ns string * plist path =[[ns bundle main bundle]path for resource:@ " file name " of type:@ " plist "]；
//如果plist的結構是字典，則讀取NSDictionary。
ns dictionary * dictionary =[[ns dictionary alloc]initwithcontentsofile:plist path]；
//如果plist是壹個數組，則讀取壹個NSArray。
NSArray * array =[[NSArray alloc]initwithcontentsofile:plist path]；