springboot web 05 springboot通过@ConfigurationProperties注解springboot获取自定义配置

1、application.properties

server.port=8081
school.name=bjpowernode
school.website=www.bjpowernode.com
city.name=beijing
city.website=www.beijing.com
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2、School.class

package com.bjpowernode.springboot.model;

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

@Component  //将此类加载到spring容器中
@ConfigurationProperties(prefix = "school")  //此school为配置文件中key值的前缀
public class School {
    private String name;
    private String website;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getWebsite() {
        return website;
    }

    public void setWebsite(String website) {
        this.website = website;
    }
}

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3、City.class

package com.bjpowernode.springboot.model;

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

@Component  //将此类加载到spring容器中
@ConfigurationProperties(prefix = "city")
public class City {
    private String name;
    private String website;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getWebsite() {
        return website;
    }

    public void setWebsite(String website) {
        this.website = website;
    }
}

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4、IndexController.class

package com.bjpowernode.springboot.web;

import com.bjpowernode.springboot.model.City;
import com.bjpowernode.springboot.model.School;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class IndexController {
    @Autowired
    private School school;
    @Autowired
    private City city;

    @RequestMapping(value = "/school")
    public @ResponseBody Object myschool(){
        return "school.name="+school.getName()+", school.website="+school.getWebsite();
    }

    @RequestMapping(value = "/city")
    public @ResponseBody Object mycity(){
        return "city.name="+city.getName()+", city.website="+city.getWebsite();
    }
}

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5、运行结果