add Sharding-JDBC

Author: mouday

README.md

@@ -31,6 +31,7 @@ github:
 | [SpringBoot-MyBaits-PageHelper](SpringBoot-MyBaits-PageHelper) | Spring-Boot 分页实现 |
 | [SpringBoot-MyBatis-JPA](SpringBoot-MyBatis-JPA/README.md)  | Spring-Boot JPA |
 | [SpringBoot-MyBatis-Plus](SpringBoot-MyBatis-Plus/README.md)  | SpringBoot MyBatis-Plus |
+| [SpringBoot-Sharding-JDBC](SpringBoot-Sharding-JDBC/README.md)  | 数据库读写分离 |
 |[SpringBoot-ElasticSearch](SpringBoot-ElasticSearch/README.md) | SpringBoot ElasticSearch |
 |[SpringBoot-EasyExcel](SpringBoot-EasyExcel/README.md)  | SpringBoot-EasyExcel |
 |[SpringBoot-Captcha](SpringBoot-Captcha/README.md)  | 图片验证码 |

SpringBoot-Sharding-JDBC/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

SpringBoot-Sharding-JDBC/README.md

@@ -0,0 +1,5 @@
+# SpringBoot Sharding-JDBC
+
+
+
+[Sharding-Jdbc 实现读写分离 + 分库分表，写得太好了！](https://mp.weixin.qq.com/s/gakwUKWB_WTqhMS2cMo_jw)

SpringBoot-Sharding-JDBC/pom.xml

@@ -0,0 +1,68 @@
+<?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>2.7.7</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.example</groupId>
+	<artifactId>demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>demo</name>
+	<description>Demo project for Spring Boot</description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.baomidou</groupId>
+			<artifactId>mybatis-plus-boot-starter</artifactId>
+			<version>3.5.2</version>
+		</dependency>
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.shardingsphere</groupId>
+			<artifactId>sharding-jdbc-spring-boot-starter</artifactId>
+			<version>4.0.0</version>
+		</dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</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>
+				<configuration>
+					<excludes>
+						<exclude>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok</artifactId>
+						</exclude>
+					</excludes>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

SpringBoot-Sharding-JDBC/src/main/java/com/example/demo/Application.java

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+package com.example.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+}

SpringBoot-Sharding-JDBC/src/main/java/com/example/demo/controller/UserController.java

@@ -0,0 +1,29 @@
+package com.example.demo.controller;
+
+import com.example.demo.entity.User;
+import com.example.demo.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/user")
+public class UserController {
+
+    @Autowired
+    private UserService userService;
+
+    @PostMapping("/addUser")
+    public User addUser(@RequestBody User user){
+        System.out.println(user);
+        userService.save(user);
+
+        return user;
+    }
+
+    @GetMapping("/getUserById/{id}")
+    public User getUserById(@PathVariable Long id){
+        User user = userService.getById(id);
+        user.setId(14L);
+        return user;
+    }
+}

SpringBoot-Sharding-JDBC/src/main/java/com/example/demo/entity/User.java

@@ -0,0 +1,12 @@
+package com.example.demo.entity;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class User implements Serializable {
+    private Long id;
+    private String name;
+    private Integer age;
+}

SpringBoot-Sharding-JDBC/src/main/java/com/example/demo/mapper/UserMapper.java

@@ -0,0 +1,9 @@
+package com.example.demo.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.example.demo.entity.User;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface UserMapper extends BaseMapper<User> {
+}

SpringBoot-Sharding-JDBC/src/main/java/com/example/demo/service/UserService.java

@@ -0,0 +1,7 @@
+package com.example.demo.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.example.demo.entity.User;
+
+public interface UserService extends IService<User> {
+}

SpringBoot-Sharding-JDBC/src/main/java/com/example/demo/service/impl/UserServiceImpl.java

@@ -0,0 +1,13 @@
+package com.example.demo.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.example.demo.entity.User;
+import com.example.demo.mapper.UserMapper;
+import com.example.demo.service.UserService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class UserServiceImpl
+        extends ServiceImpl<UserMapper, User>
+        implements UserService {
+}