苏宁API调用示例（Node.js）

.NET调试实在太慢了，当程序越来越复杂，越来越大。重启时间就越长！每次改点什么要花20~30时间等待程序重启真是蛋疼。这方面脚本就好用多了，不用编译，加载迅速。用来作试验是最好不过了。

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var dateUtils = require("date-utils");
var crypto = require('crypto');
var blueBird = require('bluebird');
var http = require('http');
var iconv = require('iconv-lite');

var dateFormat = "YYYY-MM-DD HH24:MI:SS";

var apiVer = "1.2";
var appKey = "***";
var appScret = "***";
var accessToken = "***";

var md5 = crypto.createHash('md5');

var execute = function(apiMethod, requestData, callback) {
  var requestJson = JSON.stringify({
    "sn_request": {
      "sn_body": requestData
    }
  });
  var requestTime = (new Date()).toFormat(dateFormat);
  var headers = {
    "Accept": "*/*",
    "content-type": 'application/json',
    "content-length": requestJson.length,
    "AppMethod": apiMethod,
    "AppRequestTime": requestTime,
    "AppKey": appKey,
    "VersionNo": apiVer,
    "format": "json",
    "signInfo": signRequest(apiMethod, requestJson, requestTime),
    "access_token": accessToken
  };
  var options = {
    "hostname": "open.suning.com",
    "path": "/api/http/sopRequest",
    "method": "POST",
    "headers": headers
  };
  var req = http.request(options, function(res) {
    var contentType = res.headers['content-type'];
    var isHtml = contentType == 'text/html';
    res.pipe(iconv.decodeStream(isHtml ? 'gb2312' : 'utf-8'))
        .collect(function(err, body) {
          if (isHtml)
            return console.log(body);
          callback(null, JSON.parse(body)['sn_responseContent'])
        });
  });
  req.write(requestJson);
  req.on('error', callback);
  req.end();
};

var execAsync = blueBird.promisify(execute);

var signRequest = function(apiMethod, requestJson, requestTime) {
  var data1 = base64Encode(requestJson);
  var data2 = [appScret, apiMethod, requestTime, appKey, apiVer, data1].join('');
  return md5.update(data2).digest('hex');
}

var base64Encode = function(text) {
  return new Buffer(text).toString('base64');
}

var apiMethod = "suning.custom.rejectedord.query";
var apiRequest = {
  "batchQueryRejected": {
    "startTime": "2015-04-07 00:00:01",
    "endTime": "2015-04-08 00:00:00"
  }
};
execAsync(apiMethod, apiRequest).then(function(data) {
  console.log(JSON.stringify(data, null, 2));
}).catch(function(err) {
  console.log(err);
})

每次要观察API的时候改下代码，命令窗口打一下 node suning.js 就O了。速度杠杠的

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