注册，但是Android前段我们只用到登录注册和获取全部用户

import com.message.server.entity.User;
import com.message.server.entity.vo.UserAll;
import com.message.server.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
/**
 * 

 *  前端控制器
 * 
 *
 * @author ahuwhq
 * @since 2021-07-27
 */
@RestController
@RequestMapping("/server/user")
public class UserController {
    //访问地址：http://ip:8001/server/user/findAll    最终部署到服务器时使用这个来访问
    //访问地址：http://localhost:8001/server/user/findAll  这是本地测试地址也是Swagger地址
    @Autowired
    private UserService userService;

    /**
     * 查询所有的用户
     * @return
     */
    @GetMapping("getAllUsers")
    public List findAllUser(){
        //调用方法查询
        List list = userService.list(null);
        return list;
    }

    /**
     * 添加用户,注册功能
     * @param user
     * @return
     */
    @PostMapping("addUser")
    public Boolean addUser(@RequestBody User user){
        boolean save = userService.save(user);
        return save;

    }

    /**
     * 获取所有用户名
     */
    @GetMapping("getAllUserName")
    public List getAllUserName(){
        List userNamelist = userService.getAllUserName();
        return userNamelist;
    }


    /**
     * 根据用户ID查询用户的昵称
     * @param id
     * @return
     */
    @GetMapping("getUserNickname/{id}")
    public String getUserNickname(@PathVariable Integer id){
        User user = userService.getById(id);
        String nickName = user.getNickName();
        return nickName;
    }

    /**
     *修改密码
     * @param userName
     * @return
     */
    @PostMapping("changePassword/{userName}/{password}")
    public Boolean changePassword(@PathVariable String userName,
                                  @PathVariable String password){
        Boolean result = userService.changePassword(userName,password);
        return result;
    }


    /**
     * 用户的登录功能PostMapping
     * @param loginuser
     * @return
     */
    @PostMapping("login")
    public R login(@RequestBody loginUser loginuser){
        String token = userService.login(loginuser);
        if (token == "wrong Password"){
            return R.error().data("result",token);
        }else{
            return R.ok().data("result",token);
        }
    }
}

这里用到了几个文件R.java，ResultCode.java,MyException.java
R.java

//统一返回结果

import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.util.HashMap;
import java.util.Map;

@Data
public class R {
    @ApiModelProperty(value = "是否成功")
    private Boolean success;

    @ApiModelProperty(value = "返回码")
    private Integer code;

    @ApiModelProperty(value = "返回消息")
    private String message;

    @ApiModelProperty(value = "返回数据")
    private Map data = new HashMap();


    //构造方法私有化
    private R(){}



    //链式编程
    //成功静态方法

    public static R ok(){
        R r = new R();
        r.setSuccess(true);
        r.setCode(ResultCode.SUCCESS);
        r.setMessage("成功");
        return r;
    }

    //失败静态方法
    public static R error(){
        R r = new R();
        r.setSuccess(false);
        r.setCode(ResultCode.ERROR);
        r.setMessage("失败");
        return r;
    }

    public R success(Boolean success){
        this.setSuccess(success);
        return this;
    }

    public R message(String message){
        this.setMessage(message);
        return this;
    }

    public R code(Integer code){
        this.setCode(code);
        return this;
    }

    public R data(String key, Object value){
        this.data.put(key, value);
        return this;
    }

    public R data(Map map){
        this.setData(map);
        return this;
    }

}

ResultCode.java

public interface ResultCode {

    public static Integer SUCCESS = 20000;//成功

    public static Integer ERROR = 20001;//失败
}

MyException.java

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor//生成有参构造方法
@NoArgsConstructor//生成无参构造方法
public class MyException extends RuntimeException{


    private Integer code;//状态码

    private String msg;//异常信息
}

5、UserService接口

public interface UserService extends IService {

    /**
     * 获取所有用户名
     * @return
     */
    List getAllUserName();

