簡單的測試代碼，使用jquery的ajax類載入一個文字檔。如果IE對檔案進行了緩衝，則後台修改了1.txt中的內容，前台仍然無法看到更新
<html xmlns="http://www.w3.org/1999/xhtml">
<SCRIPT language=javascript src="js/jquery.js"></SCRIPT>
<script language="JavaScript">
$(document).ready(function() {
$.ajax({
url: "1.txt",
type: 'GET',
dataType:'text',
success:function(data){
alert(data);
}
});
});
</script>
</html>
解決辦法
方法一：把type改成post，並隨便設定設定一個參數data: 'a=b'（一定要設定參數，否則仍然會被cache）
方法二：type仍然使用get，但設定cache: false
方法三：通過ajaxSetup來全域設定get方法下的cache
$.ajaxSetup ({
cache: false //close AJAX cache
});
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