纯粹个人记录
swifit修改
searchField.setValue(UIColor.whiteColor(), forKeyPath: "_placeholderLabel.textColor")
oc修改
[searchField setValue:[UIColor whiteColor] forKey:@"_placeholderLabel.textColor"];
纯粹个人记录
searchField.setValue(UIColor.whiteColor(), forKeyPath: "_placeholderLabel.textColor")
[searchField setValue:[UIColor whiteColor] forKey:@"_placeholderLabel.textColor"];