python c++读取网络图片性能对比

      import time
      import numpy as np
      import cv2
      import requests
      urls=["http://www.pptbz.com/pptpic/UploadFiles_6909/201203/2012031220134655.jpg","http://pic22.nipic.com/20120714/9622064_105642209176_2.jpg","http://pic104.nipic.com/file/20160715/6171480_185807154956_2.jpg",
      "http://www.pptbz.com/pptpic/UploadFiles_6909/201203/2012031220134655.jpg"]
      for i in urls:
       start=time.time()
       file = requests.get(i)
       img = cv2.imdecode(np.fromstring(file.content, np.uint8), 1) #file.content 是读取的远程文件的字节流
       print('time',time.time()-start)
  
 

时间：

time 0.4249999523162842
time 0.546999454498291
time 0.5099942684173584
time 0.3579742908477783

      #include <Windows.h>
      #include <tchar.h>
      #include <iostream>
      #include <urlmon.h>
      #pragma comment(lib
  
 

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原文链接：blog.csdn.net/jacke121/article/details/88761116