21天学通Pythontxt,chm,pdf,epub,mobi下载 作者:刘凌霞/郝宁波/吴海涛 出版社: 电子工业出版社 出版年: 2016-1 页数: 344 定价: 59.80元 装帧: 平装 ISBN: 9787121275616 内容简介 · · · · · ·《21天学通Python》全面、系统、深入地讲解了Python编程基础语法与高级应用。在讲解过程中,通过大量实际操作的实例将Python语言知识全面、系统、深入地呈现给读者。此外,作者专门为本书录制了大量的配套教学视频,让读者通过分析实例、运行实例尽快熟悉Python编程,在学习中遇到问题时,也可以作为参考。 《21天学通Python》共分三篇。第一篇介绍Python语言的特点、安装、语法基础、程序流程控制、面向过程的编程方法、面向对象的编程方法、程序异常的处理;第二篇介绍了Python语言中的包与模块、迭代器、生成器、装饰器、上下文管理器等进阶语法,同时介绍了使用Python标准库中的文件系统处理、图形化界面编程、正则表达式、网络编程、多进(线)程编程、数据库编程。此外,还介绍了运用第三方库的Web网站编程、图片处理;第三篇通过两个案例介绍Pyth... 作者简介 · · · · · ·本书的作者团队成员为一线开发工程师、资深编程专家或专业培训师,在编程开发方面有着丰富的经验,并已出版过多本相关畅销书,颇受广大读者认可。长期积累的开发实战经验,结合对编程入门爱好者需求与特点的深入调查研究,本书的内容结构十分有利于编程爱好者和相关学员快速提高水平。 目录 · · · · · ·第一篇Python编程基础第1章编程与Python.........................................................................................1 1.1什么是编程........................................................................................................1 1.1.1硬件与软件...........................................................................................................1 1.1.2编程语言...............................................................................................................2 1.1.3编程与调试...........................................................................................................3 · · · · · ·() 第一篇Python编程基础 第1章编程与Python.........................................................................................1 1.1什么是编程........................................................................................................1 1.1.1硬件与软件...........................................................................................................1 1.1.2编程语言...............................................................................................................2 1.1.3编程与调试...........................................................................................................3 1.2选择Python的理由...........................................................................................4 1.2.1Python是免费的自由软件...................................................................................4 1.2.2Python是跨平台的...............................................................................................4 1.2.3Python功能强大...................................................................................................4 1.2.4Python清晰优雅...................................................................................................5 1.3安装Python........................................................................................................5 1.3.1在Windows下安装Python..................................................................................6 1.3.2在Linux下安装Python........................................................................................7 1.4选择开发工具....................................................................................................9 1.4.1Python自带开发工具:IDLE..............................................................................9 1.4.2文本编辑器:Emacs.............................................................................................9 1.4.3Python开发工具:PythonWin...........................................................................12 1.5编辑和运行Python程序.................................................................................15 1.5.1你好,Python......................................................................................................15 1.5.2运行程序文件........................................................................................................................15 1.5.3交互式运行Python.............................................................................................16 1.6小结..................................................................................................................17 1.7本章习题..........................................................................................................17 第2章Python起步...........................................................................................19 2.1Python语法基础..............................................................................................19 2.1.1缩进分层.............................................................................................................19 2.1.2代码注释.............................................................................................................20 2.1.3断行.....................................................................................................................20 2.2Python输入/输出.............................................................................................21 2.2.1接收键盘/输入....................................................................................................21 2.2.2显示处理结果........................................................................................................................22 2.3用Python计算.................................................................................................22 2.3.1算式与代数式运算..............................................................................................23 2.3.2惊奇.....................................................................................................................24 2.4小结..................................................................................................................25 2.5本章习题..........................................................................................................25 第3章Python数据类型......................................................................................................27 3.1Python简单数据类型......................................................................................27 3.1.1字符串(str)........................................................................................................................27 3.1.2整数(int).........................................................................................................30 3.1.3浮点数(float)..................................................................................................31 3.1.4类型转换.............................................................................................................31 3.2字符串进阶.....................................................................................................................32 3.2.1原始字符串.........................................................................................................32 3.2.2格式化字符串..............................................................................................................33 3.2.3中文字符串处理..................................................................................................33 3.3标志符与赋值号..............................................................................................34 3.3.1标志符.................................................................................................................34 3.3.2“=”.................................................................................................................34 3.4Python结构数据类型......................................................................................35 3.4.1列表(list).........................................................................................................35 3.4.2元组(tuple)........................................................................................................................37 3.4.3字典(dict).......................................................................................................37 3.5内置常量与逻辑运算符、比较运算符..........................................................39 3.5.1常用内置常量.................................................................................................39 3.5.2Python中逻辑运算符.........................................................................................39 3.5.3Python中比较运算符.........................................................................................40 3.5.4Python中其他逻辑操作符.................................................................................40 3.6序列..................................................................................................................41 3.6.1序列切片.............................................................................................................41 