echo "学号: " . $row["student_id"]. " - 姓名: " . $row["name"]. " - 选课数: " . $row["course_count"]. " - 总成绩: " . $row["total_score"]. ""; } } else { echo "0 结果"; } $conn->close(); ?> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 1...