[ISSUE #5]Different pages are displayed based on the user role. (#7)

* [ISSUE #5]Different pages are displayed based on the user role.

* Put the role judgment logic into js

Co-authored-by: zhangjidi <zhangjidi@cmss.chinamobile.com>

src/test/java/org/apache/rocketmq/dashboard/controller/LoginControllerTest.java

@@ -96,7 +96,7 @@ public class LoginControllerTest extends BaseControllerTest {
             .param("password", rightPwd);
         perform = mockMvc.perform(requestBuilder);
         perform.andExpect(status().isOk())
-            .andExpect(jsonPath("$.data").value(contextPath));
+            .andExpect(jsonPath("$.data.contextPath").value(contextPath));
 
 }