|
|
@ -364,6 +364,12 @@ Step 5: 关闭文件
|
|
|
|
|
|
|
|
|
|
|
|
![](pictures/save_data.drawio.svg)
|
|
|
|
![](pictures/save_data.drawio.svg)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#### print_data
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Step 1: 输出学号、姓名、成绩
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
![](pictures/print.drawio.svg)
|
|
|
|
|
|
|
|
|
|
|
|
#### query_data
|
|
|
|
#### query_data
|
|
|
|
|
|
|
|
|
|
|
|
Step 1: 输入学生学号
|
|
|
|
Step 1: 输入学生学号
|
|
|
@ -382,12 +388,6 @@ Step 5: 添加学生到数据
|
|
|
|
Step 6: 提示添加成功
|
|
|
|
Step 6: 提示添加成功
|
|
|
|
![](pictures/add_data.drawio.svg)
|
|
|
|
![](pictures/add_data.drawio.svg)
|
|
|
|
|
|
|
|
|
|
|
|
#### print_data
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Step 1: 输出学号、姓名、成绩
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
![](pictures/print.drawio.svg)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#### update_data
|
|
|
|
#### update_data
|
|
|
|
|
|
|
|
|
|
|
|
Step 1: 输入学号
|
|
|
|
Step 1: 输入学号
|
|
|
|