使用 JavaScript 将多张图像组合成一张图像
以下是用 JavaScript 将多张图像组合成一张图像的代码 −
示例
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <style> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } </style> </head> <body> <h1>Combining multiple images into a single one</h1> <img class="image" src="https://i.picsum.photos/id/845/250/250.jpg?hmac=2l7QArh4UKul2qF-JvTjaBu3-WF2KpKBgpBALmFoxWY"/> <img class="image" src="https://i.picsum.photos/id/925/250/250.jpg?hmac=twWJdaKT46cPk1aNvB7aKdiLZoQ zvzu5VW85OEUO4ys"/> <canvas class="result"></canvas> <br /> <button class="Btn">CLICK HERE</button> <h3>Click on the above button to combine the two images above together</h3> <script> let imgEle1 = document.querySelectorAll(".image")[0]; let imgEle2 = document.querySelectorAll(".image")[1]; let resEle = document.querySelector(".result"); var context = resEle.getContext("2d"); let BtnEle = document.querySelector(".Btn"); BtnEle.addEventListener("click", () => { resEle.width = imgEle1.width; resEle.height = imgEle1.height; context.globalAlpha = 1.0; context.drawImage(imgEle1, 0, 0); context.globalAlpha = 0.5; context.drawImage(imgEle2, 0, 0); }); </script> </body> </html>
输出
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