nodejs使用ccap模块生成图片验证码
装全局安装node-gyp。执行npm install -g node-gyp3、安装ccap(需要C++编译环境)npm install ccap生成的图片示例:var ccap = require('ccap');var captcha1 = ccap();var captcha2 = ccap(width, height, offset);var captcha3 = ccap({ width:256,//set width,default is 256 height:60,//set height,default is 60 offset:40,//set text spaci