springboot 读取application.properties文件中的list和map数据

参考文章：

1. springboot 读取properties中的list和map数据
2. SpringBoot获得application.properties中数据的几种方式

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首先来看一下项目的目录结构：

                                     

示例下载：链接：百度云盘  提取码：eubm

HelloController.java文件：

import com.example.pojo.Person;
import com.example.pojo.Stu;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;


@RestController
public class HelloController {

    @Autowired
    private Stu stu;
    @Autowired
    private Person person;

    @GetMapping("properties3")
    public String properties3(){
        System.out.println(person.toString());
        return "welocom to springboot2 world perperties3";
    }
}

Dog.java文件：

package com.example.pojo;
import lombok.Data;
import lombok.ToString;
import org.springframework.stereotype.Component;

@Component
@Data
@ToString
public class Dog {
    private String name;
    private double weight;
}

Person.java文件：

package com.example.pojo;

import lombok.Data;
import lombok.ToString;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

import java.util.Date;
import java.util.List;
import java.util.Map;

@Component
@ConfigurationProperties(prefix="person")
@Data
@ToString
public class Person {
    // 各种普通数据类型
    private String lastName;
    private Integer age;
    private Boolean boss;
    private Date birth;

    // 复杂数据类型
    private Map<String,Object> map;
    private List<Object> list;
    private List<Dog> dogs;
    private Stu stu;
}

Stu文件：

package com.example.pojo;


import lombok.Data;
import lombok.ToString;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Component
@ConfigurationProperties(prefix = "stu") //指定前缀为stu
@Data
@ToString
public class Stu {
    private String name;
    private int age;
}

Application.java文件：

package com.example;

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

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

Application.properties文件：

person.lastname=zhangsan
person.age=18
person.boss=false
person.birth=201/02/08 01:02:21
person.map.username=zhunode
person.map.age=22
person.list[0]=lisi
person.list[1]=good
person.dogs[0].name=aaa
person.dogs[0].weight=15
person.dogs[1].name=ccc
person.dogs[1].weight=16
person.stu.name=lisi
person.stu.age=21

stu.name=zhangsan
stu.age=10