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📄 save.jsp

📁 实例大全
💻 JSP
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<html>
<head>
 <meta http-equiv=Content-Type content="text/html;charset=gb2312">
 <title>保存文章</title>
</head>

<%@ page import="java.io.*"%>
<%@ page import="java.sql.*"%>
<%@ page import="java.util.*"%>

<jsp:useBean id="bbsdb" scope="page" class="bbs.Bbsdb"/>

<body bgcolor="pink">

<%
String sn=null;
sn=request.getParameter("SerialNum");
if (sn==null)
  sn="";
String content=null;
content=bbsdb.native2nuicode(request.getParameter("Content"));
if (content==null)
	content="";
ResultSet rs=null;
String sql=null;
String uid=null;
String email=null;
String homepage=null;
String argu="";
String theme=bbsdb.native2unicode(request.getParameter("Theme"));
String parentid=request.getParameter("parentid");

if (theme==null)
	theme="";

if (parentid==null)
	parentid="";

if (theme.equals(""))
{
	if (parentid.equals(""))
		argu="";
	else 
		argu="?parentid="+parentid;
%>
	<p>
	<font color="#FF0000" face="隶书">
	<big><big><strong>
	请输入新文章:
	</strong></big></big>
	</font></p> 

	<form method="post" action="save.jsp<%=argu%>">
	<input type="hidden" name="SerialNum" value="<%=sn%>">
	<p>
	<big>
	<font face="隶书" color="#FF00FF">
	请输入文章主题:
	</font>
	
	<strong><font color="#FF00FF">:
	</font><strong>
	
	<input type="text" name="Theme" size="31" style=style="background-color:RGB(192,192,192);color:RGB(128,0,0)">
	<br>
	
	<font face="隶书" color="#FF00FF">
	请输入文章内容
	</font>
	
	<strong><font color="#FF00FF">:
	</font></strong>

	<textarea rows="10" name="Content" cols="50" style="background-color:RGB(192,192,192);color:RGB(128,0,0)">
	</textarea>
	<br>
	<p>
	<input type="Submit" value="发表" name="B1">
	<input type="Reset" value="取消" name="B2">
	</P>
	</form>
<%
	out.close();
}

int rnum=bbsdb.getRowNum("ever_user WHERE UID IN (SELECT * FROM current_user WHERE SerialNum=\'"+sn+"\')");

if (rnum==0)
{
%>
	<font color="purple" size="5">您还没有注册过,请选注册新用户进入!
	</font><br>
<%
	out.close();
}
else
{
	sql="SELECT * FROM ever_user WHERE UID IN (SELECT UID FROM current_user WHERE SerialNum=\'"+sn+"\')";
		
	rs=bbsdb.executeQuery(sql);

	int essay=0;
	while (rs.next())
	{
		uid=rs.getString("UID");
		email=rs.getString("Email");
		essay=rs.getInt("Essay");
		homepage=rs.getString("HomePage");
	}
	rs.close();

	essay++;
	sql="UPDATE ever_user SET Essay="+essay+"WHERE UID =\'"+uid+"\'";
	bbsdb.executeUpdate(sql);
}

String now=Calendar.getInstance().getTime().toString();
sql="INSERT INTO details(LEVELS,Child,UID,Email,Theme,DateAndTime,VALUES(1,\'0\',\'"+uid+"\',\'"+email+"\',\'"+theme+"\',\'"+now+"\',\'"+content.length()+"\',\'"+homepage+"\',\'"+content+"\');";

bbsdb.executeUpdate(sql);

if(!parentid.equals(""))
{
	sql="SELECT * FROM details WHERE Num=\'"+parentid+"\'";
	rs=bbsdb.executeQuery(sql);
	String child=null;
	int levels=0;
	while (rs.next())
	{
		child=rs.getString("Child");
		levels=rs.getInt("Levels");
	}
	rs.close();
	levels++;
	sql="UPDATE details SET Child=\'"+child+"\',Levels=\'"+levels+"\' WHERE Num= 		"+parentid;
	bbsdb.executeUpdate(sql);
}
%>
	<p><big>
	<font face="隶书">
	<a href="list.jsp?SerialNum="<%=sn%>" target="top">
	及时刷新
	</a>
	</font>
	</big>
	</p>

	</body>
	</html>





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