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Python網絡爬蟲 版權信息
- ISBN：9787121438103
- 條形碼：9787121438103 ; 978-7-121-43810-3
- 裝幀：平塑
- 冊數：暫無
- 重量：暫無
- 所屬分類：>
Python網絡爬蟲 內容簡介
本書介紹如何結合Python進行網絡爬蟲程序的開發，從Python語言的基本特性入手，詳細介紹了Python網絡爬蟲開發的各個方面，涉及HTTP、HTML、JavaScript、正則表達式、自然語言處理、數據科學等不同領域的內容。全書共10章，包括Python基礎知識、網站分析、網頁解析、Python文件讀寫、Python與數據庫、AJAX技術、模擬登錄、文本與數據分析、網站測試、Scrapy爬蟲框架、爬蟲性能等多個主題。本書可作為高等職業院校計算機類專業的專業課教材，也可供計算機相關從業人員選用參考。
Python網絡爬蟲 目錄
目錄
項目一 Python 基礎認知 ····················································································.1
任務一 Python 概述 ·······································································································.1
一、Python 簡介 ······································································································.1
二、安裝Python ······································································································.2
三、安裝PyCharm ···································································································.6
四、Python 語法規范 ·······························································································.11
任務二 Python 命令的組成 ·····························································································.13
一、基本符號 ·········································································································.14
二、常量與變量 ······································································································.16
三、數據類型 ·········································································································.19
四、功能符號 ·········································································································.24
任務三 程序結構 ·········································································································.26
一、表達式語句 ······································································································.26
二、順序結構 ·········································································································.27
三、選擇結構 ·········································································································.28
四、循環結構 ·········································································································.30
五、條件表達式 ······································································································.31
六、程序的流程控制 ································································································.32
項目實戰 ·····················································································································.33
實戰 輸出百度網址 ································································································.33
項目二 網絡爬蟲基礎認知 ················································································.35
任務一 網絡爬蟲概述 ···································································································.35
一、網絡爬蟲的基本原理 ··························································································.36
二、網絡爬蟲系統框架 ·····························································································.37
三、爬行策略 ·········································································································.37
四、網絡爬蟲的分類 ································································································.38
五、開源網絡爬蟲框架/項目 ······················································································.39
任務二 HTTP ·············································································································.41
一、HTTP 的工作原理 ·····························································································.41
二、Urllib 模塊庫 ···································································································.42
三、URL 定義 ·······································································································.43
四、URL 編碼設置 ·································································································.47
任務三 網頁請求過程 ···································································································.50
一、發送請求報文 ··································································································.51
二、返回響應 ········································································································.52
三、HTTP 消息 ··········································································
項目一 Python 基礎認知 ····················································································.1
任務一 Python 概述 ·······································································································.1
一、Python 簡介 ······································································································.1
二、安裝Python ······································································································.2
三、安裝PyCharm ···································································································.6
四、Python 語法規范 ·······························································································.11
任務二 Python 命令的組成 ·····························································································.13
一、基本符號 ·········································································································.14
二、常量與變量 ······································································································.16
三、數據類型 ·········································································································.19
四、功能符號 ·········································································································.24
任務三 程序結構 ·········································································································.26
一、表達式語句 ······································································································.26
二、順序結構 ·········································································································.27
三、選擇結構 ·········································································································.28
四、循環結構 ·········································································································.30
五、條件表達式 ······································································································.31
六、程序的流程控制 ································································································.32
項目實戰 ·····················································································································.33
實戰 輸出百度網址 ································································································.33
項目二 網絡爬蟲基礎認知 ················································································.35
任務一 網絡爬蟲概述 ···································································································.35
一、網絡爬蟲的基本原理 ··························································································.36
二、網絡爬蟲系統框架 ·····························································································.37
三、爬行策略 ·········································································································.37
四、網絡爬蟲的分類 ································································································.38
五、開源網絡爬蟲框架/項目 ······················································································.39
任務二 HTTP ·············································································································.41
一、HTTP 的工作原理 ·····························································································.41
二、Urllib 模塊庫 ···································································································.42
三、URL 定義 ·······································································································.43
四、URL 編碼設置 ·································································································.47
任務三 網頁請求過程 ···································································································.50
一、發送請求報文 ··································································································.51
二、返回響應 ········································································································.52
三、HTTP 消息 ··········································································
展開全部
Python網絡爬蟲 作者簡介
耿興隆，Autodesk中國認證考試中心首席專家，全面負責Autodesk中國官方認證考試大綱制定、題庫建設、技術咨詢和師資力量培訓工作。其創作的很多教材成為國內具有引導性的旗幟作品，在國內相關專業方向圖書創作領域具有舉足輕重的地位。
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