文件名称:sdkkts
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//需求分析：写一个成绩管理系统。其中的一个功能是实现成绩录入。要求能根据课程名称在系统里找到学生和课程信息；在结果区域中添加成绩。
//规则：要求对输入成绩的操作要有有效性检验。成绩只接受大于0且小于100的数字；同一记录不能反复提交；当点击“提交”，告知用户操作是否成功，并给出相应信息；课程名下拉列表中的课程列表根据数据库中的课程表，自动生成。-/ / Demand analysis: to write a performance management system. A function is to achieve results entry. Requirements depending on the course name to find the students and course information in the system results added in the results area.
/ / Rules: to have a validation of the operation of the input results. Results will only accept greater than 0 and less than 100 figures the same record can not be repeatedly submitted When you click on "Submit" to inform the user whether the operation successfully, and gives the appropriate information list of courses under the course name in the drop-down list in the database curriculum, automatically generated.
//规则：要求对输入成绩的操作要有有效性检验。成绩只接受大于0且小于100的数字；同一记录不能反复提交；当点击“提交”，告知用户操作是否成功，并给出相应信息；课程名下拉列表中的课程列表根据数据库中的课程表，自动生成。-/ / Demand analysis: to write a performance management system. A function is to achieve results entry. Requirements depending on the course name to find the students and course information in the system results added in the results area.
/ / Rules: to have a validation of the operation of the input results. Results will only accept greater than 0 and less than 100 figures the same record can not be repeatedly submitted When you click on "Submit" to inform the user whether the operation successfully, and gives the appropriate information list of courses under the course name in the drop-down list in the database curriculum, automatically generated.
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