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Oracle & JSP 开发的小型信息管理系统 (五) 源代码4

作者:未知 来源:月光软件站 加入时间:2005-5-13 月光软件站

//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>
<!--meta name="GENERATOR" content="Microsoft FrontPage 4.0"-->
<link rel="stylesheet" href="css/style.css"/>

</head>
<style type="text/css">
<!--
.style2 {
 color: #FFFFFF;
 font-weight: bold;
}
.style3 {color: #FF0000}
.style5 {color: #0080C0}
-->
</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")%>&nbsp;
    點繫次數:<%=rs.getString("hits")%>&nbsp;
    創建時間:<%=rs.getString("date_and_time")%>&nbsp;
  <%
 
  }}
  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"/>&nbsp;
  <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>&nbsp;</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">&nbsp;</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>&nbsp;</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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
       <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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