我有一个包含自定义对象的NSMutableArray.其内容的一个例子如下:
2013-03-14 20:06:23.895 MyMusicLibrary[1667:c07] myLibrary: (
{
artist = "Green Day";
id = 1421768;
name = "American Idiot";
releasedate = "21 Sep 2004";
runningtime = "57.53";
tracks = "1: American Idiot\n2: Jesus of Suburbia\n3: Holiday/Boulevard Of Broken Dreams\n4: Are We The Waiting/St. Jimmy\n5: Give Me Novacaine/She's A Rebel\n6: Extraordinary Girl/Letterbomb\n7: Wake Me Up When September Ends\n8: Homecoming\n9: Whatsername\n";
trackscount = 9;
type = 1;
},
{
artist = Bastille;
id = 309124896;
name = "Bad Blood";
releasedate = "1 Mar …