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This article is to share with you about the principle of PHP exporting Word documents, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article. Don't say much, follow the editor to have a look.

PHP language can be used by us to implement many functions. For example, in website construction, we often use web pages to export data. Today I will introduce to you the principle of exporting Word documents from PHP.

In general, there are two ways to export an doc document, one is to use com and install it on the server as an extension library of php, then create a com and call its methods. A server that has installed office can call a com called word.application, which can generate word documents, but I don't recommend it because it is inefficient (I tested that when the code is executed, the server actually opens a word client). The ideal com should have no interface and perform data conversion in the background, which will work better, but these extensions generally cost a fee.

The second method is to use PHP to export the contents of the Word document directly into a file with the suffix doc. Using this method does not need to rely on third-party extensions and is more efficient.

Word itself is still very powerful, it can open files in html format, and can retain the format, even if the suffix is doc, it can recognize the normal opening. This provides us with convenience. But there is a problem, the picture in the html format file has only one address, and the real picture is saved somewhere else, that is, if the HTML format is written into doc, then the doc will not be able to contain the picture. So how do we create an doc document that contains pictures? We can use the mht format, which is very similar to html.

The mht format is similar to html, except that in mht format, externally linked files, such as pictures, Javascript, and CSS, are encoded and stored by base64. Therefore, a single mht file can hold all the resources in a web page, and of course, it will be larger than html.

Can mht format be recognized by word? I save a web page as mht, then change the suffix to doc, and then open it with word. OK,word can also recognize the mht file and display pictures.

Well, now that doc can recognize mht, here's how to put an image into mht. Because the address of the picture in the html code is written in the src attribute of the img tag, you can get the picture address by extracting the value of the src attribute in the html code. Of course, it's possible that what you get is a relative path, it doesn't matter, just add the prefix of URL and change it to an absolute path. With the image address, we can obtain the specific content of the image file through the file_get_content function, and then call the base64_encode function to encode the file content into base64 encoding, and then insert it into the appropriate location of the mht file.

*. There are two ways for PHP to export Word documents to send files to the client. One is to generate a doc document on the server, and then record the address of the doc document through header ("location:xx.doc"). The client can download the doc. The other is to send the html request directly, modify the header part of the HTML protocol, set its content-type to application/doc, set the content-disposition to attachment, followed by the file name, send the file content directly to the client after sending the html protocol, or let the client download the doc document.

These are the principles of PHP exporting Word documents. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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