JSON解析
要解析的字符串为：   {"status":1,"data":[{"fmtype":2,"fmid":"18","offset":"%7B%22offset%22%3A198%2C%22time%22%3A1395131816%7D","songs":[{"sid":230613,"name":"\u5b59\u5b50\u6db5 - \u9690\u8eab\u5b88\u5019","hash":"C9D2008D1CDFAA9AEFBEE7DCC306A16B","size":3443058,"ext":"mp3","time":215170,"bitrate":128,"mv":null,"trac":0,"m4ahash":null,"320hash":"8D4E99ADDA2B50F5F69B121B81DCE860","320size":8612048,"isfilehead":22},{"sid":197261,"name":"\u5218\u60dc\u541b - \u6211\u5f88\u5feb\u4e50","hash":"94785896ff2552eb690aed064555c54b","size":5098953,"ext":"mp3","time":213000,"bitrate":191,"mv":null,"trac":0,"m4ahash":"0392DA8CA93AA003307759D44DEBDDDD","320hash":"E6BC698210D270DFECA2611FFA60D3BA","320size":8550410,"isfilehead":18},{"sid":262792,"name":"\u5f20\u9707\u5cb3 - \u62b1\u7740\u4f60","hash":"DA93ECD0850FBD35FDC6083CF24CD9FD","size":4038666,"ext":"mp3","time":250514,"bitrate":128,"mv":null,"trac":0,"m4ahash":null,"320hash":"DF4CD08B044CDD6E0DC277DBC7B6C0A1","320size":10022711,"isfilehead":1},{"sid":250398,"name":"\u6c6a\u5cf0 - \u5bc2\u5bde\u5217\u8f66","hash":"A74EBB4A69BFFDC730153DAB8B7717E8","size":5525002,"ext":"mp3","time":345000,"bitrate":128,"mv":null,"trac":0,"m4ahash":null,"320hash":"D0B167D7E843CD888A62388C766344F2","320size":13812506,"isfilehead":27},{"sid":222671,"name":"\u4e54\u4efb\u6881 - \u4e50\u6f6e","hash":"ded18d75f493d05a2ad67e579e5bdf21","size":3929233,"ext":"mp3","time":236000,"bitrate":133,"mv":null,"trac":0,"m4ahash":null,"320hash":"FBC2EA45E254CBEAD02FF2B1CEDAF513","320size":9823084,"isfilehead":18},{"sid":204198,"name":"\u5468\u7b14\u7545 - \u5fa1\u9f99\u8000\u4e5d\u5929","hash":"acc553720db438be99dead5d8faf9318","size":3690950,"ext":"mp3","time":230000,"bitrate":128,"mv":null,"trac":0,"m4ahash":"7E57176A40B4A37411C92F6C1213D279","320hash":"","320size":0,"isfilehead":10},{"sid":222686,"name":"\u674e\u4ee3\u6cab - \u5373\u5ba2","hash":"352eb6f9186ab632fd60a9f8570cb343","size":3504791,"ext":"mp3","time":219000,"bitrate":128,"mv":null,"trac":0,"m4ahash":null,"320hash":"C1235973CA831FB3F4E0B618EF11B11D","320size":8764281,"isfilehead":18},{"sid":230559,"name":"\u5f26\u5b50 - \u89c1\u6b7b\u4e0d\u6551","hash":"95758DFB5EC82982C3F44DA149F7911B","size":3344597,"ext":"mp3","time":209031,"bitrate":128,"mv":null,"trac":0,"m4ahash":null,"320hash":"BF89196CDA7F0F69032723EF9C52CD5F","320size":8355004,"isfilehead":24},{"sid":99757,"name":"\u5f20\u60e0\u59b9 - \u522b\u5728\u4f24\u53e3\u6492\u76d0","hash":"CC02BC71C3CE52F810FB04D8BB2DCD13","size":5000990,"ext":"mp3","time":312000,"bitrate":128,"mv":null,"trac":0,"m4ahash":"E23ADFA068022679ED2525FEA62D8128","320hash":"425CBA8F7386D4B89A45B82912CE3891","320size":12287129,"isfilehead":16},{"sid":250345,"name":"\u80e1\u7ef4\u7eb3 - \u5077\u5077\u5730\u7231\u4e0a","hash":"BB6E0DF679596CF55096BA85A76E8499","size":4142393,"ext":"mp3","time":258000,"bitrate":128,"mv":null,"trac":0,"m4ahash":null,"320hash":"FDAC8935871AF78680AAD571BB940B5D","320size":10355983,"isfilehead":27},{"sid":197273,"name":"\u5f20\u60e0\u59b9 - \u6211\u53ef\u4ee5\u62b1\u4f60\u5417","hash":"477d84ade9da62334adb14c632c1ecc4","size":7083944,"ext":"mp3","time":295000,"bitrate":192,"mv":null,"trac":0,"m4ahash":"CB299DA838B5FA7A2993EE08DDD016D5","320hash":"38CBC5CE19605E54D964F126BD9819FC","320size":11806585,"isfilehead":18},{"sid":246993,"name":"\u9093\u7d2b\u68cb - \u662f\u5426","hash":"8EEB165D7A3F133CBB22559AFFDCFAFE","size":3516477,"ext":"mp3","time":219000,"bitrate":128,"mv":null,"trac":0,"m4ahash":null,"320hash":"2AB57A6A48E1853E50CE37F4AF786445","320size":8787591,"isfilehead":29},{"sid":222683,"name":"\u4e1c\u6765\u4e1c\u5f80 - \u6211\u66fe\u7ecf\u90a3\u4e48\u63a5\u8fd1\u5e78\u798f","hash":"39751c94ee06647c4c872288998dd55e","size":4248972,"ext":"mp3","time":236000,"bitrate":144,"mv":null,"trac":0,"m4ahash":null,"320hash":"4A5BE62E2F7E26DE8E9E885083CD486F","320size"