JAVA入门教学之快速搭建基本的springboot(从spring boot到spring cloud)

<mirrors>
  <mirror>
   <id>alimaven</id>
   <name>aliyun maven</name>
 　　<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
   <mirrorOf>central</mirrorOf>
  </mirror>
	</mirrors>

package com.example.demo;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;

@ComponentScan(basePackages={"com.example.demo"})//spring服务扫描目录。可以用*替换com.example.*
@SpringBootApplication
public class CeshiApplication {

	public static void main(String[] args) {
		SpringApplication.run(CeshiApplication.class, args);
	}

}

package com.example.demo;

import java.io.FileWriter;

import java.io.IOException;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.util.ResourceUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/user")
public class HtuserController {

	@RequestMapping("/hi")
	@ResponseBody
	public Returnben getsession(HttpServletRequest request, HttpSession session) {
		Returnben returnben = new Returnben();
		returnben.setMsg("成功");
		returnben.setSuccess("1");
		return returnben;
	}

}

package com.example.demo;

public class Returnben {
	private String success = "0";

	public String getSuccess() {
		return success;
	}

	public void setSuccess(String success) {
		this.success = success;
	}

	public String getMsg() {
		return msg;
	}

	public void setMsg(String msg) {
		this.msg = msg;
	}

	public Object getObj() {
		return obj;
	}

	public Object getData() {
		return data;
	}

	public void setData(Object data) {
		this.data = data;
	}

	public void setObj(Object obj) {
		this.obj = obj;
	}

	private String msg = "";
	private Object obj = null;
	private Object data = null;
	private Long count;
	private int code;

	public int getCode() {
		return code;
	}

	public void setCode(int code) {
		this.code = code;
	}

	public Long getCount() {
		return count;
	}

	public void setCount(Long count) {
		this.count = count;
	}
}