JS 8*8点阵显示字母

来源：互联网发布：怎样用淘宝积分买东西编辑：程序博客网时间：2024/06/05 12:05

还记得用单片机控制小灯显示文字的场景吗，这个是我用JS模拟出来的，字符库没有做扩展，仅能显示A-F这几个字符

<!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title></title> <style type="text/css">.in{ background-color: Black;}td{ border: 1px solid #eaeaea; width: 2px; height: 2px;}</style> <script src="js/jquery-1.8.3.js"type="text/javascript"></script> <script type="text/javascript"> //8*8 数字点阵 var chars = {}; chars.A = [[0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 1, 1, 0, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 1, 1, 1, 1, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0]]; chars.B = [[0, 0, 1, 1, 0, 0, 0, 0], [0, 0, 1, 0, 1, 0, 0, 0], [0, 0, 1, 0, 1, 0, 0, 0], [0, 0, 1, 1, 0, 0, 0, 0], [0, 0, 1, 0, 1, 0, 0, 0], [0, 0, 1, 0, 1, 0, 0, 0], [0, 0, 1, 0, 1, 0, 0, 0], [0, 0, 1, 1, 0, 0, 0, 0]]; chars.C = [[0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 1, 1, 0, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 0, 1, 1, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0]]; chars.D = [[0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 1, 1, 1, 0, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0], [0, 0, 1, 1, 1, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0]]; chars.E = [[0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 1, 1, 1, 1, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 1, 1, 1, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 1, 1, 1, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0]]; chars.F = [[0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 1, 1, 1, 1, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 1, 1, 1, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0]];</script></head><body> 8*8 点阵<br /> 请输入字母(A~F)：<input type="text"id="txtChar"/> <input id="btnGeneral"type="button"value="生成"/> <table id="tableDot"cellpadding="0"cellspacing="0"><script> for (var i = 0; i < 8; i++) {document.write("<tr>"); for (var j = 0; j < 8; j++) {document.write("<td></td>");}document.write("</tr>");}</script></table> <script type="text/javascript"> $("#btnGeneral").click(function () { var input_char = $("#txtChar").val(); try { var charHex = chars[input_char];$(".in").removeClass("in"); $("#tableDot tr").each(function (i) { $(this).find("td").each(function (j) { if (charHex[i][j] == 1) {$(this).addClass("in");}})}) } catch (e) {}})</script></body></html>

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