1、2、3、4、5、6、7、8、9、0用10个数字。排出4位不同的号码。
比如1111、1112...一此类推一共有10000个号码如果从10000号码中指定位置获取号码如何写计算更好。。比如。第一位：为1的会有哪些。
第四位：为2的有哪些。等等....
1、2、3、4、5、6、7、8、9、0用10个数字。排出4位不同的号码。
比如1111、1112...一此类推一共有10000个号码如果从10000号码中指定位置获取号码如何写计算更好。。比如。第一位：为1的会有哪些。
第四位：为2的有哪些。等等....
function print(index,value){
for(a=0;a<10;a++){
for(b=0;b<10;b++){
for(c=0;c<10;c++){
var v=""+a+b+c;
v=''+v.substring(0,index)+value+v.substring(index,v.length);
document.write(v+'\t');
}
}
document.write('<br>');
}
}
/**
point:位置,index:下标,value:植
*/
var point=2,index=point-1,value=1;
print(index,value);
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript">
function $(id){
return document.getElementById(id);
}
window.onload = function(){
var html = [], n = 1;
html.push("<select id='sel#'>");
html.push("<option value='-1'>不限</option>");
for( var i = 0; i <= 9; i++ ){
html.push("<option value='" + i + "'>" + i + "</option>");
}
html.push("</select>");
$("sel").innerHTML = new Array(5).join(html.join("") + " ").replace(/#/g, function(){return n++;});
};
function search(){
var con = [], i, result = [];
for( i = 1 ; i < 5; i++ ){
con.push(parseInt($('sel' + i).options[$('sel' + i).selectedIndex].value, 10));
}
for( var a = (con[0] >= 0 ? con[0] : 0); a < (con[0] >= 0 ? con[0] + 1 : 10); a++ ){
for( var b = (con[1] >= 0 ? con[1] : 0); b < (con[1] >= 0 ? con[1] + 1 : 10); b++ ){
for( var c = (con[2] >= 0 ? con[2] : 0); c < (con[2] >= 0 ? con[2] + 1 : 10); c++ ){
for( var d = (con[3] >= 0 ? con[3] : 0); d < (con[3] >= 0 ? con[3] + 1 : 10); d++ ){
result.push('' + a + b + c + d);
}
}
}
}
$("result").innerHTML = "共<font color='red'>" + result.length + "</font>条结果<br/>" + result.join("<br/>");
}
</script>
</head>
<body>
<span id="sel">
</span>
<input type="button" value=" 查询 " onclick="search()" />
<br />
<div id="result"></div>
</body>
</html>
<!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>无标题文档</title>
<script type="text/javascript">function $(id){
return document.getElementById(id);
}
window.onload = function(){
var html = [], n = 0;
html.push("<select id='sel#'><option value='-1'>不限</option>");
for( var i = 0; i <= 9; i++ ){
html.push("<option value='" + i + "'>" + i + "</option>");
}
html.push("</select>");
$("sel").innerHTML = new Array(5).join(html.join("") + " ").replace(/#/g, function(){return n++;});
};
function search(){
var result = [], data = [], i, val, r = $("chkReverse").checked;
for( i = 0; i < 4; i++ ){
val = (parseInt($('sel' + i).options[$('sel' + i).selectedIndex].value, 10));
data[i] = "0123456789";
data[i] = r ? (val >= 0 ? data[i].replace(val, "") : data[i]) : (new RegExp(val).test(data[i]) ? "" + val : data[i]);
data[i] = data[i].split("");
}
for( var a = 0; a < data[0].length; a++ ){
for( var b = 0; b < data[1].length; b++ ){
for( var c = 0; c < data[2].length; c++ ){
for( var d = 0; d < data[3].length; d++ ){
result.push(data[0][a] + data[1][b] + data[2][c] + data[3][d]);
}
}
}
}
$("result").innerHTML = "共<font color='red'>" + result.length + "</font>条结果<br/>" + result.join("<br/>");
}
</script>
</head>
<body>
<span id="sel"></span>
<input type="button" value=" 查询 " onclick="search()" />
<input type="checkbox" value="1" id="chkReverse" /><label for="chkReverse">反选</label><br />
<div id="result"></div>
</body>
</html>
<!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>无标题文档</title>
<script type="text/javascript">function $(id){
return document.getElementById(id);
}
window.onload = function(){
var html = [], n = 0;
html.push("<select id='sel#'><option value='-1'>不限</option>");
for( var i = 0; i <= 9; i++ ){
html.push("<option value='" + i + "'>" + i + "</option>");
}
html.push("</select>");
$("sel").innerHTML = new Array(5).join(html.join("") + " ").replace(/#/g, function(){return n++;});
};
function search(){
var result = [], data = [], i, val, r = $("chkReverse").checked, reg = "", tmp;
for( i = 0; i < 4; i++ ){
val = (parseInt($('sel' + i).options[$('sel' + i).selectedIndex].value, 10));
reg += (val >= 0 ? val : "\\d");
data[i] = "0123456789";
data[i] = r ? (data[i]) : (new RegExp(val).test(data[i]) ? "" + val : data[i]);
data[i] = data[i].split("");
}
reg = new RegExp(reg);
for( var a = 0; a < data[0].length; a++ ){
for( var b = 0; b < data[1].length; b++ ){
for( var c = 0; c < data[2].length; c++ ){
for( var d = 0; d < data[3].length; d++ ){
tmp = data[0][a] + data[1][b] + data[2][c] + data[3][d];
if( !r || r && !reg.test(tmp) ){
result.push(tmp);
}
}
}
}
}
$("result").innerHTML = "共<font color='red'>" + result.length + "</font>条结果<br/>" + result.join("<br/>");
}
</script>
</head>
<body>
<span id="sel"></span>
<input type="button" value=" 查询 " onclick="search()" />
<input type="checkbox" value="1" id="chkReverse" /><label for="chkReverse">反选</label><br />
<div id="result"></div>
</body>
</html>