3.6.2序列内置操作..............................................................................................42 3.7小结..................................................................................................................43 3.8本章习题..........................................................................................................43 第4章控制语句执行流程.................................................................................45 4.1用if选择执行语句..........................................................................................45 4.1.1if基础..................................................................................................................45 4.1.2if语句的嵌套......................................................................................................48 4.2用for循环执行语句.......................................................................................50 4.2.1for基础................................................................................................................50 4.2.2for语句与break语句、continue语句...............................................................50 4.2.3for语句与range()函数.......................................................................................52 4.2.4for语句与内置迭代函数....................................................................................53 4.3用while循环执行语句...................................................................................54 4.3.1while基础.............................................................................................................54 4.3.2增量赋值运算符..................................................................................................55 4.4推导或内涵(listcomprehension)................................................................56 4.4.1推导基础.............................................................................................................56 4.4.2推导进阶.............................................................................................................56 4.5小结..................................................................................................................57 4.6本章习题..........................................................................................................57 第5章自定义功能单元(一)..........................................................................59 5.1使用函数..........................................................................................................59 5.1.1声明函数.............................................................................................................59 5.1.2调用函数.............................................................................................................60 5.2深入函数..........................................................................................................61 5.2.1默认值参数.........................................................................................................61 5.2.2参数传递.............................................................................................................63 5.2.3可变数量参数传递..............................................................................................63 5.2.4拆解序列的函数调用..........................................................................................66 5.2.5函数调用时参数的传递方法..............................................................................66 5.3变量的作用域..................................................................................................68 5.4使用匿名函数(lambda)..............................................................................69 5.5Python常用内建函数......................................................................................70 5.6小结..................................................................................................................71 5.7本章习题..........................................................................................................71 第6章自定义功能单元(二)..........................................................................73 6.1面向对象编程概述..........................................................................................73 6.1.1万物皆对象.........................................................................................................73 6.1.2对象优越性.........................................................................................................74 6.1.3类和对象.............................................................................................................74 6.2定义和使用类..................................................................................................74 6.2.1定义类.................................................................................................................74 6.2.2使用类.................................................................................................................75 6.3类的属性和方法..............................................................................................76 6.3.1类的方法.............................................................................................................76 6.3.2类的属性.............................................................................................................78 6.3.3类成员方法与静态方法......................................................................................80 6.4类的继承..........................................................................................................81 6.4.1类的继承.............................................................................................................81 6.4.2多重继承.............................................................................................................82 6.4.3方法重载.............................................................................................................84 6.5小结..................................................................................................................84 6.6本章习题..........................................................................................................84 第7章错误、异常和程序调试..........................................................................86 7.1语法错误..........................................................................................................86 7.2异常的处理......................................................................................................87 7.2.1异常处理的基本语法..........................................................................................87 7.2.2Python主要的内置异常及其处理......................................................................89 7.3手工抛出异常..................................................................................................91 7.3.1用raise手工抛出异常........................................................................................91 7.3.2assert语句...........................................................................................................92 7.3.3自定义异常类.........................................................................................93 7.4用pdb调试程序..............................................................................................94 7.4.1调试语句块函数..................................................................................................94 7.4.2调试函数.............................................................................................................95 7.5测试程序..........................................................................................................96 7.5.1用testmod函数测试...........................................................................................96 7.5.2用testfile函数测试.............................................................................................97 7.6小结..................................................................................................................98 7.7本章习题..........................................................................................................98 第二篇Python编程高阶 第8章复杂程序组织......................................................................................100 8.1模块................................................................................................................100 8.1.1模块概述...........................................................................................................100 