5分钟快速上手Spring Boot

<?xml version= "1.0" encoding= "utf-8" ?>

<project xmlns= "http://maven.apache.org/pom/4.0.0" xmlns:xsi= "http://HdhCmsTestw3.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>

   <parent>

     <groupid>org.springframework.boot</groupid>

     <artifactid>spring-boot-starter-parent</artifactid>

     <version> 2.1 . 3 .release</version>

     <relativepath/> <!-- lookup parent from repository -->

   </parent>

   <groupid>com.example</groupid>

   <artifactid>demo</artifactid>

   <version> 0.0 . 1 -snapshot</version>

   <name>demo</name>

   <description>demo project for spring boot</description>

   <properties>

     <java.version> 1.8 </java.version>

   </properties>

   <dependencies>

     <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>

package com.example.demo.controller;

import org.springframework.web.bind.annotation.requestmapping;

import org.springframework.web.bind.annotation.restcontroller;

/**

  * @author zzs

  */

@restcontroller

public class helloworldcontroller {

     @requestmapping

     public string hello() {

         return "hello world!" ;

     }

}

package com.example.demo;

import com.example.demo.controller.helloworldcontroller;

import org.junit.before;

import org.junit.test;

import org.junit.runner.runwith;

import org.springframework.boot.test.context.springboottest;

import org.springframework.http.mediatype;

import org.springframework.test.context.junit4.springrunner;

import org.springframework.test.web.servlet.mockmvc;

import org.springframework.test.web.servlet.request.mockmvcrequestbuilders;

import org.springframework.test.web.servlet.setup.mockmvcbuilders;

import static org.hamcrest.core.isequal.equalto;

import static org.springframework.test.web.servlet.result.mockmvcresultmatchers.content;

import static org.springframework.test.web.servlet.result.mockmvcresultmatchers.status;

@runwith (springrunner. class )

@springboottest

public class demoapplicationtests {

     private mockmvc mockmvc;

     @before

     public void init() {

         mockmvc = mockmvcbuilders.standalonesetup( new helloworldcontroller()).build();

     }

     @test

     public void testhello() throws exception {

         mockmvc.perform(mockmvcrequestbuilders.get( "/hello" ).accept(mediatype.application_json))

                 .andexpect(status().isok())

                 .andexpect(content().string(equalto( "hello world!" )));

     }

}