JS生成随机密码
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html> <head> <title> New Document </title> <meta name="Generator" content="EditPlus"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <SCRIPT LANGUAGE="JavaScript"><!-- Beginfunction getRandomNum(lbound, ubound) {return (Math.floor(Math.random() * (ubound - lbound)) + lbound);}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;}// End --></script> </head> <body> <center><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></table></td></tr><tr align=center><td>密码:<input type=text name=password size=20><br><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);"><input type=button value="产生密码" onClick="document.myform.password.value =getPassword(8,'',true,true,false,false,true,true,false,false)"/></form></td></tr></table></center> </body></html>?