Question

写一个程序，运用switch语句，输入学生成绩，给出相应等级

Answer 1

        /// <summary>
        /// 根据输入的学生成绩判断等级
        /// </summary>
        /// <param name="StudScore">输入的学生成绩</param>
        /// <returns>返回学生成绩对应的等级</returns>
        public string GetStudentGradeByScore(int StudScore)
 乎顷       {
            string grade = "";//等级
            int sw = 0;
            if (StudScore < 60)
            {
                sw = 5;
            }
            else if (StudScore < 75 && StudScore>=60)
            {
                sw = 4;
            }
            else if (StudScore < 90 && StudScore>=75)
   渣顷轿         {
                sw = 3;
            }
            else if (StudScore < 100 && StudScore >= 90)
            {
          如肆      sw = 2;
            }
            else {
                sw = 1;
            }
            switch (sw) {
                case 1: grade = "优＋/A＋"; break;
                case 2: grade = "优/A"; break;
                case 3: grade = "中/B"; break;
                case 4: grade = "良/C"; break;
                case 5: grade = "不及格/D"; break;
                default: break;
            }
            return grade;
        }