spring boot + vue 前后分离实现登录功能（三）

Spring boot 后台

github 地址 SpringBoot-book-vue-demo

使用tk.mytabis 简化mybatis 开发

使用 durid 连接池 连接Mysql

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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.5.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.lick</groupId>
<artifactId>vue_demo</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>vue_demo</name>
<description>Demo project for Spring Boot</description> <properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<mysql.version>8.0.15</mysql.version> </properties> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<!-- Druid 数据库连接 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.10</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper-spring-boot-starter</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper-spring-boot-starter</artifactId>
<version>1.2.5</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</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>1.3.5</version>
<configuration>
<configurationFile>${basedir}/src/main/resources/generator/generatorConfig.xml</configurationFile>
<overwrite>true</overwrite>
<verbose>true</verbose>
</configuration>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper</artifactId>
<version>3.4.4</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>

实体类 TbUser.java

package com.lick.vue_demo.domain;import javax.persistence.*;
import javax.validation.constraints.NotNull;@Table(name = "tb_user")
public class TbUser {
/**
* 用户ID
*/
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id; /**
* 登录名
*/
@NotNull(message = "用户名不能为空")
private String username; /**
* 登录密码
*/
@NotNull(message = "密码不能为空")
private String password; /**
* 手机号
*/
private String phone; /**
* 获取用户ID
*
* @return id - 用户ID
*/
public Integer getId() {
return id;
} /**
* 设置用户ID
*
* @param id 用户ID
*/
public void setId(Integer id) {
this.id = id;
} /**
* 获取登录名
*
* @return username - 登录名
*/
public String getUsername() {
return username;
} /**
* 设置登录名
*
* @param username 登录名
*/
public void setUsername(String username) {
this.username = username;
} /**
* 获取登录密码
*
* @return password - 登录密码
*/
public String getPassword() {
return password;
} /**
* 设置登录密码
*
* @param password 登录密码
*/
public void setPassword(String password) {
this.password = password;
} /**
* 获取手机号
*
* @return phone - 手机号
*/
public String getPhone() {
return phone;
} /**
* 设置手机号
*
* @param phone 手机号
*/
public void setPhone(String phone) {
this.phone = phone;
}
}

登录控制层 LoginController.java

package com.lick.vue_demo.controller;import com.lick.vue_demo.domain.TbUser;
import com.lick.vue_demo.mapper.TbUserMapper;
import com.lick.vue_demo.result.AjaxResult;
import com.lick.vue_demo.result.ResultFactory;
import com.lick.vue_demo.utils.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.*;
import tk.mybatis.mapper.entity.Example;import javax.validation.Valid;@RestController
@CrossOrigin
public class LoginController {
@Autowired
private TbUserMapper tbUserMapper; @RequestMapping(value = "/api/login", method = RequestMethod.POST, produces = "application/json; charset=UTF-8")
public AjaxResult login(@Valid @RequestBody TbUser tbUser, BindingResult bindingResult) {
if (bindingResult.hasErrors()) {
String message = String.format("登陆失败，详细信息[%s]。", bindingResult.getFieldError().getDefaultMessage());
return ResultFactory.buildFailResult(message);
}
Example example = new Example(TbUser.class);
example.createCriteria().andEqualTo("username",tbUser.getUsername());
TbUser tbUser1 = tbUserMapper.selectOneByExample(example);
if(StringUtils.isNotNull(tbUser1)) {
if ( !tbUser.getPassword().equals(tbUser1.getPassword())) {
String message = String.format("登陆失败，详细信息[密码不正确]。");
return ResultFactory.buildFailResult(message);
}else {
return ResultFactory.buildSuccessResult(tbUser1);
}
}else {
String message = String.format("登陆失败，详细信息[用户名不正确]。");
return ResultFactory.buildFailResult(message);
} }
}

返回值实体类 Result.java

package com.lick.vue_demo.result;/**
* 通用返回值实例
*/
public class AjaxResult {
/**
* 响应状态码
*/
private int code;
/**
* 响应状态消息
*/
private String msg;
/**
* 响应结果对象
*/
private Object object; public int getCode() {
return code;
} public void setCode(int code) {
this.code = code;
} public String getMsg() {
return msg;
} public void setMsg(String msg) {
this.msg = msg;
} public Object getObject() {
return object;
} public void setObject(Object object) {
this.object = object;
} AjaxResult (int code,String msg,Object data) {
this.code = code;
this.msg = msg;
this.object = data;
}
}

代码编号 ResultCode.java

package com.lick.vue_demo.result;public enum ResultCode {
/**
* 成功
*/
SUCCESS(200),
/**
* 失败
*/
FAIL(400), /**
* 未认证（签名错误）
*/
UNAUTHORIZED(401), /**
* 接口不存在
*/
NOT_FOUND(404), /**
* 服务器内部错误
*/
INTERNAL_SERVER_ERROR(500); public int code; ResultCode(int code) {
this.code = code;
}}

响应结果生产工厂 ResultFactory.java

package com.lick.vue_demo.result;/**
* @description 响应结果生成工厂类
*/
public class ResultFactory {
public static AjaxResult buildSuccessResult(Object data) {
return buildResult(ResultCode.SUCCESS, "成功", data);
} public static AjaxResult buildFailResult(String message) {
return buildResult(ResultCode.FAIL, message, null);
} public static AjaxResult buildResult(ResultCode resultCode, String message, Object data) {
return buildResult(resultCode.code, message, data);
} public static AjaxResult buildResult(int resultCode, String message, Object data) {
return new AjaxResult(resultCode, message, data);
}
}