{"weatherinfo":{"city":"澶у叴","cityid":"101011100",
"temp":"18","WD":"涓滃崡椋?,"WS":"2绾?,"SD":"18%","WSE":"2",
"time":"17:05","isRadar":"1","Radar":"JC_RADAR_AZ9010_JB",
"njd":"鏆傛棤瀹炲喌","qy":"1007","rain":"0"}}
这是从中国天气网获取的数据，怎样用c#解密中文乱码
你2进制数据流生成字符串的时候指定和中国天气网的编码一样就不会乱码了，解码干嘛？。。
在生成json时候指定字符编码就ok
Response.Charset = "utf-8"