node中https请求

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1 get请求
下面实现https的请求，获取图片，然后转成base64字节码

this.checkCodeUrl = 'https://www.test.com/kaptcha.jsp';var https = require('https');https.get(this.checkCodeUrl,function(res){        var datas = [];        var size = 0;        res.on('data', function(data){            datas.push(data);            size += data.length;        })        res.on('end', function(data){            var buff = Buffer.concat(datas, size);            var pic = buff.toString('base64');            callback({success:true, data:pic});        })    }).on('error',function(err){        console.log('获取验证码异常,异常原因'+err);        callback({success:false, msg:'获取验证码失败'});    })

2 post请求
我这里因为返回的字符是gbk，所以做了对应处理。

var https = require('https');var iconv = require('iconv-lite');var querystring = require("querystring");var reqData = {            str1:'11',            str2:'22'        }        var postData = querystring.stringify(reqData);        var opts = {            method:'POST',            host:'www.test.com',            port:'443',            path:'/api/test',            headers:{                'Content-Type':'application/x-www-form-urlencoded',                'Content-Length':postData.length            }        }        var req = https.request(opts,function(res){            var datas = [];            var size = 0;            res.on('data',function(data){                datas.push(data);                size += data.length;            })            res.on('end', function(){                var buff = Buffer.concat(datas, size);                var str = iconv.decode(buff,'gbk');                callback({success:true, data:str});            })        })        req.on('error',function(err){            console.log('异常,异常原因'+err);            callback({success:false, msg:'失败'});        })        req.write(postData);

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