8.1.2自己编写模块................................................................................................101 8.1.3模块位置...........................................................................................................102 8.1.4__pycache__目录..............................................................................................103 8.1.5具有独立运行能力的模块................................................................................103 8.2包....................................................................................................................104 8.2.1包概述...............................................................................................................104 8.2.2包详解...............................................................................................................105 8.3Python常用标准库简介................................................................................106 8.3.1数学类模块.......................................................................................................106 8.3.2日期与时间类.....................................................................................107 8.4小结................................................................................................................107 8.5本章习题........................................................................................................107 第9章迭代器、生成器与装饰器....................................................................109 9.1迭代器............................................................................................................109 9.1.1迭代器概述.......................................................................................................109 9.1.2自定义迭代器...............................................................................110 9.1.3内置迭代器工具................................................................................................110 9.2生成器............................................................................................................113 9.2.1生成器创建.......................................................................................................113 9.2.2深入生成器.......................................................................................................114 9.2.3生成器与协程...............................................................................115 9.3装饰器............................................................................................................116 9.3.1装饰器概述.......................................................................................................116 9.3.2装饰函数...........................................................................................................116 9.3.3装饰类...............................................................................................................117 9.4小结................................................................................................................118 9.5本章习题........................................................................................................119 第10章Python进阶话题..................................................................................................120 10.1函数与命名空间..........................................................................................120 10.2闭包及其应用..............................................................................................121 10.2.1闭包概述.........................................................................................................121 10.2.2闭包与延迟求值..............................................................................................122 10.2.3闭包与泛型函数..............................................................................................122 10.3上下文管理器..............................................................................................123 10.4用字符串操作对象属性..............................................................................125 10.5用字典构造分支程序..................................................................................126 10.6重载类的特殊方法......................................................................................127 10.7鸭子类型(ducktyping)与多态...............................................................128 10.8小结..............................................................................................................129 10.9本章习题......................................................................................................129 第11章文件与文件系统.................................................................................131 11.1文件操作基础..............................................................................................131 11.1.1open()函数.......................................................................................................131 11.1.2用fileinput操作文件......................................................................................133 11.2常用文件和目录操作..................................................................................134 11.2.1获得当前路径..................................................................................................134 11.2.2获得目录中的内容..........................................................................................134 11.2.3创建目录..........................................................................................................135 11.2.4删除目录..........................................................................................................135 11.2.5判断是否是目录..............................................................................................135 11.2.6判断是否为文件..............................................................................................135 11.2.7遍历某目录下的所有文件和目录..................................................................136 11.2.8由文件名批量获取姓名和考号......................................................................136 11.2.9批量文件重命名..............................................................................................137 11.3编译为可执行文件......................................................................................138 11.3.1用py2exe生成可执行程序............................................................................138 11.3.2用cx_freeze生成可执行文件........................................................................139 11.4小结..............................................................................................................141 11.5本章习题......................................................................................................141 第12章基于tkinter的GUI编程....................................................................142 12.1GUI概述......................................................................................................142 12.1.1GUI是什么.....................................................................................................142 12.1.2Python编写GUI程序库................................................................................142 12.2tkinter图形化库简介...................................................................................143 12.2.1创建GUI程序第一步.....................................................................................143 12.2.2创建GUI程序第二步.....................................................................................144 12.3tkinter组件.....................................................................................................................145 12.3.1组件分类.........................................................................................................145 12.3.2布局组件.........................................................................................................145 12.4常用tkinter组件..........................................................................................146 12.4.1按钮.................................................................................................................146 12.4.2文本框.............................................................................................................148 12.4.3标签.................................................................................................................149 12.4.4菜单.................................................................................................................150 