这是一款密码随机生成效果，可根据自己的需求来修改生成规则及范围，是一款实用js随机生成脚本代码。
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<title>js自动随机生成密码特效分享_武鸣人</title>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function getRandomNum(lbound, ubound) {
return (Math.floor(Math.random() * (ubound - lbound)) + lbound);
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function getRandomChar(number, lower, upper, other, extra) {
var numberChars = "0123456789";
var lowerChars = "abcdefghijklmnopqrstuvwxyz";
var upperChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var otherChars = "`~!@#$%^&*()-_=+[{]}\\|;:'\",<.>/? ";
var charSet = extra;
if (number == true)
charSet += numberChars;
if (lower == true)
charSet += lowerChars;
if (upper == true)
charSet += upperChars;
if (other == true)
charSet += otherChars;
return charSet.charAt(getRandomNum(0, charSet.length));
}
function getPassword(length, extraChars, firstNumber, firstLower, firstUpper, firstOther,
latterNumber, latterLower, latterUpper, latterOther) {
var rc = "";
if (length > 0)
rc = rc + getRandomChar(firstNumber, firstLower, firstUpper, firstOther, extraChars);
for (var idx = 1; idx < length; ++idx) {
rc = rc + getRandomChar(latterNumber, latterLower, latterUpper, latterOther, extraChars);
}
return rc;
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
// End -->
</script>
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<body>
<a href="https://www.wuming.ren">武鸣人</a>，各种信息资源免费发布，分享励志语录经典短句，减肥健身常识，各种js特效代码。网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)<hr>
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<table width=80% border=0>
<tr align=center>
<td>
<form name="myform">
<table border=0>
<tr>
<td>
密码前几位包括:
</td>
<td>
<input type=checkbox name=firstNumber checked>数字
<input type=checkbox name=firstLower checked>小写字母
<input type=checkbox name=firstUpper checked>大写字母
<input type=checkbox name=firstOther>其它
</td>
</tr>
<tr>
<td>
密码后几位包括:
</td>
<td>
<input type=checkbox name=latterNumber checked>数字
<input type=checkbox name=latterLower checked>小写字母
<input type=checkbox name=latterUpper checked>大写字母
<input type=checkbox name=latterOther>其它
</td>
</tr>
<tr>
<td>
密码长度:
</td>
<td>
<input type=text name=passwordLength value="8" size=3>
</td>
</tr>
<tr>
<td>
自定密码特征:
</td>
<td>
<input type=text name=extraChars size=20>
</td>
</tr>
<tr>
<td colspan=2>
密码:
<input type=text name=password size=20>
<input type=button value="产生密码" onClick="document.myform.password.value =
getPassword(document.myform.passwordLength.value, document.myform.extraChars.value,
document.myform.firstNumber.checked, document.myform.firstLower.checked,
document.myform.firstUpper.checked, document.myform.firstOther.checked,
document.myform.latterNumber.checked, document.myform.latterLower.checked,
document.myform.latterUpper.checked, document.myform.latterOther.checked);">
</form>
</td>
</tr>
</table>
</body>
</html>