springcloud 父类 pom.xml

父类：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>cn.dingyi</groupId>    <artifactId>microservice-cloud-01</artifactId>    <version>1.0-SNAPSHOT</version>    <modules>        <module>../microservice-cloud-02-api</module>        <module>../microvice-cloud-03-provider-product8001</module>    </modules>    <!--手动指定pom-->    <packaging>pom</packaging>    <!--springboot版本  2.0.7-->    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>2.0.7.RELEASE</version>    </parent>    <properties>        <project.build.sourceEncoding>utf-8</project.build.sourceEncoding>        <maven.compiler.source>1.8</maven.compiler.source>        <maven.compiler.target>1.8</maven.compiler.target>        <junit.version>4.12</junit.version>        <!--spring Cloud  最新的稳定版  Finchley SR2-->        <spring-cloud.version>Finchley.SR2</spring-cloud.version>    </properties>    <!--依赖声明--> <dependencyManagement>    <dependencies>        <dependency>            <groupId>org.springframework.cloud</groupId>            <artifactId>spring-cloud-dependencies</artifactId>            <version>${spring-cloud.version}</version>            <type>pom</type>            <scope>import</scope>        </dependency>        <dependency>            <groupId>org.mybatis.spring.boot</groupId>            <artifactId>mybatis-spring-boot-starter</artifactId>            <version>1.3.2</version>        </dependency>        <!--数据源-->        <dependency>            <groupId>com.alibaba</groupId>            <artifactId>druid</artifactId>            <version>1.1.12</version>        </dependency>        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>            <version>8.0.13</version>        </dependency>        <dependency>            <groupId>junit</groupId>            <artifactId>junit</artifactId>            <version>${junit.version}</version>        </dependency>    </dependencies> </dependencyManagement></project>子类1:   实体类：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"><parent>    <artifactId>microservice-cloud-01</artifactId>    <groupId>cn.dingyi</groupId>    <version>1.0-SNAPSHOT</version>    <relativePath>../microservice-cloud-01/pom.xml</relativePath></parent>    <modelVersion>4.0.0</modelVersion>

    <groupId>cn.dingyi</groupId>    <artifactId>microservice-cloud-02-api</artifactId>    <version>1.0-SNAPSHOT</version>

<properties>    <maven.compiler.source>1.8</maven.compiler.source>    <maven.compiler.target>1.8</maven.compiler.target></properties></project>

java包下建实体类:

package cn.dingyi.springcloud.entities;

import java.io.Serializable;

/** * author:dingyi * time:2019/8/26 0026 17:09 */public class Product implements Serializable {private Long pid;private String productName;private String dbSource;

    public Product(String productName) {        this.productName = productName;    }

    public Product() {

    }    public Product(Long pid, String productName, String dbSource) {        this.pid = pid;        this.productName = productName;        this.dbSource = dbSource;    }

    public Long getPid() {        return pid;    }

    public void setPid(Long pid) {        this.pid = pid;    }

    public String getProductName() {        return productName;    }

    public void setProductName(String productName) {        this.productName = productName;    }

    public String getDbSource() {        return dbSource;    }

    public void setDbSource(String dbSource) {        this.dbSource = dbSource;    }}子类2：  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">    <parent>        <artifactId>microservice-cloud-01</artifactId>        <groupId>cn.dingyi</groupId>        <version>1.0-SNAPSHOT</version>        <relativePath>../microservice-cloud-01/pom.xml</relativePath>    </parent>    <modelVersion>4.0.0</modelVersion>

    <groupId>cn.dingyi</groupId>    <artifactId>microvice-cloud-03-provider-product8001</artifactId>    <version>1.0-SNAPSHOT</version>

    <dependencies>        <dependency>            <groupId>cn.dingyi</groupId>            <artifactId>microservice-cloud-02-api</artifactId>            <version>${project.version}</version>        </dependency>        <!--springboot web启动器-->        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</artifactId>        </dependency>        <!--导入 mybatis 启动器-->        <dependency>            <groupId>org.mybatis.spring.boot</groupId>            <artifactId>mybatis-spring-boot-starter</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-test</artifactId>        </dependency>        <dependency>            <groupId>junit</groupId>            <artifactId>junit</artifactId>        </dependency>        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>            <version>8.0.13</version>        </dependency>        <dependency>            <groupId>com.alibaba</groupId>            <artifactId>druid</artifactId>        </dependency>    </dependencies>  <properties>        <maven.compiler.source>1.8</maven.compiler.source>        <maven.compiler.target>1.8</maven.compiler.target>  </properties></project>java包:   mapper:

package cn.dingyi.springcloud.mapper;import cn.dingyi.springcloud.entities.Product;

import java.util.List;

