feat: 增加spring上下文

flyfish-common/src/main/java/com/flyfish/framework/context/SpringContext.java

@@ -0,0 +1,40 @@
+package com.flyfish.framework.context;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.BeanInitializationException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.stereotype.Component;
+
+/**
+ * spring的上下文
+ *
+ * @author wangyu
+ */
+@Component
+public class SpringContext implements ApplicationContextAware {
+
+    private ApplicationContext applicationContext;
+
+    /**
+     * 设置上下文
+     *
+     * @see BeanInitializationException
+     */
+    @Override
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
+        this.applicationContext = applicationContext;
+    }
+
+    /**
+     * 通过类获取某个bean
+     * 优先获取@Prmary注解的bean
+     *
+     * @param clazz 类
+     * @param <T>   泛型
+     * @return 结果
+     */
+    public <T> T getBean(Class<T> clazz) {
+        return applicationContext.getBean(clazz);
+    }
+}