使用canvas 绘制象棋棋盘

先看效果图吧
O(∩_∩)O哈哈~

代码在这里

<!dOCTYPE html>
<html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /><title>绘制象棋</title><style>body {background-color: #C5C5C5;}canvas {position: fixed;background-color: #FFFFFF;top: 50%;left: 50%;transform: translate(-50%, -50%);}</style></head><body><canvas id="canvas" width="580" height="630"></canvas><script>let canvas = document.getElementById('canvas')let cxt = canvas.getContext('2d')drawBorder()drawBorder2()drawBorder3()drawBorder4()drawBorder5()drawFont()function drawFont() {cxt.font = '40px Verdana'cxt.fillText('楚河', 70, 330)cxt.translate(510, 300) //重新映射画布上的（x,y）位置cxt.rotate(180 * Math.PI / 180) // 旋转当前绘图:旋转 180 度，可规定下面的公式：180*Math.PI/180cxt.fillText('漢界', 0, 0)}// 外边框大function drawBorder() {cxt.beginPath()// 方法1// 上边线// cxt.moveTo(10,10)// cxt.lineTo(570,10)                // // 下边线// cxt.moveTo(10,620)// cxt.lineTo(570,620) // // 左边线// cxt.moveTo(10,8)// cxt.lineTo(10,622) // // 右边线// cxt.moveTo(570,8)// cxt.lineTo(570,622)//  方法2cxt.moveTo(10, 10)cxt.lineTo(570, 10)cxt.lineTo(570, 620)cxt.lineTo(10, 622)cxt.lineTo(10, 8)cxt.lineWidth = 4;cxt.stroke()cxt.closePath()}// 边框2function drawBorder2() {cxt.beginPath()for (let i = 0; i <= 10; i++) {// 棋盘横向边线cxt.moveTo(15, 66.5 * i + 15)cxt.lineTo(564, 66.5 * i + 15)}// 左边线cxt.moveTo(16, 16)cxt.lineTo(16, 614)// 右边线cxt.moveTo(564, 14)cxt.lineTo(564, 614)cxt.lineWidth = 2cxt.stroke()cxt.closePath()}// 绘制上下的Xfunction drawBorder3() {cxt.beginPath()for (let s = 1; s <= 7; s++) {// 棋盘上半边纵向线cxt.moveTo(70 * s + 16, 16)cxt.lineTo(70 * s + 16, 280)// 棋盘下半边纵向线cxt.moveTo(70 * s + 16, 348)cxt.lineTo(70 * s + 16, 614)}// 上半部分棋盘斜线cxt.moveTo(225, 150)cxt.lineTo(365, 16)cxt.moveTo(368, 150)cxt.lineTo(226, 16)// 下半部分棋盘斜线cxt.moveTo(366, 612)cxt.lineTo(226, 481)cxt.moveTo(228, 612)cxt.lineTo(366, 481)cxt.lineWidth = 2cxt.stroke()cxt.closePath()}// 上半部分function drawBorder4() {cxt.beginPath()// line 1-1cxt.moveTo(72, 144)cxt.lineTo(82, 144)cxt.lineTo(82, 134)// line 1-2cxt.moveTo(100, 144)cxt.lineTo(90, 144)cxt.lineTo(90, 134)// line 1-3cxt.moveTo(492, 144)cxt.lineTo(502, 144)cxt.lineTo(502, 134)// line 1-4cxt.moveTo(519, 144)cxt.lineTo(510, 144)cxt.lineTo(510, 134)// line 2-1cxt.moveTo(72, 152)cxt.lineTo(82, 152)cxt.lineTo(82, 160)// line 2-2cxt.moveTo(99, 152)cxt.lineTo(90, 152)cxt.lineTo(90, 160)// line 2-3cxt.moveTo(492, 152)cxt.lineTo(502, 152)cxt.lineTo(502, 160)// line 2-4cxt.moveTo(519, 152)cxt.lineTo(510, 152)cxt.lineTo(510, 160)// line 3-1cxt.moveTo(30, 210)cxt.lineTo(20, 210)cxt.lineTo(20, 200)// line 3-2cxt.moveTo(142, 210)cxt.lineTo(152, 210)cxt.lineTo(152, 200)// line 3-3cxt.moveTo(170, 210)cxt.lineTo(160, 210)cxt.lineTo(160, 200)// line 3-4cxt.moveTo(282, 210)cxt.lineTo(292, 210)cxt.lineTo(292, 