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通过 attributedPlaceholder 属性来改变
if([textField respondsToSelector:@selector(setAttributedPlaceholder:)] { UIColor*color =[UIColor blackColor]; textField.attributedPlaceholder =[[NSAttributedString alloc] initWithString:placeholderText attributes:@{NSForegroundColorAttributeName: color}]; }else{ NSLog(@"Cannot set placeholder text‘s color, because deployment target is earlier than iOS 6.0"); // TODO: Add fall-back code to set placeholder color. }
原文：http://www.cnblogs.com/kingW/p/3730206.html
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原文地址：http://www.cnblogs.com/benbenzhu/p/4819158.html
