我的第一个基于springboot的接口

首先我用的是开发工具是idea,(eclipse)应该是同理的。

1,开始:

下一步,然后finishi;

2,配置文件,不用修改,暂时默认就好

<?xml version="1.0" encoding="UTF-8"?>
<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.example</groupId>
   <artifactId>demo</artifactId>
   <version>0.0.1-SNAPSHOT</version>
   <packaging>jar</packaging>

   <name>demo</name>
   <description>Demo project for Spring Boot</description>

   <parent>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-parent</artifactId>
      <version>2.0.0.RELEASE</version>
      <relativePath/> <!-- lookup parent from repository -->
   </parent>

   <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
      <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
      <java.version>1.8</java.version>
   </properties>

   <dependencies>
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
      </dependency>
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-web</artifactId>
      </dependency>

      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-test</artifactId>
         <scope>test</scope>
      </dependency>
   </dependencies>

   <build>
      <plugins>
         <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
         </plugin>
      </plugins>
   </build>


</project>

3,在之前设定的Package下进行文件的新建(若不在此目录下,Controller层的RequestMapping将捕获不到请求)

新建一个Controller类,MainController.

package com.example.demo;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * Created by gzj on 18/3/6.
 */
@Controller
@RequestMapping("/service")
public class MainController {

    @RequestMapping(value = "/report/spiderList", method = RequestMethod.GET)
    @ResponseBody
    @CrossOrigin
    public void spiderLisSearch() {
        int a = 0;
    }

    @RequestMapping(value = "/report/general", method = RequestMethod.POST)
    @ResponseBody
    @CrossOrigin
    public void generalSearch(@RequestBody  String name) {
        int a = 0;
    }
}

3,用postman发送一个请求

代码将会捕获到这个请求。

遇见的坑:

1,新建的类一定要放在Package(第二张截图)指定的目录下。

2,若想用实体类来接受参数,类中一定要有set(),get()方法,否则无法接受参数

3,

@CrossOrigin

这个是跨域时需要加的,以后会解释

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转载自my.oschina.net/u/3796880/blog/1634165