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📄 changename.jsp

📁 一个使用jdbc存储和调用大对象(比如图片等)的例子
💻 JSP
字号:
<html>
<head>
<title>用户升级</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<%
String oldName = (String) session.getValue("Name");
String newName = ((String) request.getParameter("changeName"));

if (oldName == null || newName == null) {
	out.print("<script>alert(\"错误操作!\");");
	out.print("window.location=\"advanced.jsp\"</script>");
	return;
}

newName = newName.trim() + "(过客)";
	
synchronized (application) {
	Vector UserName=null;  
	UserName= (Vector)application.getAttribute("UserName");
	UserName.remove(oldName);
	UserName.addElement(newName);
	application.setAttribute("UserName",UserName);
	session.putValue("Name",newName);
}

synchronized (application) {
	Vector outMessage=null;	  
	outMessage= (Vector)application.getAttribute("Message");
	if(outMessage==null) 
		outMessage= new Vector(30,10);
	String outstr="系统公告:<font color=blue>"+oldName+"</font>改名为<font color=blue>"+newName+"</font>";
	String str1="no";	
	String systemSpeak = "yes";		
	outMessage.addElement(str1); 
	outMessage.addElement(newName);
	outMessage.addElement(str1);
	outMessage.addElement(outstr);
	outMessage.addElement(systemSpeak);
	outMessage.addElement(str1);
	application.setAttribute("Message", outMessage);		               
}
	
out.print("<script>alert(\"换名成功!\");");
out.print("window.location=\"advanced.jsp\"</script>");

%>
</body>
</html>

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