#Opencv file storage serial number#
#Opencv file storage code#

Showinfo(title=' Prompt interface ', message=' Delete student success !!!') The delete operation is also divided into two parts пјљ Graphical page implementation Function realization, The two are placed in two different files, Segment is operation.py File with the UI.py file, The method of deletion is put in operation Class, The implementation process is as follows пјљ Set a flag amount x And the initial value is 0, If this x Less than allstudent The total number of messages in the continues to execute the following code, If you can match the entered student ID to allstuent A student number in, Then all its information is transferred from allstudent Use in del Delete the, If it is not found, it will increase automatically, From increasing to and allstudent If no matching student ID is found when the number is the same, call tkinter Of showerror Method error reporting does not exist for the current student.

Showinfo(title=' Prompt interface ', message=' Join the success пјЃпјЃпјЃ') Delete the information пјљ

#Opencv file storage serial number#

Showerror(title=' Error interface ', message=' Repeat the student number пјЃпјЃпјЃ Please re-enter the serial number пјЃпјЃпјЃ') Showinfo(title=' Prompt interface ', message=' Join the success пјЃпјЃпјЃ') Showerror(title=' Error interface ', message=' Student ID cannot be empty пјЃ Join the failure пјЃпјЃпјЃ')

#Opencv file storage code#

Of the add operation operation.py Implementation code in, This function is encapsulated in operation In class, Implementation is not troublesome, First declare a list student Used to temporarily store the added information, After temporary storage, click OK to add the temporary storage information to allstudent The list is officially stored, Then it will be saved and finally stored in the file, Ensure the security of the data, In addition, there is a judgment on whether the student ID exists, After entering the student ID, first judge whether the student ID is empty, If it is empty, it returns directly, If it is not empty, judge first allstudent Whether there is data in the list, If there is no data, there is no duplication of student numbers, You can add it directly, If allstudent If it is not empty, it is judged whether there is, If it exists, call tkinter Of showerror The error report already exists, If it does not exist, add and call tkinter Of showinfo Method description added successfully def addstudent(self, sno, sname, sex, birthday, phone, dorm): The addition operation is also divided into two parts пјљ Graphical page implementation Function realization, The two are placed in two different files, Segment is operation.py File with the UI.py file, In the same way, each file can be used normally only after the pilot package, Let's first explain where the information is stored in the code пјљ Stored in a file named allstudent In a list of пјљ allstudent = Two пјљ Add, delete, change and query implementation explanation пјљ Add information пјљ One пјљ The page display пјљ Add information page пјљ рџҐҐ Two пјљ Add, delete, change and query implementation explanationДЄdd, delete, modify and query function codes Complete files are available through private chat. GUI It uses Python Self contained tkinter modular, No need to configure ,Python The self-contained module can be directly used as a guide package, Including addition, deletion, modification and query + Save the file, Satisfy 90% College Students' final course design needs пјЃпјЃпјЃ Running at main.py Right click the file to run