"+ image_name +"

"+image_name+"

和image_id ="+ image_id +" ;); while(rs1.next()){ filename = image_name +." + rs1.getString("image_ext"); } 字符串strQuery =从图像中选择图像数据，其中image_name =

and image_id="+image_id+";"); while(rs1.next()){ filename = image_name+"."+rs1.getString("image_ext"); } String strQuery = "select image_data from image where image_name=

" + image_name +"

"+image_name+"