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springboot apollo Springboot apollo原理及使用方法详解

KoMiles 人气:0

文章背景

如果在spring boot中接入apollo官方文档:https://github.com/ctripcorp/apollo/wiki使用官方的apollo

演示环境(Demo):

106.54.227.205账号/密码:apollo/admin

添加配置

spring-boot中如何使用

pom.xml中添加配置

<dependency>
  <groupId>com.ctrip.framework.apollo</groupId>
  <artifactId>apollo-client</artifactId>
  <version>1.1.0</version>
</dependency>

配置文件中添加apollo地址

app:
 id: komiles
apollo:
 meta: http://106.54.227.205:8080
 bootstrap:
  enabled: true
  namespaces: application

启动类中添加代码

添加@EnableApolloConfig注解

package com.example.apollodemo;
 
import com.ctrip.framework.apollo.spring.annotation.EnableApolloConfig;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
 
@SpringBootApplication
@EnableApolloConfig
@MapperScan("com.example.apollodemo.mapper")
public class ApolloDemoApplication {
 
  public static void main(String[] args) {
    SpringApplication.run(ApolloDemoApplication.class, args);
    System.out.println("============ apollo demo application end =============");
  }
}

controller类新增文件

ApolloController.java

package com.example.apollodemo.controller;
 
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
/**
 * @author komiles@163.com
 * @date 2020-05-06 17:28
 */
@RestController
@RequestMapping("/apollo")
public class ApolloController {
 
  @Value("${name}")
  private String name;
 
  @GetMapping("/name")
  public String name()
  {
    return name;
  }
}

可以读取到配置为kongming.

数据库配置如何使用?

同理,generatorConfig.xml中也可以读取数据库配置

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
    PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
    "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

<generatorConfiguration>
  <context id="mysqlTables" targetRuntime="MyBatis3">
    <commentGenerator>
      <property name="suppressDate" value="false"/>
      <property name="suppressAllComments" value="true"/>
    </commentGenerator>
    <!--目标数据库配置-->
    <jdbcConnection driverClass="com.mysql.jdbc.Driver"
        connectionURL="${spring.datasource.url}"
        userId="${spring.datasource.username}"
        password="${spring.datasource.password}" />
    <!-- 指定生成的类型为java类型,避免数据库中number等类型字段 -->
    <javaTypeResolver>
      <property name="forceBigDecimals" value="false"/>
    </javaTypeResolver>
    <!-- 生成model模型,对应的包,存放位置可以指定具体的路径,如/ProjectName/src,也可以使用MAVEN来自动生成 -->
    <javaModelGenerator targetPackage="com.example.apollodemo.dao" targetProject="src/main/java">
      <property name="enableSubPackages" value="false"/>
      <property name="trimStrings" value="true"/>
      <property name="immutable" value="false"/>
    </javaModelGenerator>
    <!--对应的xml mapper文件 -->

    <sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources/mybatis">
      <property name="enableSubPackages" value="false"/>
    </sqlMapGenerator>
    <!-- 对应的dao接口 -->
    <javaClientGenerator type="XMLMAPPER" targetPackage="com.example.apollodemo.mapper" targetProject="src/main/java">
      <property name="enableSubPackages" value="false"/>
    </javaClientGenerator>
    <!--定义需要操作的表及对应的DTO名称-->
    <table tableName="t_user" domainObjectName="User"/>
  </context>
</generatorConfiguration>

项目demo地址https://github.com/KoMiles/spring-example/tree/master/apollo-demo

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