java Sprint boot 学习之一

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <spring.version>4.3.6.RELEASE</spring.version>
    <springboot.version>1.5.1.RELEASE</springboot.version>
  </properties>

<dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
      <version>${springboot.version}</version>

    </dependency>
  </dependencies>
  <build>
    <plugins>

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

    

    </plugins>
  </build>

主函数

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Properties;
import java.util.Stack;

/**
 * HelloController world!
 *
 */
@SpringBootApplication
public class App 
{
    public static void main( String[] args )
    {
        SpringApplication.run(App.class,args);

    }
}

3.Controller

package com.ppmoney.g2;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.ws.Action;

/**
 *
 */
@RestController
public class HelloController {
    //@GetMapping("/app/hello/{name}")
    @RequestMapping(value = "/app/hello", method = RequestMethod.GET)
    public String hello0( String name)
    {
        return "Hello "+name;
    }

    @RequestMapping(value = "/app/hello/{name}", method = RequestMethod.GET)
    public String hello1(@PathVariable String name)
    {
        return "Hello1 "+name;
    }

    @RequestMapping(value = "/app/hello2/{name}", method = RequestMethod.GET)
    public String hello2(HttpServletResponse response,@PathVariable String name)
    {
        response.setStatus(404);
        return "Hello2 "+name;
    }
}

4.application.properties

##服务器HTTP端口
server.port=9080

5.调用

http://localhost:9080/app/hello?name=sdfasd

http://localhost:9080/app/hello/stss

http://localhost:9080/app/hello2/stss