"; echo $course_info["teacher"]." > "; echo ''.$course_info["title"].''; if(isset($lesson_info)){ echo " > ".$lesson_info["title"]; } echo '

'.$course_info["subtitle"].'

'; echo '

'; $coverlink = $cover["{$course_info["cover"]}"]; echo '

'; if(isset($lesson_info)){ echo $lesson_info["link"]; } else{ if(substr($coverlink,0,6)=="media:"){ echo '

'; } else{ echo '

'; } } echo '

'; echo '

'; //右侧lesson列表 echo '

'; //课程视频 $query = "select * from lesson where course_id = '{$_GET["id"]}' limit 0,100"; $fAllLesson = PDO_FetchAll($query); $coverList = array(); foreach($fAllLesson as $row){ $coverList[] = $row["cover"]; } $covers = media_get($coverList); foreach ($covers as $value) { $cover["{$value["id"]}"] = $value["link"]; } $iLesson = 1; foreach($fAllLesson as $row){ echo '

'; echo 'Lesson:'.$iLesson; echo '

'.$row["title"].'

'; echo '

主讲：'.$row["teacher"].'

'; echo '

'; $iLesson++; } echo '

'; echo '

'; echo '简介'; echo '

'; echo '

'; if(isset($lesson_info)){ echo $lesson_info["summary"]; } else{ echo $course_info["summary"]; } echo '

'; echo '

'; echo '课程列表'; echo '

'; echo '

'; foreach($fAllLesson as $row){ echo '

'; echo '

'; $coverlink = $cover["{$row["cover"]}"]; echo '

'; if(substr($coverlink,0,6)=="media:"){ echo '

'; } else{ echo '

'; } echo '

'; echo '

'.$row["title"].'

'; echo '

'.$row["subtitle"].'

'; echo '

'.$row["summary"].'

'; echo '

主讲：'.$row["teacher"].'

'; echo '

'; } echo '

'; echo '