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Oracle & JSP 开发的小型信息管理系统 (五) 源代码4

2005-03-25 21:00 956 查看

//edit.jsp,通过manage.jsp链接过来的修改信息页面
<%@ include file="articleconn.jsp"%>
<%
String id1=request.getParameter("id").trim();
session.setAttribute("id", id1);
int id=Integer.parseInt(id1);
String queryInfo=" select * from learning where article_id='"+id+"' ";
String updateHits=" update learning set hits=hits+1 where article_id='"+id+"' ";
boolean autoCommit=conn.getAutoCommit();
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=big5">
<title>修改信息</title>

<link rel="stylesheet" href="css/style.css"/>
</head>
<style type="text/css">

</style>
<form method="post" action="saveEdit.jsp" ><%
try{
conn.setAutoCommit(false);
PreparedStatement ps=conn.prepareStatement(updateHits);
int results=ps.executeUpdate();
if(results>0)
{out.println();}
conn.commit();
ps=conn.prepareStatement(queryInfo);
ResultSet rs=ps.executeQuery();
while(rs.next()){
%>
<table width="100%" border="1" cellspacing="1" cellpadding="1">
<tr bordercolor="#FFFFFF" bgcolor="#B5D85E">
<td height="24" colspan="2"><div align="center"><span class="style2">修改信息</span></div></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td width="14%" height="24"><span class="style5">信息名稱</span></td>
<td width="86%"><input type="text" name="title" value="<%=rs.getString("title")%>" size=70></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td height="23"><span class="style5">鏈接地址</span></td>
<td><input type="text" name="url" value="<%=rs.getString("url")%>" size=70></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td height="28"><span class="style5">信息類型</span></td>
<td><input type="text" name="types" value="<%=rs.getString("types")%>" size=70></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td height="26"><span class="style5">信息說明</span></td>
<td><input type="text" name="content" value="<%=rs.getString("content")%>" size=70></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td height="29"><span class="style5">信息大小</span></td>
<td><input type="text" name="big" value="<%=rs.getString("big")%>" size=70></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td height="27"><span class="style5">信息評價</span></td>
<td>目前信息評價<%
String temp=rs.getString("vote");
//out.println(temp);
int tempVotes=Integer.parseInt(temp);
for(int i=0; i<tempVotes; i++){%><font color="red">★</font><%}
%>重新選定評價<span class="style3">
<input name="vote" type="radio" value="1">★
<input name="vote" type="radio" value="2">
★★
<input name="vote" type="radio" value="3" checked>★★★<input name="vote" type="radio" value="4">
★★★★
<input name="vote" type="radio" value="5">
★★★★★</span></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td height="24"><span class="style5">相關主頁</span></td>
<td><input type="text" name="from1" value="<%=rs.getString("from1")%>" size=70></td>
</tr>
<tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
<td height="32"><span class="style5">相關地址</span></td>
<td><input type="text" name="form_url" value="<%=rs.getString("form_url")%>" size=70>
</td>
</tr>
<tr>

</tr>
</table>
ID:<%=rs.getString("article_id")%>
點繫次數:<%=rs.getString("hits")%>
創建時間:<%=rs.getString("date_and_time")%>
<%

}}
catch(SQLException se1)
{se1.printStackTrace(); conn.rollback();}
catch(NumberFormatException n1)
{n1.printStackTrace();
throw n1;
}
finally{
conn.setAutoCommit(autoCommit);
conn.close();

