我一直在觀察如何在不調用服務器的情況下導出圖表Highcharts,並且發現它可以使用函數canvas.toDataURL完成問題是我無法爲該文件命名。highcharts來自畫布的文件名
該函數如下:
(function (H) {
H.Chart.prototype.createCanvas = function (tipo) {
var svg = this.getSVG(),
width = parseInt(svg.match(/width="([0-9]+)"/)[1]),
height = parseInt(svg.match(/height="([0-9]+)"/)[1]),
canvas = document.createElement('canvas');
canvas.setAttribute('width', width);
canvas.setAttribute('height', height);
if (canvas.getContext && canvas.getContext('2d')) {
canvg(canvas,svg);
var image = canvas.toDataURL("image/"+tipo).replace("image/"+tipo, "image/octet-stream");
// Save locally
window.location.href=image;
}else {
alert ("Your browser doesn't support this feature, please use a modern browser");
}
}
}(Highcharts));
任何人都知道我可以把一個名稱的文件下載?
感謝