-
-
Save tomoat/fb4dbbe02dfbad7bc0ebc0a0a3850ff9 to your computer and use it in GitHub Desktop.
node.js http tool to handle GBK encoding
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/** | |
* @fileOverview http请求的工具操作集,包含请求超时时间设置 | |
* @module tool/httpHelper | |
*/ | |
var http = require('http'); | |
var https = require('https'); | |
var qs = require('querystring'); | |
var iconv = require('iconv-lite'); | |
var BufferHelper = require('bufferhelper'); | |
/** | |
* @exports tool/httpHelper | |
*/ | |
var httpHelper = { | |
/** | |
* @description 发起远程请求的基础方法 | |
* @param {Object} options 请求选项 | |
* @param {String} [options.protocol='http'] 请求协议 | |
* @param {String} [options.method='get'] 请求方法,get、post... | |
* @param {Object=} options.headers 请求头 | |
* @param {String=} options.encode 请求数据的编码格式,如果是gbk,使用escape编码 | |
* @param {Boolean=} [options.json=false] 发送的是否json数据 | |
* @param {Boolean=} [options.buffer=false] 是否直接返回二进制数据 | |
* @param {Number=} timeout 超时时间,单位为毫秒 | |
* @param {Object=} data 请求发送的数据对象 | |
* @param {RequestCallback} callback 处理请求响应的回调方法,查看 {@link RequestCallback} | |
* @param {String} [encoding='utf-8'] 编码格式 | |
*/ | |
request: function (options, timeout, data, callback, encoding) { | |
var httpLib = http; | |
if (options.protocol && options.protocol === 'https:') { | |
httpLib = https; | |
} | |
var content = {}; | |
if (options.json) { | |
content = JSON.stringify(data); | |
} else { | |
content = (options.encode && options.encode.toLocaleLowerCase() == 'gbk') ? qs.stringify(data, null, null, {encodeURIComponent: escape}) : qs.stringify(data); | |
} | |
if (options.method.toLowerCase() === 'post') { | |
options.headers = options.headers || {}; | |
options.headers['Content-Type'] = options.json ? 'application/json' : 'application/x-www-form-urlencoded'; | |
options.headers['Content-Length'] = Buffer.byteLength(content); | |
} | |
/** 为true时直接返回数据流 */ | |
options.buffer = options.buffer || false; | |
var req = httpLib.request(options, function (res) { | |
var bufferHelper = new BufferHelper(); | |
res.on('data', function (chunk) { | |
bufferHelper.concat(chunk); | |
}); | |
res.on('end', function () { | |
var _data; | |
if (options.buffer) { | |
_data = bufferHelper.toBuffer(); | |
} | |
else { | |
if (typeof encoding != 'undefined' && encoding !== null) { | |
_data = iconv.decode(bufferHelper.toBuffer(), encoding); | |
} else { | |
_data = iconv.decode(bufferHelper.toBuffer(), 'utf-8'); | |
} | |
} | |
callback(null, _data, res, req); | |
}); | |
}); | |
req.on('error', function (err) { | |
callback(err); | |
}); | |
req.write(content); | |
if (timeout && timeout > 0) { | |
req.setTimeout(timeout, function () { | |
callback(new Error('request timeout'), ''); | |
}); | |
} | |
req.end(); | |
}, | |
/** | |
* @description 以GET的方式发起远程请求 | |
* @param {String} url 请求地址 | |
* @param {Number=} timeout 超时时间,单位为毫秒 | |
* @param {RequestCallback} callback 处理请求响应的回调方法,查看 {@link RequestCallback} | |
* @param {String} [encoding='utf-8'] 编码格式 | |
* @param {Object=} header 请求头对象 | |
*/ | |
get: function (url, timeout, callback, encoding, header) { | |
var options = require('url').parse(url); | |
options.method = 'GET'; | |
if (header) { | |
options.headers = header; | |
} | |
this.request(options, timeout, {}, callback, encoding); | |
}, | |
/** | |
* @description 以POST的方式发起远程请求 | |
* @param {String} url 请求地址 | |
* @param {Number=} timeout 超时时间,单位为毫秒 | |
* @param {Object=} data 请求发送的数据对象 | |
* @param {RequestCallback} callback 处理请求响应的回调方法,查看 {@link RequestCallback} | |
* @param {String} [encoding='utf-8'] 编码格式 | |
* @param {Object=} header 请求头对象 | |
* @param {String=} reqEncoding 请求数据的编码格式,如果是gbk,使用escape编码 | |
* @param {Boolean=} [json=false] 发送的是否json数据 | |
*/ | |
post: function (url, timeout, data, callback, encoding, header, reqEncoding, json) { | |
var options = require('url').parse(url); | |
options.method = 'POST'; | |
if (header) { | |
options.headers = header; | |
} | |
if (reqEncoding) { | |
options.encode = reqEncoding; | |
} | |
if (json) { | |
options.json = json; | |
} | |
this.request(options, timeout, data, callback, encoding); | |
} | |
}; | |
/** | |
* @description 处理请求响应的回调方法 | |
* @callback RequestCallback | |
* @param {Object} err 请求或响应的错误对象 | |
* @param {string} data 响应的数据 | |
* @param {Object} res 响应流对象 | |
*/ | |
module.exports = httpHelper; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment