iOS 修改TextField中的placeholder字体大小和颜色

xiaoxiao2021-02-28  14

1.在iOS6.0之前提供的attributedPlaceholder属性: textField.placeholder = @"请输入用户名!"; [textField setValue:[UIColor redColor] forKeyPath:@"_placeholderLabel.textColor"]; [textField setValue:[UIFont boldSystemFontOfSize:16] forKeyPath:@"_placeholderLabel.font"]; 2.在iOS6.0之后提供的attributedPlaceholder属性: UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(0, 0, 200, 200)]; NSString *holderText = @"请输入密码!"; NSMutableAttributedString *placeholder = [[NSMutableAttributedString alloc] initWithString:holderText]; [placeholder addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, holderText.length)]; [placeholder addAttribute:NSFontAttributeName value:[UIFont boldSystemFontOfSize:16] range:NSMakeRange(0, holderText.length)];textField.attributedPlaceholder = placeholder; [cell.contentView addSubview:textField];

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