One, code.
-(void) viewdidload{ [Super Viewdidload]; Do any additional setup after loading the view. NSLog (@ "--iphone--%@", [Self getnewphonestr1:@ "18502368888"]); } #pragma-mark-functions//only need to pass a phone call in, you can return a processed add-line 400 phone string, such as 4001234567, return 400-123-4567-(NSString *) GETNEWPHONESTR1: (NSString *) phonestr{ if ([Phonestr rangeofstring:@ "-"].length = = 0 && phonestr.length > 6) { nsmutablestring *phonenumber = [nsmutablestring string]; NSString *substr = [Phonestr substringtoindex:3]; [PhoneNumber appendformat:@ "%@-", subStr]; SUBSTR = [Phonestr substringwithrange:nsmakerange (3, 3)]; [PhoneNumber appendformat:@ "%@-", subStr]; SUBSTR = [Phonestr substringwithrange:nsmakerange (6, phonestr.length-6)]; [PhoneNumber Appendstring:substr]; Phonestr = PhoneNumber; } return PHONESTR;}
Two, output.
2015-10-19 13:52:46.387 400 telephones in the middle plus-line [6123:140629]--iphone--185-023-68888
"Code note" adds a 400 call to the middle-line