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ccap

node.js generate captcha using c++ library CImg without install any other lib or software

node-ccap —— node.js generate captcha using c++ library CImg.

You can generate captcha without install any other libraries or software, only do npm install ccap, that‘s all.

node-ccap support linux and windows.

compile maybe cost you 1 minute,simply wait;

performance

generate captcha picture 697/sec;

Install

npm install ccapvar ccap = require(‘ccap‘)

Instantiated

these three ways all will be ok:var captcha = ccap();var captcha = ccap(width, height, offset);var captcha = ccap({width:256,//set width,default is 256height:60,//set height,default is 60offset:40,//set text spacing,default is 40quality:100,//set pic quality,default is 50generate:function(){//Custom the function to generate captcha text     //generate captcha text here     return text;//return the captcha text}});

　　

API

var captcha = ccap();var ary = captcha.get();//ary[0] is captcha‘s text,ary[1] is captcha picture buffer.var text = ary[0];var buffer = ary[1];

　　

Simple Example

 

var http = require(‘http‘);var ccap = require(‘../‘)();//Instantiated ccap classhttp.createServer(function (request, response) {if(request.url == ‘/favicon.ico‘)return response.end(‘‘);//Intercept request favicon.icovar ary = ccap.get();var txt = ary[0];var buf = ary[1];response.end(buf);console.log(txt);}).listen(8124);console.log(‘Server running at http://127.0.0.1:8124/‘);

　　

授權協議

基於MIT協議發布：

The MIT License Permission is hereby granted, free of charge, to any person obtaininga copy of this software and associated documentation files (the"Software"), to deal in the Software without restriction, includingwithout limitation the rights to use, copy, modify, merge, publish,distribute, sublicense, and/or sell copies of the Software, and topermit persons to whom the Software is furnished to do so, subject tothe following conditions: The above copyright notice and this permission notice shall beincluded in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OFMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE ANDNONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BELIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTIONOF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTIONWITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

　　

 

wemall 開源微商城 ，商城，商城源碼，三級分銷，微生鮮，微水果，微外賣，微訂餐---專業的o2o系統 wemall地址：http://www.wemallshop.com 

代碼詳情：http://js.koahub.com/home/feature/ccap

KoaHub.JS基於Node.js開發的Koa 產生驗證碼外掛程式代