finished 07

01/01.py

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+# -*- coding: UTF-8 -*-
+from PIL import Image
+from PIL import ImageDraw,ImageFont
+
+
+
+
+im=Image.open("./qq.png")
+name="4"
+print(im.format,im.size,im.mode)
+ps=ImageDraw.Draw(im)
+box=im.size
+ps.ink= 255 + 0 * 256 + 0 * 256 * 256
+ps.text((im.size[0]-35,5),name,font=ImageFont.truetype("C:\Windows\Fonts\simfang.ttf",50))
+
+im.show()
+im.save("./qq1.png")
+

02/02

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+adsf

02/02.py

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+import random
+coupon=[]
+
+for i in range(200):
+    coupon.append(random.randint(10000000,99999999))
+
+
+print(coupon)
+
+

03/03

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+1.安装MYSQL
+
+2.安装install mysql-connector #安装驱动或者pip install mysql-connector-python --allow-external mysql-connector-python
+
+3.测试
+# 导入MySQL驱动:
+>>>import mysql.connector
+#连接dexterliao
+conn = mysql.connector.connect(user='root', password='', database='dexterliao')
+cursor = conn.cursor()
+#创建user表单
+cursor.execute('create table user (`id` INT UNSIGNED AUTO_INCREMENT, `code` VARCHAR(40) NOT NULL,PRIMARY KEY ( `id` ))')
+
+4.安装SQLAlchemy
+
+5.底层处理
+from sqlalchemy import create_engine
+mysql+mysqlconnector://<user>:<password>@<host>[:<port>]/<dbname>
+engine = create_engine('mysql+mysqlconnector://root:password@localhost:3306/test')
+6.创建表
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import Column, Integer, String, ForeignKey, UniqueConstraint, Index
+from sqlalchemy.orm import sessionmaker, relationship
+from sqlalchemy import create_engine
+
+
+engine = create_engine('mysql+mysqlconnector://root:password@localhost:3306/test')
+
+# 创建对象的基类:
+Base = declarative_base()
+
+# 定义User对象:
+class User(Base):
+    # 表的名字:
+    __tablename__ = 'user'
+
+    # 表的结构:
+    id = Column(String(20), primary_key=True)
+    code = Column(String(20))
+# 创建DBSession类型:
+DBSession = sessionmaker(bind=engine)
+
+
+# 创建session对象:
+session = DBSession()
+# 创建新User对象:
+new_user = User(id='5', name='Bob')
+# 添加到session:
+session.add(new_user)
+# 提交即保存到数据库:
+session.commit()
+# 关闭session:
+session.close()
+

03/03.py

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+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import Column, Integer, String, ForeignKey, UniqueConstraint, Index
+from sqlalchemy.orm import sessionmaker, relationship
+from sqlalchemy import create_engine
+import random
+import mysql.connector
+#连接dexterliao
+conn = mysql.connector.connect(user='root', password='', database='dexterliao')
+cursor = conn.cursor()
+#创建user表单
+cursor.execute('create table user (`id` INT UNSIGNED AUTO_INCREMENT, `code` VARCHAR(40) NOT NULL,PRIMARY KEY ( `id` ))')
+#sqlalchemy 连接mysql
+engine = create_engine('mysql+mysqlconnector://root:@localhost:3306/dexterliao')
+
+# 创建对象的基类:
+Base = declarative_base()
+
+# 定义User对象:
+class User(Base):
+    # 表的名字:
+    __tablename__ = 'user'
+
+    # 表的结构:
+    id = Column(Integer, primary_key=True)
+    code = Column(String(40))
+# 创建DBSession类型:
+DBSession = sessionmaker(bind=engine)
+# 创建session对象:
+session = DBSession()
+# 创建新User对象:
+for i in range(200):
+    new_code = User(id=(i+1), code=random.randint(10000000,99999999))
+    session.add(new_code)
+
+
+session.commit()
+session.close()
+

03/QUERY.py

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+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import Column, Integer, String, ForeignKey, UniqueConstraint, Index
+from sqlalchemy.orm import sessionmaker, relationship
+from sqlalchemy import create_engine
+
+
+#sqlalchemy 连接mysql
+engine = create_engine('mysql+mysqlconnector://root:@localhost:3306/dexterliao')
+# 创建对象的基类:
+Base = declarative_base()
+# 定义User对象:
+class User(Base):
+    # 表的名字:
+    __tablename__ = 'user'
+
+    # 表的结构:
+    id = Column(Integer, primary_key=True)
+    code = Column(String(40))
+
+# 创建DBSession类型:
+DBSession = sessionmaker(bind=engine)
+# 创建Session:
+session = DBSession()
+# 创建Query查询，filter是where条件，最后调用one()返回唯一行，如果调用all()则返回所有行:
+user = session.query(User).filter(User.id==5).one()
+# 打印类型和对象的name属性:
+print('type:', type(user))
+print('name:', user.code)
+# 关闭Session:
+session.close()

05/05.py

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+import re
+
+def count_the_words(path):
+    with open(path) as f:
+        text=f.read()
+        wordlist=re.findall(r'[a-zA-Z0-9]+', text)
+        print(wordlist)
+        count=len(wordlist)
+
+    return count
+if __name__ == '__main__':
+    nums = count_the_words('.\\file.txt')
+print (nums)
+
+
+

05/file.txt

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+# -*- coding: utf-8 -*-
+# **�� 0004 �⣺**��һ��Ӣ�ĵĴ��ı��ļ���ͳ�����еĵ��ʳ��ֵĸ�����
+import re
+
+fin = open('source/0004-text.txt', 'r')
+str = fin.read()
+
+reObj = re.compile('\b?(\w+)\b?')
+words = reObj.findall(str)
+
+wordDict = dict()
+
+for word in words:
+    if word.lower() in wordDict:
+        wordDict[word.lower()] += 1
+    else:
+        wordDict[word] = 1
+
+for key, value in wordDict.items():
+print('%s: %s' % (key, value))

