textField.placeholder = @"summer"; [textField setValue:[UIColor redColor] forKeyPath:@"_placeholderLabel.textColor"]; [textField setValue:[UIFont boldSystemFontOfSize:16] forKeyPath:@"_placeholderLabel.font"];
ios修改textField的placeholder的字体颜色、大小
原文：http://blog.csdn.net/mhtios/article/details/41751279