.net中的类型转换成Json的格式

/// <summary>
/// json数据帮助类
/// </summary>
public class JsonUtil
{
#region GetJSON
/// <summary>
/// 得到Json数据
/// </summary>
/// <param name="data">数据</param>
/// <returns>String JSON </returns>
public static string GetJSON(object data)
{
StringBuilder sb = new StringBuilder();
PropertyInfo[] propertys = data.GetType().GetProperties();
if (data.GetType().IsGenericType)
{
sb.Append("[");
IList list = data as IList;
for (int i = 0; i < list.Count; i++)
{
sb.Append(GetJSON(list[i]));
if (i < list.Count - 1)
{
sb.Append(",");
}
}
sb.Append("]");
}
else
{
sb.Append("{");
sb.Append("\"");
sb.Append(data.GetType().Name);
sb.Append("\"");
sb.Append(":");
sb.Append("{");
int count = propertys.Length;
for (int i = 0; i < count; i++)
{
sb.Append("\"");
sb.Append(propertys[i].Name);
sb.Append("\"");
sb.Append(":");
switch (propertys[i].PropertyType.Name)
{
case "Int":
case "Double":
case "Decimal":
case "float":
case "long":
sb.Append(propertys[i].GetValue(data, null));
break;
default:
sb.Append("\"");
sb.Append(propertys[i].GetValue(data, null));
sb.Append("\"");
break;
}
if (i < count - 1)
{
sb.Append(",");
}
}
sb.Append("}");
sb.Append("}");
}
return sb.ToString();
}
#endregion
}