Oracle & JSP 开发的小型信息管理系统 (五) 源代码4

2022-07-15 80酷酷网 80kuku.com

js|oracle|信息管理|源代码
//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(); } %>
<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 CharacterString 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>
        </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">

          <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>

        <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();}%>

Oracle &amp; JSP 开发的小型信息管理系统 (五) 源代码4

Oracle & JSP 开发的小型信息管理系统 (五) 源代码4