完成操作日志的记录

src/main/java/cn/iocoder/dashboard/util/json/JSONUtils.java

@@ -0,0 +1,21 @@
+package cn.iocoder.dashboard.util.json;
+
+/**
+ * JSON 工具类
+ *
+ * @author 芋道源码
+ */
+public class JSONUtils {
+
+//    public static Map<String, Object> toJSONMap(Object javaObject) {
+//        return (Map<String, Object>) JSON.toJSON(javaObject);
+//    }
+//
+//    public static void main(String[] args) {
+//        SysDictTypeCreateReqVO createReqVO = new SysDictTypeCreateReqVO();
+//        createReqVO.setType("1");
+//        createReqVO.setRemark("2");
+//        System.out.println(toJSONMap(createReqVO));
+//    }
+
+}

src/main/java/cn/iocoder/dashboard/util/servlet/ServletUtils.java

@@ -5,6 +5,7 @@ import cn.hutool.extra.servlet.ServletUtil;
 import com.alibaba.fastjson.JSON;
 import org.springframework.http.MediaType;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.net.URLEncoder;
@@ -44,4 +45,13 @@ public class ServletUtils {
         IoUtil.write(response.getOutputStream(), false, content);
     }
 
+    /**
+     * @param request 请求
+     * @return ua
+     */
+    public static String getUserAgent(HttpServletRequest request) {
+        String ua = request.getHeader("User-Agent");
+        return ua != null ? ua : "";
+    }
+
 }