12.4.5单选框和复选框..............................................................................................152 12.4.6绘制图形.........................................................................................................154 12.5响应操作事件..............................................................................................156 12.5.1事件基础.........................................................................................................156 12.5.2响应事件.........................................................................................................158 12.6对话框..........................................................................................................160 12.6.1标准对话框.....................................................................................................160 12.6.2自定义对话框..................................................................................................166 12.7小结..............................................................................................................167 12.8本章习题......................................................................................................167 第13章正则表达式........................................................................................169 13.1正则表达式基础..........................................................................................169 13.1.1正则表达式概述..............................................................................................169 13.1.2正则表达式基本元字符..................................................................................169 13.1.3常用正则表达式..............................................................................................171 13.2re模块..........................................................................................................172 13.2.1正则匹配搜索函数..........................................................................................172 13.2.2sub()与subn()函数..........................................................................................173 13.2.3split()函数........................................................................................................174 13.2.4正则表达式对象..............................................................................................174 13.3分组匹配与匹配对象使用..........................................................................178 13.3.1分组基础.........................................................................................................178 13.3.2分组扩展.........................................................................................................178 13.3.3匹配对象与组的使用......................................................................................179 13.3.4匹配对象与索引使用......................................................................................180 13.4正则表达式应用示例..................................................................................181 13.5小结..............................................................................................................183 13.6本章习题......................................................................................................183 第14章网络编程............................................................................................184 14.1网络编程基础..............................................................................................184 14.1.1什么是网络.....................................................................................................184 14.1.2网络协议.........................................................................................................184 14.1.3地址与端口.....................................................................................................185 14.2套接字的使用..............................................................................................186 14.2.1用socket建立服务器端程序..........................................................................186 14.2.2用socket建立客户端程序..............................................................................187 14.2.3用socket建立基于UDP协议的服务器与客户端程序................................188 14.2.4用socketserver模块建立服务器....................................................................190 14.3urllib与http包使用....................................................................................191 14.3.1urllib和http包简介........................................................................................191 14.3.2用urllib和http包访问网站...........................................................................194 14.4用poplib与smtplib库收发邮件................................................................195 14.4.1用poplib检查邮件.........................................................................................195 14.4.2用smtplib发送邮件........................................................................................197 14.5用ftplib访问FTP服务...............................................................................199 14.5.1ftplib模块简介................................................................................................199 14.5.2使用Python访问FTP....................................................................................201 14.6小结..............................................................................................................203 14.7本章习题......................................................................................................203 第15章线程和进程........................................................................................204 15.1线程..............................................................................................................204 15.1.1用threading.Thread直接在线程中运行函数.................................................204 15.1.2通过继承threading.Thread类来创建线程.....................................................205 15.1.3线程类Thread使用........................................................................................205 15.2进程..............................................................................................................209 15.2.1进程基础.........................................................................................................209 15.2.2用Popen类创建进程......................................................................................210 15.3小结..............................................................................................................212 15.4本章习题......................................................................................................212 第16章数据库编程........................................................................................213 16.1Python数据库应用程序接口......................................................................213 16.1.1数据库应用程序接口概述..............................................................................213 16.1.2数据库游标的使用..........................................................................................214 16.2Python操作SQLite3数据库......................................................................214 16.2.1SQLite3数据库简介.......................................................................................214 16.2.2SQLite3数据库操作实例...............................................................................215 16.3Python操作MariaDB数据库.....................................................................217 16.3.1MariaDB数据库简介......................................................................................218 16.3.2建立MariaDB数据库操作环境.....................................................................218 16.3.3MariaDB数据库操作实例..............................................................................220 16.4Python操作MongoDB数据库...................................................................222 16.4.1MongoDB数据库简介....................................................................................222 16.4.2建立MongoDB数据库操作环境...................................................................222 16.4.3MongoDB数据库基础....................................................................................223 16.4.4MongoDB数据库操作实例............................................................................226 16.4.5用对象关系映射(ORM)工具操作MongoDB数据库..............................228 16.5小结..............................................................................................................231 