<!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> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>杨氏矩阵查找</title> </head> <body> <script language="javascript"> function xunhuan() { var m = parseInt(document.getElementsByTagName("input")[0].value)||document.getElementsByTagName("input")[0].getAttribute("value"); var n = parseInt(document.getElementsByTagName("input")[1].value)||document.getElementsByTagName("input")[1].getAttribute("value"); var t = parseInt(document.getElementsByTagName("input")[2].value)||document.getElementsByTagName("input")[2].getAttribute("value"); if(m >= 1&&n <= 1000&&t >= 1&&t <= 1000000) { var num = 2; for(var x = 0;x < m;x++) { for(var y = 0;y < n;y++) { document.write((num++)+" "); } document.write("<br/>"); } var a=new Array(); for(var e = m*n+1;e > 1; e--) { a.splice(0,0,e) } chazhao(a,t); } else { alert("不符合要求，请重新输入"); } } function chazhao(a,number) { document.write(isCon(a, number)); function isCon(a, number) { for(var i=0; i<a.length; i++) { if(a[i] === number) { return String(true); } } return String(false); } } </script> <form> <p>矩阵行数：<input type="text" name="矩阵行数" value=3 /> 矩阵列数：<input type="text" name="矩阵列数" value=3 /></p> <p>查询数字：<input type="text" name="查询数字" value=1 /></p> <input type="button" onclick="xunhuan()" value="数组" /> </form> </body> </html>