用户信息增强和基础controller

src/main/java/com/yaoyuan/jiscuss/controller/BaseController.java

@@ -0,0 +1,48 @@
+package com.yaoyuan.jiscuss.controller;
+
+import com.yaoyuan.jiscuss.entity.UserInfo;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.userdetails.User;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+import java.util.Enumeration;
+
+/**
+ * @author yaoyuan2.chu
+ * @Title: BaseController
+ * @Package com.yaoyuan.jiscuss.controller
+ * @Description: BaseController
+ * @date 2020/7/16 14:36
+ */
+public class BaseController {
+
+    /**
+     * 获取当前用户
+     * @return
+     */
+    protected UserInfo getUserInfo(HttpServletRequest request){
+        UserInfo user = null;
+        //获得session对象
+        HttpSession session = request.getSession();
+        //取出session域中所有属性名
+        Enumeration attributeNames = session.getAttributeNames();
+        while (attributeNames.hasMoreElements()) {
+            System.out.println(attributeNames.nextElement());
+        }
+        //SPRING_SECURITY_CONTEXT
+        Object spring_security_context = session.getAttribute("SPRING_SECURITY_CONTEXT");
+        System.out.println(spring_security_context);
+        SecurityContext securityContext = (SecurityContext) spring_security_context;
+        if(securityContext!=null){
+            //获得认证信息
+            Authentication authentication = securityContext.getAuthentication();
+            //获得用户详情
+            Object principal = authentication.getPrincipal();
+            user = (UserInfo) principal;
+        }
+        return user;
+    }
+
+}