I
目 录
目 录.....................................................................................................................I
摘要 ........................................................................................................................3
Abstract ..................................................................................................................4
第 1 章 绪论 ..........................................................................................................5
1.1 研究背景 .................................................................................................5
1.2 研究现状 .................................................................................................5
1.3 研究内容 ..................................................................................................6
第 2 章 相关技术 ..................................................................................................7
2.1 Python 语言 ...........................................................................................7
2.2 django 框架 ...........................................................................................7
2.3 常见验证码安全认证 ............................................................................7
2.4 信息安全相关理论 ..................................................................................8
第 3 章 系统分析 ..................................................................................................9
3.1 系统可行性分析 .....................................................................................9
3.1.1 技术可行性 ..................................................................................9
3.1.2 经济的可行性 ...............................................................................9
3.1.3 操作可行性 .................................................................................10
3.2 系统功能需求分析 ...............................................................................10
第 4 章 系统设计 ................................................................................................12
4.1 验证码的形式 .......................................................................................12
4.2 验证码的安全性设置 ...........................................................................12
第 5 章 系统实现 ..............................................................................................13
5.1 文字验证码登录界面 ...........................................................................13
5. 2 输入错误的验证码界面 .......................................................................13
5.3 图像验证码登录界面 ............................................................................14
5.4 图像验证码拖动错误界面 ....................................................................14
5.5 后台管理系统界面 ................................................................................15
5.6 校验列表界面 ........................................................................................16
第 6 章 系统测试 ................................................................................................17
6.1 测试的目的 ............................................................................................17
6.2 测试的内容 ............................................................................................17
6.3 测试的结果 ............................................................................................17
第 7 章 结论 ......................................................................................................19
