spring注解不支持靜態變量注入

spring注解不支持靜態變量注入：今天敲代碼  自動配置 配置：

Animal.java

package study01_autoconfig.beanConfig;

import org.springframework.stereotype.Component;

@Component
public class Person implements Animal{
    private String name;
    
    public void talk() {
        name="linhua";
        System.out.println("hi I'm "+name);
    }
}

package study01_autoconfig.beanConfig;

import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

@ComponentScan
@Configuration
public class PersonConfig {
    
}

測試類：

package study01_autoconfig.beanConfig;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@RunWith(SpringJUnit4ClassRunner.class)  //不寫這個會報錯。。。。。
@ContextConfiguration(classes=PersonConfig.class)
public class PersonTest {
    @Autowired
    //spring annotation不支持靜態變量注入

    static  Person per; //當為靜態變量注入時，會報Autowired annotation is not supported on static fields
    @Test
    public  void test1() {
        per.talk();
    }
    //不能在main方法里面，否則會報空指針
    /*public static void main(String[] args) {
        per.talk();
    }*/
    
}

然后發現  ，spring注解不支持靜態變量注入