解决@ConfigurationProperties注解的使用及乱码问题

mycar.name=徐昂
mycar.price=18w

package com.maggie.demo.entity;

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

@Data   //生成setget方法
@Component //将此类注册为组件
@ConfigurationProperties(prefix = "mycar",ignoreUnknownFields = true) //配置文件属性读取，读取前缀时mycar的,忽略不存在的字段
public class Car {
    private String name;
    private String  price;
    @Override
    public String toString() {
        return "Car{" +
                "name='" + name + '\'' +
                ", price='" + price + '\'' +
                '}';
    }
}

package com.maggie.demo;

import com.maggie.demo.entity.Car;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;

import java.io.IOException;

@SpringBootApplication
public class DemoApplication {

	public static void main(String[] args) throws IOException {
		ConfigurableApplicationContext run = SpringApplication.run(DemoApplication.class, args);
		Car car = run.getBean(Car.class);
		System.out.println(car.toString());
	}
}

mycar:
  name: '徐昂'
  price: '18w'

        CharacterReader(Resource resource) throws IOException {
            this.reader = new LineNumberReader(new InputStreamReader(resource.getInputStream(), StandardCharsets.ISO_8859_1));
        }

    CharacterReader(Resource resource) throws IOException {
            this.reader = new LineNumberReader(new InputStreamReader(resource.getInputStream(), StandardCharsets.UTF_8));
        }

Car{name='徐昂', price='18w'}

mycar.name=小汽车
mycar.price=18w

@Data   //生成setget方法
@Component //将此类注册为组件
//指定字符集，并且指定读取的配置文件
@PropertySource(encoding = "UTF-8", value = "classpath:car.properties", ignoreResourceNotFound = true)
@ConfigurationProperties(prefix = "mycar",ignoreUnknownFields = true) //配置文件属性读取，读取前缀是mycar的
public class Car {
    private String name;
    private String  price;

    @Override
    public String toString() {
        return "Car{" +
                "name='" + name + '\'' +
                ", price='" + price + '\'' +
                '}';
    }
}

mycar.name=小汽车
mycar.price=18w

package com.maggie.demo.entity;

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

@Data   //生成setget方法
@ConfigurationProperties(prefix = "mycar",ignoreUnknownFields = true) //配置文件属性读取，读取前缀时mycar的,忽略不存在的字段
public class Car {
    private String name;
    private String  price;
    @Override
    public String toString() {
        return "Car{" +
                "name='" + name + '\'' +
                ", price='" + price + '\'' +
                '}';
    }
}

@Configuration //配置类注解 ==配置文件
@EnableConfigurationProperties(Car.class) //开启加载配置类
public class BeansConfiguration {
    
}