NSDictionary *attrs = @{NSForegroundColorAttributeName:[UIColor blackColor]};
textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"文字" attributes:attrs];
NSDictionary *attrs = @{NSForegroundColorAttributeName:[UIColor blackColor]};
textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"文字" attributes:attrs];
本文标题：iOS TextField中placeholder颜色设置
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