<div class="from-nav">
<div class="Mtitle"><span>密码:</span></div>
<div class="Mright"><input name="password" type="password" id="password" size="20" class="colorblue" onfocus="this.className='colorfocus';" onblur="this.className='colorblue';" onkeyup="return loadinputcontext(this);" /><span>不得少于6个字符</span>
</div>
</div>
<div class="from-nav">
<div class="Mtitle"><span>密码强度:</span></div>
<div class="Mright">
<script type="text/javascript">
var PasswordStrength =
{
Level : ["极佳","一般","较弱","太短"],
LevelValue : [15,10,5,0],//强度值
Factor : [1,2,5],//字符加数,分别为字母，数字，其它
KindFactor : [0,0,10,20],//密码含几种组成的加数
Regex : [/[a-zA-Z]/g,/\d/g,/[^a-zA-Z0-9]/g] //字符正则数字正则其它正则
}
PasswordStrength.StrengthValue = function(pwd)
{
var strengthValue = 0;
var ComposedKind = 0;
for(var i = 0 ; i < this.Regex.length;i++)
{
var chars = pwd.match(this.Regex[i]);
if(chars != null)
{
strengthValue += chars.length * this.Factor[i];
ComposedKind ++;
}
}
strengthValue += this.KindFactor[ComposedKind];
return strengthValue;
}
PasswordStrength.StrengthLevel = function(pwd)
{
var value = this.StrengthValue(pwd);
for(var i = 0 ; i < this.LevelValue.length ; i ++)
{
if(value >= this.LevelValue[i] )
return this.Level[i];
}
}
function loadinputcontext(o)
{
var showmsg=PasswordStrength.StrengthLevel(o.value);
switch(showmsg)
{
case "太短": showmsg+=" <img src='images/level/1.gif' width='88' height='11' />";break;
case "较弱": showmsg+=" <img src='images/level/2.gif' width='88' height='11' />";break;
case "一般": showmsg+=" <img src='images/level/3.gif' width='88' height='11' />";break;
case "极佳": showmsg+=" <img src='images/level/4.gif' width='88' height='11' />";break;
}
document.getElementById('showmsg').innerHTML = showmsg;
}
function htmlEncode(source, display, tabs)
{
function special(source)
{
var result = '';
for (var i = 0; i < source.length; i++)
{
var c = source.charAt(i);
if (c < ' ' || c > '~')
{
c = '&#' + c.charCodeAt() + ';';
}
result += c;
}
return result;
}
function format(source)
{
// Use only integer part of tabs, and default to 4
tabs = (tabs >= 0) ? Math.floor(tabs) : 4;
// split along line breaks
var lines = source.split(/\r\n|\r|\n/);
// expand tabs
for (var i = 0; i < lines.length; i++)
{
var line = lines[i];
var newLine = '';
for (var p = 0; p < line.length; p++)
{
var c = line.charAt(p);
if (c === '\t')
{
var spaces = tabs - (newLine.length % tabs);
for (var s = 0; s < spaces; s++)
{
newLine += ' ';
}
}
else
{
newLine += c;
}
}
// If a line starts or ends with a space, it evaporates in html
// unless it's an nbsp.
newLine = newLine.replace(/(^ )|( $)/g, ' ');
lines[i] = newLine;
}
// re-join lines
var result = lines.join('<br />');
// break up contiguous blocks of spaces with non-breaking spaces
result = result.replace(/ /g, ' ');
// tada!
return result;
}
var result = source;
// ampersands (&)
result = result.replace(/\&/g,'&');
// less-thans (<)
result = result.replace(/\</g,'<');
// greater-thans (>)
result = result.replace(/\>/g,'>');
if (display)
{
// format for display
result = format(result);
}
else
{
// Replace quotes if it isn't for display,
// since it's probably going in an html attribute.
result = result.replace(new RegExp('"','g'), '"');
}
// special characters
result = special(result);
// tada!
return result;
}
var profile_username_toolong = '对不起，您的用户名超过 20 个字符，请输入一个较短的用户名。';
var profile_username_tooshort = '对不起，您输入的用户名小于3个字符, 请输入一个较长的用户名。';
var profile_username_pass = "可用";
function checkusername(username)
{
var unlen = username.replace(/[^\x00-\xff]/g, "**").length;
if(unlen < 3 || unlen > 20) {
document.getElementById("checkresult").innerHTML = "<font color='#009900'>" + (unlen < 3 ? profile_username_tooshort : profile_username_toolong) + "</font>";
return;
}
ajaxRead("tools/ajax.aspx?t=checkusername&username=" + escape(username), "showcheckresult(obj,'" + username + "');");
}
function showcheckresult(obj, username)
{
var res = obj.getElementsByTagName('result');
var resContainer = document.getElementById("checkresult");
var result = "";
if (res[0] != null && res[0] != undefined)
{
if (res[0].childNodes.length > 1) {
result = res[0].childNodes[1].nodeValue;
} else {
result = res[0].firstChild.nodeValue;
}
}
if (result == "1")
{
resContainer.innerHTML = "<font color='#009900'>对不起，您输入的用户名 \"" + htmlEncode(username, true, 4) + "\" 已经被他人使用或被禁用，请选择其他名字后再试。</font>";
}
else
{
resContainer.innerHTML = profile_username_pass;
}
}
</script>
<script type="text/javascript" src="templates/default/ajax.js"></script>
<span id="showmsg"></span>
</div>
</div>转载于:https://www.cnblogs.com/Nina-piaoye/archive/2008/02/18/1071866.html
