$(window).load(function() {
username = getCookie('username');
if (username != null && username != "") {
$(':text')[0].value = username;
}
})
$(window).unload(
function() {
username = $(":text").val();
if (event.clientX > document.body.clientWidth && event.clientY < 0
|| event.altKey) {
if (confirm('是否保存填写记录')) {
if (username != null && username != "") {
setCookie('username', username, 365);
}
} else {
setCookie('username', '', 365);
}
}
})
function getCookie(c_name) {
if (document.cookie.length > 0) {
c_start = document.cookie.indexOf(c_name + "=");
if (c_start != -1) {
c_start = c_start + c_name.length + 1;
c_end = document.cookie.indexOf(";", c_start);
if (c_end == -1)
c_end = document.cookie.length;
return unescape(document.cookie.substring(c_start, c_end));
}
}
return "";
}
function setCookie(c_name, value, expiredays) {
var exdate = new Date();
exdate.setDate(exdate.getDate() + expiredays);
document.cookie = c_name + "=" + escape(value)
+ ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
}
<form action="index.html" method="post"> <input> <input type="submit"> </form>
<form action="index.html" method="post"> <input> <input type="submit"> </form>
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