no message

jz-dm-common/pom.xml

@@ -74,6 +74,11 @@
             <version>RELEASE</version>
             <scope>compile</scope>
         </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
         <!--阿里云服务器短信平台-->
         <dependency>
             <groupId>com.aliyun</groupId>

jz-dm-common/src/main/java/com/jz/common/utils/SessionUtils.java

+package com.jz.common.utils;
+
+
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * @ClassName:
+ * @Author: Carl
+ * @Date: 2020/12/3
+ * @Version:
+ */
+public class SessionUtils {
+
+    /**
+     * 把数据存储到session中
+     * @param objName 存储到session中的对象的变量名
+     * @param o 存储的任意数据
+     */
+    public static void push(String objName, Object o) {
+        HttpServletRequest request =
+                ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
+        request.getSession().setAttribute(objName, o);
+    }
+
+    /**
+     * 从session中获取数据
+     * @param objName 存储到session中的对象的变量名
+     */
+    public static Object pop(String objName) {
+        HttpServletRequest request =
+                ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
+        return request.getSession().getAttribute(objName);
+    }
+}