yaml数据绑定
pojo类package com.example.wsh.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import java.util.Date;
import java.util.List;
import java.util.Map;
@Component
@Data
@AllArgsConstructor
@NoArgsConstructor
/*
* @ConfigurationProperties(prefix = "person")的作用
* 将配置文件中每一个属性值,映射到这个组件中,
* 告诉springBoot本类中所有属性值与配置文件一一绑定,
* 参数prefix="person":将配置文件中person值一一对应
* 只有这个组件是容器中的组件才能用@ConfigurationProperties
* */
@ConfigurationProperties(prefix = "person")
public class Person {
private String name;
private int age;
private Boolean happy;
private Date birth;
private Map<String,Object> map;
private List<Object> list;
private Dog dog;
}<br><br><br>yaml配置文件server:
port: 8081
# 对空格要求极其高,多一个空格多一个层级
#保存对象
student:
name: wanshihao
age: 3
#对象行内写法
student2: {name: yubanmeiqin,age: 3}
# 数组
pets:
- cat
- dog
- pig
# 数组行内写法
pet:
person:
name: wanShiHao
age: 22
happy: true
birth: 2001/4/27
map: {k1: v1,k2: v2}
list:
dog:
name: yangZhou
age: 2
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