```
- (UITextView *)textview{
if(!_textview) {
_textview= [[UITextViewalloc]initWithFrame:CGRectMake(0,100,ScreenWidth-30,80)];
_textview.backgroundColor = [UIColor tertiarySystemBackgroundColor];
self.textview.font= [UIFontfontWithName:@"Arial"size:14.0];
self.textview.delegate = self;
self.textview.returnKeyType = UIReturnKeyDefault;
self.textview.keyboardType = UIKeyboardTypeDefault;
self.textview.scrollEnabled = YES;
self.textview.autoresizingMask = UIViewAutoresizingFlexibleHeight;
// _placeholderLabel
UILabel*placeHolderLabel = [[UILabelalloc]init];
placeHolderLabel.text=@"点击编辑备注信息哦~";
placeHolderLabel.numberOfLines=0;
placeHolderLabel.textColor= [UIColorlightGrayColor];
[placeHolderLabelsizeToFit];
[self.textviewaddSubview:placeHolderLabel];//这句很重要不要忘了
// same font
self.textview.font= [UIFontsystemFontOfSize:14.f];
placeHolderLabel.font= [UIFontsystemFontOfSize:14.f];
[self.textviewsetValue:placeHolderLabelforKey:@"_placeholderLabel"];
}
return _textview;
}
```
