iOS上的电话号码格式 [英] Phone number formatting on iOS
本文介绍了iOS上的电话号码格式的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个文本字段,用户可以在其中输入数据.这是一个电话号码字段.如果用户输入1234567890
,我希望它在用户键入时显示为(123)-(456)-7890
.这怎么可能?
I have a text field where the user enters data. It's a phone number field. If the user enters 1234567890
, I want it displayed as (123)-(456)-7890
as the user types. How is this possible?
推荐答案
这将为您提供帮助
格式(xxx)xxx-xxxx
Format (xxx) xxx-xxxx
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
int length = (int)[self getLength:textField.text];
//NSLog(@"Length = %d ",length);
if(length == 10)
{
if(range.length == 0)
return NO;
}
if(length == 3)
{
NSString *num = [self formatNumber:textField.text];
textField.text = [NSString stringWithFormat:@"(%@) ",num];
if(range.length > 0)
textField.text = [NSString stringWithFormat:@"%@",[num substringToIndex:3]];
}
else if(length == 6)
{
NSString *num = [self formatNumber:textField.text];
//NSLog(@"%@",[num substringToIndex:3]);
//NSLog(@"%@",[num substringFromIndex:3]);
textField.text = [NSString stringWithFormat:@"(%@) %@-",[num substringToIndex:3],[num substringFromIndex:3]];
if(range.length > 0)
textField.text = [NSString stringWithFormat:@"(%@) %@",[num substringToIndex:3],[num substringFromIndex:3]];
}
return YES;
}
- (NSString *)formatNumber:(NSString *)mobileNumber
{
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@"(" withString:@""];
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@")" withString:@""];
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@" " withString:@""];
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@"-" withString:@""];
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@"+" withString:@""];
NSLog(@"%@", mobileNumber);
int length = (int)[mobileNumber length];
if(length > 10)
{
mobileNumber = [mobileNumber substringFromIndex: length-10];
NSLog(@"%@", mobileNumber);
}
return mobileNumber;
}
- (int)getLength:(NSString *)mobileNumber
{
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@"(" withString:@""];
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@")" withString:@""];
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@" " withString:@""];
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@"-" withString:@""];
mobileNumber = [mobileNumber stringByReplacingOccurrencesOfString:@"+" withString:@""];
int length = (int)[mobileNumber length];
return length;
}
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