<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title>canvas-圖像布局填充</title> <style> #canvas{ border: 1px solid palevioletred; } </style></head><body> <canvas id="canvas" width="600px" height="600px"> </canvas> <script> //獲取到canvas元素 var canvas = document.getElementById('canvas'); //獲取canvas中的畫圖環境 var context = canvas.getContext('2d'); //創建Image對象 var img = new Image(); //alert(img); //引入圖片URL img.src = "./image/huiji.png"; window.onload = function (){ //創建填充規則 .createPattern(圖像對象,'規則'); 第二參數：repeat，no-repeat，repeat-x,repeat-y; var pattern = context.createPattern(img,'no-repeat'); //設置填充屬性 context.fillStyle = pattern; context.fillRect(10,10,canvas.width,canvas.height); } </script></body></html>
新聞熱點
疑難解答
