mime

导出为图片 1.将页面html转换成图片 npm install html2canvas --save 2.在需要导出的页面引入 import html2canvas from 'html2canvas'; 3.在 methods 中添加方法 dataURLToBlob(dataurl) {//ie 图片转格式 var arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1], bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n); while (n--) { u8arr[n] = bstr.charCodeAt(n); } return new Blob([u8arr], {type: mime}) }, downloadResult(name) { let canvasID = document.body let a = document.createElement('a'); html2canvas(canvasID).then(canvas => { let dom = document.body.appendChild(canvas); dom.style.display = "none"; a.style.display = "none

This question is to piggy back off of a previous one I asked yesterday , which deals with moving the create/edit feature of a model onto its index page. One last issue I am having is that I when I go to delete a model, I have some javascript that is supposed to run that reloads the list of models to reflect the change in the database. This js is being rendered as html. Here is the code that I think is relevant: in my controller: def destroy @post = Post.find(params[:id]) @post.destroy flash[:notice] = "Successfully destroyed post." @posts = Post.all respond_to do |format| format.js {render