Title: ZigZag Image Captcha for Contact Form 7 Author: Suraj Kumar Sinha Published: 2025 年 12 月 2 日 Last modified: 2025 年 12 月 31 日 --- 搜索插件 ![](https://ps.w.org/zigzag-image-captcha-cf7/assets/banner-772x250.png?rev=3419384) ![](https://ps.w.org/zigzag-image-captcha-cf7/assets/icon-256x256.png?rev=3419384) # ZigZag Image Captcha for Contact Form 7 作者：[Suraj Kumar Sinha](https://profiles.wordpress.org/surajkumarsinha/) [下载](https://downloads.wordpress.org/plugin/zigzag-image-captcha-cf7.1.1.zip) * [详情](https://cn.wordpress.org/plugins/zigzag-image-captcha-cf7/#description) * [评价](https://cn.wordpress.org/plugins/zigzag-image-captcha-cf7/#reviews) * [开发进展](https://cn.wordpress.org/plugins/zigzag-image-captcha-cf7/#developers) [支持](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/) ## 描述 **ZigZag Image Captcha for Contact Form 7** adds a powerful, image-based captcha field designed to protect your forms from spam and bots. The plugin generates a **zig-zag distorted captcha image** with background noise, dots, lines, and randomized angles — making it extremely difficult for automated bots to solve. It integrates seamlessly with **Contact Form 7**, works fully with **AJAX submissions**, and displays **native CF7 validation errors**. ### 🔒 Features * Secure zig-zag distorted image captcha * Random characters with noise, distortion, and angled letters * One-click image refresh * Session-based secure validation * Expiration timer with auto-regeneration * Native Contact Form 7 error messages * Works with AJAX and non-AJAX forms * Lightweight and optimized * No external API required * Fully responsive and accessible ### ⚙️ Notes * Requires **Contact Form 7** to be installed and active * No third-party services or tracking * Fully self-hosted captcha generation ### How to Use 1. Open **Contact Form 7 Edit Form** 2. Insert the captcha field where you want it to appear: `[imagecaptcha* cf7_image_captcha]` 3. Save the form 4. Done! 🎉 The captcha will automatically validate submissions > The `*` makes the captcha field **required**. ## 评价 ![](https://secure.gravatar.com/avatar/32caff2750679aab991b046d1a36307508012ac00a65c94bc112704434560888? s=60&d=retro&r=g) ### 󠀁[Simple and Effective Spam Protection](https://wordpress.org/support/topic/simple-and-effective-spam-protection/)󠁿 [saalim02091999](https://profiles.wordpress.org/saalim02091999/) 2025 年 12 月 26 日 Simple and effective plugin that adds an extra layer of spam protection without hurting user experience. It is lightweight, easy to configure, and works seamlessly with Contact Form 7. [ 阅读所有1条评价 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/) ## 贡献者及开发者 「ZigZag Image Captcha for Contact Form 7」是开源软件。 以下人员对此插件做出了贡献。 贡献者 * [ Suraj Kumar Sinha ](https://profiles.wordpress.org/surajkumarsinha/) [帮助将「ZigZag Image Captcha for Contact Form 7」翻译成简体中文。](https://translate.wordpress.org/projects/wp-plugins/zigzag-image-captcha-cf7) ### 对开发感兴趣吗? 您可以[浏览代码](https://plugins.trac.wordpress.org/browser/zigzag-image-captcha-cf7/)， 查看[SVN仓库](https://plugins.svn.wordpress.org/zigzag-image-captcha-cf7/)，或通过 [RSS](https://plugins.trac.wordpress.org/log/zigzag-image-captcha-cf7/?limit=100&mode=stop_on_copy&format=rss) 订阅[开发日志](https://plugins.trac.wordpress.org/log/zigzag-image-captcha-cf7/)。 ## 额外信息 * 版本 **1.1** * 最后更新：**5 月前** * 活跃安装数量 **20+** * WordPress 版本 ** 5.0 或更高版本 ** * 已测试的最高版本为 **6.9.4** * PHP 版本 ** 7.4 或更高版本 ** * 语言 * [English (US)](https://wordpress.org/plugins/zigzag-image-captcha-cf7/) * 标签 * [captcha](https://cn.wordpress.org/plugins/tags/captcha/)[cf7](https://cn.wordpress.org/plugins/tags/cf7/) [contact form 7](https://cn.wordpress.org/plugins/tags/contact-form-7/)[form security](https://cn.wordpress.org/plugins/tags/form-security/) [image captcha](https://cn.wordpress.org/plugins/tags/image-captcha/) * [高级视图](https://cn.wordpress.org/plugins/zigzag-image-captcha-cf7/advanced/) ## 评级 5 星（最高 5 星）。 * [ 1 条 5 星评价 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=5) * [ 0 条 4 星评价 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=4) * [ 0 条 3 星评价 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=3) * [ 0 条 2 星评价 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=2) * [ 0 条 1 星评价 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=1) [Your review](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/#new-post) [查看全部评论](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/) ## 贡献者 * [ Suraj Kumar Sinha ](https://profiles.wordpress.org/surajkumarsinha/) ## 支持 有话要说吗？是否需要帮助？ [查看支持论坛](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/)