/// <summary>
/// 字典转JSON
/// </summary>
/// <param name="dic"></param>
/// <returns></returns>
public static string DictionaryToJson(Dictionary<string, string> dic)
{
//实例化JavaScriptSerializer类的新实例
var jss = new JavaScriptSerializer();
//将指定的 JSON 字符串转换为 Dictionary<string, string> 类型的对象
return jss.Serialize(dic);
}