使用@ConfigurationProperties读取application.properties参数

package com.tszr.model;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Component//使用Component注解，声明一个组件，被控制器依赖注入
@ConfigurationProperties(prefix = "obj")//obj为配置文件中key的前缀
public class StudentProperties {
    private String sname;
    private int sage;

    public String getSname() {
        return sname;
    }

    public void setSname(String sname) {
        this.sname = sname;
    }

    public int getSage() {
        return sage;
    }

    public void setSage(int sage) {
        this.sage = sage;
    }

    @Override
    public String toString() {
        return "StudentProperties [sname=" + sname + ", sage=" + sage + "]";
    }
}

package com.tszr.controller;

import com.tszr.model.StudentProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class ConfigurationPropertiesController {
    @Autowired
    StudentProperties studentProperties;
    @RequestMapping(value = "/testConfigurationProperties" ,produces = "text/html;charset=GBK")
    public String  testConfigurationProperties() {
        return studentProperties.toString();
    }
}