200)// line 3-5cxt.moveTo(310, 210)cxt.lineTo(300, 210)cxt.lineTo(300, 200)// line 3-6cxt.moveTo(422, 210)cxt.lineTo(432, 210)cxt.lineTo(432, 200)// line 3-7cxt.moveTo(450, 210)cxt.lineTo(440, 210)cxt.lineTo(440, 200)// line 3-8cxt.moveTo(550, 210)cxt.lineTo(560, 210)cxt.lineTo(560, 200)// line 4-1 cxt.moveTo(30, 220)cxt.lineTo(20, 220)cxt.lineTo(20, 230)// line 4-2cxt.moveTo(142, 220)cxt.lineTo(152, 220)cxt.lineTo(152, 230)// line 4-3cxt.moveTo(170, 220)cxt.lineTo(160, 220)cxt.lineTo(160, 230)// line 4-4cxt.moveTo(282, 220)cxt.lineTo(292, 220)cxt.lineTo(292, 230)// line 4-5cxt.moveTo(310, 220)cxt.lineTo(300, 220)cxt.lineTo(300, 230)// line 4-6cxt.moveTo(422, 220)cxt.lineTo(432, 220)cxt.lineTo(432, 230)// line 4-7cxt.moveTo(450, 220)cxt.lineTo(440, 220)cxt.lineTo(440, 230)// line 4-8cxt.moveTo(550, 220)cxt.lineTo(560, 220)cxt.lineTo(560, 230)cxt.lineWidth = 2cxt.stroke()cxt.closePath()}function drawBorder5() {cxt.beginPath()// line 5-1cxt.moveTo(30, 410)cxt.lineTo(20, 410)cxt.lineTo(20, 400)// line 5-2cxt.moveTo(142, 410)cxt.lineTo(152, 410)cxt.lineTo(152, 400)// line 5-3cxt.moveTo(170, 410)cxt.lineTo(160, 410)cxt.lineTo(160, 400)// line 5-4 cxt.moveTo(282, 410)cxt.lineTo(292, 410)cxt.lineTo(292, 400)// line 5-5cxt.moveTo(310, 410)cxt.lineTo(300, 410)cxt.lineTo(300, 400)// line 5-6cxt.moveTo(422, 410)cxt.lineTo(432, 410)cxt.lineTo(432, 400)// line 5-7cxt.moveTo(450, 410)cxt.lineTo(440, 410)cxt.lineTo(440, 400)// line 5-8cxt.moveTo(550, 410)cxt.lineTo(560, 410)cxt.lineTo(560, 400)// line 6-1cxt.moveTo(30, 418)cxt.lineTo(20, 418)cxt.lineTo(20, 428)// line 6-2cxt.moveTo(142, 418)cxt.lineTo(152, 418)cxt.lineTo(152, 428)// line 6-3cxt.moveTo(170, 418)cxt.lineTo(160, 418)cxt.lineTo(160, 428)// line 6-4cxt.moveTo(282, 418)cxt.lineTo(292, 418)cxt.lineTo(292, 428)// line 6-5cxt.moveTo(310, 418)cxt.lineTo(300, 418)cxt.lineTo(300, 428)// line 6-6cxt.moveTo(422, 418)cxt.lineTo(432, 418)cxt.lineTo(432, 428)// line 6-7cxt.moveTo(450, 418)cxt.lineTo(440, 418)cxt.lineTo(440, 428)// line 6-8cxt.moveTo(550, 418)cxt.lineTo(560, 418)cxt.lineTo(560, 428)// line 7-1cxt.moveTo(72, 476)cxt.lineTo(82, 476)cxt.lineTo(82, 466)//line 7-2cxt.moveTo(100, 476)cxt.lineTo(90, 476)cxt.lineTo(90, 466)//line 7-4cxt.moveTo(520, 476)cxt.lineTo(510, 476)cxt.lineTo(510, 466)// line 7-4 cxt.moveTo(492, 476)cxt.lineTo(502, 476)cxt.lineTo(502, 466)//line 8-1cxt.moveTo(100, 484)cxt.lineTo(90, 484)cxt.lineTo(90, 494)// line 8-2cxt.moveTo(72, 484)cxt.lineTo(82, 484)cxt.lineTo(82, 494)// line 8-3cxt.moveTo(492, 484)cxt.lineTo(502, 484)cxt.lineTo(502, 494)// line8-4cxt.moveTo(520, 484)cxt.lineTo(510, 484)cxt.lineTo(510, 494)cxt.lineWidth = 2cxt.stroke()cxt.closePath()}</script></body>
</html>

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