jquery.wordexport.js npm写法

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    因为项目需要html导出word文档,网上一顿搜,找到了jquery.wordexport.js,但是没有npm包,所以自己把代码改写了一下格式,支持在Vue项目里直接import引用。

    html导出word,npm包。

github.com/shuihan03/w…

import $ from 'jquery'

import { saveAs } from 'file-saver';

let wordExport=function(fileName){
fileName = typeof fileName !== 'undefined' ? fileName : "jQuery-Word-Export";
var staticInfo = {
mhtml: {
top: "Mime-Version: 1.0\nContent-Base: " + location.href + "\nContent-Type: Multipart/related; boundary=\"NEXT.ITEM-BOUNDARY\";type=\"text/html\"\n\n--NEXT.ITEM-BOUNDARY\nContent-Type: text/html; charset=\"utf-8\"\nContent-Location: " + location.href + "\n\n<!DOCTYPE html>\n<html>\n_html_</html>",
head: "<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n<style>\n_styles_\n</style>\n</head>\n",
body: "<body>_body_</body>"
}
};
var options = {
maxWidth: 624
};
// Clone selected element before manipulating it
var markup = $('main').clone();

// Remove hidden elements from the output
markup.each(function() {
var self = $(this);
if (self.is(':hidden'))
self.remove();
});

// Embed all images using Data URLs
var images = Array();
var img = markup.find('img');
for (var i = 0; i < img.length; i++) {
// Calculate dimensions of output image
var w = Math.min(img[i].width, options.maxWidth);
var h = img[i].height * (w / img[i].width);
// Create canvas for converting image to data URL
var canvas = document.createElement("CANVAS");
canvas.width = w;
canvas.height = h;
// Draw image to canvas
var context = canvas.getContext('2d');
context.drawImage(img[i], 0, 0, w, h);
// Get data URL encoding of image
var uri = canvas.toDataURL("image/png");
$(img[i]).attr("src", img[i].src);
img[i].width = w;
img[i].height = h;
// Save encoded image to array
images[i] = {
type: uri.substring(uri.indexOf(":") + 1, uri.indexOf(";")),
encoding: uri.substring(uri.indexOf(";") + 1, uri.indexOf(",")),
location: $(img[i]).attr("src"),
data: uri.substring(uri.indexOf(",") + 1)
};
}

// Prepare bottom of mhtml file with image data
var mhtmlBottom = "\n";
for (var i = 0; i < images.length; i++) {
mhtmlBottom += "--NEXT.ITEM-BOUNDARY\n";
mhtmlBottom += "Content-Location: " + images[i].location + "\n";
mhtmlBottom += "Content-Type: " + images[i].type + "\n";
mhtmlBottom += "Content-Transfer-Encoding: " + images[i].encoding + "\n\n";
mhtmlBottom += images[i].data + "\n\n";
}
mhtmlBottom += "--NEXT.ITEM-BOUNDARY--";

//TODO: load css from included stylesheets
var styles = "";

// Aggregate parts of the file together
var fileContent = staticInfo.mhtml.top.replace("_html_", staticInfo.mhtml.head.replace("_styles_", styles) + staticInfo.mhtml.body.replace("_body_", markup.html())) + mhtmlBottom;

// Create a Blob with the file contents
var blob = new Blob([fileContent], {
type: "application/msword;charset=utf-8"
});
saveAs(blob, fileName + ".doc");
}
export default wordExport;