Python Instance _ Payroll management System

First, the author introduces

Wu Haidong: My blog:http://www.cnblogs.com/whd-67270

Ii. Description of the procedure

1. Check the employee's salary

2. Revise employee's salary

3. Add new Employee Records

4. Exit

Three, pre-procedure preparation

Create a file that holds employee information that records the employee's name and salary

Four, program script

deffile_test (): With open ("Yuangong.txt",'R', encoding="Utf-8") as F:file=list (f)returnfiledefserver (): forIinchRange (1):        Print("1. Check employee salary \n2. Revise employee \n3. Add new employee record \n4. Exit")        returniloginsucces=False whiletrue:i=server () Serial_number= Input ("Please select your service:")        ifserial_number.isdigit (): Serial_number=Int (serial_number) file=file_test ()ifSerial_number < 4 andSerial_number >=0:ifSerial_number = = 1: Name= Input ("Please enter the name of the employee to be queried:"). Strip () forIinchFile:file=I.strip (). Split ()ifNameinchFile: Break                     forIinchFile:ifNameinchFile:name_sum= File[1]                            Print("\033[32;1m%s's salary is:%s\033[0m\n"%(name,name_sum)) Break                    Else:                        Print("\033[31;1m does not have this user! \033[0m\n")                elifSerial_number = = 2: Name_old= Input ("Please enter the name of the employee you want to modify:"). Strip () forIiinchFile:file=Ii.strip (). Split ()ifName_oldinchFile:Print(file) Sum_old= File[1] Name_alter,sum_alter= Input ("Please enter the revised employee name and salary, separated by a space:"). Strip (). Split () with open ("Yuangong.txt","R", encoding="Utf-8") as F:lines=F.readlines () with open ("Yuangong.txt","W", encoding="Utf-8") as f_a: forLineinchlines:ifName_oldinchLine:line=line.replace (name_old,name_alter) F_a.write (line) F _a. Close () with open ("Yuangong.txt","R", encoding="Utf-8") as F:lines=F.readlines () with open ("Yuangong.txt","W", encoding="Utf-8") as F_b: forLineinchlines:ifName_alterinchLine:line=line.replace (sum_old,sum_alter) f_b.write (line) Print("Modification succeeded")                                     Break                                    ifLoginsucces = = True: Break                    Else:                        Print("\033[31;1m does not have this user! \033[0m\n")                elifSerial_number = = 3:                    Try: name_new, Sum_new= Input ("Please enter the employee name and salary to be added, separated by a space:"). Strip (). Split ()exceptValueError:Print("\033[31;1m input parameters are not enough! \033[0m\n")                    Else:                        ifName_new.isalpha () andsum_new.isdigit (): forIiinchFile:file=Ii.strip (). Split ()ifName_new not inchFile:with Open ("Yuangong.txt","A +", encoding="Utf-8") as F_c:f_c.write ("\n%s%s"%(name_new,sum_new))Print("Increase Success")                                     Break                                    ifLoginsucces = = True: Break                        Else:                            Print("\033[31;1m parameter type is wrong! \033[0m\n")                elifSerial_number = = 4: Exit ()Else:                Print("\033[31;1m Please enter the correct serial number! \033[0m\n")        Else:            Print("\033[31;1m input is not an integer! \033[0m\n")

Five, perform the demo

Python Instance _ Payroll management System