}

%>
<br><center>
<input type="submit" value="確認修改" class="buttonface"/>
<input type="reset" value="清除" class="buttonface"/></center>
</form>
</html>
//************************************保存修改:saveEdit.jsp
<%@ include file="articleconn.jsp"%>
<%@ page import="moonsoft.test.j2ee.news.*"%>
<%
String title1=request.getParameter("title");
String url1=request.getParameter("url");
String content1=request.getParameter("content");
String types1=request.getParameter("types");
//String hits1=request.getParameter("hits");
String big1=request.getParameter("big");
String vote1=request.getParameter("vote");
String from1=request.getParameter("from1");
String form_url1=request.getParameter("form_url");
//String queryDBTime=" select to_char(systimestamp, 'YYYY-MM-DD HH24:MI:SS') from dual ";
//filter special Character
String types=FilterSpecial.filter(types1);
String url=FilterSpecial.filter(url1);
String content=FilterSpecial.filter(content1);
String big=FilterSpecial.filter(big1);
int vote=Integer.parseInt(vote1);
String from=FilterSpecial.filter(from1);
String form_url=FilterSpecial.filter(form_url1);
String title=FilterSpecial.filter(title1);
String id=(String)session.getAttribute("id");
//out.println(id);
boolean autoCommit=conn.getAutoCommit();
String update=" update learning "+
" set title='"+title+"', url='"+url+"', types='"+types+"', content='"+content+"', big='"+big+"', vote='"+vote+"', form_url='"+form_url+"', from1='"+from+"' "+
" where article_id='"+id+"' ";
//out.println(update);
try{
conn.setAutoCommit(false);
PreparedStatement ps=conn.prepareStatement(update);
int result =ps.executeUpdate();
if(result>0){
%>
<div align="center">
<p> </p><table border="1" cellspacing="0" width="50%" bgcolor="#F0F8FF" bordercolorlight="#000000" bordercolordark="#FFFFFF" align="center">
<tr>
<td width="100%" bgcolor="#B5D85E" height="20">
<p align="center"><font color="#FFFFFF"><b>添加修改成功</b></font>
</td>
</tr>
<tr>
<td width="100%" height="177">
<table width="80%" border="0" cellspacing="0" cellpadding="2" align="center" bordercolorlight="#000000" bordercolordark="#FFFFFF">

<tr>
<td>信息名稱為：<font color="#FF0000"><%=title%></font></td>
<td>編號為：<font color="#FF0000"><%=id%></font></td>
</tr>
</table>
<p align="center"> </p>
<p align="center"><a href="manage.jsp">返回管理頁面</a><br>
</p>
</td>
</tr>
</table>
</div>
<%
//response.sendRedirect("manage.jsp");
}
conn.commit();
}

catch(SQLException se1){se1.printStackTrace(); conn.rollback();}
finally{
conn.setAutoCommit(autoCommit);
conn.close();}
%>
//**********************删除页面之一:提示要删除的信息delete.jsp
<%@ include file="article.jsp"%>
<%
String id=request.getParameter("id");
String title=request.getParameter("title");
//out.println(title);
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Big5">
<title>確認刪除</title>
</head>
<body>

<div align="center">
<p> </p><table border="1" cellspacing="0" width="50%" bgcolor="#F0F8FF" bordercolorlight="#000000" bordercolordark="#FFFFFF" align="center">
<tr>
<td width="100%" bgcolor="#B5D85E" height="20">
<p align="center"><font color="#FFFFFF"><b>刪除信息</b></font>
</td>
</tr>
<tr>
<td width="100%" height="177">
<table width="80%" border="0" cellspacing="0" cellpadding="2" align="center" bordercolorlight="#000000" bordercolordark="#FFFFFF">
<br><br>
<tr>
<td>確認刪除編號為：<font color="#FF0000"><%=id%></font>
, 名稱為<font color="#FF0000"><%=title%></font>的信息嗎?</td>
</tr>
</table>
<br><br>
<p align="center"><a href="saveDelete.jsp?id=<%=id%>">是</a>
<a href="manage.jsp">否</a></p>
</td>
</tr>
</table>
</div>
</body>
</html>
//***************删除页面之二:saveDelete.jsp,删除成功后直接跳转到manage.jsp页面
<%@ include file="articleconn.jsp"%>
<%

String id=request.getParameter("id");
boolean autoCommit=conn.getAutoCommit();
String delete=" delete from learning where article_id="+id+" ";
try{
conn.setAutoCommit(false);
PreparedStatement ps=conn.prepareStatement(delete);
int rs=ps.executeUpdate();
if(rs>0)
{response.sendRedirect("manage.jsp");}
}
catch(SQLException se1)
{se1.printStackTrace(); conn.rollback();}
finally
{conn.setAutoCommit(autoCommit);
conn.close();}
%>

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Oracle & JSP 开发的小型信息管理系统 (五) 源代码4