NSString *a = [[NSString alloc] initWithString : @"冬瓜,西瓜,火龙果,大头,小狗" ];
NSArray *b = [a componentsSeparatedByString:@","];
数组已自定义的间隔转化成字符串
NSString *string = [array componentsJoinedByString:@","];--分隔符
NSString *a = [[NSString alloc] initWithString : @"冬瓜,西瓜,火龙果,大头,小狗" ];
NSArray *b = [a componentsSeparatedByString:@","];
数组已自定义的间隔转化成字符串
NSString *string = [array componentsJoinedByString:@","];--分隔符