📄 returnbook.jsp
字号:
<%@page language="java" contentType="text/html;charset=gb2312"%>
<%@ page import="java.util.Vector" %>
<%@ page import="java.util.Hashtable" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'borrowBook.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<SCRIPT language="javascript">
function validate()
{
if(this.document.form1.username.value=="")
{
alert(" 用户名不能为空!! ");
return false;
}
else if(this.document.form1.isbn.value=="")
{
alert(" ISBN不能为空!! ");
return false;
}
else
{
return true;
}
}
</SCRIPT>
<body>
<form name="form1" method="post" action = "/Library/ReturnBookBean?name=return">要还书的ISBN:<input type="text" maxlength="20" size="20" name="isbn"><br><br>USERNAME: <input type="text" maxlength="20" size="20" name="username"><br><input type="Submit" name="button2" value="还书" onclick="return validate()"/><br></form><br>
</body>
</html>
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