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Function to read and save website page from Metatrader - http/https

MQL4 资料库 脚本 HTML 收集网络数据 向网站上传数据

工作已完成

执行时间23 小时

指定

I need a function that can query a webpage and save the content in a string for further manipulation

  • Function will be included in a mqh file
  • Works on Metatrader MT4, bonus if it works on MT5 as well
  • Works on Scripts, Indicators and Experts
  • No WebRequest native mql functions, it is my understanding that it doesn't work on indicators
  • Works on Windows client and server Operating System
  • Must work with HTTP and HTTPS
  • Preferable the use of native dll on Windows
  • Will need source code extensively commented to understand what the code is doing, I know some coding and want to understand the logic and code to support it later on
  • Must be tested and working with URLs coming from https://mql4tradingautomation.com/

Function in/out

  • Function input: URL in the format http://webpage or https://webpage
  • Function output: string containing the data of the webpage
  • Function return: true if the request was successful, false if the request failed

Function safety checks:

  • Function must include a check of the http return code, 200 successful, possible errors (401, 404, 503 and so on) usually this information is included, so that if the request fails we can print the error code
  • Function must include a timeout, if the request takes too long (timeout as parameter) the function stops returning a fail

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