-(BOOL)textField:(UITextField*)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString*)string
{
NSString* tostring = [textField.textstringByReplacingCharactersInRange:rangewithString:string];
UITextRange*selectedRange = [textFieldmarkedTextRange];
UITextPosition*position = [textFieldpositionFromPosition:selectedRange.startoffset:0];
if(!position){
NSIntegercharlen = tostring.length;
if(charlen>1)
{
if(![XYStringisBlankString:string]) {
returnNO;
}
}
}
return YES;
}
#pragma mark - TextView代理方法
-(BOOL)textView:(UITextView*)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString*)text
{
NSString*str = [NSStringstringWithFormat:@"%@%@", textView.text, text];
if(str.length>100)
{
NSRange rangeIndex = [str rangeOfComposedCharacterSequenceAtIndex:100];
if(rangeIndex.length==1)//字数超限
{
textView.text= [strsubstringToIndex:100];
self.testNumLb.text=@"100/100";
}else{
NSRange rangeRange = [str rangeOfComposedCharacterSequencesForRange:NSMakeRange(0, 100)];
textView.text= [strsubstringWithRange:rangeRange];
}
returnNO;
}
return YES;
}
-(void)textViewDidChange:(UITextView*)textView
{
self.testNumLb.text= [NSStringstringWithFormat:@"%lu/%d", (unsignedlong)textView.text.length,100];
}
