How does the node server achieve the acquisition of Douban data (code)-JS Tutorial-php.cn

How does the node server achieve the acquisition of Douban data (code)

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Release： 2018-08-08 11:00:36

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The content of this article is about how the node server implements the acquisition of Douban data (code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="jquery-1.11.0.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
    <input type="text" class="ipt" />
    <button>获取数据</button>
    <ul>
 
    </ul>
</body>
<script type="text/javascript">
    
//    $(&#39;button&#39;).click(function(){
//        $.ajax({
//            type:"post",
//            url:"http://localhost:3000",
//            data:{name:$(&#39;.ipt&#39;).val()},
//            success:function(data){
//                console.log(data)
//            }
//        });
//    })
 
 
    $(&#39;button&#39;).click(function(){
        $.ajax({
            type:"get",
            url:"http://localhost:3000",
            dataType:&#39;json&#39;,
            success:function(data){
                console.log(data)
                data.map(function(item){
                    $(&#39;ul&#39;).append(&#39;<li>&#39;+item+&#39;</li>&#39;)
                })
            }
        });
    })
    
    
</script>
</html>

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const https=require(&#39;https&#39;);
var http=require(&#39;http&#39;)
const options = {
  hostname: &#39;api.douban.com&#39;,
  port: 443,
  path: &#39;/v2/movie/top250&#39;,
  method: &#39;GET&#39;
};
var str=&#39;&#39;
var arr=[]
//发起请求
const req = https.request(options, (res) => {
 
      res.on(&#39;data&#39;, (d) => {
//        console.log(d.toString())
        str+=d;    
      });
      
      res.on(&#39;end&#39;,()=>{
          var list=JSON.parse(str).subjects
          list.map(function(item){
              arr.push(item.title) 
          })
          
      })
});
 
http.createServer((req,res)=>{
    res.writeHead(200,{&#39;content-type&#39;:&#39;text/html;charset=utf-8&#39;,&#39;Access-Control-Allow-Origin&#39;:&#39;*&#39;})
    if(req.url!=&#39;/favicon.ico&#39;){
        res.write(JSON.stringify(arr))
        res.end()
    }
}).listen(3000)
 
 
//请求失败
req.on(&#39;error&#39;, (e) => {
  console.error(e);
});
//结束请求
req.end();

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