使用類返回josn

pom.xml

<?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.lanou</groupId>
    <artifactId>springbootswagger</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>springbootswagger</name>
    <description>Demo project for Spring Boot</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.2.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>
    </properties>

    <dependencies>

        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.6.1</version>
        </dependency>
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.6.1</version>
        </dependency>
        <dependency>
            <groupId>com.github.xiaoymin</groupId>
            <artifactId>swagger-bootstrap-ui</artifactId>
            <version>1.6</version>
        </dependency>

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

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!--alibaba-start-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.0</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.1.9</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.47</version>
        </dependency>
        <!--alibaba-end-->

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.41</version>
        </dependency>
        <!--mybatis-start-->
        <!--mybatis-->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>1.3.1</version>
        </dependency>
        <!--generator-->
        <dependency>
            <groupId>org.mybatis.generator</groupId>
            <artifactId>mybatis-generator-core</artifactId>
            <version>1.3.2</version>
            <scope>compile</scope>
            <optional>true</optional>
        </dependency>
        <!--mapper-->
        <dependency>
            <groupId>tk.mybatis</groupId>
            <artifactId>mapper-spring-boot-starter</artifactId>
            <version>1.2.4</version>
        </dependency>
        <!--pagehelper-->
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-starter</artifactId>
            <version>1.2.3</version>
        </dependency>
        <!--mybatis-end-->

        <!-- 引入 redis 依賴 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>

            <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.2</version>
                <configuration>
                    <verbose>true</verbose>
                    <overwrite>true</overwrite>
                </configuration>
                <dependencies>
                    <dependency>
                        <groupId>mysql</groupId>
                        <artifactId>mysql-connector-java</artifactId>
                        <version>5.1.29</version>
                    </dependency>
                    <dependency>
                        <groupId>tk.mybatis</groupId>
                        <artifactId>mapper</artifactId>
                        <version>4.0.0</version>
                    </dependency>
                </dependencies>
            </plugin>
        </plugins>
    </build>
</project>

generatorConfig.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>
    <!--1.jdbcConnection設置數據庫連接-->
    <!--2.javaModelGenerator設置類的生成位置-->
    <!--3.sqlMapGenerator設置生成xml的位置-->
    <!--4.javaClientGenerator設置生成dao層接口的位置-->
    <!--5.table設置要進行逆向工程的表名以及要生成的實體類的名稱-->


    <context id="default" targetRuntime="MyBatis3Simple" defaultModelType="flat">
        <property name="beginningDelimiter" value="`"/>
        <property name="endingDelimiter" value="`"/>
        <plugin type="tk.mybatis.mapper.generator.MapperPlugin">
            <property name="mappers" value="com.lanou.util.MyMapper"/>
        </plugin>

        <!-- optional，旨在創建class時，對註釋進行控制 -->
        <commentGenerator>
            <property name="suppressDate" value="true"/>
            <property name="suppressAllComments" value="true"/>
        </commentGenerator>

        <!--jdbc的數據庫連接 -->
        <jdbcConnection
                driverClass="com.mysql.jdbc.Driver"
                connectionURL="jdbc:mysql://localhost:3306/MVCDB?characterEncoding=utf-8"
                userId="root"
                password="123456">
        </jdbcConnection>

        <!-- 非必需，類型處理器，在數據庫類型和java類型之間的轉換控制-->
        <javaTypeResolver>
            <property name="forceBigDecimals" value="false"/>
        </javaTypeResolver>

        <!-- Model模型生成器,用來生成含有主鍵key的類，記錄類 以及查詢Example類
            targetPackage     指定生成的model生成所在的包名
            targetProject     指定在該項目下所在的路徑
        -->
        <!--<javaModelGenerator targetPackage="com.mmall.pojo" targetProject=".\src\main\java">-->
        <javaModelGenerator targetPackage="com.lanou.model" targetProject="./src/main/java">
            <!-- 是否允許子包，即targetPackage.schemaName.tableName -->
            <property name="enableSubPackages" value="false"/>
            <!-- 是否對model添加 構造函數 -->
            <property name="constructorBased" value="true"/>
            <!-- 是否對類CHAR類型的列的數據進行trim操作 -->
            <property name="trimStrings" value="true"/>
            <!-- 建立的Model對象是否 不可改變  即生成的Model對象不會有 setter方法，只有構造方法 -->
            <property name="immutable" value="false"/>
        </javaModelGenerator>

