python实现电子词典

# -*- coding: utf-8 -*-
#youdanTest.py
import urllib
import json
 
# 设置一个退出程序的出口
isOut = False
 
# 不断调用爬取翻译页面的功能
# 直到isOut被设置为True，退出程序
 
 
def query(keys):
 while True:
  if isOut == True:
   break
 
  # 假定用户输入“CloseMe”，则退出
  key = keys
  if key == "CloseMe":
   isOut = True
   continue # 回到循环开始处，然后结果条件满足退出
 
  # 做真正的查询操作
  url = "http://fanyi.youdao.com/translate"
 
  # 构造headers
  headers = {"User-Agent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
     "X-Requested-With": "XMLHttpRequest",
     "Accept": "application/json, text/javascript, */*; q=0.01",
     "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"
     }
 
  # 把form数据转规范化，然后post给服务端
  formdata = {
   "i": key,
   "from": "AUTO",
   "to": "AUTO",
   "smartresult": "dict",
   "client": "fanyideskweb",
   "salt": "1523933959290",
   "sign": "248f5d216c45a64c38a3dccac0f4600d",
   "doctype": "json",
   "version": "2.1",
   "keyfrom": "fanyi.web",
   "action": "FY_BY_REALTIME",
   "typoResult": "false"
  }
  data = bytes(urllib.parse.urlencode(
      formdata),
      encoding="utf-8")
  # 给服务器发送post请求
  req = urllib.request.Request(url,
          data,
          headers,
          method="POST")
  response = urllib.request.urlopen(req)
  info = response.read().decode("utf-8")
  jsonLoads = json.loads(info)
  return jsonLoads['translateResult'][0][0]["tgt"]

#!/usr/bin/python3
# coding=utf-8
 
 
from signal import *
from socket import *
import pymysql
from time import *
import sys
import os
from youdaoTest import query
 
def do_child(connfd, db):
 while True:
  msg = connfd.recv(128).decode()
  print("msg : ", msg)
 
 
  if msg[0] == 'R':
   do_register(connfd, msg, db)
 
 
  if msg[0] == 'L':
   do_login(connfd, msg, db)
 
 
  if msg[0] == 'Q':
   do_query(connfd, msg, db)
 
 
  if msg[0] == 'H':
   do_history(connfd, msg, db)
 
 
  if msg[0] == 'E':
   connfd.close()
   sys.exit(0)
 return
 
def do_register(connfd, msg, db):
 print("in register.......")
 cursor = db.cursor()
 s = msg.split(' ')
 name = s[1]
 passwd = s[2]
 
 
 sql = "select * from user where name = '%s'" % name
 cursor.execute(sql)
 data = cursor.fetchone()
 print(data)
 
 
 if data != None:
  connfd.send("FALL".encode())
  return
 
 
 sql = "insert into user values ('%s','%s')" % (name, passwd)
 
 
 try:
  cursor.execute(sql)
  db.commit()
  connfd.send('OK'.encode())
 except:
  connfd.send("FALL".encode())
  db.rollback()
  return
 else:
  print("register OK !")

 
def do_login(connfd, msg, db):
 print("in login.......")
 cursor = db.cursor()
 s = msg.split(' ')
 name = s[1]
 passwd = s[2]
 
 
 try:
  sql = "select * from user where name = '%s' and passwd = '%s'" % (
   name, passwd)
  cursor.execute(sql)
  data = cursor.fetchone()
  print(data)
 except:
  pass
 if data == None:
  connfd.send("FALL".encode())
 else:
  connfd.send('OK'.encode())
 return
 
def do_query(connfd, msg, db):
 print("in query.......")
 start = time()
 cursor = db.cursor()
 s = msg.split(' ')
 words = s[1]
 name = s[2]
 msg = query(words)
 connfd.send(msg.encode())
 insert_history(db, words, name)
 
def do_history(connfd, msg, db):
 print('in history...')
 s = msg.split(' ')
 name = s[1]
 cursor = db.cursor()
 sql = 'select * from history where name = "%s"' % name
 try:
  cursor.execute(sql)
  data = cursor.fetchall()
  connfd.send('OK'.encode())
 except:
  connfd.send('FALL'.encode())
 sleep(0.1)
 for msg in data:
  name = msg[0]
  word = msg[1]
  time = msg[2]
  sleep(0.01)
  connfd.send(('%s %s %s' % (name, word, time)).encode())
 sleep(0.1)
 connfd.send('over'.encode())
 
def insert_history(db, words, name):
 time = ctime()
 cursor = db.cursor()
 sql = 'insert into history values ("%s","%s","%s")' % (name, words, time)
 try:
  cursor.execute(sql)
  db.commit()
 except:
  print('into history failed')
  db.rollback()
 
def main():
 signal(SIGCHLD, SIG_IGN)
 db = pymysql.connect('localhost', 'root', '123456', 'dict')
 
