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### 一、需求
希望**監控**微博熱搜排行榜，并進行動態展示。
鏈接：`https://s.weibo.com/top/summary?cate=realtimehot`
![](http://imgs.bizha.top//7b8dc8313f4764608aa19c795c5bc67d)

### 二、爬蟲
通過`xpath`插件可發現熱搜關鍵詞的xpath為

`//*[@id="pl_top_realtimehot"]/table/tbody/tr[position()>1]/td[2]/a`
![](http://imgs.bizha.top//319f94677ae0e053f69fe12b63e6c683)
搜索量的`xpath`為
`//*[@id="pl_top_realtimehot"]/table/tbody/tr[*]/td[2]/span`
![](http://imgs.bizha.top//c9bb56866ad28a3b1c097b2d01179ccc)

完整代碼：`https://github.com/yoval/WeiboHotSearch`

### 三、數據可視化
修改項目`https://github.com/Jannchie/Historical-ranking-data-visualization-based-on-d3.js`，導入數據，可錄制成視頻。
<iframe src="//player.bilibili.com/player.html?aid=40920974&bvid=BV18t411h77T&cid=71878333&page=1" scrolling="auto" border="0" frameborder="no" framespacing="0" allowfullscreen="true" width=800 height=600 > </iframe>





                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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