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Oracle & JSP 开发的小型信息管理系统 (四) 源代码3

类别：Java 点击：0 评论：0 推荐：

//add.jsp 添加信息页面

<%
/*Cookie c[]=request.getCookies();
if(c==null)
{response.sendRedirect("login.jsp");}*/
String userName=(String)session.getAttribute("admin");

if(userName==null)
{response.sendRedirect("login.jsp");}
out.println("Welcome, "+userName);
request.setCharacterEncoding("big5");%>

<%@ page contentType="text/html;charset=big5"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=big5">
<title>添加信息</title>
<!--meta name="GENERATOR" content="Microsoft FrontPage 4.0"-->
<link rel="stylesheet" href="css/style.css"/>

<script language="javascript">

function f1_submit(){
if(document.f1.title.value=="")
{
alert("Sorry, 信息沒有輸入")
document.f1.title.focus()
return false
}

 else if(document.f1.types.value=="")
{
alert("Sorry, 必需輸入信息類型!")
document.f1.types.focus()
return false
}
}

</script>

</head>
<style type="text/css">
<!--
.style2 {
 color: #FFFFFF;
 font-weight: bold;
}
.style3 {color: #FF0000}
.style5 {color: #0080C0}
-->
</style>
<form  method="post" action="save.jsp" name="f1" LANGUAGE="javascript"
    onsubmit="return f1_submit()" >
  <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">添 加 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 name="title" type="text" size="70"></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="23"><span class="style5">鏈接地址</span></td>
      <td><input name="url" type="text" size="70"></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="28"><span class="style5">信息類型</span></td>
      <td><select name="types">
        <option value="mobile phone">mobile phone</option>
        <option value="pc">pc</option>
        <option value="mp3">mp3</option>
        <option value="notebook">notebook</option>
      </select></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="26"><span class="style5">信息說明</span></td>
      <td><textarea name="content"></textarea></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="29"><span class="style5">信息大小</span></td>
      <td><input name="big" type="text" size="10"></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="27"><span class="style5">信息評價</span></td>
      <td><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 name="from1" type="text" size="64"></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="32"><span class="style5">相關地址</span></td>
      <td><input name="form_url" type="text" size="64"></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="46" colspan="2"><div align="center">
          <input name="Submit" type="submit" id="Submit" value="確認" class="buttonface"/>
          &nbsp;&nbsp;&nbsp;
          <input type="reset" name="Reset" value="取消" class="buttonface">
      </div></td>
    </tr>
  </table>
</form>
</html>

//************************将添加的信息插入数据库:save.jsp


<%@ include file="articleconn.jsp"%>
<%@ page import="moonsoft.test.j2ee.news.*"%>

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=Big5">
    <title>保存信息</title>
  </head>
  <body>  
  </body>
</html>
<%
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);

//  decided the request contents

if(vote1==null)
{
out.println("<script language=javascript> alert('錯誤提示:為做評價!');javascript:history.back();</script>");
}

String time="2005-03-01 19:00:00";
boolean autoCommit=conn.getAutoCommit();
try{
PreparedStatement ps=conn.prepareStatement(queryDBTime);
ResultSet rs=ps.executeQuery();
while(rs.next())
{
time=rs.getString(1);
}

String insert=" insert into learning(article_id, types, title, url, content, big, vote, from1, form_url, date_and_time, hits) "+
              " values(add_id_seq.NEXTVAL, '"+types+"', '"+title+"', '"+url+"', '"+content+"', '"+big+"', '"+vote+"', '"+from1+"', '"+form_url+"', '"+time+"', 1 ) " ;

out.println(insert);
ps=conn.prepareStatement(insert);
int rs1=ps.executeUpdate();
if(rs1>0)
{
%>
<head>
<link rel="stylesheet" href="css/article.css">
</head>


<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>添加信息成功</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>
          </tr>
        </table>
        <p align="center">&nbsp;</p>
        <p align="center"> <a href="add.jsp"> 繼續添加數據</a>&nbsp;&nbsp; <a href="manage.jsp">返回管理頁面</a><br>
        </p>
      </td>
    </tr>
    </table>
</div>
<%conn.commit();}}
catch(SQLException se1)
{se1.printStackTrace();
conn.rollback();}
finally{

conn.setAutoCommit(autoCommit);
conn.close(); }
%>

//*******************************显示信息页面:通过javascript 在index.jsp里弹出的窗口:view.jsp

<%@ include file="articleconn1.jsp"%>
<%
String id1=request.getParameter("id").trim();


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>查看信息</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">查 看 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%"><%=rs.getString("title")%></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="23"><span class="style5">鏈接地址</span></td>
      <td><%=rs.getString("url")%></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="28"><span class="style5">信息類型</span></td>
      <td><%=rs.getString("types")%></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="26"><span class="style5">信息說明</span></td>
      <td><%=rs.getString("content")%></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="29"><span class="style5">信息大小</span></td>
      <td><%=rs.getString("big")%></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="27"><span class="style5">信息評價</span></td>
      <td><%
      String temp=rs.getString("vote");
     //out.println(temp);
      int tempVotes=Integer.parseInt(temp);
      for(int i=0; i<tempVotes; i++){%><font color="red">★</font><%}
      %>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="24"><span class="style5">相關主頁</span></td>
      <td><%=rs.getString("from1")%></td>
    </tr>
    <tr bordercolor="#FFFFFF" bgcolor="#FFFFFF">
      <td height="32"><span class="style5">相關地址</span></td>
      <td><%=rs.getString("form_url")%></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" class="buttonface"/>&nbsp;-->
  </center>
</form>
</html>

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