 
 HOST = sys.argv[1]
 PORT = int(sys.argv[2])
 sockfd = socket()
 sockfd.bind((HOST, PORT))
 sockfd.listen(5)
 
 while True:
  try:
   connfd, addr = sockfd.accept()
   print("connect addr : ", addr)
  except KeyboardInterrupt:
   raise
  except:
   continue
 
  pid = os.fork()
  if pid < 0:
   print("create child process failed")
   connfd.close()
   continue
  elif pid == 0:
   sockfd.close()
   do_child(connfd, db)
  else:
   connfd.close()
   continue
 
 db.close()
 sockfd.close()
 sys.exit(0)
 
if __name__ == "__main__":
 main()

#!/usr/bin/python
# coding=utf-8
 
from signal import *
from socket import *
from time import *
import sys
import os
 
 
def do_register(sockfd, msg):
 name = input("input your user name ")
 passwd = input("input your user passwd ")
 msg = 'R %s %s' % (name, passwd)
 
 sockfd.send(msg.encode())
 msg = sockfd.recv(128).decode()
 
 if msg[0:2] == 'OK':
  return 0
 else:
  return -1
 
 
def do_login(sockfd, msg):
 name = input("input your user name ")
 passwd = input("input your user passwd ")
 msg = 'L %s %s' % (name, passwd)
 
 sockfd.send(msg.encode())
 msg = sockfd.recv(128).decode()
 
 if msg[0:2] == 'OK':
  return name
 else:
  return -1
 
 
def do_query(sockfd, msg, name):
 while True:
  word = input("input word ")
 
  if word == '##':
   return
 
  msg = 'Q %s %s' % (word, name)
 
  sockfd.send(msg.encode())
  msg = sockfd.recv(128).decode()
 
  if msg[0:2] == 'OK':
   msg = sockfd.recv(1024).decode()
   if msg == " ":
    print("not found this word")
   print(msg)
   # elif msg[:11] == 'found error':
   #  print('found error')
   #  continue
 
  else:
   print("fail to query")
   continue
 
 
def do_history(sockfd, msg, name):
 
 msg = 'H %s' % name
 sockfd.send(msg.encode())
 msg = sockfd.recv(128).decode()
 
 if msg[0:2] == 'OK':
  while True:
   data = sockfd.recv(1024).decode()
   if data == 'over':
    break
 
   print(data)
 else:
  print("fail to history")
  return -1
 
 
def main():
 HOST = sys.argv[1]
 PORT = int(sys.argv[2])
 msg = None
 
 sockfd = socket()
 
 sockfd.connect((HOST, PORT))
 
 def login(name):
  while True:
   print('''
   ==========query commend=========
   ---1:查词 2:历史记录 3:退出---
   ================================
   ''')
   try:
    cmd = int(input("Input commend  "))
   except:
    print("Input error!")
    continue
 
   if cmd not in [1, 2, 3]:
    print("input error!")
    sys.stdin.flush()
    continue
 
   if cmd == 1:
    do_query(sockfd, msg, name)
   if cmd == 2:
    do_history(sockfd, msg, name)
   if cmd == 3:
    break
  return
 
 while True:
  print('''
  =============Welcome=============
  ----1: 注册 2: 登陆 3: 退出----
  =================================
  ''')
  try:
   cmd = int(input("Input command  "))
  except:
   print("Input error")
   continue
 
  if cmd not in [1, 2, 3]:
   print("input error!")
   sys.stdin.flush()
   continue
 
  if cmd == 1:
   if do_register(sockfd, msg) == 0:
    print("register OK!")
   else:
    print("register FALL")
  if cmd == 2:
   name = do_login(sockfd, msg)
   if name != -1:
    print("login OK!")
    login(name)
   else:
    print("register FALL")
  if cmd == 3:
   msg = 'E'
   sockfd.send(msg.encode())
   sockfd.close()
   sys.exit(0)
 
 
if __name__ == "__main__":
 main()