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How to convert html to pdf
- coldplay.xixiOriginal
- 2021-04-27 14:49:1527689browse
Methods to convert html to pdf: 1. Use [html2canvas jsPDF] which is a special method to generate pdf in front-end js; 2. The quality of pdf generated by iText method will be higher; 3. wkhtmltopdf software generates pdf Supports multiple methods.
The operating environment of this tutorial: windows7 system, html5 version, DELL G3 computer.
Method to convert html to pdf:
1. html2canvas jsPDF
This method is essentially a way to generate pdf in front-end js Method, just import a few js files and write some js calls. The essence is to use js to traverse all dom nodes in the page, then convert them into canvas, and then call jsPDF to convert the canvas into PDF. I have also tried this There are two ways to generate PDF. One of the experiences is that the converted PDF has serious frame loss and serious deformation (of course this does not rule out the problem of my HTML code specification). The other is that when there are too many pages, it will cause the browser to crash and the speed is too slow.
2. iText
The quality of the pdf generated by this method will be higher, but the back-end implementation steps are too complicated and require the installation of fonts. The requirements for html code are also relatively high and lack An error will be reported when labeling. I have not tried this method. At that time, I was directly attracted by the third method
3. wkhtmltopdf
This method is relatively simple to implement. wkhtmltopdf is a Software, this software supports multiple ways to generate pdf. You can directly use the web page URL to convert the page into pdf, or you can use local files to convert it into pdf. The conversion result is extremely perfect, and the implementation process is relatively simple. So I think this is the best way to convert html to pdf. The renderings are shown below
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