请问验证表单时，如果输入错误，表单边框变成红色怎么做？

[eluser]Unknown[/eluser]
请问验证表单时，如果输入错误，表单边框变成红色怎么做？

谢谢。


Edit by walesmd:

Will the verification form, if the input error, forms the border turns red how to do?

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