来源：奥索网 桌面中心(三)修改数据库作者：elong 下面这个程序在你输入id后就把那个id的数据列出来。然后你就可以修改后写入了. <html> <body> <h1>数据库的数据更新</h1> <? if(isset($id)) { if(!mysql_connect("localhost","用户名","密码")) {echo"无法联接数据库"; exit(); } if(isset($url)) { $query="update $jpg set id="$id",url="$url",mess="$mess",fromx="$fromx",url1="$url1",mess1="$mess1",fromx1="$fromx1",url2="$url2",mess2="$mess2",fromx2="$fromx2",url3="$url3",mess3="$mess3",fromx3="$fromx3" where id="$id"" ; $result=mysql_db_query("elong",$query); //执行写入 if (!$result) {echo "发生错误!"; exit(); } echo "$id 已经更新!"; echo "<table>n <tr>n <td>ID<td>$id</tr>n <tr>n <td>url地址<td>$url</tr>n <tr>n <td>小图<td>$mess</tr>n <tr>n <td>说明<td>$fromx</tr>n <tr>n <td>url地址1<td>$url1</tr>n <tr>n <td>小图1<td>$mess1</tr>n <tr>n <td>说明1<td>$fromx1</tr>n <tr>n <td>url地址2<td>$url2</tr>n <tr>n <td>小图2<td>$mess2</tr>n <tr>n <td>说明2<td>$fromx2</tr>n <tr>n <td>url地址3<td>$url3</tr>n <tr>n <td>小图3<td>$mess3</tr>n <tr>n <td>说明3<td>$fromx3</tr>n </table>n"; echo "<a href="set.htm">回到首页</a>"; exit(); } $query="SELECT id,url,mess,fromx,url1,mess1,fromx1,url2,mess2,fromx2,url3,mess3,fromx3 from $jpg where id="$id"" ; $result=mysql_db_query("elong",$query); if (!$result) {echo "发生错误!"; exit(); } $r=mysql_fetch_array($result); $id = $r["id"]; $url = $r["url"]; $mess = $r["mess"]; $fromx = $r["fromx"]; $url1 = $r["url1"]; $mess1 = $r["mess1"]; $fromx1 = $r["fromx1"]; $url2 = $r["url2"]; $mess2 = $r["mess2"]; $fromx2 = $r["fromx2"]; $url3 = $r["url3"]; $mess3 = $r["mess3"]; $fromx3 = $r["fromx3"]; echo" <form action="ww.php" method="post">n <table>n <tr>n <td>ID:<td> <input type=text name="id" value="$id"></tr>n <tr>n <td>类形:<td> <input type=text name="jpg" value="$jpg"></tr>n <tr>n <td>图片url地址:<td> <input type=text name="url" size="100" value="$url"></tr>n <tr>n <td>说明:<td> <input type=text name="mess" size="100" value="$mess"></tr>n <tr>n <td>来自:<td> <input type=text name="fromx" size="100" value="$fromx"></tr>n <tr>n <td>图片url地址:<td> <input type=text name="url1" size="100" value="$url1"></tr>n <tr>n <td>说明:<td> <input type=text name="mess1" size="100" value="$mess1"></tr>n <tr>n <td>来自:<td> <input type=text name="fromx1" size="100" value="$fromx1"></tr>n <tr>n <td>图片url地址:<td> <input type=text name="url2" size="100" value="$url2"></tr>n <tr>n <td>说明:<td> <input type=text name="mess2" size="100" value="$mess2"></tr>n <tr>n <td>来自:<td> <input type=text name="fromx2" size="100" value="$fromx2"></tr>n <tr>n <td>图片url地址:<td> <input type=text name="url3" size="100" value="$url3"></tr>n <tr>n <td>说明:<td> <input type=text name="mess3" size="100" value="$mess3"></tr>n <tr>n <td>来自:<td> <input type=text name="fromx3" size="100" value="$fromx3"></tr>n </table>n <input type=submit value="更新">n </form>n"; } else {?> <h3>请输放需要更改的id:</h3> <center><form action="ww.php" method="post"> 动漫桌布 <input type="radio" name="jpg" value="jpg" checked> 平分秋色水彩画 <input type="radio" name="jpg" value="jpg1"> 明星写真 <input type="radio" name="jpg" value="jpg2"> 广告创意 <input type="radio" name="jpg" value="jpg3"> 其它类 <input type="radio" name="jpg" value="jpg4"> <input type=text name="id"> <input type=submit value="查询"> </form></center> <?}?> </body> </html>