1.测试数据

coderli7 · coderli7 · commit 0f4d7e40c6c6 · 2020-05-25T17:25:44.000+08:00
diff --git a/com/lxl/base/Python1_JiBenYuFa.py b/com/lxl/base/Python1_JiBenYuFa.py
@@ -0,0 +1,33 @@
+import  keyword
+# print(keyword.kwlist)
+'''
+多行注释1
+多行注释2
+'''
+"""
+多行注释1
+多行注释2
+"""
+# print(1+2)
+
+str='''abx_123456 789GHK
+444'''
+
+# print(str[2:])
+# print(str*2)
+
+print(str[2:3:3],end="")
+
+print('AAA')
+
+#
+# import  sys
+# for i in sys.argv:
+#     print(i)
+# print(sys.path)
+
+# from sys import argv,path
+#
+# print(path)
+
+help(print)
diff --git a/com/lxl/base/Python2_ShuJuLeiXing.py b/com/lxl/base/Python2_ShuJuLeiXing.py
@@ -0,0 +1,39 @@
+# a=100
+# b=100.0
+# c='ddd'
+# a,b,c=1,2,'test'
+# print(a)
+# print(b)
+# print(c)
+
+# Python3 中有六个标准的数据类型：
+
+# Number（数字）数字分类别
+# String（字符串）
+# List（列表）
+# Tuple（元组）
+# Set（集合）
+# Dictionary（字典）
+
+# 不可变数据（3 个）：Number（数字）、String（字符串）、Tuple（元组）；
+# 可变数据（3 个）：List（列表）、Dictionary（字典）、Set（集合）。
+a,b,c,d=1,1.2,True,4+4j
+
+# print(type(a))
+# print(type(b))
+# print(type(c))
+# print(type(d))
+#
+# print(isinstance(a,bool))
+
+
+print(b**3)
+
+print(3/2)
+print(3//2)
+
+print(1+0.1)
+
+# 字符串不可变
+# 元组不可变
+
diff --git a/com/lxl/base/Python3_DieDaiQi.py b/com/lxl/base/Python3_DieDaiQi.py
@@ -0,0 +1,7 @@
+list=[1,2,3,'e',3,3,4]
+
+# it=   iter(list)
+# for i in it:
+#     print(i)
+
+
diff --git a/com/lxl/base/Python4_ShuJuJieGou.py b/com/lxl/base/Python4_ShuJuJieGou.py
@@ -0,0 +1,57 @@
+# list1=[1,2,3,4]
+# list1.append(4)
+#
+# list1.insert(1,3)
+#
+# list1.sort()
+#
+# print(list1)
+#
+# list1.reverse()
+# list1.append(5)
+# list1.append(6)
+# a= list1.pop()
+# print(a)
+# print(list1)
+
+# stack=[3,4,5]
+# stack.append(7)
+# print(stack)
+#
+# stack.pop()
+# print(stack)
+#
+# stack.pop()
+# print(stack)
+
+
+# from collections import  deque
+#
+# queue=(['bruce','jackey','mouth'])
+# queue.append('lily')
+# print(queue)
+#
+# queue.popleft()
+
+
+# tmp1=[1,2,3]
+# # tmp1_a=[ 3*x  for x in tmp1]
+# tmp1_a=[ [x,3*x]  for x in tmp1]
+# print(tmp1)
+# print(tmp1_a)
+
+
+# tmp2=["  you  "," are     "," a big man","!"]
+
+# tmp2_a=[ x.strip()  for x in tmp2 if len(x)>5]
+#
+# print(tmp2)
+# print(tmp2_a)
+
+
+
+str=input("请输入:")
+print(str)
+
+
+
diff --git a/com/lxl/base/Python5_File.py b/com/lxl/base/Python5_File.py
@@ -0,0 +1 @@
+open("C:\\1.txt")
diff --git a/com/lxl/base/Python6_StandardAPI.py b/com/lxl/base/Python6_StandardAPI.py
@@ -0,0 +1,58 @@
+import  os
+
+# a=os.getcwd()
+# print(a)
+#
+# os.chdir("D:\\")
+# a=os.getcwd()
+# print(a)
+# a1= os.system("mkdir today")
+# dir(os)
+
+
+import  shutil
+
+# shutil.copyfile("C:\\1.txt","D:\\11111.txt")
+# import glob
+# os.chdir("C:\\")
+# b=glob.glob("*.txt")
+# print(b)
+
+
+
+
+
+import  math
+# a=math.cos(math.pi/4)
+# print(a)
+
+import random
+
+# a=random.choice(['a','b','c'])
+# print(a)
+
+# from datetime import date
+# print(date.today())
+
+import  zlib
+
+s=b'witch which hasssssss which witches wrist watch'
+print(len(s))
+t=zlib.compress(s)
+print(len(t))
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+print("OK!")
