fix(datafill): 修复水质数据为空时的处理逻辑

- 对 codMap、nh3nMap、tpMap、tnMap 和 phMap 进行空值检查
- 当这些映射对象为空时，设置默认值为 "0"
- 优化了代码结构，提高了代码的健壮性和可读性

@@ -276,21 +276,56 @@ public class FactoryCenterServiceImpl implements IFactoryCenterService {
             outVO.setParentId(parentId);
             outVO.setParentName(departMap.get(parentId));
         }
+
+        if(codMap!=null) {
             outVO.setCodUpper(codMap.getOrDefault("upper","0"));
             outVO.setCodLower(codMap.getOrDefault("lower","0"));
             outVO.setCodAbnormal("0");
+        }else {
+            outVO.setCodUpper("0");
+            outVO.setCodLower("0");
+            outVO.setCodAbnormal("0");
+        }
+
+        if(nh3nMap!=null) {
             outVO.setNh3Upper(nh3nMap.getOrDefault("upper","0"));
             outVO.setNh3Lower(nh3nMap.getOrDefault("lower","0"));
             outVO.setNh3Abnormal("0");
+        }else {
+            outVO.setNh3Upper("0");
+            outVO.setNh3Lower("0");
+            outVO.setNh3Abnormal("0");
+        }
+
+        if(tpMap!=null) {
             outVO.setTpUpper(tpMap.getOrDefault("upper","0"));
             outVO.setTpLower(tpMap.getOrDefault("lower","0"));
             outVO.setTpAbnormal("0");
+        }else {
+            outVO.setTpUpper("0");
+            outVO.setTpLower("0");
+            outVO.setTpAbnormal("0");
+        }
+
+        if(tnMap!=null) {
             outVO.setTnUpper(tnMap.getOrDefault("upper","0"));
             outVO.setTnLower(tnMap.getOrDefault("lower","0"));
             outVO.setTnAbnormal("0");
+        }else {
+            outVO.setTnUpper("0");
+            outVO.setTnLower("0");
+            outVO.setTnAbnormal("0");
+        }
+
+        if(phMap!=null) {
             outVO.setPhUpper(phMap.getOrDefault("upper","0"));
             outVO.setPhLower(phMap.getOrDefault("lower","0"));
             outVO.setPhAbnormal("0");
+        }else {
+            outVO.setPhUpper("0");
+            outVO.setPhLower("0");
+            outVO.setPhAbnormal("0");
+        }
         if(ConvertUtils.isNotEmpty(dataMap.get("time"))){
             Date date = new Date(Long.parseLong(dataMap.get("time").toString()) * 1000);
             SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");