Added unauthorized access response. Added logout.

Pinnacle/src/main/java/com/cfive/pinnacle/utils/WebUtil.java

@@ -0,0 +1,26 @@
+package com.cfive.pinnacle.utils;
+
+import com.cfive.pinnacle.entity.common.ResponseResult;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+
+public class WebUtil {
+    public static String convert2json(Object object) throws JsonProcessingException {
+        return new ObjectMapper().writeValueAsString(object);
+    }
+
+    public static String objectResponse(int resultCode, String msg, Object object) throws JsonProcessingException {
+        ResponseResult result = ResponseResult.build(resultCode, msg, object);
+        return convert2json(result);
+    }
+
+    public static void renderString(HttpServletResponse response, String string) throws IOException {
+        response.setStatus(200);
+        response.setContentType("application/json");
+        response.setCharacterEncoding("utf-8");
+        response.getWriter().print(string);
+    }
+}