discuz 如何添加数据DB::insert和更新数据DB::update 查询DB::qu

1.添加数据DB::insert$uid=empty($_POST['uid']) ? "" : $_POST['uid'];$username=empty($_POST['username']) ? "" : $_POST['username'];$display_type=empty($_POST['display_type']) ? "" : $_POST['display_type'];$filename=empty($_POST['filename']) ? "" : $_POST['filename']; $details=empty($_POST['details']) ? "" : $_POST['details'];$videoname=empty($_POST['videoname']) ? "" : $_POST['videoname'];//$sql="insert into pre_home_video(uid,display_type,filename,default) values('$uid','$display_type','$filename','$default')";//$query = DB::query($sql);if(!empty($_POST['uid']) && !empty($_POST['display_type']) && !empty($_POST['display_type'] )){$count = DB::result(DB::query("select uid from pre_common_member where uid= $uid"), 0);if($count){$arr=array();$arr['uid'] = $uid;$arr['username'] = $username;$arr['display_type'] = $display_type;$arr['filename'] = $filename; $arr['details'] = $details;$arr['videoname'] = $videoname;if(!file_exists("data/video/{$uid}")){mkdir("data/video/{$uid}", 0700);}if(!file_exists("data/video/{$uid}/cover")){mkdir("data/video/{$uid}/cover", 0700);}$count1=DB::insert('home_video',$arr);if($count1){echo("<script type='text/javascript'>alert('添加成功');window.location = \"admin.php?action=video\";</script>"); }}else{echo("<script type='text/javascript'>alert('添加失败，该用户不存在');</script>");}更新$id = $_GET['id'] ? $_GET['id'] : 0;$query = DB::query("select * from ".DB::table('home_hall')." where id=$id");if($query){$data = DB::fetch($query);if($type == 'gold'){if($op == 'add'){$data['isgold'] = 1;}elseif($op = 'cancle'){$data['isgold'] = 0;}DB::update('home_hall', array('isgold'=>$data['isgold']),array('id'=> $id));}elseif($type == 'index'){if($op == 'add'){$data['isindex'] = 1;}elseif($op = 'cancle'){$data['isindex'] = 0;}DB::update('home_hall', array('isindex'=>$data['isindex']),array('id'=> $id));}}else{echo '没有此展厅';}3.查询，返回结果集$perpage = 25;$start = ($page-1)*$perpage;$mpurl = ADMINSCRIPT.'?action=goldhall';$count = DB::result(DB::query("SELECT COUNT(*) FROM ".DB::table('home_hall')), 0);if($count){$query = DB::query("SELECT * FROM ".DB::table('home_hall')." limit $start, $perpage");while ($value = DB::fetch($query)) {$list[] = $value;}$multipage = multi($count, $perpage, $page, $mpurl);} echo '<table width="100%" border=1>';echo '<tr><td>用户id</td><td>展厅名</td><td>展厅级别</td><td>联系电话</td><td>操作</td><td>操作</td></tr>';foreach ($list as $k => $v){echo "<tr>";echo "<td>{$v['uid']}</td>";echo "<td>{$v['hallname']}</td>";echo $v['isgold'] ? "<td>金牌</td>" : "<td>普通</td>";echo "<td>{$v['telephone']}</td>";if($v['isgold'] == 1){echo "<td><a href='admin.php?action=goldhall&id={$v['id']}&type=gold&op=cancle'>取消金牌展厅</a></td>";}else{echo "<td><a href='admin.php?action=goldhall&id={$v['id']}&type=gold&op=add'>升级</a></td>";}if($v['isindex'] == 1){echo "<td><a href='admin.php?action=goldhall&id={$v['id']}&type=index&op=cancle'>取消首页推荐</a></td>";}else{echo "<td><a href='admin.php?action=goldhall&id={$v['id']}&type=index&op=add'>首页推荐</a></td>";}echo "</tr>";}echo '</table>';if($multipage){echo $multipage;} //删除if($_GET['op'] == 'delete'){if($gid){ //还要删除文件DB::delete('saige_geku', array('id' => $gid));DB::delete('saige_gekufield', array('gid' => $gid));DB::delete('saige_gkcomment', array('gid' => $gid));} }