?------------------------------------先看效果------------------------------------------------

確定 不想寫說明，就是這么任性！ #wrap{position: relative;height: 200px; } #wrap span{position: absolute;width: 7px;height: 7px;border: 1px solid #000; }


<div id="wrap"></div> <div><input type="text" id="text" value="哥"><button onclick="draw()" id="btn">確定</button> </div> var canvas = document.createElement('canvas'); var ctx = canvas.getContext('2d'); var cols = 16; var rows = 16; function lattice(txt){cols = txt.length * 16canvas.width = cols;canvas.height = rows;ctx.clearRect(0,0,cols,rows);ctx.font = "16px SimSun";ctx.fillStyle = "#000";ctx.fillText(txt, 0, 14);var data = ctx.getImageData(0, 0, cols, rows)var len = data.data.length;var res = '';for(var i = 1; i <= rows; i++){for(var j = 1; j <= cols; j++){var pos = (( i-1 )*cols+( j ))*4 -1;if(data.data[pos] > 0){res += `<span class="black" style="left: ${j*10}px;top: ${i*10}px"></span>` }}}wrap.innerHTML = res; } function draw(){var txt = text.value;if(txt){lattice(txt);} } draw();

github:? ??https://github.com/luozhangshuai/lattice

?

轉(zhuǎn)載于:https://www.cnblogs.com/luozhangshuai/p/7737864.html

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