Server field validator—adds server-side validation to HTML form fields.

服务器字段验证器 — 向 HTML 表单字段添加服务器端验证。

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I believe this is the most significant issue with client-side validation.

我认为这是客户端确认的最重要的问题。

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This article shows how to implement both client-side and server-side validation.

本文展示如何实现客户端和服务器端验证。

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