项目34 设计简易福彩投注程序
代码如下：
<!--prj_12_1.html--><!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>简易福彩投注程序</title><style type="text/css">div{margin:0px auto;background-color:#00ff99;width:450px;height:260px;border:2px solid #ff3300;color:white;}h2{font-size:28px;text-align:center;}td{font-weight:bold;font-size:18px;}</style><script type="text/javascript">function $(id) {return document.getElementById(id);}function selectnumber(num){var number=new Array();for(i=0;i<=7;i++){tmp=Math.floor(Math.random()*30+1);for(var j=0;j<=number.length-1;j++){if(tmp==number[j]){tmp=Math.floor(Math.random()*30+1);j=0;}}number[j]=tmp;}$(num).value=number.sort().join(" ");} </script></head><body><div id=""><img src="D:/ico_7l.gif"><form action="" method="" name=""><h2>福利彩票投注助手</h2><table align="center"><tr><td id="td1">彩票号码</td><td id="td2"><input type="text" id="number1" size="28" readonly></td><td><input type="button" value="投注" onclick="selectnumber('number1')"></td><td rowspan="3"><input type="reset" value="清空"></td></tr><tr><td id="td1">彩票号码</td><td id="td2"><input type="text" id="number2" size="28" readonly></td><td><input type="button" value="投注" onclick="selectnumber('number2')"></td></tr><tr><td id="td1">彩票号码</td><td id="td2"><input type="text" id="number3" size="28" readonly></td><td><input type="button" value="投注" onclick="selectnumber('number3')"></td></tr></table></form></div></body></html>
项目35 设计江苏福彩投注站彩票投注助手
代码如下：
<!--prj_12_1.html--><!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>福彩投注站投助彩票助手</title><style type="text/css">select{width:300px;height:145px;}div{background:url("D:/fc_logo.jpg") right top no-repeat;margin:0px auto;width:550px;height:320px;border:2px solid #0077bb;color:white;}h2{font-size:28px;text-align:center;padding:10px auto;}input{width:80px;height:40px;}</style><script type="text/javascript">function $(id) {return document.getElementById(id);}function selectNumber(n){var number=new Array();var objsel=$("number8");var selnum=objsel.options.length;for(j=0;j<=n-1;j++){var list="";for(i=0;i<=7;i++){var tmp=Math.floor(Math.random()*30+1);if(tmp<10){tmp="0"+tmp;}for(var k=0;k<=number.length-1;k++){if(tmp==number[k]){tmp=Math.floor(Math.random()*30+1);if(tmp<10){tmp="0"+tmp;}k=0;}}number[i]=tmp;}list=number.join(" ");var opt=document.createElement("option");var opt_text=document.createTextNode(list);opt.value=j;opt.appendChild(opt_text);objsel.appendChild(opt);}objsel.selectedIndex=selnum;} function delSelect(){var objSelect=$("number8");var strIndex=objSelect.selectedIndex;if(strIndex!=-1){objSelect.options.remove(strIndex);}else{alert("请先选择列表框后再删除！");}} function delSelectAll(){var objSelect=$("number8");var strIndex=objSelect.options.length;if(objSelect.length>0){for(i=0;i<=strIndex-1;i++){objSelect.options.remove(0);}}else{alert("列表框已空,不能再删除！");}}</script></head><body><div id=""><img src="D:/ico_7l.gif"><form action="" method="post" name="myform" submit=""><h2>福彩投注站投助彩票助手</h2><table align="center"><tr><td id="td1"><input type="button" value="机选1注" onclick="selectNumber(1);"></td><td rowspan="3"><select id="number8" name="number8" size="5" ></select></td><td><input type="button" value="删除" onclick="delSelect();"></td></tr><tr><td id="td1"><input type="button" value="机选5注" onclick="selectNumber(5);"></td><td> </td></tr><tr><td id="td1"><input type="button" value="机选10注" onclick="selectNumber(10);"></td><td><input type="button" value="全部删除" onclick="delSelectAll();"></td></tr></table></form></div></body></html>
