From:? https://blog.csdn.net/danielzhou888/article/details/83351913

本示例解決springboot中service無法注入普通jopo的問題。
不啰嗦，直接上代碼。
如果該示例幫您解決了問題，請助推哦。

pojo類：

package com.scmd.controller;import com.scmd.service.IWxaccesstokenService; import com.scmd.utils.ApplicationContextProvider; import lombok.Data; import org.springframework.stereotype.Component;import java.util.HashMap; import java.util.Map;/** * Created by Administrator on 2018/10/24. */ @Data @Component public class AccessToken {private static String access_token = null;public static final Map<String,Object> cache = new HashMap<String,Object>();public AccessToken(String access_token) {this.access_token = access_token;}public AccessToken() {}public void updateAccessToken(Map<String,Object> cache) {IWxaccesstokenService wxservice = ApplicationContextProvider.getBean(IWxaccesstokenService.class);cache.put("access_token",wxservice.findByIdEntity(1).getAccesstoken());}}

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ApplicationContext輔助類：

package com.scmd.utils;import org.springframework.context.ApplicationContext; import org.springframework.stereotype.Component;/** * Created by Administrator on 2018/10/24. */ @Component public class ApplicationContextProvider{private static ApplicationContext applicationContext;public static void setApplicationContext(ApplicationContext context) {applicationContext = context;}public static ApplicationContext getApplicationContext(){return applicationContext;}public static Object getBean(String name) {return getApplicationContext().getBean(name);}public static <T> T getBean(Class<T> clazz) {return getApplicationContext().getBean(clazz);}public static <T> T getBean(String name, Class<T> clazz) {return getApplicationContext().getBean(name, clazz);}}

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啟動類：

package com.scmd;import com.scmd.utils.ApplicationContextProvider; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.web.servlet.ServletComponentScan; import org.springframework.context.ConfigurableApplicationContext;@SpringBootApplication @ServletComponentScan public class ScmdApplication {private static final Logger logger = LoggerFactory.getLogger(ScmdApplication.class);public static void main(String[] args) {ConfigurableApplicationContext applicationContext = SpringApplication.run(ScmdApplication.class, args);// 向輔助類注入ApplicationContextApplicationContextProvider.setApplicationContext(applicationContext); } }

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總結

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