增加 spring-boot + druid + mybatis 整合用例
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@ -47,14 +47,14 @@ spring-cloud：Finchley.SR2
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## 2. spring-boot samples
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| samples | 描述 | 官方文档 |
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| ------------------------------------------------------------ | ---------------------------------- | ------------------------------------------------------------ |
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| ------------------------------------------------------------ | ---------------------------------------------------------- | ------------------------------------------------------------ |
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| [spring-boot-base](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-base) | spring-boot 基础 | [spring boot 官方文档](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/)<br>[spring boot 中文官方文档](https://www.breakyizhan.com/springboot/3028.html) |
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| [spring-boot-yml-profile](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-yml-profile) | yml 语法和多配置切换 | [Using YAML Instead of Properties](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-external-config-yaml) |
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| [spring-boot-servlet](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-servlet) | 整合servlet 3.0 | [Embedded Servlet Container Support](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-embedded-container) |
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| [spring-boot-tomcat](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-tomcat) | spring-boot 整合外部容器（tomcat） | [Use Another Web Server](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#howto-use-another-web-server) |
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| [spring-boot-jsp](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-jsp) | spring-boot 整合 jsp | [JSP Limitations](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-jsp-limitations) |
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| spring-boot-jpa | spring-boot jpa 的使用 | [Spring Data JPA](https://docs.spring.io/spring-data/jpa/docs/2.1.3.RELEASE/reference/html/) |
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| spring-boot-mybatis | spring-boot 整合 mybatis | [Mybatis-Spring](http://www.mybatis.org/spring/zh/index.html)<br/>[Mybatis-Spring-Boot-Autoconfigure](http://www.mybatis.org/spring-boot-starter/mybatis-spring-boot-autoconfigure/) |
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| spring-boot-mybatis | spring-boot 整合 mybatis<br/>HikariDataSources数据源的配置 | [Mybatis-Spring](http://www.mybatis.org/spring/zh/index.html)<br/>[Mybatis-Spring-Boot-Autoconfigure](http://www.mybatis.org/spring-boot-starter/mybatis-spring-boot-autoconfigure/) |
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| spring-boot-druid-mybtais | spring-boot 整合druid、mybatis | [Alibaba druid](https://github.com/alibaba/druid/wiki/%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98) |
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| [spring-boot-redis](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-redis) | spring-boot 整合 redis | [Working with NoSQL Technologies](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-nosql) |
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| [spring-boot-mongodb](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring-boot/spring-boot-mongodb) | spring-boot 整合 mongodb | [Working with NoSQL Technologies](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-nosql) |
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66
spring-boot/spring-boot-druid-mybatis/pom.xml
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66
spring-boot/spring-boot-druid-mybatis/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.1.1.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.heibaiying</groupId>
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<artifactId>spring-boot-druid-mybatis</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>spring-boot-druid-mybatis</name>
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<description>druid-mybatis project for Spring Boot</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<!--spring 1.5 x 以上版本对应 mybatis 1.3.x (1.3.1)
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关于更多spring-boot 与 mybatis 的版本对应可以参见 <a href="http://www.mybatis.org/spring-boot-starter/mybatis-spring-boot-autoconfigure/">-->
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<dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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<version>1.3.2</version>
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</dependency>
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<!--引入mysql驱动-->
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<version>8.0.13</version>
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</dependency>
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<!--druid 依赖-->
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<dependency>
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<groupId>com.alibaba</groupId>
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<artifactId>druid-spring-boot-starter</artifactId>
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<version>1.1.10</version>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.heibaiying.springboot;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringBootDruidMybatisApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringBootDruidMybatisApplication.class, args);
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}
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}
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package com.heibaiying.springboot.bean;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import lombok.ToString;
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import java.util.Date;
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/**
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* @author : heibaiying
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* @description : 实体类
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*/
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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@ToString
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public class Programmer {
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private int id;
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private String name;
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private int age;
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private float salary;
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private Date birthday;
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public Programmer(String name, int age, float salary, Date birthday) {
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this.name = name;
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this.age = age;
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this.salary = salary;
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this.birthday = birthday;
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}
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}
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package com.heibaiying.springboot.controller;
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import com.alibaba.druid.stat.DruidStatManagerFacade;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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/**
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* @author : heibaiying
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* @description :在 Spring Boot 中可以通过 HTTP 接口将 Druid 监控数据以JSON 的形式暴露出去，
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* 实际使用中你可以根据你的需要自由地对监控数据、暴露方式进行扩展。
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*/
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@RestController
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public class DruidStatController {
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@GetMapping("/stat")
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public Object druidStat() {
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// DruidStatManagerFacade#getDataSourceStatDataList 该方法可以获取所有数据源的监控数据
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return DruidStatManagerFacade.getInstance().getDataSourceStatDataList();
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}
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}
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package com.heibaiying.springboot.controller;
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import com.alibaba.druid.stat.DruidStatManagerFacade;
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import com.heibaiying.springboot.bean.Programmer;
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import com.heibaiying.springboot.dao.ProgrammerDao;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.List;
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/**
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* @author : heibaiying
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*/
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@RestController
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public class ProgrammerController {
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@Autowired
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private ProgrammerDao programmerDao;
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@GetMapping("/programmers")
