updates

src/main/java/com/example/zxweb/utils/IotUtils.java

@@ -2,6 +2,7 @@ package com.example.zxweb.utils;
 
 import com.alibaba.fastjson.JSONObject;
 import org.springframework.stereotype.Component;
+import org.springframework.util.StringUtils;
 
 /**
  * @Description ios 设备请求工具
@@ -10,7 +11,7 @@ import org.springframework.stereotype.Component;
  */
 @Component
 public class IotUtils {
-    //请求服务地址
+    //请求服务地址                              https://10.0.10.153:2443/api/iot/v1
     private static final String API_PREFIX = "https://10.0.10.153:2443/api/iot/v1";
 
     private static final JSONObject headers=JSONObject.parseObject("{\"x-consumer-username\":\"dwVendor\",\"appCode\":\"42142fd0jkbf4515853b7fcec64748f6\"}");
@@ -21,6 +22,9 @@ public class IotUtils {
         int i=0;
         for (String field : queryData.keySet()) {
             String value = (String) queryData.get(field);
+            if (StringUtils.isEmpty(value)) {
+                continue;
+            }
             sb.append(i==0?"?":"&");
             sb.append(field).append("=").append(value);
             i++;