Java微服务实战项目尚融宝接口创建详解
作者:一个风轻云淡
需求
积分等级CRUD列表和表单
一、创建父工程srb
- 创建SpringBoot项目
Group:com.atguigu
Artifact:srb
- 删除src目录
- 配置SpringBoot版本
<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.3.4.RELEASE</version> </parent>
- 配置pom依赖版本号
<properties> <java.version>1.8</java.version> <spring-cloud-alibaba.version>2.2.2.RELEASE</spring-cloud-alibaba.version> <spring-cloud.version>Hoxton.SR8</spring-cloud.version> <mybatis-plus.version>3.4.1</mybatis-plus.version> <velocity.version>2.0</velocity.version> <swagger.version>2.9.2</swagger.version> <swagger-bootstrap-ui.version>1.9.2</swagger-bootstrap-ui.version> <commons-lang3.version>3.9</commons-lang3.version> <commons-fileupload.version>1.3.1</commons-fileupload.version> <commons-io.version>2.6</commons-io.version> <alibaba.easyexcel.version>2.1.1</alibaba.easyexcel.version> <apache.xmlbeans.version>3.1.0</apache.xmlbeans.version> <fastjson.version>1.2.28</fastjson.version> <gson.version>2.8.2</gson.version> <json.version>20170516</json.version> <aliyun-java-sdk-core.version>4.3.3</aliyun-java-sdk-core.version> <aliyun-sdk-oss.version>3.10.2</aliyun-sdk-oss.version> <jodatime.version>2.10.1</jodatime.version> <jwt.version>0.7.0</jwt.version> <httpclient.version>4.5.1</httpclient.version> </properties>
- 配置pom依赖
<dependencyManagement> <dependencies> <!--Spring Cloud--> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>${spring-cloud.version}</version> <type>pom</type> <scope>import</scope> </dependency> <!--Spring Cloud Alibaba--> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-alibaba-dependencies</artifactId> <version>${spring-cloud-alibaba.version}</version> <type>pom</type> <scope>import</scope> </dependency> <!--mybatis-plus--> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>${mybatis-plus.version}</version> </dependency> <!--mybatis-plus 代码生成器--> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-generator</artifactId> <version>${mybatis-plus.version}</version> </dependency> <!-- Mybatis Plus 代码生成器模板引擎, --> <dependency> <groupId>org.apache.velocity</groupId> <artifactId>velocity-engine-core</artifactId> <version>${velocity.version}</version> </dependency> <!--swagger--> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>${swagger.version}</version> </dependency> <!--swagger ui--> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger-ui</artifactId> <version>${swagger.version}</version> </dependency> <!--swagger-bootstrap-ui--> <dependency> <groupId>com.github.xiaoymin</groupId> <artifactId>swagger-bootstrap-ui</artifactId> <version>${swagger-bootstrap-ui.version}</version> </dependency> <!--commons-lang3--> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>${commons-lang3.version}</version> </dependency> <!--文件上传--> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>${commons-fileupload.version}</version> </dependency> <!--commons-io--> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>${commons-io.version}</version> </dependency> <!--excel解析--> <dependency> <groupId>com.alibaba</groupId> <artifactId>easyexcel</artifactId> <version>${alibaba.easyexcel.version}</version> </dependency> <!--excel解析依赖--> <dependency> <groupId>org.apache.xmlbeans</groupId> <artifactId>xmlbeans</artifactId> <version>${apache.xmlbeans.version}</version> </dependency> <!--json--> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>${fastjson.version}</version> </dependency> <dependency> <groupId>org.json</groupId> <artifactId>json</artifactId> <version>${json.version}</version> </dependency> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> <version>${gson.version}</version> </dependency> <!--阿里云SDK远程调用--> <dependency> <groupId>com.aliyun</groupId> <artifactId>aliyun-java-sdk-core</artifactId> <version>${aliyun-java-sdk-core.version}</version> </dependency> <!--阿里云文件管理--> <dependency> <groupId>com.aliyun.oss</groupId> <artifactId>aliyun-sdk-oss</artifactId> <version>${aliyun-sdk-oss.version}</version> </dependency> <!--日期时间工具--> <dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version>${jodatime.version}</version> </dependency> <!--jwt工具--> <dependency> <groupId>io.jsonwebtoken</groupId> <artifactId>jjwt</artifactId> <version>${jwt.version}</version> </dependency> <!--httpclient--> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>${httpclient.version}</version> </dependency> </dependencies> </dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies>
二、创建模块guigu-common
1、创建Maven模块
在srb下创建普通maven模块
Group:com.atguigu
Artifact:guigu-common
2、配置pom
