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 --- 搜尋外掛 ![](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 由 [Suraj Kumar Sinha](https://profiles.wordpress.org/surajkumarsinha/) 開發 [下載](https://downloads.wordpress.org/plugin/zigzag-image-captcha-cf7.1.1.zip) * [詳細資料](https://tw.wordpress.org/plugins/zigzag-image-captcha-cf7/#description) * [使用者評論](https://tw.wordpress.org/plugins/zigzag-image-captcha-cf7/#reviews) * [開發資訊](https://tw.wordpress.org/plugins/zigzag-image-captcha-cf7/#developers) [技術支援](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/) ## 外掛說明 **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**. ## 使用者評論 ![](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. [ 閱讀全部 1 則使用者評論 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/) ## 參與者及開發者 以下人員參與了開源軟體〈ZigZag Image Captcha for Contact Form 7〉的開發相關工作。 參與者 * [ Suraj Kumar Sinha ](https://profiles.wordpress.org/surajkumarsinha/) [將〈ZigZag Image Captcha for Contact Form 7〉外掛本地化為台灣繁體中文版](https://translate.wordpress.org/projects/wp-plugins/zigzag-image-captcha-cf7) ### 對開發相關資訊感興趣？ 任何人均可[瀏覽程式碼](https://plugins.trac.wordpress.org/browser/zigzag-image-captcha-cf7/)、 查看 [SVN 存放庫](https://plugins.svn.wordpress.org/zigzag-image-captcha-cf7/)， 或透過 [RSS](https://plugins.trac.wordpress.org/log/zigzag-image-captcha-cf7/?limit=100&mode=stop_on_copy&format=rss) 訂閱[開發記錄](https://plugins.trac.wordpress.org/log/zigzag-image-captcha-cf7/)。 ## 中繼資料 * 版本 **1.1** * 最後更新 **4 個月前** * 啟用安裝數 **20+** * WordPress 版本需求 ** 5.0 或更新版本 ** * 已測試相容的 WordPress 版本 **6.9.4** * PHP 版本需求 ** 7.4 或更新版本 ** * 語言 * [English (US)](https://wordpress.org/plugins/zigzag-image-captcha-cf7/) * 標籤 * [captcha](https://tw.wordpress.org/plugins/tags/captcha/)[cf7](https://tw.wordpress.org/plugins/tags/cf7/) [contact form 7](https://tw.wordpress.org/plugins/tags/contact-form-7/)[form security](https://tw.wordpress.org/plugins/tags/form-security/) [image captcha](https://tw.wordpress.org/plugins/tags/image-captcha/) * [進階檢視](https://tw.wordpress.org/plugins/zigzag-image-captcha-cf7/advanced/) ## 評分 5 星，滿分為 5 星 * [ 1 個 5 星使用者評論 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=5) * [ 0 個 4 星使用者評論 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=4) * [ 0 個 3 星使用者評論 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=3) * [ 0 個 2 星使用者評論 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=2) * [ 0 個 1 星使用者評論 ](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) [查看全部使用者評論](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/) ## 參與者 * [ Suraj Kumar Sinha ](https://profiles.wordpress.org/surajkumarsinha/) ## 技術支援 使用者可在技術支援論壇提出意見反應或使用問題。 [檢視技術支援論壇](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/)