2021-10-08 12:46:17 +08:00
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# itriton-captcha
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2021-10-08 14:01:47 +08:00
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### 介绍
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2021-10-08 13:57:37 +08:00
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生成滑动验证码拼图图片和背景图片
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2021-10-08 14:01:47 +08:00
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### 安装
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`npm i @itriton/captcha`
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2021-10-08 13:57:37 +08:00
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### 使用方法
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```
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const captcha = require('@itriton/captcha')
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2021-10-08 15:02:30 +08:00
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// 默认
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2021-10-08 13:57:37 +08:00
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captcha.create().then(res=>{
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console.log(res)
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})
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2021-10-08 15:02:30 +08:00
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// 自定义参数
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captcha.create(options).then(res=>{
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console.log(res)
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})
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2021-10-08 13:57:37 +08:00
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```
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2021-10-08 15:02:30 +08:00
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#### 参数
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| 属性名 | 类型 | 默认值 | 说明 |
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| --------- | ------- | ---------- | ----------------- |
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| size | Number | 30 | 默认拼图大小 |
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| width | Number | 270 | 图片宽度(px) |
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| height | Number | 144 | 图片高度(px) |
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| url | String | - | 图片路径 |
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#### 返回值
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| 属性名 | 类型 | 说明 |
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| --------- | ------- | ---------- |
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| backgroundImage | Base64 | 背景图片 |
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| jigsawImage | Base64 | 拼图图片 |
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| x | Number | x轴距离|
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2021-10-08 14:01:47 +08:00
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### 安装sharp失败的解决方案
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2021-10-08 13:57:37 +08:00
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切换成淘宝镜像再执行`npm install sharp`命令
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```
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npm config set sharp_binary_host "https://npm.taobao.org/mirrors/sharp"
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npm config set sharp_libvips_binary_host "https://npm.taobao.org/mirrors/sharp-libvips"
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npm install sharp
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```
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