        <!--mapper映射文件生成所在的目錄 爲每一個數據庫的表生成對應的SqlMap文件 -->
        <!--<sqlMapGenerator targetPackage="mappers" targetProject=".\src\main\resources">-->
        <sqlMapGenerator targetPackage="mappers" targetProject="./src/main/resources">
            <property name="enableSubPackages" value="false"/>
        </sqlMapGenerator>

        <!-- 客戶端代碼，生成易於使用的針對Model對象和XML配置文件 的代碼
                type="ANNOTATEDMAPPER",生成Java Model 和基於註解的Mapper對象
                type="MIXEDMAPPER",生成基於註解的Java Model 和相應的Mapper對象
                type="XMLMAPPER",生成SQLMap XML文件和獨立的Mapper接口
        -->

        <!-- targetPackage：mapper接口dao生成的位置 -->
        <!--<javaClientGenerator type="XMLMAPPER" targetPackage="com.mmall.dao" targetProject=".\src\main\java">-->
        <javaClientGenerator type="XMLMAPPER" targetPackage="com.lanou.dao" targetProject="./src/main/java">
            <!-- enableSubPackages:是否讓schema作爲包的後綴 -->
            <property name="enableSubPackages" value="false" />
        </javaClientGenerator>

        <table tableName="User" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>


        <!-- geelynote mybatis插件的搭建 -->
    </context>
</generatorConfiguration>

application.yml

server:
         port: 8098
       spring:
         datasource:
           driver-class-name: com.mysql.jdbc.Driver
           username: root
           password: 123456
           url: jdbc:mysql://localhost:3306/MVCDB?characterEncoding=utf-8

       #mybatis
       mybatis:
         type-aliases-package: com.lanou.model
         mapper-locations: classpath:mappers/*.xml

       #mapper
       #mappers 多個接口時逗號隔開
       mapper:
         mappers: com.lanou.util.MyMapper
         not-empty: false
         identity: MYSQL

       #pagehelper
       pagehelper:
         helperDialect: mysql
         reasonable: true
         supportMethodsArguments: true
         params: count=countSql

       page: 5

SpringbootswaggerApplication

package com.lanou;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import tk.mybatis.spring.annotation.MapperScan;

@SpringBootApplication
@MapperScan(basePackages = "com.lanou.dao")
public class SpringbootswaggerApplication {

    public static void main(String[] args) {
        SpringApplication.run(SpringbootswaggerApplication.class, args);
    }
}

Swagger2

package com.lanou.util;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
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;

/**
 * Created by apple on 2018/4/9.
 */
@Configuration
@EnableSwagger2
public class Swagger2 {

    @Bean
    public Docket createRestApi(){
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.lanou.controller"))
                .paths(PathSelectors.any())
                .build();

    }
    private ApiInfo apiInfo(){
        Contact contact = new Contact("lck","api","[email protected]");
        return new ApiInfo("lckApi","lckdec","1.0.0","sha?",contact,"license","licenseUrl");
    }

}

ServerResp

package com.lanou.util;


import javax.xml.crypto.Data;
import java.io.Serializable;

public class ServerResp<T> implements Serializable {

    private int status;
    private String msg;
    private T data;
    private ServerResp(int status,T data,String msg){
        this.status = status;
        this.data = data;

    }
    private ServerResp(int status,String msg){
        this.status = status;
        this.msg = msg;
    }
    // 因爲是createSuccess方法所有status=0
    // 你傳進來data返回對象的三個屬性都要附值
    // 如果不傳msg msg=成功

    public static <T> ServerResp<T> createError(int status){
        return new ServerResp<T>(status,"失敗");
    }

    public static <T> ServerResp<T> createError(int status,String msg){
        return new ServerResp<T>(status,msg);
    }

    public static <T> ServerResp<T> createError(int status,String msg,T data){
        return new ServerResp<T>(status,data,msg);
    }

    public static <T> ServerResp<T> createSuccess(String msg,T data){
        return new ServerResp<T>(0,data,msg);
    }


    public static <T> ServerResp<T> createSuccess(T data){
        return new ServerResp<T>(0,data,"成功");
    }

    public ServerResp() {
    }

    public int getStatus() {
        return status;
    }

    public void setStatus(int status) {
        this.status = status;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }

