实现策略配置功能

src/common/Fields.cpp

@@ -1,6 +1,6 @@
 #include "Fields.h"
 #include "common/Utils.h"
-
+#include "common/JsonN.h"
 
 std::string& Fields::value(std::string key)
 {
@@ -14,14 +14,16 @@ bool Fields::contains(std::string key)
     return (mapFields.find(key) != mapFields.end());
 }
 
-std::unordered_map<string, string>::iterator Fields::remove(string key)
+std::string Fields::remove(string key)
 {
+    std::string val;
     auto it = mapFields.find(key);
     if (it != mapFields.end())
     {
-        it = mapFields.erase(it);
+        val = it->second;
+        mapFields.erase(it);
     }
-    return it;
+    return val;
 }
 
 void Fields::append(Fields& datafield)
@@ -177,6 +179,13 @@ string Fields::toSqlUpdate(string tableName, std::vector<std::string> vecKeys, s
     return oss.str();
 }
 
+void Fields::parseJson(std::string jsonstr)
+{
+    NJsonNode jsonroot;
+    NJson::parse(jsonstr, jsonroot);
 
-
-
+    for (auto& item : jsonroot.items())
+    {
+        this->set(item.key(), item.value());
+    }
+}