对给定的学生数据库db_student设计一个学生表tb_student的操作页面，要求实现课程成绩录入的功能，输入学号后点击查询按钮可显示相应的姓名、专业，输入课程名称和成绩后，点击“添加”按钮可以添加学生的课程成绩(For a given student database db_student design a student table tb_student operation page, required to realize the function of the curriculum record entry, click the query button after the entry of the school number can display the corresponding name, professional, enter the course name and results, click the "add" button to add students' curriculum results)