寫(xiě)在開(kāi)始:一個(gè)搬磚程序員的隨緣記錄
一、SpringBoot項(xiàng)目的搭建
項(xiàng)目搭建傳送門(mén)：從零開(kāi)始，SpringBoot項(xiàng)目快速搭建
二、數(shù)據(jù)庫(kù)配置
1、新建數(shù)據(jù)庫(kù)
在本地mysql數(shù)據(jù)庫(kù)新建庫(kù)，庫(kù)名：vue_demo，（數(shù)據(jù)庫(kù)名字可自行更改，更改完記得在pom.xml中也同步更改）
2、新建用戶(hù)表
CREATE TABLE `user` (
`id` int(11) NOT NULL,
`username` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
`password` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
三、SpringBoot項(xiàng)目的配置
項(xiàng)目結(jié)構(gòu)
下面是具體文件的代碼
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 https://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>2.5.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.cn</groupId>
<artifactId>vue_demo</artifactId>
<version>0.0.1-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>
<skipTests>true</skipTests>
<druid.version>1.1.10</druid.version>
<mysql-connector.version>8.0.16</mysql-connector.version>
<mybatis-plus.version>3.3.2</mybatis-plus.version>
</properties>
<dependencies>
<!--SpringBoot通用依賴(lài)模塊-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!--SpringBoot校驗(yàn)框架-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<!--集成druid連接池-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>${druid.version}</version>
</dependency>
<!--Mysql數(shù)據(jù)庫(kù)驅(qū)動(dòng)-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql-connector.version}</version>
</dependency>
<!--lombok依賴(lài)-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<!--SpringBoot配置處理-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<!--MyBatis Plus 依賴(lài)-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>${mybatis-plus.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
返回實(shí)體類(lèi)封裝ResultBody
ResultBody.java
package com.cn.vuedemo.entity;
/**
* 請(qǐng)求
*
* @author demo
*/
public class ResultBody<T> {
/**
* 響應(yīng)碼
*/
private int code;
/**
* 消息
*/
private String message;
/**
* 數(shù)據(jù)
*/
private T data;
public ResultBody(int code, String message, T data) {
this.code = code;
this.message = message;
this.data = data;
}
public ResultBody(String message) {
this.code = 200;
this.message = message;
}
public ResultBody(int code, String message) {
this.code = code;
this.message = message;
}
public ResultBody(T data) {
this.code = 200;
this.message = "請(qǐng)求成功";
this.data = data;
}
public ResultBody(int code) {
this.code = code;
this.message = "請(qǐng)求成功";
}
public int getCode() {
return code;
}
public void setCode(int code) {
this.code = code;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
}
用戶(hù)實(shí)體類(lèi)
User.java
package com.cn.vuedemo.entity;
import lombok.Data;
/**
* @author demo
* @date 2023/07/31 11:18
*/
@Data
public class User {
/**
* id
* */
private Integer id;
/**
* 賬號(hào)
* */
private String username;
/**
* 密碼
* */
private String password;
}
登錄方法入?yún)?br> LoginReq.java
package com.cn.vuedemo.model.request;
import lombok.Data;
/**
* @author demo
* @since 2023/07/31 11:18
*/
@Data
public class LoginReq {
/**
* 賬號(hào)
* */
private String username;
/**
* 密碼
* */
private String password;
}
service
UserService.java
package com.cn.vuedemo.service;
import com.cn.vuedemo.entity.User;
import com.cn.vuedemo.model.request.LoginReq;
import java.util.List;
/**
* @author demo
* @since 2023/07/31 11:18
*/
public interface UserService {
/**
* 登錄
*
* @param loginReq loginReq
* @return com.cn.vuedemo.entity.User
* @author demo
* @since 2023/07/31 11:18
*/
User login(LoginReq loginReq);
}
service實(shí)現(xiàn)
UserServiceImpl.java
package com.cn.vuedemo.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.cn.vuedemo.entity.User;
import com.cn.vuedemo.mapper.UserMapper;
import com.cn.vuedemo.model.request.LoginReq;
import com.cn.vuedemo.service.UserService;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
/**
* @author demo
* @since 2023/07/31 11:18
*/
@Service
@RequiredArgsConstructor
public class UserServiceImpl implements UserService {
private final UserMapper userMapper;
@Override
public User login(LoginReq loginReq) {
QueryWrapper<User> queryWrapper = new QueryWrapper<>();
queryWrapper.lambda().eq(User::getUsername, loginReq.getUsername())
.eq(User::getPassword, loginReq.getPassword());
User user = userMapper.selectOne(queryWrapper);
return user;
}
}
mapper
UserMapper.java
package com.cn.vuedemo.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.cn.vuedemo.entity.User;
import org.apache.ibatis.annotations.Mapper;
/**
* @author demo
* @since 2023/07/31 11:18
*/
@Mapper
public interface UserMapper extends BaseMapper<User> {
}
控制層controller
LoginController.java文章來(lái)源：http://www.zghlxwxcb.cn/news/detail-647191.html
package com.cn.vuedemo.controller;
import com.cn.vuedemo.entity.ResultBody;
import com.cn.vuedemo.entity.User;
import com.cn.vuedemo.model.request.LoginReq;
import com.cn.vuedemo.service.UserService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import java.util.List;
import java.util.Objects;
/**
* @author demo
* @date 2023/07/31 11:18
*/
@RestController
@Slf4j
@RequestMapping("/user")
@RequiredArgsConstructor
public class LoginController {
private final UserService userService;
/**
* 登陸
*
* @param loginReq loginReq
* @return com.cn.vuedemo.entity.ResultBody
* @author demo
* @since 2023/7/31
*/
@PostMapping(value = "/login")
public ResultBody login(@RequestBody LoginReq loginReq) {
log.info("loginReq:" + loginReq);
User user = userService.login(loginReq);
if (Objects.isNull(user)) {
return new ResultBody(500, "密碼不正確");
}
return new ResultBody(user);
}
}
Over文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-647191.html
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