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Informations about the package laravel-captcha
laravel-captcha
适用于 Laravel 的验证码服务，支持 GD 和 ImageMagick 两种图像库。
环境需求
- PHP ^8.2
- PHP GD 扩展（需支持 FreeType）
- Laravel ^12.0 | ^13.0
如果希望使用 ImageMagick 代替 GD，需安装 PHP Imagick 扩展（支持 PNG 格式）。
安装
发布配置和字体文件
安装后，建议发布配置文件和字体文件到项目目录，以便自定义：
配置
发布配置文件后，可在 config/captcha.php 中调整以下参数：
| 参数 | 类型 | 默认值 | 说明 |
|---|---|---|---|
testLimit |
int | 3 |
同一验证码最多可验证次数，超过后自动刷新。设为 0 表示不限制 |
width |
int | 120 |
验证码图片宽度（像素） |
height |
int | 50 |
验证码图片高度（像素） |
padding |
int | 2 |
文字与图片边缘的内边距（像素） |
backColor |
int | 0xFFFFFF |
背景颜色（十六进制），默认白色 |
foreColor |
int | 0x2040A0 |
字体颜色（十六进制），默认蓝色 |
transparent |
bool | false |
是否使用透明背景 |
minLength |
int | 6 |
验证码最小长度 |
maxLength |
int | 7 |
验证码最大长度 |
offset |
int | -2 |
字符间距，增大可提高可读性 |
fontFile |
string | resource_path('fonts/SpicyRice.ttf') |
TrueType 字体文件路径 |
imageLibrary |
string | 'gd' |
图像渲染库，可选 'gd' 或 'imagick'，留空则自动检测 |
使用
1. 显示验证码
安装后自动注册路由，直接访问即可输出验证码图片：
在表单中引用：
点击图片即可刷新验证码。
2. AJAX 刷新验证码
通过添加 refresh 参数可以获取新的验证码信息（JSON 格式）：
返回内容：
使用返回的 url 更新图片 src 属性即可刷新验证码。
3. 表单验证
方式一：使用自定义验证规则（推荐）
包中注册了 captcha 验证规则，可直接在验证规则中使用：
方式二：手动验证
通过 Captcha Facade 手动验证用户输入：
4. 在测试环境固定验证码
在 phpunit 等测试环境中，验证器会自动将验证码固定为 1234，方便编写自动化测试。
也可以手动设置固定验证码：
License
MIT License
All versions of laravel-captcha with dependencies
PHP Build Version
Package Version
Requires
php Version
^8.2
ext-gd Version *
illuminate/support Version ^12.0|^13.0
illuminate/routing Version ^12.0|^13.0
illuminate/http Version ^12.0|^13.0
ext-gd Version *
illuminate/support Version ^12.0|^13.0
illuminate/routing Version ^12.0|^13.0
illuminate/http Version ^12.0|^13.0
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