SpringCloud服务接口(api)
SpringCloud的服务接口基本等同于SpringBoot开发的api接口
只不过在springCloud需要将自己的服务注册到注册中心，通过网关统一访问路径
一个简单的api接口
- pom.xml
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<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>com.springcloud.demo</groupId> <artifactId>eureka-user</artifactId> <version>dev</version> <packaging>jar</packaging>
<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.7.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent>
<properties> <!--main方法类 --> <start-class>com.cc.yonyou.rndealer.BootMain</start-class> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> <spring-cloud.version>Dalston.SR4</spring-cloud.version> <!-- 同该版本feign集成需要swagger 2.5.0版本以上 --> <swagger.version>2.5.0</swagger.version> </properties>
<dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-eureka</artifactId> </dependency>
<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-feign</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-hystrix-dashboard</artifactId> </dependency>
<!--base64加密解密 --> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.10</version> </dependency>
<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-eureka</artifactId> </dependency>
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.1.1</version> </dependency> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.2</version> <scope>compile</scope> <optional>true</optional> </dependency>
<dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger-ui</artifactId> <version>2.2.2</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.25</version> </dependency> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>2.2.2</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.25</version> </dependency>
<dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.20</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.12</version> </dependency> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>4.1.6</version> </dependency>
<!-- Swagger --> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>${swagger.version}</version> </dependency> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger-ui</artifactId> <version>${swagger.version}</version> </dependency>
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-redis</artifactId> <version>1.3.8.RELEASE</version> </dependency>
<dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.20</version> </dependency> </dependencies>
<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> </dependencies> </dependencyManagement>
<build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> <!--打包跳过测试插件--> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <configuration> <skip>true</skip> </configuration> </plugin> </plugins> </build>
</project> |
- application.properties
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#eureka spring.application.name = user server.port=12003 eureka.client.serviceUrl.defaultZone=http://localhost:12000/eureka/ feign.hystrix.enabled=true
#mybatis mybatis.type-aliases-package=com.springcloud.demo.domain mybatis.mapper-locations=classpath*:/mapper/*Mapper.xml mybatis.configuration.map-underscore-to-camel-case=true mybatis.configuration.use-generated-keys=true mybatis.configuration.default-fetch-size=100 mybatis.configuration.default-statement-timeout=30
#datasource spring.datasource.username=root spring.datasource.password=mysql spring.datasource.driver-class-name=com.mysql.jdbc.Driver spring.datasource.url=jdbc:mysql://localhost:3306/test
spring.datasource.initialSize=5 spring.datasource.minIdle=5 spring.datasource.maxActive=20 spring.datasource.maxWait=60000 spring.datasource.timeBetweenEvictionRunsMillis=60000 spring.datasource.validationQuery=SELECT 1 spring.datasource.testWhileIdle=true spring.datasource.testOnBorrow=false spring.datasource.testOnReturn=false spring.datasource.poolPreparedStatements=true spring.datasource.maxPoolPreparedStatementPerConnectionSize=20 spring.datasource.filters=stat spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000 |
- BootMain.java
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package com.springcloud.demo;
import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.client.discovery.EnableDiscoveryClient; import org.springframework.cloud.netflix.feign.EnableFeignClients; import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard; import org.springframework.scheduling.annotation.EnableScheduling; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping;
import springfox.documentation.annotations.ApiIgnore; import springfox.documentation.swagger2.annotations.EnableSwagger2;
@Controller @SpringBootApplication @ApiIgnore @EnableScheduling @EnableDiscoveryClient @EnableFeignClients @EnableSwagger2 @EnableHystrixDashboard public class BootMain { public static void main(String[] args) { SpringApplication.run(BootMain.class, args); }
@RequestMapping("/help") public String help() { return "redirect:swagger-ui.html"; }
} |
- api接口uers.java
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package com.springcloud.demo.api;
import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RestController;
@RestController public class UserApi { @RequestMapping(value="/test",method=RequestMethod.GET) public String test() { return "Hello World"; } } |
基本代码与我们常写得api接口无异，只是在application.properties文件中添加了注册中心的路径