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public List<Programmer> get() {
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return programmerDao.selectAll();
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}
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}
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@ -0,0 +1,29 @@
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package com.heibaiying.springboot.dao;
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import com.heibaiying.springboot.bean.Programmer;
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import org.apache.ibatis.annotations.*;
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import java.util.List;
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/**
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* @author : heibaiying
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*/
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@Mapper
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public interface ProgrammerDao {
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@Select("select * from programmer")
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List<Programmer> selectAll();
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@Insert("insert into programmer (name, age, salary, birthday) VALUES (#{name}, #{age}, #{salary}, #{birthday})")
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void save(Programmer programmer);
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@Select("select * from programmer where name = #{id}")
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Programmer selectById(int id);
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@Update("update programmer set name=#{name},age=#{age},salary=#{salary},birthday=#{birthday} where id=#{id}")
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int modify(Programmer programmer);
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@Delete(" delete from programmer where id = #{id}")
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void delete(int id);
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}
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@ -0,0 +1,71 @@
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spring:
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datasource:
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url: jdbc:mysql://127.0.0.1:3306/mysql?useUnicode=true&characterEncoding=utf-8
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username: root
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password: root
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driver-class-name: com.mysql.cj.jdbc.Driver
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# 使用 druid 作为连接池 更多配置的说明可以参见 druid starter 中文文档 https://github.com/alibaba/druid/tree/master/druid-spring-boot-starter
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type: com.alibaba.druid.pool.DruidDataSource
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druid:
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# 初始化时建立物理连接的个数。初始化发生在显示调用init方法，或者第一次getConnection时
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initialSize: 5
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# 最小连接池数量
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minIdle: 5
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# 最大连接池数量
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maxActive: 10
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# 获取连接时最大等待时间，单位毫秒。配置了maxWait之后，缺省启用公平锁，并发效率会有所下降，如果需要可以通过配置useUnfairLock属性为true使用非公平锁。
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maxWait: 60000
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# Destroy线程会检测连接的间隔时间，如果连接空闲时间大于等于minEvictableIdleTimeMillis则关闭物理连接。
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timeBetweenEvictionRunsMillis: 60000
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# 连接保持空闲而不被驱逐的最小时间
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minEvictableIdleTimeMillis: 300000
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# 用来检测连接是否有效的sql 因数据库方言而差, 例如 oracle 应该写成 SELECT 1 FROM DUAL
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validationQuery: SELECT 1
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# 建议配置为true，不影响性能，并且保证安全性。申请连接的时候检测，如果空闲时间大于timeBetweenEvictionRunsMillis，执行validationQuery检测连接是否有效。
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testWhileIdle: true
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# 申请连接时执行validationQuery检测连接是否有效，做了这个配置会降低性能。
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testOnBorrow: false
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# 归还连接时执行validationQuery检测连接是否有效，做了这个配置会降低性能。
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testOnReturn: false
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# 是否自动回收超时连接
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removeAbandoned: true
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# 超时时间(以秒数为单位)
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remove-abandoned-timeout: 180
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# druid 监控的配置 如果不使用 druid 的监控功能的话 以下配置就不是必须的
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# 本项目监控台访问地址: http://localhost:8080/druid/login.html
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# WebStatFilter用于采集web-jdbc关联监控的数据。
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# 更多配置可参见: https://github.com/alibaba/druid/wiki/%E9%85%8D%E7%BD%AE_%E9%85%8D%E7%BD%AEWebStatFilter
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web-stat-filter:
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# 是否开启 WebStatFilter 默认是true
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enabled: true
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# 需要拦截的url
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url-pattern: /*
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# 排除静态资源的请求
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exclusions: "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"
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# Druid内置提供了一个StatViewServlet用于展示Druid的统计信息。
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# 更多配置可参见:https://github.com/alibaba/druid/wiki/%E9%85%8D%E7%BD%AE_StatViewServlet%E9%85%8D%E7%BD%AE
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stat-view-servlet:
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#是否启用StatViewServlet 默认值true
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enabled: true
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# 需要拦截的url
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url-pattern: /druid/*
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# 允许清空统计数据
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reset-enable: true
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login-username: druid
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login-password: druid
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# mybatis 相关配置
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mybatis:
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configuration:
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# 当没有为参数提供特定的 JDBC 类型时，为空值指定 JDBC 类型。
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# oracle数据库建议配置为JdbcType.NULL, 默认是Other
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jdbc-type-for-null: 'null'
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# 是否打印sql语句 调试的时候可以开启
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log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
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@ -0,0 +1,8 @@
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-- 建表语句
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create table if not exists programmer (
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id int primary key auto_increment,
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name varchar(20),
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age tinyint,
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salary float,
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birthday datetime
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)
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@ -0,0 +1,26 @@
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package com.heibaiying.springboot;
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import com.heibaiying.springboot.bean.Programmer;
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import com.heibaiying.springboot.dao.ProgrammerDao;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.context.junit4.SpringRunner;
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import java.util.List;
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@RunWith(SpringRunner.class)
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@SpringBootTest
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public class SpringBootDruidMybatisApplicationTests {
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@Autowired
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private ProgrammerDao programmerDao;
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@Test
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public void contextLoads() {
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List<Programmer> programmers = programmerDao.selectAll();
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programmers.forEach(System.out::println);
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}
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}
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