+
diff --git a/com/lxl/higer/Python1_ZhengZe.py b/com/lxl/higer/Python1_ZhengZe.py
@@ -0,0 +1,6 @@
+import  re
+
+print(re.match("www","www.baidu.com").span())
+# print(re.match("www","www.baidu.com"))
+
+print(re.search("www","www.baidu.com"))
diff --git a/com/lxl/higer/Python2_MySql.py b/com/lxl/higer/Python2_MySql.py
@@ -0,0 +1,20 @@
+import  mysql.connector
+
+mydb = mysql.connector.connect(
+  host="localhost",       # 数据库主机地址
+  user="root",    # 数据库用户名
+  passwd="123456"   # 数据库密码
+)
+
+# print(mydb)
+
+mycusor=  mydb.cursor()
+# mycusor.execute('create database python_test')
+
+
+mycusor.execute('show databases')
+
+for x in mycusor:
+    print(x)
+
+print("OK!")
diff --git a/com/lxl/higer/Python3_PyMySql.py b/com/lxl/higer/Python3_PyMySql.py
@@ -0,0 +1,21 @@
+
+# 更好用的库，连接mysql
+
+import  pymysql
+
+# 打开数据库连接
+db = pymysql.connect("localhost", "root", "123456", "test1")
+
+# 使用 cursor() 方法创建一个游标对象 cursor
+cursor = db.cursor()
+
+# 使用 execute()  方法执行 SQL 查询
+cursor.execute("SELECT VERSION()")
+
+# 使用 fetchone() 方法获取单条数据.
+data = cursor.fetchone()
+
+print("Database version : %s " % data)
+
+# 关闭数据库连接
+db.close()
diff --git a/com/lxl/higer/Python4_Socket.py b/com/lxl/higer/Python4_Socket.py
@@ -0,0 +1,28 @@
+# 导入 socket、sys 模块
+import socket
+import sys
+
+# 创建 socket 对象
+serversocket = socket.socket(
+    socket.AF_INET, socket.SOCK_STREAM)
+
+# 获取本地主机名
+host = socket.gethostname()
+
+port = 9999
+
+# 绑定端口号
+serversocket.bind((host, port))
+
+# 设置最大连接数，超过后排队
+serversocket.listen(5)
+
+while True:
+    # 建立客户端连接
+    clientsocket, addr = serversocket.accept()
+
+    print("连接地址: %s" % str(addr))
+
+    msg = '欢迎访问！' + "\r\n"
+    clientsocket.send(msg.encode('utf-8'))
+    clientsocket.close()
diff --git a/com/lxl/higer/Python4_Socket_Client.py b/com/lxl/higer/Python4_Socket_Client.py
@@ -0,0 +1,22 @@
+# 导入 socket、sys 模块
+import socket
+import sys
+
+# 创建 socket 对象
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+# 获取本地主机名
+host = socket.gethostname()
+
+# 设置端口号
+port = 9999
+
+# 连接服务，指定主机和端口
+s.connect((host, port))
+
+# 接收小于 1024 字节的数据
+msg = s.recv(1024)
+
+s.close()
+
+print (msg.decode('utf-8'))
diff --git a/com/lxl/higer/Python6_Json.py b/com/lxl/higer/Python6_Json.py
@@ -0,0 +1,12 @@
+import json
+
+# Python 字典类型转换为 JSON 对象
+data = {
+    'no': 1,
+    'name': 'Runoob',
+    'url': 'http://www.runoob.com'
+}
+
+json_str = json.dumps(data)
+print("Python 原始数据：", repr(data))
+print("JSON 对象：", json_str)
diff --git a/com/lxl/higer/Python7_Time.py b/com/lxl/higer/Python7_Time.py
@@ -0,0 +1,30 @@
+import time  # 引入time模块
+
+ticks = time.time()
+# print ("当前时间戳为:", ticks)
+#
+# localtime = time.localtime(time.time())
+# print ("本地时间为 :", localtime)
+#
+#
+# localtime = time.asctime( time.localtime(time.time()) )
+# print ("本地时间为 :", localtime)
+
+# 格式化成2016-03-20 11:45:39形式
+# print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
+
+# 格式化成Sat Mar 28 22:24:24 2016形式
+# print(time.strftime("%a %b %d %H:%M:%S %Y", time.localtime()))
+
+# 将格式字符串转换为时间戳
+# a = "Sat Mar 28 22:24:24 2016"
+# print(time.mktime(time.strptime(a, "%a %b %d %H:%M:%S %Y")))
+
+import calendar
+
+cal = calendar.month(2016, 1)
+print ("以下输出2020年5月份的日历:")
+print (cal)
+
+
+
diff --git a/com/lxl/higer/Python8_MongoDB.py b/com/lxl/higer/Python8_MongoDB.py
@@ -0,0 +1,10 @@
+import pymongo
+
+myclient = pymongo.MongoClient('mongodb://localhost:27017/')
+
+dblist = myclient.list_database_names()
+# dblist = myclient.database_names()
+if "runoobdb" in dblist:
+    print("数据库已存在！")
+else:
+    print("数据库不存在！")
diff --git a/com/lxl/higer/Pythonn5_MutiThread.py b/com/lxl/higer/Pythonn5_MutiThread.py
@@ -0,0 +1,20 @@
+import _thread
+import time
+
+# 为线程定义一个函数
+def print_time( threadName, delay):
+   count = 0
+   while count < 5:
+      time.sleep(delay)
+      count += 1
+      print ("%s: %s" % ( threadName, time.ctime(time.time()) ))
+
+# 创建两个线程
+try:
+   _thread.start_new_thread( print_time, ("Thread-1", 2, ) )
+   _thread.start_new_thread( print_time, ("Thread-2", 4, ) )
+except:
+   print ("Error: 无法启动线程")
+
+while 1:
+   pass
