啟動網頁時候自動載入servlet如果不使用strus最常用的兩種方式，servletstrus
這是第一種使用的是onload方法其中的test是自己的servlet
<html><body onload = "test"></body></html>下面是用的js調用servlet實現
<script language='javascript'> function test(){ window.open('','','')//參數可設你要調用的servlet, //可讓此頁面在台運行 } </script> 現在在jsp中使用session驗證使用者是否登入
<%if(session.getAttribute("userinfo") == null) {%><script type="text/javascript" language="javascript">alert("您還沒有登入，請登入...");window.document.location.href="userlogin.html";</script><%}%>
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