目录
checkPasswordLevel = function(strPassword)
{
var result = 0;
if ( strPassword.length == 0)
result += 0;
else if ( strPassword.length<8 && strPassword.length >0 )
result += 5;
else if (strPassword.length>10)
result += 25;
else
result += 10;
//check letter
var bHave = false;
var bAll = false;
var capital = strPassword.match(/[A-Z]{1}/);//找大写字母
var small = strPassword.match(/[a-z]{1}/);//找小写字母
if ( capital == null && small == null )
{
result += 0; //没有字母
bHave = false;
}
else if ( capital != null && small != null )
{
result += 20;
bAll = true;
}
else
{
result += 10;
bAll = true;
}
//alert("检查字母:"+result);
//检查数字
var bDigi = false;
var digitalLen = 0;
for ( var i=0; i<strPassword.length; i++)
{
if ( strPassword.charAt(i) <= '9' && strPassword.charAt(i) >= '0' )
{
bDigi = true;
digitalLen += 1;
//alert(strPassword[i]);
}
}
if ( digitalLen==0 )//没有数字
{
result += 0;
bDigi = false;
}
else if (digitalLen>2)//2个数字以上
{
result += 20 ;
bDigi = true;
}
else
{
result += 10;
bDigi = true;
}
//alert("数字个数:" + digitalLen);
//alert("检查数字:"+result);
//检查非单词字符
var bOther = false;
var otherLen = 0;
for (var i=0; i<strPassword.length; i++)
{
if ( (strPassword.charAt(i)>='0' && strPassword.charAt(i)<='9') ||
(strPassword.charAt(i)>='A' && strPassword.charAt(i)<='Z') ||
(strPassword.charAt(i)>='a' && strPassword.charAt(i)<='z'))
continue;
otherLen += 1;
bOther = true;
}