    @Override
    public String toString() {
        return "ServerResp{" +
                "status=" + status +
                ", msg='" + msg + '\'' +
                ", data=" + data +
                '}';
    }
}

MyMapper

package com.lanou.util;

import com.lanou.model.User;
import tk.mybatis.mapper.common.Mapper;
import tk.mybatis.mapper.common.MySqlMapper;

public interface MyMapper<User> extends Mapper<User>,MySqlMapper<User> {
}

UserService

package com.lanou.service;

import com.lanou.model.User;

public interface UserService {

    public User login(User user);
}

User

package com.lanou.model;

import javax.persistence.*;

public class User {
    @Id
    @Column(name = "u_id")
    private Integer uId;

    @Column(name = "u_name")
    private String uName;

    @Column(name = "u_password")
    private String uPassword;

    @Column(name = "u_gender")
    private String uGender;

    public User(Integer uId, String uName, String uPassword, String uGender) {
        this.uId = uId;
        this.uName = uName;
        this.uPassword = uPassword;
        this.uGender = uGender;
    }

    public User() {
        super();
    }

    /**
     * @return u_id
     */
    public Integer getuId() {
        return uId;
    }

    /**
     * @param uId
     */
    public void setuId(Integer uId) {
        this.uId = uId;
    }

    /**
     * @return u_name
     */
    public String getuName() {
        return uName;
    }

    /**
     * @param uName
     */
    public void setuName(String uName) {
        this.uName = uName == null ? null : uName.trim();
    }

    /**
     * @return u_password
     */
    public String getuPassword() {
        return uPassword;
    }

    /**
     * @param uPassword
     */
    public void setuPassword(String uPassword) {
        this.uPassword = uPassword == null ? null : uPassword.trim();
    }

    /**
     * @return u_gender
     */
    public String getuGender() {
        return uGender;
    }

    /**
     * @param uGender
     */
    public void setuGender(String uGender) {
        this.uGender = uGender == null ? null : uGender.trim();
    }
}

UserServiceimpl

package com.lanou.impl;

import com.lanou.dao.UserMapper;
import com.lanou.model.User;
import com.lanou.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

@Service("userService")
public class UserServiceimpl implements UserService {

    @Autowired
    private UserMapper userMapper;



    @Override
    public User login(User user) {
        User user1 = userMapper.selectByUserName(user);
        System.out.println("before" + user.getuPassword());
        if(user1 != null){
            String inputpass = DigestUtils.md5DigestAsHex(user.getuPassword().getBytes());
            System.out.println("after" + inputpass);
            if(user1.getuPassword().equals(inputpass)){
                user1.setuPassword("");
                return user1;
            }
        }
        return null;
    }

}

UserMapper

package com.lanou.dao;

import com.lanou.model.User;
import com.lanou.util.MyMapper;

public interface UserMapper extends MyMapper<User> {

    public User selectByUserName(User user);
}

UserController

package com.lanou.controller;

import com.lanou.dao.UserMapper;
import com.lanou.model.User;
import com.lanou.service.UserService;
import com.lanou.util.ServerResp;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import springfox.documentation.annotations.ApiIgnore;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import javax.xml.soap.Name;
import java.util.List;

@RestController
@EnableSwagger2
public class UserController {

    @Autowired
    private UserMapper userMapper;
    @Autowired
    private UserService userService;

    @ApiIgnore
    @RequestMapping(value = "/user/{id}",method = RequestMethod.DELETE)
    public ServerResp update(@PathVariable Integer id){
        System.out.println("id:" + id);
        return ServerResp.createSuccess("ok");
    }

    // 先使用接收到的用戶名 查詢對應的記錄 再進行密碼的匹配
    @ApiOperation(value = "登錄",notes = "用戶登錄")
    @RequestMapping("/login")
    public ServerResp login(User user){
        User user1 = userService.login(user);

        if(user1 == null){
            return ServerResp.createError(12,"用戶名或者密碼錯誤");
        }
        return ServerResp.createSuccess("登錄成功",user1);
    }

    @RequestMapping("/addUser")
    public ServerResp addUser(User user){
        int count = userMapper.insert(user);
        if(count == 1){
            return ServerResp.createSuccess("數據插入成功");
        }
        return ServerResp.createError(10,"輸入插入失敗");
    }

    @RequestMapping("/findUsers")
    public ServerResp findUsers(){
        List<User> users = userMapper.selectAll();
        return ServerResp.createSuccess(users);
    }


}