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Example code of yzh52521/webman-throttle

Informations about the package webman-throttle

webman-throttle

作用

通过本中间件可限定用户在一段时间内的访问次数，可用于保护接口防爬防爆破的目的。

安装

安装后会自动为项目生成 config/plugin/yzh52521/throttle/app.php (注意:任何时候你都不应该修改最后一行的 hash注释)配置文件，安装后组件不会自动启用，需要手动设置。

开启

插件以中间件的方式进行工作，因此它的开启与其他中间件一样，例如在全局中间件中使用:

配置说明

当配置项满足以下条件任何一个时，不会限制访问频率：

其中 key 用来设置缓存键的, 而 visit_rate 用来设置访问频率，单位可以是秒，分，时，天。例如：1/s, 10/m, 98/h, 100/d , 也可以是 100/600 （600 秒内最多 100 次请求）。

灵活定制

示例一：针对用户个体做限制,key的值可以设为函数，该函数返回新的缓存键值(需要Session支持)，例如：
实例二：在回调函数里针对不同控制器和方法定制生成key，中间件会进行转换:
示例三：在闭包内修改本次访问频率或临时更换限流策略：(PS：此示例需要本中间件在路由中间件后启用，这样预设的替换功能才会生效。)
示例四：在路由中独立配置

注意：

1、Webman-framework >= 1.3.16 支持路由向中间件传参 使用 $route->param() 方法
2、禁止访问时，throttle 默认是抛出 HttpResponseException, 当前插件场景下将正常响应一个httpResponse（即不会主动:Throw Exception），特殊需求请在 "visit_fail_response" 匿名函数中配置

申明

本库提取于think-throttle v1.3.x

All versions of webman-throttle with dependencies

PHP Build Version
Package Version
Requires php Version >=7.2
workerman/webman-framework Version ^1.2.1
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