Python Tkinter实现学生管理系统界面与逻辑详解

#导入tkinter 包
from tkinter import *
from tkinter import ttk
from com.hc.dao.Connect import *
from com.hc.entity.Student import *

root=Tk()
# 窗口宽高 英文X
root.geometry('600x500')
# 固定窗口
root.resizable(width=False,height=False)
# 窗口标题
root.title('hc king')


# 标签 \ n
Label(root,text='信息管理',bg='white',fg='red',font=('宋体',15)).pack(side=TOP,fill='x')
# 数据表格
#居中
dataTreeview=ttk.Treeview(root,show='headings',column=('sid','sname','sex','sage'))
dataTreeview.column('sid',width=150,anchor="center")
dataTreeview.column('sname',width=150,anchor="center")
dataTreeview.column('sex',width=150,anchor="center")
dataTreeview.column('sage',width=150,anchor="center")


dataTreeview.heading('sid',text='编号')
dataTreeview.heading('sname',text='名称')
dataTreeview.heading('sex',text='性别')
dataTreeview.heading('sage',text='年龄')

bottomFrame=Frame(root)

sidLabel=Label(leftFrame,text='编号:')
snameLabel=Label(leftFrame,text='名称:')
sexLabel=Label(leftFrame,text='性别:')
sageLabel=Label(leftFrame,text='年龄:')

sidEntry=Entry(leftFrame)
snameEntry=Entry(leftFrame)
sexEntry=Entry(leftFrame)
sageEntry=Entry(leftFrame)

sidLabel.grid(row=0,column=0)
sidEntry.grid(row=0,column=1)
snameLabel.grid(row=0,column=2)
snameEntry.grid(row=0,column=3)



sexLabel.grid(row=1,column=0)
sexEntry.grid(row=1,column=1)
sageLabel.grid(row=1,column=2)
sageEntry.grid(row=1,column=3)

insButton=Button(rightFrame,text="添加",command=insert)
insButton.grid(row=0,column=0)
delButton=Button(rightFrame,text="删除",command=delete)
delButton.grid(row=0,column=1)
updButton=Button(rightFrame,text="修改",command=update)
updButton.grid(row=1,column=0)
selButton=Button(rightFrame,text="查询",command=select)
selButton.grid(row=1,column=1)#定位式布局，即坐标


dataTreeview.bind('<<TreeviewSelect>>',treeSel)#为dataTreeview绑定事件
bottomFrame.pack()#组件显示
root.mainloop()#界面运行

#点击dataTreeview的某一项，就把数据拿到，放进四个输入框内
def treeSel(event):
  item=dataTreeview.selection()
  itemvalues=dataTreeview.item(item,'values')
  clearEntry()
  sidEntry.insert(0,itemvalues[0])
  snameEntry.insert(0, itemvalues[1])
  sexEntry.insert(0, itemvalues[2])
  sageEntry.insert(0, itemvalues[3])

#把四个输入框的数据放进对象
def update():
  student = Student()
  student.stuId = sidEntry.get()
  student.stuName = snameEntry.get()
  student.stuSex = sexEntry.get()
  student.stuAge = sageEntry.get()
  DataBase().updUser(student)
  clearAndall()


#删除dataTreeview里面的数据
def clear():
  clearEntry()
  for item in dataTreeview.get_children():
    dataTreeview.delete(item)


def addAll():
  for o in DataBase().allUser():
    dataTreeview.insert('',0, values=(o[0], o[1], o[2], o[3]))

#清空四个输入框
def clearEntry():
  sidEntry.delete(0, END)
  snameEntry.delete(0, END)
  sexEntry.delete(0, END)
  sageEntry.delete(0, END)