json轉換為鍵值對
阿新 • • 發佈:2019-01-28
public class JsonParser
{
private static Dictionary<string, string> lst_KeyValueData = null;
public static Dictionary<string, string> SplitJsonStringToKeyValuePairs(string jsonStr)
{
char jsonBeginToken = '{';
char jsonEndToken = '}' ;
if (string.IsNullOrEmpty(jsonStr))
{
return null;
}
//驗證json字串格式
if (jsonStr[0] != jsonBeginToken || jsonStr[jsonStr.Length - 1] != jsonEndToken)
{
throw new ArgumentException("非法的Json字串!");
}
lst_KeyValueData = new Dictionary<string, string>();
JObject jobj = new JObject();
// 轉換為json物件
jobj = JObject.Parse(jsonStr);
ParseJsonProperties(jobj);
return lst_KeyValueData;
}
private static void ParseJsonProperties(JObject jObject)
{
IEnumerable<JProperty> jObject_Properties = jObject.Properties();
JTokenType[] validPropertyValueTypes = { JTokenType.String, JTokenType.Integer, JTokenType.Float, JTokenType.Boolean, JTokenType.Null, JTokenType.Date, JTokenType.Bytes, JTokenType.Guid, JTokenType.Uri, JTokenType.TimeSpan };
List<JTokenType> propertyTypes = new List<JTokenType>(validPropertyValueTypes);
JTokenType[] validObjectTypes = { JTokenType.String, JTokenType.Array, JTokenType.Object };
List<JTokenType> objectTypes = new List<JTokenType>(validObjectTypes);
foreach (JProperty property in jObject_Properties)
{
try
{
if (propertyTypes.Contains(property.Value.Type))
{
ParseJsonKeyValue(property, property.Name.ToString());
}
else if (objectTypes.Contains(property.Value.Type))
{
if (property.Value.Type == JTokenType.Array && property.Value.HasValues)
{
ParseJsonArray(property);
}
if (property.Value.Type == JTokenType.Object)
{
JObject jo = new JObject();
jo = JObject.Parse(property.Value.ToString());
string paramName = property.Name.ToString();
lst_KeyValueData.Add(paramName, property.Value.ToString());
if (jo.HasValues)
{
ParseJsonProperties(jo);
}
}
}
}
catch (Exception ex)
{
throw;
}
}
}
private static void ParseJsonKeyValue(JProperty item, string paramName)
{
lst_KeyValueData.Add(paramName, item.Value.ToString());
}
private static void ParseJsonArray(JProperty item)
{
JArray jArray = (JArray)item.Value;
string paramName = item.Name.ToString();
lst_KeyValueData.Add(paramName, item.Value.ToString());
try
{
for (int i = 0; i < jArray.Count; i++)
{
paramName = i.ToString();
lst_KeyValueData.Add(paramName, jArray.Values().ElementAt(i).ToString());
JObject jo = new JObject();
jo = JObject.Parse(jArray[i].ToString());
IEnumerable<JProperty> jArrayEnum = jo.Properties();
foreach (JProperty jaItem in jArrayEnum)
{
var paramNameWithJaItem = jaItem.Name.ToString();
var itemValue = jaItem.Value.ToString(Formatting.None);
if (itemValue.Length > 0)
{
switch (itemValue.Substring(0, 1))
{
case "[":
ParseJsonArray(jaItem);
break;
case "{":
JObject joObject = new JObject();
joObject = JObject.Parse(itemValue);
ParseJsonProperties(joObject);
break;
default:
ParseJsonKeyValue(jaItem, paramNameWithJaItem);
break;
}
}
}
}
}
catch (Exception ex)
{
throw;
}
}
}