Video video = new Video(); 把这个放到 while(rs.next()){ Video video = new Video(); video.setVideoId(rs.getInt("videoId")); video.setVideoName(rs.getString("videoName")); video.setVideoDesc(rs.getString("videoDesc")); list.add(video); } 里边。不放进去默认会被最后一个覆盖
Video video = new Video(); 把这个放到 while(rs.next()){ Video video = new Video(); video.setVideoId(rs.getInt("videoId")); video.setVideoName(rs.getString("videoName")); video.setVideoDesc(rs.getString("videoDesc")); list.add(video); } 里边。不放进去默认会被最后一个覆盖