实例介绍
【实例简介】
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 | Table of ContentsPreface 1Chapter 1: Choosing Your Tools 7Identifying the components of a web application 7Time for action – getting an overview of a web application 8Choosing suitable tools 10Time for action – choosing a delivery framework, also known as web server 11Time for action – choosing a server-side scripting language 12Time for action – choosing a database engine 14Time for action – deciding on object relational mappers 15Time for action – choosing a presentation framework 17Designing for maintainability and usability 18Testing 18Time for action – choosing a test framework 19Version management 19Usability 20Good looking – adhering to common GUI paradigms 20Themable 21Cross-browser compatible 21Cross-platform compatible 22Maintainability 22Standards compliant 22Security 23Reliable 23Robust 23Access control and authentication 24Confidentiality 24Integrity 25A final word on security 25Help, I am confused! 25Time for action – maintaining overview 26Summary 28Table of Contents[ ii ]Chapter 2: Creating a Simple Spreadsheet 29Python 3 30Time for action – installing Python 3 CherryPy 30Time for action – installing CherryPy 31Installing jQuery and jQuery UI 31Serving an application 32Time for action – serving a dummy application 33Time for action – serving HTML as dynamic content 34Who serves what: an overview 36HTML: separating form and content 37Time for action – a unit convertor 38HTML: form-based interaction 39JavaScript: using jQuery UI widgets 40Time for action – conversion using unitconverter.js 40jQuery selectors 42CSS: applying a jQuery UI theme to other elements 43Time for action – converting a unit convertor into a plugin 45JavaScript: creating a jQuery UI plugin 46Designing a spreadsheet application 51Time for action – serving a spreadsheet application 51HTML: keeping it simple 52JavaScript: creating a spreadsheet plugin 52The missing parts 58Summary 58Chapter 3: Tasklist I: Persistence 59Designing a tasklist application 59Time for action – creating a logon screen 62Serving a logon screen 69Setting up a session 70Expiring a session 71Designing a task list 72Time for action – running tasklist.py 72Python: the task module 75Time for action – implementing the task module 76Adding new tasks 80Deleting a task 81JavaScript: tasklist.js 83Time for action – styling the buttons 83JavaScript: tooltip.js 85Time for action – implementing inline labels 86Table of Contents[ iii ]CSS: tasklist.css 87Summary 90Chapter 4: Tasklist II: Databases and AJAX 91The advantages of a database compared to a filesystem 92Choosing a database engine 92Database-driven authentication 93Time for action – authentication using a database 94Tasklist II – storing tasks in a database 99Improving interactivity with AJAX 99Time for action – getting the time with AJAX 100Redesigning the Tasklist application 102Database design 103Time for action – creating the task database 103Time for action – retrieving information with select statements 105TaskDB – interfacing with the database 106Time for action – connecting to the database 106Time for action – storing and retrieving information 107Time for action – updating and deleting information 109Testing 111Time for action – testing factorial.py 112Now what have we gained? 113Time for action – writing unit tests for tasklistdb.py 114Designing for AJAX 116Click handlers 120The application 121Time for action – putting it all together 123Have a go hero – refreshing the itemlist on a regular basis 125Summary 126Chapter 5: Entities and Relations 127Designing a book database 127The Entity class 128Time for action – using the Entity class 129Time for action – creating instances 132The Relation class 138Time for action – using the Relation class 138Relation instances 141Time for action – defining the Books database 144The delivery layer 150Time for action – designing the delivery layer 151Time for action – adding a new book 162Table of Contents[ iv ]Auto completion 165Time for action – using input fields with auto completion 166The presentation layer 168Time for action – using an enhanced presentation layer 168Summary 170Chapter 6: Building a Wiki 171The data layer 172Time for action – designing the wiki data model 172The delivery layer 175Time for action – implementing the opening screen 176The structural components 177The application methods 179Time for action – implementing a wiki topic screen 180Time for action – editing wiki topics 182Additional functionality 185Time for action – selecting an image 185Time for action – implementing a tag cloud 190Time for action – searching for words 192The importance of input validation 195Time for action – scrubbing your content 196Time for action – rendering content 200Summary 201Chapter 7: Refactoring Code for Reuse 203Time for action – taking a critical look 203Refactoring 205Time for action – defining new entities: how it should look 205Metaclasses 206Time for action – using metaclasses 207MetaEntity and AbstractEntity classes 208Time for action – implementing the MetaEntity and AbstractEntity classes 209Relations 217Time for action – defining new relations: how it should look 217Implementing the MetaRelation and AbstractRelation classes 219Adding new methods to existing classes 222Browsing lists of entities 224Time for action – using a table-based Entity browser 224Time for action – examining the HTML markup 229Caching 232The books application revisited 236Time for action – creating a books application, take two 236Summary 242Table of Contents[ v ]Chapter 8: Managing Customer Relations 243A critical review 243Designing a Customer Relationship Management application 244Time for action – implementing a basic CRM 244Adding and editing values 248Time for action – adding an instance 249Time for action – editing an instance 251Adding relations 257Picklists 259Time for action – implementing picklists 259Summary 262Chapter 9: Creating Full-Fledged Webapps: Implementing Instances 263Even more relations 263Time for action – showing one-to-many relationships 264Time for action – adapting MetaRelation 266Time for action – enhancing Display 270Time for action – enhancing Browse 271Access control 274Time for action – implementing access control 275Role-based access control 278Time for action – implementing role-based access control 279Summary 283Chapter 10: Customizing the CRM Application 285Time for action – sorting 285Time for action – filtering 290Customization 292Time for action – customizing entity displays 292Time for action – customizing entity lists 298Time for action – adding a delete button 301Summary 302Appendix A: References to Resources 303Good old offline reference books 303Additional websites, wikis, and blogs 304Appendix B: Pop Quiz Answers 307Chapter 2, Creating a Simple Spreadsheet 307Chapter 3, Tasklist I: Persistence 308Chapter 4, Tasklist II: Databases and AJAX 309Chapter 5, Entities and Relations 310Chapter 6, Building a Wiki 310Index 311 |
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