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!--lombok用来简化实体类:需要安装lombok插件--> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </dependency> </dependencies>
三、创建模块service-base
1、创建Maven模块
在srb下创建普通maven模块
Group:com.atguigu
Artifact:service-base
2、配置pom
注意:依赖guigu-common
<dependencies> <dependency> <groupId>com.atguigu</groupId> <artifactId>guigu-common</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <!--swagger--> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> </dependency> <!--swagger ui--> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger-ui</artifactId> </dependency> </dependencies>
四、创建模块service-core
1、创建Maven模块
在srb下创建普通maven模块
Group:com.atguigu
Artifact:service-core
2、配置pom
注意:依赖service-base
<dependencies> <dependency> <groupId>com.atguigu</groupId> <artifactId>service-base</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <!--mysql--> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <!--mybatis-plus--> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> </dependency> <!--mybatis-plus 代码生成器--> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-generator</artifactId> </dependency> <!-- Mybatis Plus 代码生成器模板引擎, --> <dependency> <groupId>org.apache.velocity</groupId> <artifactId>velocity-engine-core</artifactId> </dependency> </dependencies>
五、代码生成器
1、创建数据库
创建数据库srb_core
并执行sql脚本初始化数据结构和数据
2、创建代码生成器
在test目录中创建测试用例,并执行
public class CodeGenerator { @Test public void genCode() { // 1、创建代码生成器 AutoGenerator mpg = new AutoGenerator(); // 2、全局配置 GlobalConfig gc = new GlobalConfig(); String projectPath = System.getProperty("user.dir"); gc.setOutputDir(projectPath + "/src/main/java"); gc.setAuthor("Helen"); gc.setOpen(false); //生成后是否打开资源管理器 gc.setServiceName("%sService"); //去掉Service接口的首字母I gc.setIdType(IdType.AUTO); //主键策略 gc.setSwagger2(true);//开启Swagger2模式 mpg.setGlobalConfig(gc); // 3、数据源配置 DataSourceConfig dsc = new DataSourceConfig(); dsc.setUrl("jdbc:mysql://localhost:3306/srb_core?serverTimezone=GMT%2B8&characterEncoding=utf-8"); dsc.setDriverName("com.mysql.cj.jdbc.Driver"); dsc.setUsername("root"); dsc.setPassword("123456"); dsc.setDbType(DbType.MYSQL); mpg.setDataSource(dsc); // 4、包配置 PackageConfig pc = new PackageConfig(); pc.setParent("com.atguigu.srb.core"); pc.setEntity("pojo.entity"); //此对象与数据库表结构一一对应,通过 DAO 层向上传输数据源对象。 mpg.setPackageInfo(pc); // 5、策略配置 StrategyConfig strategy = new StrategyConfig(); strategy.setNaming(NamingStrategy.underline_to_camel);//数据库表映射到实体的命名策略 strategy.setColumnNaming(NamingStrategy.underline_to_camel);//数据库表字段映射到实体的命名策略 strategy.setEntityLombokModel(true); // lombok strategy.setLogicDeleteFieldName("is_deleted");//逻辑删除字段名 strategy.setEntityBooleanColumnRemoveIsPrefix(true);//去掉布尔值的is_前缀(确保tinyint(1)) strategy.setRestControllerStyle(true); //restful api风格控制器 mpg.setStrategy(strategy); // 6、执行 mpg.execute(); } }
// 5、策略配置
StrategyConfig strategy = new StrategyConfig(); strategy.setNaming(NamingStrategy.underline_to_camel);//数据库表映射到实体的命名策略
strategy.setColumnNaming(NamingStrategy.underline_to_camel);//数据库表字段映射到实体的命名策略
strategy.setEntityLombokModel(true); // lombok
strategy.setLogicDeleteFieldName("is_deleted");//逻辑删除字段名
strategy.setEntityBooleanColumnRemoveIsPrefix(true);//去掉布尔值的is_前缀(确保tinyint(1))
strategy.setRestControllerStyle(true); //restful api风格控制器
mpg.setStrategy(strategy);
六、启动应用程序
1、创建application.yml
server:
port: 8110 # 服务端口
spring:
profiles:
active: dev # 环境设置
application:
name: service-core # 服务名
datasource: # mysql数据库连接
type: com.zaxxer.hikari.HikariDataSource
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/srb_core?serverTimezone=GMT%2B8&characterEncoding=utf-8
username: root
password: 123456
mybatis-plus: #mybatis
configuration:
log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
mapper-locations: classpath:com/atguigu/srb/core/mapper/xml/*.xml
2、创建SpringBoot配置文件
在service-core中创建config包,创建MybatisPlusConfig类
@Configuration @MapperScan("com.atguigu.srb.core.mapper") @EnableTransactionManagement //事务处理 public class MybatisPlusConfig { @Bean public MybatisPlusInterceptor mybatisPlusInterceptor() { MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor(); interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));//分页 return interceptor; } }
3、创建SpringBoot启动类
注意:扫描com.atguigu.srb
@SpringBootApplication @ComponentScan({"com.atguigu.srb"}) public class ServiceCoreApplication { public static void main(String[] args) { SpringApplication.run(ServiceCoreApplication.class, args); } }
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