<script>
window.onload =
function
(){
var
oForm = document.getElementById(
'loginForm'
);
var
oUser = document.getElementById(
'user'
);
var
oPswd = document.getElementById(
'pswd'
);
var
oRemember = document.getElementById(
'remember'
);
//页面初始化时，如果帐号密码cookie存在则填充
if
(getCookie(
'user'
) && getCookie(
'pswd'
)){
oUser.value = getCookie(
'user'
);
oPswd.value = getCookie(
'pswd'
);
oRemember.checked =
true
;
}
//复选框勾选状态发生改变时，如果未勾选则清除cookie
oRemember.onchange =
function
(){
if
(!
this
.checked){
delCookie(
'user'
);
delCookie(
'pswd'
);
}
};
//表单提交事件触发时，如果复选框是勾选状态则保存cookie
oForm.onsubmit =
function
(){
if
(remember.checked){
setCookie(
'user'
,oUser.value,7);
//保存帐号到cookie，有效期7天
setCookie(
'pswd'
,oPswd.value,7);
//保存密码到cookie，有效期7天
}
};
};
//设置cookie
function
setCookie(name,value,day){
var
date =
new
Date();
date.setDate(date.getDate() + day);
document.cookie = name +
'='
+ value +
';expires='
+ date;
};
//获取cookie
function
getCookie(name){
var
reg = RegExp(name+
'=([^;]+)'
);
var
arr = document.cookie.match(reg);
if
(arr){
return
arr[1];
}
else
{
return
''
;
}
};
//删除cookie
function
delCookie(name){
setCookie(name,
null
,-1);
};
</script>