腾讯的json数据怎么解析？

如下：

{"data":
{
"birth_day":7,
"birth_month":4,
"birth_year":1989,
"city_code":"1",
"comp":null,
"country_code":"1",
"edu":null,
"email":"",
"fansnum":0,
"favnum":0,
"head":"http:\/\/app.qlogo.cn\/mbloghead\/e377f9ccbe37b98be82c",
"homecity_code":"",
"homecountry_code":"",
"homepage":"",
"homeprovince_code":"",
"hometown_code":"",
"idolnum":42,
"industry_code":0,
"introduction":"",
"isent":0,
"ismyblack":0,
"ismyfans":0,
"ismyidol":0,
"isrealname":2,
"isvip":0,
"location":"",
"mutual_fans_num":0,
"name":"munaiyi6023",
"nick":"木乃伊",
"openid":"",
"province_code":"61",
"regtime":1341050914,
"sivate_flagend_pr":2,
"sex":1,
"tag":null,
"tweetnum":0,
"verifyinfo":""
},"errcode":0,"msg":"ok","ret":0,"seqid":5770495042734377813}

这个该怎么解析？