/** * author:dingyi * time:2019/8/27 0027 10:58 *///@Mapper//如果不写可以   必须在启动类上@MapperScanpublic interface ProductMapper {    Product findById(Long pid);    List<Product> findAll();    boolean addProduct(Product product);}

service:

package cn.dingyi.springcloud.Service;

import cn.dingyi.springcloud.entities.Product;

import java.util.List;

/** * author:dingyi * time:2019/8/27 0027 15:35 */public interface ProductService {    Product findById(Long pid);    List<Product> findAll();    boolean addProduct(Product product);}

serviceimpl:

package cn.dingyi.springcloud.Service.impl;

import cn.dingyi.springcloud.Service.ProductService;import cn.dingyi.springcloud.entities.Product;import cn.dingyi.springcloud.mapper.ProductMapper;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;

import java.util.List;

/** * author:dingyi * time:2019/8/27 0027 15:36 */@Servicepublic class ProductServiceImpl implements ProductService {@Autowiredprivate ProductMapper productMapper;    @Override    public Product findById(Long pid) {        return productMapper.findById(pid);    }

    @Override    public List<Product> findAll() {        return productMapper.findAll();    }

    @Override    public boolean addProduct(Product product) {        return productMapper.addProduct(product);    }}

controller:

package cn.dingyi.springcloud.controller;

import cn.dingyi.springcloud.Service.ProductService;import cn.dingyi.springcloud.entities.Product;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.*;

import java.util.List;

/** * author:dingyi * time:2019/8/27 0027 15:40 */@RestControllerpublic class ProductController {    @Autowired    private ProductService productService;

    @RequestMapping(value = "/product/get/{id}",method = RequestMethod.GET)    public Product get(@PathVariable("id")Long id){        return productService.findById(id);    }    @RequestMapping(value = "/product/get/list",method = RequestMethod.GET)    public List<Product> getAll(){        return productService.findAll();    }    @RequestMapping(value = "/product/add",method = RequestMethod.GET)    public boolean add(@RequestBody Product product){        return productService.addProduct(product);    }}

启动类：

package cn.dingyi.springcloud;

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

/** * author:dingyi * time:2019/8/27 0027 15:48 */@MapperScan("cn.dingyi.springcloud.mapper")@SpringBootApplicationpublic class ProductProvider_8001 {    public static void main(String[] args) {        SpringApplication.run(ProductProvider_8001.class,args);    }}

resources:　　application.yml

server:  port: 8001mybatis:  config-location: classpath:mybatis/mybatis.cfg.xml      #mybatis 配置文件路径  type-aliases-package: cn.dingyi.springcloud.entities      # entity别名类所在包  mapper-locations: classpath:mybatis/mapper/**/*.xmlspring:  application:    name: microservice-product #这个很重要，这在以后的服务与服务之间相互调用一般都是根据这个namename  datasource:    type: com.alibaba.druid.pool.DruidDataSource   # 当前数据源操作类型    driver-class-name: com.mysql.cj.jdbc.Driver    # mysql驱动包    url: jdbc:mysql://localhost:3306/springcloud_dd?serverTimezone=GMT%2B8  # 数据库名称    username: root    password: root    dbcp2:      min-idle: 5                                # 数据库连接池的最小维持连接数      initial-size: 5                            # 初始化连接数      max-total: 5                               # 最大连接数      max-wait-millis: 150                       # 等待连接获取的最大超时时间      #https://www.cnblogs.com/lijun6/p/11409694.html

　　　mybatis:　　　　　　mybatis.cfg.xml

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE configuration        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"        "http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration>    <settings>        <!--开启驼峰命名,一定是这个名，改一个字母 或大小写不一样 都启动不了-->        <setting name="mapUnderscoreToCamelCase" value="true"/>    </settings></configuration>

　　　　　　mybatis:　　　　　　　　mapper:　　　　　　　　　　productMapper.xml

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE mapper        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"        "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="cn.dingyi.springcloud.mapper.ProductMapper">    <select id="findById" resultType="Product" parameterType="Long">        select * from product where pid=#{pid};--          SELECT pid,product_name,db_--          source FROM  product where pid=#{pid};    </select>    <select id="findAll" resultType="Product">        select * from product;--         SELECT pid,product_name,db_source FROM  product;    </select>    <insert id="addProduct" parameterType="Product">        insert into product(productName,dbsource) values (#{productName},#{dbSource})--          INSERT INTO  product(product_name,db_source) VALUES(#{productName},#{dbSource})    </insert></mapper>

原文地址：https://www.cnblogs.com/dingyi-boss/p/11419227.html