    /**
     * 修改密码
     * @param userName
     * @return
     */
    Boolean changePassword(String userName,String password);

    /**
     * 用户的登录功能
     * @param userName
     * @param password
     * @return
     */
    Boolean login(String userName, String password);
}

6、UserServiceImpl.java

public class UserServiceImpl extends ServiceImpl implements UserService {

    @Autowired
    private UserService userService;

    /**
     * 获取所有用户名
     */
    @Override
    public List getAllUserName() {

        //创建一个构造器
        QueryWrapper wrapper = new QueryWrapper<>();
        //查询所有的userName
        wrapper.eq("userName",0);
        //重新封装一个UserAll的类，专门来查询所有用户名
        List users = baseMapper.selectList(wrapper);

        List userAlls = new ArrayList<>();
        for (int i = 0; i < users.size(); i++) {
            User user = users.get(i);
            String userName = user.getUserName();
            UserAll userAll = new UserAll();
            userAll.setUserName(userName);
            userAlls.add(userAll);
        }
        return userAlls ;
    }

    /**
     * 修改密码
     * @param userName
     * @param password
     * @return
     */
    @Override
    public Boolean changePassword(String userName,String password) {
        QueryWrapper wrapper = new QueryWrapper<>();
        wrapper.eq("userName",userName);
        User user = baseMapper.selectOne(wrapper);
        if (user == null){
            return false;
        }
        user.setUserPassword(password);
        boolean save = userService.update(user,null);
        return save;
    }

    /**
     * 用户的登录功能PostMapping
     * @param loginuser
     * @return
     */
    @Override
    public String login(loginUser loginuser) {
        String userName = loginuser.getUserName();
        String userPassword = loginuser.getUserPassword();
        //用户名和密码非空判断
        if(org.springframework.util.StringUtils.isEmpty(userName) || org.springframework.util.StringUtils.isEmpty(userPassword)) {
            return "wrong Password";
        }
        //判断手机号是否正确
        QueryWrapper wrapper = new QueryWrapper<>();
        wrapper.eq("userName",userName);
        User user = baseMapper.selectOne(wrapper);
        //判断密码
        //因为存储到数据库密码肯定加密的
        //把输入的密码进行加密，再和数据库密码进行比较
        //加密方式 MD5
        if(!userPassword.equals(user.getUserPassword())) {
            return "wrong Password";

        }
        else {
            return "success login";
        }
    }
}

注意：第一个获取所有用户名的方法会发现我自己生成一个实体类，原因是我的数据库表里面有很多字段，但是我在前端展示的时候只能显示几个字段，就是起到保护隐私安全的作用。所以我新建了UserAll类。不影响阅读这些逻辑。

UserAll.java

@Data
public class UserAll {

    private String userName;
}

7、运行springboot

这就是全部代码，我们运行之后启动成功。然后打开swagger测试

这里就可以进行接口测试。这里就不进行展示了。

四、部署至服务器

我们使用maven打包。点击package。就可以生成jar包了。

然后上传至服务器。

这里我们就使用 java -jar server-0.0.1-SNAPSHOT.jar 命令运行起来就可以了。

这样就跑起来了。

注意：
这里有一个坑，要看服务器8001的端口有没有开放，否则是不能通过ip访问到的。

firewall-cmd --list-port
firewall-cmd --zone=public --add-port=8001/tcp --permanent
firewall-cmd --reload
firewall-cmd --query-port=8001/tcp

firewall-cmd --zone=public --remove-port=8001/tcp --permanent  # 删除

netstat -anp|grep 8001

然后打开一个接口

五、运行测试

打开AS ,运行APP，打印日志

简单的登录注册基本功能逻辑就已经实现了，大致流程可以走通。接下来就可以继续开发其他了。
注：这里只是最基本的登录注册，还不完善，比如这里密码用户名是明文传送，很容易被抓包，所以这篇花了一点时间做的demo，并不完善，后面会补充完整。

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