/// Convert List to json
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="jsonName"></param>
/// <param name="list"></param>
/// <returns></returns>
public static string ListToJson<T>(IList<T> list, string jsonName)
{
StringBuilder Json = new StringBuilder();
if ((jsonName))
jsonName = list[0].GetType().Name;
("{/"" + jsonName + "/":[");
if ( > 0)
{
for (int i = 0; i < ; i++)
{
T obj = <T>();
PropertyInfo[] pi = ().GetProperties();
("{");
for (int j = 0; j < ; j++)
{
Type type = pi[j].GetValue(list[i], null).GetType();
("/"" + pi[j].() + "/":" + StringFormat(pi[j].GetValue(list[i], null).ToString(), type));
if (j < - 1)
{
(",");
}
}
("}");
if (i < - 1)
{
(",");
}
}
}
("]}");
return ();
}
/// <summary>
/// Convert List to json
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list"></param>
/// <returns></returns>
public static string ListToJson<T>(IList<T> list)
{
object obj = list[0];
return ListToJson<T>(list, ().Name);
}
/// <summary>
/// Convert object to Json string
/// </summary>
/// <param name="jsonObject">Object</param>
/// <returns>Json string</returns>
public static string ToJson(object jsonObject)
{
string jsonString = "{";
PropertyInfo[] propertyInfo = ().GetProperties();
for (int i = 0; i < ; i++)
{
object objectValue = propertyInfo[i].GetGetMethod().Invoke(jsonObject, null);
string value = ;
if (objectValue is DateTime || objectValue is Guid || objectValue is TimeSpan)
{
value = "'" + () + "'";
}
else if (objectValue is string)
{
value = "'" + ToJson(()) + "'";
}
else if (objectValue is IEnumerable)
{
value = ToJson((IEnumerable)objectValue);
}
else
{
value = ToJson(());
}
jsonString += "/"" + ToJson(propertyInfo[i].Name) + "/":" + value + ",";
}
( - 1, );
return jsonString + "}";
}
/// <summary>
/// Object collection conversion Json
/// </summary>
/// <param name="array">collection object</param>
/// <returns>Json string</returns>
public static string ToJson(IEnumerable array)
{
string jsonString = "[";
foreach (object item in array)
{
jsonString += ToJson(item) + ",";
}
( - 1, );
return jsonString + "]";
}
/// <summary>
/// Normal collection conversion Json
/// </summary>
/// <param name="array">collection object</param>
/// <returns>Json string</returns>
public static string ToArrayString(IEnumerable array)
{
string jsonString = "[";
foreach (object item in array)
{
jsonString = ToJson(()) + ",";
}
( - 1, );
return jsonString + "]";
}
/// <summary>
/// Convert Datatable to Json
/// </summary>
/// <param name="table">Datatable object</param>
/// <returns>Json string</returns>
public static string ToJson(DataTable dt)
{
StringBuilder jsonString = new StringBuilder();
("[");
DataRowCollection drc = ;
for (int i = 0; i < ; i++)
{
("{");
for (int j = 0; j < ; j++)
{
string strKey = [j].ColumnName;
string strValue = drc[i][j].ToString();
Type type = [j].DataType;
("/"" + strKey + "/":");
strValue = StringFormat(strValue, type);
if (j < - 1)
{
(strValue + ",");
}
else
{
(strValue);
}
}
("},");
}
( - 1, 1);
("]");
return ();
}
/// <summary>
/// Convert DataTable to Json
/// </summary>
/// <param name="jsonName"></param>
/// <param name="dt"></param>
/// <returns></returns>
public static string ToJson(DataTable dt, string jsonName)
{
StringBuilder Json = new StringBuilder();
if ((jsonName))
jsonName = ;
("{/"" + jsonName + "/":[");
if ( > 0)
{
for (int i = 0; i < ; i++)
{
("{");
for (int j = 0; j < ; j++)
{
Type type = [i][j].GetType();
("/"" + [j].() + "/":" + StringFormat([i][j].ToString(), type));
if (j < - 1)
{
(",");
}
}
("}");
if (i < - 1)
{
(",");
}
}
}
("]}");
return ();
}
/// <summary>
/// Convert DataReader to Json
/// </summary>
/// <param name="dataReader">DataReader object</param>
/// <returns>Json string</returns>
public static string ToJson(DbDataReader dataReader)
{
StringBuilder jsonString = new StringBuilder();
("[");
while (())
{
("{");
for (int i = 0; i < ; i++)
{
Type type = (i);
string strKey = (i);
string strValue = dataReader[i].ToString();
("/"" + strKey + "/":");
strValue = StringFormat(strValue, type);
if (i < - 1)
{
(strValue + ",");
}
else
{
(strValue);
}
}
("},");
}
();
( - 1, 1);
("]");
return ();
}
/// <summary>
/// Convert DataSet to Json
/// </summary>
/// <param name="dataSet">DataSet object</param>
/// <returns>Json string</returns>
public static string ToJson(DataSet dataSet)
{
string jsonString = "{";
foreach (DataTable table in )
{
jsonString += "/"" + + "/":" + ToJson(table) + ",";
}
jsonString = (',');
return jsonString + "}";
}
/// <summary>
/// Filter special characters
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private static string String2Json(String s)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < ; i++)
{
char c = ()[i];
switch (c)
{
case '/"':
("///""); break;
case '//':
("////"); break;
case '/':
("///"); break;
case '/b':
("//b"); break;
case '/f':
("//f"); break;
case '/n':
("//n"); break;
case '/r':
("//r"); break;
case '/t':
("//t"); break;
default:
(c); break;
}
}
return ();
}
/// <summary>
/// Format character type, date type, boolean type
/// </summary>
/// <param name="str"></param>
/// <param name="type"></param>
/// <returns></returns>
private static string StringFormat(string str, Type type)
{
if (type == typeof(string))
{
str = String2Json(str);
str = "/"" + str + "/"";
}
else if (type == typeof(DateTime))
{
str = "/"" + str + "/"";
}
else if (type == typeof(bool))
{
str = ();
}
return str;
}