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How can I run javascript codes, css files and javascript files into wkhtmltopdf in asp.net core api project? RRS feed

  • 問題

  • I use the Chart.js library to draw charts, but I use the wkhtmltopdf library to convert pdf. But my javascrip codes and css codes are not working. How can I make it work?
    2022年6月17日 下午 03:01

所有回覆

  • Try some online tool
    2022年6月20日 上午 11:10
  • If you're like me, you probably use the Chart.js library to draw charts. But you may have noticed that your javascript codes and CSS codes don't work when you try to convert your chart to a PDF. This can be frustrating, but there is a way to make it work.

    The first thing you need to do is make sure you're using the latest version of wkhtmltopdf. As of this writing, that's version 0.12.4. You can download it here.

    Once you have the latest version, open up a command prompt and navigate to the folder where your chart.js file is located. Then, type the following command:

    wkhtmltopdf --javascript-delay 2000 chart.js chart.pdf

    This will generate a PDF of your chart, and the javascript will be executed properly. The 2000 is the number of milliseconds to wait for the javascript to load, so you may need to experiment with that number to get it just right.

    If your CSS isn't working, you can try adding the --print-media-type flag:

    wkhtmltopdf --javascript-delay 2000 --print-media-type chart.js chart.pdf


    This should fix the problem. If not, don't forget to get experts solution.
    2022年7月28日 上午 07:04
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