这样对不对，还有颜色怎么设置呢？

来源：6-2 编程练习

Victor19950925

2019-06-20 20:55:48

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>canvas字体</title>
    <style>
        canvas{background-color:lightblue;}
    </style>
</head>
<body>
    <canvas id="canvas" width="800px" height="800px">您的浏览器不支持canvas
    </canvas>
    <script>
        var canvas=document.getElementById("canvas");
        var ctx=canvas.getContext('2d');
        //此处补充代码
        str="前端路径课程"
        ctx.font="50px sans-serif"
        ctx.textAlign="center"
        ctx.textBaseline="middle"
        ctx.fillText(str,400,400)
        ctx.fillText("字体的width是："+parseInt(ctx.measureText(str).width)+"px",400,500)
    </script>
</body>
</html>

写回答

1回答