spring boot——读取应用配置——方式一——Environment

package org.example.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class EnvReaderConfigController
{

    @Autowired
    private Environment env;


    //  http://localhost:8080/testEnv

    @RequestMapping("/testEnv")
    public String testEnv()
    {

        return "方法一：" + env.getProperty("test.environment") ;
    }

}