1.placehold
使用KVC机制改变占位符的颜色和大小
- [textField setValue:[UIColor redColor] forKeyPath:@"_placeholderLabel.textColor"];
- [textField setValue:[UIFont boldSystemFontOfSize:16] forKeyPath:@"_placeholderLabel.font"];
使用KVC机制改变占位符的颜色和大小
转载于:https://www.cnblogs.com/danMing-love/p/6992006.html