16.6本章习题......................................................................................................231 第17章Web网站编程...................................................................................232 17.1Web网站编程概述......................................................................................232 17.2FlaskWeb框架及其应用............................................................................233 17.2.1FlaskWeb框架简介........................................................................................233 17.2.2FlaskWeb框架初识........................................................................................233 17.2.3URL装饰器与URL参数传递.......................................................................235 17.2.4GET与POST请求的参数传递.....................................................................237 17.2.5使用cookie与session跟踪客户....................................................................239 17.2.6使用静态文件资源与页面文件......................................................................241 17.2.7接收上传文件..................................................................................................243 17.2.8Flask框架中使用数据库................................................................................244 17.3TornadoWeb框架及其应用........................................................................247 17.3.1Tornado框架简介...........................................................................................247 17.3.2Tornado框架初识...........................................................................................247 17.3.3请求参数的获取..............................................................................................249 17.3.4用cookie与安全cookie跟踪客户.................................................................251 17.3.5URL转向与静态文件资源.............................................................................252 17.3.6TornadoWeb框架应用举例...........................................................................254 17.4小结..............................................................................................................259 17.5本章习题......................................................................................................259 第18章数据结构基础....................................................................................261 18.1表、栈和队列..............................................................................................261 18.1.1用列表来创建表..............................................................................................261 18.1.2自定义栈数据结构..........................................................................................262 18.1.3实现队列功能..................................................................................................264 18.2树和图..........................................................................................................265 18.2.1用列表构建树..................................................................................................265 18.2.2实现二叉树类与遍历二叉树..........................................................................266 18.2.3用字典构建与搜索图......................................................................................269 18.3查找与排序..................................................................................................271 18.3.1实现二分查找..................................................................................................271 18.3.2用二叉树排序..................................................................................................273 18.4小结..............................................................................................................275 18.5本章习题......................................................................................................275 第19章用Pillow库处理图片.........................................................................276 19.1第三方Pillow库概述..................................................................................276 19.1.1安装第三方Pillow库.....................................................................................276 19.1.2Pillow库简介..................................................................................................276 19.1.3Pillow库处理图像基础..................................................................................277 19.1.4Image模块中函数的使用...............................................................................278 19.1.5Image模块中Image类的使用.......................................................................281 19.1.6使用ImageChops模块进行图片合成............................................................286 19.1.7使用ImageEnhance模块增强图像效果........................................................289 19.1.8使用ImageFilter模块的滤镜.........................................................................290 19.1.9使用ImageDraw模块画图.............................................................................291 19.2使用Pillow库处理图片举例......................................................................292 19.2.1图片格式转换..................................................................................................292 19.2.2批量生成缩略图..............................................................................................294 19.2.3为图片添加Logo............................................................................................297 19.3小结..............................................................................................................301 19.4本章习题......................................................................................................302 第三篇Python编程实战 第20章案例1做一个Windows上的360工具...........................................303 20.1案例背景......................................................................................................303 20.2从创建图形化界面开始..............................................................................304 20.2.1创建基本图形化工作界面..............................................................................304 20.2.2响应菜单事件..................................................................................................306 20.3清理垃圾文件..............................................................................................308 20.3.1迭代目录.........................................................................................................308 20.3.2扫描垃圾文件..................................................................................................309 20.3.3多线程加速.....................................................................................................311 20.3.4扫描所有磁盘..................................................................................................312 20.3.5删除垃圾文件..................................................................................................314 20.4搜索文件......................................................................................................316 20.4.1搜索超大文件..................................................................................................316 20.4.2按名称搜索文件..............................................................................................317 20.5小结..............................................................................................................318 第21章案例2Python搞定大数据..............................................................320 21.1案例背景......................................................................................................320 21.1.1大数据处理方式概述......................................................................................320 21.1.2处理日志文件..................................................................................................321 21.1.3要实现的案例目标..........................................................................................322 21.2分割日志文件..............................................................................................322 21.3用Map函数处理小文件.............................................................................324 21.4用Reduce函数归集数据............................................................................326 21.5小结..............................................................................................................327 · · · · · · () |
可能我道行比较浅,一时半会还真的无法消化
品质不错值得拜看
听说很久,却一直没有看的一本书
原来都是有因果关系的。