[Python Study Notes]CS架构远程访问获取信息--Client端v1.0

更新内容:

1.添加entry栏默认ip和port口

2.修正退出功能

3.添加退出自动关闭窗口功能

4.优化cpu显示为固定保留两位小数

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>>文件: ps_client.py
>>作者: liu yang
>>邮箱: [e-mail]

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys, os
from socket import *
from tkinter import *

class Ps_client():
    def __init__(self):
        self.ip=None
        self.port=None
        self.data=None
        # 创建ipv4套接字
        self.client=socket(AF_INET,SOCK_STREAM)
        self.root=Tk()
        self.root.geometry('300x300+250+250')

        # 创建IP输入框
        var_ip = StringVar()
        var_ip.set('localhost')
        self.et_ip=Entry(self.root,width=30,textvariable=var_ip)
        self.et_ip.pack()

        # 创建IP输入框的Label
        self.ip_lable=Label(self.root,text="ip地址")

        # 创建端口号输入框
        var_port = StringVar()
        var_port.set(66)
        self.et_port=Entry(self.root,width=30,textvariable=var_port)
        # 创建端口号Label
        self.port_lable=Label(self.root,text="端口号")

        # 创建连接按钮,注意!!!command=后面的连接的不加括号
        self.connButten=Button(self.root,text="连接",command=self.connect)
        # 创建获取按钮
        self.getCpuButten=Button(self.root,text="CPU",state='disable',command=self.get_cpu_info)
        # 创建断开按钮
        self.exitButten=Button(self.root,text="退出",state='disable',command=self.exit_connect)

        self.txtBox=Text(self.root,width=40,height=10)

    def main(self):
        self.et_ip.place(x=5,y=20)
        self.et_port.place(x=5,y=50)
        self.ip_lable.place(x=230,y=20)
        self.port_lable.place(x=230,y=50)
        self.connButten.place(x=5,y=80)
        self.getCpuButten.place(x=90,y=80)
        self.exitButten.place(x=180,y=80)
        self.txtBox.place(x=5,y=120)
        self.txtBox.insert(INSERT,'在这里显示内容')
        self.root.mainloop()

    def connect(self):
        self.ip=self.et_ip.get()
        try:
            self.port=int(self.et_port.get())
        except ValueError:
            self.txtBox.delete(0.0,END)
            self.txtBox.insert(0.0,"请输入合法的ip和端口...")
        else:
            print("ip:%s"%self.ip)
            print("port:%s"%self.port)
            self.txtBox.delete(0.0,END)
            self.txtBox.insert(0.0,"正在链接中...")
            try:
                self.client.connect((self.ip,self.port))
            except OSError:
                print("向一个无法连接的网络尝试了一个套接字操作")
                self.txtBox.delete(0.0, END)
                self.txtBox.insert(0.0, "%s:%d连接失败..."%(self.ip,self.port))
            else:
                print("%s连接成功..."%self.ip)
                self.txtBox.delete(0.0, END)
                self.txtBox.insert(0.0, "%s:%d连接成功..."%(self.ip,self.port))
                # 连接成功则将其他按钮变为可按状态
                self.exitButten['state']='active'
                self.getCpuButten['state']='active'

    def get_cpu_info(self):
        self.data='cpu'
        self.client.send(self.data.encode('utf-8'))
        # 将接受的数据装换成浮点数据
        cpu_used=float(self.client.recv(1024).decode('utf-8'))
        print('CPU使用率:%0.2f'%cpu_used+'%')
        self.txtBox.delete(0.0, END)
        # 字符串前加上r为防转义
        self.txtBox.insert(0.0, "当前的cpu使用率:%0.2f"%cpu_used+r"%")

    def exit_connect(self):
        self.client.close()
        self.txtBox.delete(0.0, END)
        self.txtBox.insert(0.0, "当前连接已断开...")
        print("当前连接已断开...")
        self.exitButten['state'] = 'disable'
        self.getCpuButten['state'] = 'disable'
        # 关闭当前窗口
        self.root.destroy()

if __name__ == '__main__':
    Ps=Ps_client()
    Ps.main()