# Java后端开发手册

### 技术栈介绍

核心框架：spring boot 2.1.2.RELEASE

安全框架： spring security 2.1.2.RELEASE

注册中心：eureka

网关：spring cloud gateway

服务监控：spring boot admin

请求链追踪：zipkin-server 2.12.0

服务间调用：feign  10.1.0

http框架：okhttp3

表单校验： hibernate-validator 6.0.14.Final

数据库连接池：druid 1.1.10

持久层：mybatis 3.4.6

缓存框架：spring-data-redis 2.1.4.RELEASE、lettuce 5.1.3.RELEASE

日志管理：logback 1.2.3、slf4j 1.7.25

定时任务：quartz 2.3.0

工作流引擎：flowable 6.4.1

消息队列：rocketMQ

性能测试框架：contiperf 2.3.4

验证码：kaptcha 2.3.2

配置文件加密：jasypt 2.1.1

工具类：lombok 1.18.2、joda-time 2.10.1、easyexcel 1.1.2-beta5、commons-lang3 3.3.2、pinyin4j 2.5.1、pagehelper 5.1.8、swagger 2.9.2

### 基础环境

操作系统：Ubuntu 18.04.1 LTS

代码仓库：Git 2.17.1

发版构建工具：Jenkins ver. 2.150.1、JDK 1.8.0_191、Maven 3.6.0

接口文档管理：YApi 1.4.3、Swagger 2.9.2

Maven私服：Nexus 3.15.2-01

### 代码生成器介绍

项目：wisdom-generator

使用spring boot + velocity模板引擎实现，根据已设计好的表结构，完成dao、service、controller三层代码自动生成，并同时生成swagger文档以及基础的表单校验

### 项目工程介绍

##### 框架

* wisdom-common （共通包，共通配置、工具类、通用bean） http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-common.git
* wisdom-ds （动态数据源）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-ds.git
* wisdom-monitor （spring cloud服务监控）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-monitor.git
* wisdom-track （服务调用链追踪）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-track.git
* wisdom-gateway （服务网关）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-gateway.git
* wisdom-center （服务注册中心）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-center.git
* wisdom-parent （父pom，管理依赖包版本）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-parent.git

##### 业务

* wisdom-asset （资产管理系统）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-asset.git
* wisdom-bill （账单管理系统）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-bill.git
* wisdom-platform （平台系统）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-platform.git
* wisdom-serve （物业服务系统）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-serve.git
* wisdom-payment （支付网关）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-payment.git
* wisdom-auth （授权中心）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-auth.git
* wisdom-flow （工作流模块）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-flow.git
* wisdom-push （推送系统）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-push.git
* wisdom-file （文件系统）http://139.159.196.162:3000/WisdomCity-JAVA/wisdom-file.git

### 开发步骤

1. 原型评估

2. 接口设计及接口文档编写

3. 数据库表设计

4. 代码生成

5. 代码编写完善

6. 功能发版

7. 与前端联调

8. 交付测试，bug跟踪

   

### 项目工程基础配置

##### maven私服配置

```xml
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
  <localRepository>D:/usr/bin/Java/apache-maven-3.5.2/maven-dependcies</localRepository>
  <pluginGroups>
  </pluginGroups>
  <proxies>
  </proxies>
  <servers>
    <!-- 智慧城私服 -->
	<server>
      <id>wisdom</id>
      <username>admin</username>
      <password>WisdomCity@2019</password>
    </server>
  </servers>
  <mirrors>
	<!-- 智慧城私服 -->
	<mirror>
        <id>wisdom</id>
        <mirrorOf>central</mirrorOf>
        <url>http://139.159.210.228:8081/repository/maven-public/</url>
    </mirror>
	<!-- 智慧城私服 -->
	<mirror>
        <id>spring</id>
        <mirrorOf>spring-milestones</mirrorOf>
        <url>http://139.159.210.228:8081/repository/spring-milestones/</url>
    </mirror>
  </mirrors>
  <profiles>
	<profile>
     <id>wisdom</id>
     <repositories>
       <repository>
         <id>central</id>
         <url>http://central</url>
         <releases>
           <enabled>true</enabled>
         </releases>
         <snapshots>
           <enabled>true</enabled>
		   <updatePolicy>always</updatePolicy>
           <checksumPolicy>warn</checksumPolicy>
         </snapshots>
       </repository>
     </repositories>
     <pluginRepositories>
       <pluginRepository>
         <id>central</id>
         <url>http://central</url>
         <releases>
           <enabled>true</enabled>
         </releases>
         <snapshots>
           <enabled>true</enabled>
		   <updatePolicy>always</updatePolicy>
           <checksumPolicy>warn</checksumPolicy>
         </snapshots>
       </pluginRepository>
     </pluginRepositories>
   </profile>
   <profile>
      <id>spring-milestones</id>
      <repositories>
        <repository>
          <id>spring-milestones</id>
          <url>https://spring</url>
          <releases>
            <enabled>true</enabled>
          </releases>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <id>spring-milestones</id>
          <url>https://spring</url>
          <releases>
            <enabled>true</enabled>
          </releases>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
        </pluginRepository>
      </pluginRepositories>
    </profile>
  </profiles>
  <activeProfiles>
    <activeProfile>wisdom</activeProfile>
    <activeProfile>spring-milestones</activeProfile>
  </activeProfiles>
</settings>
```

##### pom配置

```xml
   <parent>
        <groupId>com.wisdom</groupId>
        <artifactId>wisdom-cloud-parent</artifactId>
        <version>1.0.0-SNAPSHOT</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>


	<build>
        <finalName>wisdom-platform</finalName>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
```

##### SwaggerConfig

```java
@Configuration
@EnableSwagger2
public class SwaggerConfig {
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.wisdom.xxx.web"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("xxx系统")
                .description("xxx系统")
                .termsOfServiceUrl("http://wuye.huiguanjia.cn")
                .version("1.0")
                .build();
    }
}
```

##### 开发约定

详见：[Java开发约定]：http://doc.huiguanjia.cn/markdown/content/router?filePath=/tmp/docs/develop/规范/Java后端/Java后端开发规范.md&code=null