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github.com/afocus/captcha

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github.com/afocus/captcha

  • v0.0.0-20191010092841-4bd1f21c8868
  • Source
  • Go
  • Socket score

Version published
Created
Source

golang实现的验证码 golang captcha

优点

  1. 使用简单
  2. 不依赖第三方图形库 直接go get 就Ok
  3. 丰富自定义设置(字体,多颜色,验证码大小,文字模式,文字数量,干扰强度)

demo

colorsamplecolor2

使用 Start using it

Download and install it:

go get github.com/afocus/captcha

必须设置font

最简单的示例 sample use
cap = captcha.New()
// 设置字体
cap.SetFont("comic.ttf")
// 创建验证码 4个字符 captcha.NUM 字符模式数字类型
// 返回验证码图像对象以及验证码字符串 后期可以对字符串进行对比 判断验证
img,str := cap.Create(4,captcha.NUM)
设置 set options
cap = captcha.New()
// 可以设置多个字体 或使用cap.AddFont("xx.ttf")追加
cap.SetFont("comic.ttf", "xxx.ttf")
// 设置验证码大小
cap.SetSize(128, 64)
// 设置干扰强度
cap.SetDisturbance(captcha.MEDIUM)
// 设置前景色 可以多个 随机替换文字颜色 默认黑色
cap.SetFrontColor(color.RGBA{255, 255, 255, 255})
// 设置背景色 可以多个 随机替换背景色 默认白色
cap.SetBkgColor(color.RGBA{255, 0, 0, 255}, color.RGBA{0, 0, 255, 255}, color.RGBA{0, 153, 0, 255})

img,str := cap.Create(4,captcha.NUM)
img1,str1 := cap.Create(6,captcha.ALL)
自定义字符串 custom captcha words
cap = captcha.New()
// 设置字体
cap.SetFont("comic.ttf")
img := cap.CreateCustom("hello")
网站中如果使用? how to use for web

look examples/main.go

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Package last updated on 10 Oct 2019

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