06/06

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+a

06/06.py

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+from PIL import Image
+import os
+
+
+
+def Re_size(path):
+    iPhone5_WIDTH = 1136
+    iPhone5_HEIGHT = 640
+    new_path=r"\\new\\"
+    name_list=os.listdir(path)
+    for name in name_list:
+        photo=Image.open(path+name)
+        w, h = photo.size
+        print(name)
+        if w>iPhone5_WIDTH:
+            w=iPhone5_WIDTH
+            h=h*iPhone5_WIDTH//w
+        if h>iPhone5_HEIGHT:
+            h=iPhone5_HEIGHT
+            w=w*iPhone5_HEIGHT//h
+        resize_photo=photo.resize((w,h),Image.ANTIALIAS)# ANTIALIAS滤镜缩放
+        resize_photo.save(os.getcwd()+new_path+name)
+        print(name)
+
+
+
+
+if __name__ == '__main__':
+    Re_size(r".//photos//")

06/test.py

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+from PIL import Image
+import os
+path='.//photos//'
+name_list=os.listdir(path)
+for name in name_list:
+    print(path+name)
+print(name_list)
+print(os.getcwd())

07/01

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+a

07/07.py

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+import os
+import re
+
+def get_txt(path):
+    f_path=[]
+    for root, dirs, files in os.walk(path):
+        print(root,"\n",dirs,"\n",files)
+        for f in files:
+            if f.lower().endswith(".txt"):
+                f_path.append(os.path.join(root,f))
+    return f_path
+
+def text_analysis(f_path):
+    word_dic = {}
+    f=open(f_path)
+    text=f.read()
+    word_list=re.findall(r'[a-zA-Z]+',text)
+    print(word_list)
+    for w in word_list:
+        if w in word_dic:
+            word_dic[w]+=1
+        else:
+            word_dic[w]= 1
+    sort_wordic=sorted(word_dic.items(),key=lambda item:item[1])
+    print(sort_wordic)
+    print("在文件%s中，关键词为%s，出现次数为%s"%(os.path.basename(f_path),sort_wordic[-1][0],sort_wordic[-1][1]))
+
+if __name__ == '__main__':
+    for file in get_txt(os.getcwd()):
+        text_analysis(file)
+
+

07/file.txt

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+"""
+�� 0006 �⣺����һ��Ŀ¼��������һ���µ��ռǣ����� txt��Ϊ�˱���ִʵ����⣬
+�������ݶ���Ӣ�ģ���ͳ�Ƴ�����Ϊÿƪ�ռ�����Ҫ�Ĵʡ�
+"""
+
+import os
+import re
+
+def walk_dir(path):
+    file_path = []
+    for root, dirs, files in os.walk(path):
+        for f in files:
+            if f.lower().endswith('txt'):
+                file_path.append(os.path.join(root, f))
+    return file_path
+
+def find_key_word(filepath):
+    word_dic = {}	
+    filename = os.path.basename(filepath)
+    with open(filepath) as f:
+        text = f.read()
+        words_list = re.findall(r'[A-Za-z]+', text.lower())
+        for w in words_list:
+            if w in word_dic:
+                word_dic[w] += 1
+            else:
+                word_dic[w] = 1
+        sorted_word_list = sorted(word_dic.items(), key=lambda d: d[1])
+        print u"��%s�ļ��У�%sΪ�ؼ��ʣ���������%s��" %(filename, sorted_word_list[-1][0], sorted_word_list[-1][1])
+
+if __name__ == "__main__":
+    for file_path in walk_dir(os.getcwd()):
+find_key_word(file_path)

08/08

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+1

08/08.py

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+#coding:utf-8
+import os
+
+def get_py(path):
+    f_path=[]
+    for root, dirs, files in os.walk(path):
+        print(root,"\n",dirs,"\n",files)
+        for f in files:
+            if f.lower().endswith(".py"):
+                f_path.append(os.path.join(root,f))
+    return f_path
+def py_analysis(py_path,x,y,z):
+    f=open(py_path,encoding='UTF-8')
+    f=f.read()
+    f=f.split("\n")
+    N_um=0
+    zhushi_line=0
+    emptyline=0
+    for line in f:
+        N_um += 1
+        if line.startswith('#'):
+            zhushi_line +=1
+        if line.startswith('\'\'\''):
+            zhushi_line += 1
+        if line.startswith('\"\"\"'):
+            zhushi_line += 1
+        if line.startswith(''):
+            emptyline+=1
+    print("在文件%s中，总数为%s行，注释行为%s，空行为%s" %(os.path.basename(py_path), N_um, zhushi_line, emptyline))
+    return N_um,zhushi_line,emptyline
+if __name__ == '__main__':
+    total_num=0
+    total_zhushi_line=0
+    total_emptyline=0
+    for file in get_py(os.getcwd()):
+        b,c,d=py_analysis(file,x=0,y=0,z=0)
+        total_num += b
+        total_zhushi_line += c
+        total_emptyline +=  d
+    print("写入总数为%s行，注释行为%s，空行为%s" % (total_num, total_zhushi_line,total_emptyline))

08/test.py

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+def secondvalue(a,b):
+    c=8
+    return ("s","s",c)
+
+
+x= secondvalue('s',2)[0]
+y = secondvalue('s',2)[1]
+z = secondvalue('s',2)[2]
+print ('x:',x,'y:',y,'z:',z)