shijieyichan/js/share.js

/*********文件描述*********
 * 分享js
 * @since 1.0
 */
$(function() {

	
	function svgToImg() {
		//获取svg内容
		//var svg = document.getElementById('jsmap-container-id').innerHTML;
		//var svg = $(".jsmap-container").html();
		let svghtml = document.querySelector('svg');
		let svg = new XMLSerializer().serializeToString(svghtml);
		
		var canvas = document.getElementById('canvas');
		var c = canvas.getContext('2d');

		//新建Image对象
		var img = new Image();
		img.src = `data:image/svg+xml;base64,${window.btoa(unescape(encodeURIComponent(svg)))}`;		
		
		//图片初始化完成后调用
		img.onload = function() {
			//将canvas的宽高设置为图像的宽高
			canvas.width = img.width;
			canvas.height = img.height;

			//canvas画图片
			c.drawImage(img, 0, 0);

			console.log(img)
			//将图片添加到body中
			document.body.appendChild(img)
			
			//$('.svgImg').attr('src',img);
		}
	};
	
	//svgToImg();

})
//document.HTML.demo 事件