init

upload-file-backend/src/main/java/cn/czh/config/SpringBeanUtil.java

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+package cn.czh.config;
+
+import org.springframework.beans.BeansException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.stereotype.Service;
+
+/**
+ * spring工具类用来获取一些实体类
+ */
+@Service
+public class SpringBeanUtil implements ApplicationContextAware {
+	
+	private static ApplicationContext appContext;
+	
+	@Override
+	public void setApplicationContext(ApplicationContext context)
+			throws BeansException {
+		appContext = context; 
+	}
+
+	public static ApplicationContext getApplicationContext(){
+		return appContext;
+	}
+
+	public static <T> T getBean(Class<T> cls) {
+		return appContext.getBean(cls);
+	}
+
+	public static <T> T getBean(String className) {
+		return (T) appContext.getBean(className);
+	}
+
+	public static <T> T getBean(String className, Class<T> cls) {
+		return appContext.getBean(className, cls);
+	}
+
+}