今天來分享一下NSMutableArray的排序方式
NSString *sortOrder = @"AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz_0123456789"; [array sortUsingComparator:^NSComparisonResult(id obj1, id obj2) { char char1 = [(NSString *)obj1 characterAtIndex: 0]; char char2 = [(NSString *)obj2 characterAtIndex: 0]; int index1; for (index1 = 0; index1 < sortOrder.length; index1++) if ([sortOrder characterAtIndex: index1] == char1) break; int index2; for (index2 = 0; index2 < sortOrder.length; index2++) if ([sortOrder characterAtIndex: index2] == char2) break; if (index1 < index2) return NSOrderedAscending; else if (index1 > index2) return NSOrderedDescending; else return [(NSString *)obj1 compare: obj2 options: NSCaseInsensitiveSearch]; }];
這樣Array就會照英文跟數字的方式來排序了
Dear 大大
回覆刪除你好 小弟剛學object C
想請問這邊^NSComparisonResult的^符號 用意是什麼
如有打擾非常抱歉