依赖: html2canvas
- function dataURLtoFile(dataurl, filename) {
- 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 File([u8arr], filename, {type:mime});
- }
- //Usage example:
- function takeScreenshot() {
- html2canvas(document.body,{
- allowTaint: true,
- foreignObjectRendering: true
- }).then(function(canvas) {
- //document.body.appendChild(canvas);
- var dataurl=canvas.toDataURL();
- var file = dataURLtoFile(dataurl,'cap.png');
- //var url = Windows.URL.createObjectURL(file);
- var a = document.createElement('a');
- var url = Windows.URL.createObjectURL(file);
- var filename = 'cap.png';
- a.href = url;
- a.download = filename;
- a.click();
- Windows.URL.revokeObjectURL(url);
- console.log(url);
- });
- }
来源: http://www.bubuko.com/infodetail-3357584.html