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github Restful API使用较为方便：

比如使用restful API读取用户id为i042416的明细：

https://api.github.com/users/i042416

再比如读取KnowledgeRepository这个仓库的第一条issue：

https://api.github.com/repos/i042416/KnowlegeRepository/issues/1

https://www.jianshu.com/p/a0c7d0482415

我需要打印出title属性：

body就是正文字段：

源代码如下：

var request = require('request');

var url = "https://api.github.com/repos/i042416/KnowlegeRepository/issues/2214";



var getIssueOptions = {
        url: url,
        method: "GET",
        json:true,
        headers: {
            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36"
        }
};

function getIssue() {
  return new Promise(function(resolve,reject){
      var requestC = request.defaults({jar: true});
      console.log("Step1: get issue via url: " + url );

      requestC(getIssueOptions,function(error,response,body){
        if(error){
          console.log("error occurred: " + error);
          reject(error);
        }
        console.log("title:" + body.title);
        console.log("body: " + body.body);
      }); 
     });
}

function displayResult(oResult){
  // console.log(oResult);
  var size = oResult.d.results.length;

  for( var i = 0; i < size; i++){
    var item = oResult.d.results[i];
    console.log("city: " + item.City);
    console.log("ContactLevelName: " + item.ContactLevelName);
  }
}

getIssue();

执行后的效果：