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var UnloadConfirm = {};
UnloadConfirm.set = function(confirm_msg) {
window.onbeforeunload = function(event) {
event = event || window.event;
event.returnValue = confirm_msg;
}
}
UnloadConfirm.clear = function() {
window.onbeforeunload = function() { };
}
window.onbeforeunload = unloadMess;
function unloadMess() {
mess = "有数据尚未保存,确定要离开?"
return mess;
}