//div背景设成白色style="background:#fff;" var saveFile = function (data, filename) { var save_link = document.createElementNS('http://www.w3.org/1999/xhtml', 'a'); save_link.href = data; save_link.download = filename; var event = document.createEvent('MouseEvents'); event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null); save_link.dispatchEvent(event); }; function setabc0(){ var content = $("#setabc0"); html2canvas(content, { onrendered: function (canvas) { //添加属性 canvas.setAttribute('id', 'thecanvas0'); //读取属性值 // var value= canvas.getAttribute('id'); document.getElementById('images').appendChild(canvas); $("#images").hide() } }); /*自动保存为png*/ // 获取图片资源 setTimeout(function(){ var oCanvas = document.getElementById("thecanvas0"); var img_data1 = Canvas2Image.saveAsPNG(oCanvas, true).getAttribute('src'); saveFile(img_data1, 'wenjian0'); },300) }