*****来人啊！！！！救命啊*

Louis-Lv 2011-08-05 04:57:56

应用程序被配置为发出安全 Cookie。这些 Cookie 要求浏览器通过 SSL (https 协议)发出请求。但是，当前的请求没有通过 SSL 发送。

出错代码：

protected void Login1_Authenticate(object sender, AuthenticateEventArgs e)

    {

        

        if (Membership.GetUser(Login1.UserName) == null)

        {

            Login1.FailureText = "该用户不存在，请重新填写！";

        }



        if (Membership.ValidateUser(this.Login1.UserName.ToString(), this.Login1.Password.ToString()))

        {

出错代码               System.Web.Security.FormsAuthentication.RedirectFromLoginPage(Login1.UserName,false);

        }

        

    }

...全文

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Louis-Lv 2011-08-08

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[Quote=引用 6 楼 dongxinxi 的回复:]
如果使用HTTPS协议是不是必需的，改一下配置文件
<forms requireSSL="false" >
否则请求loginUrl时需要使用HTTPS协议
https//....
[/Quote]
ok了。。感谢啊。。！！！

子夜__ 2011-08-05

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System.Web.Security.FormsAuthentication.SetAuthCookie(this.Login1.UserName.ToString(),false);
Response.Redirect("Default.aspx");

IE11下面经常卡到爆 2011-08-05

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掉了双点

IE11下面经常卡到爆 2011-08-05

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如果使用HTTPS协议是不是必需的，改一下配置文件
<forms requireSSL="false" >
否则请求loginUrl时需要使用HTTPS协议
https//....

zwj000 2011-08-05

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路过帮顶LZ！！！

一片冰心在玉壶 2011-08-05

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[Quote=引用楼主 xuedeyingzi 的回复:]
应用程序被配置为发出安全 Cookie。这些 Cookie 要求浏览器通过 SSL (https 协议)发出请求。但是，当前的请求没有通过 SSL 发送。

出错代码：
C# code
protected void Login1_Authenticate(object sender, AuthenticateEventArgs e)
{

if……
[/Quote]

验证出了问题。。。

sfxdawn 2011-08-05

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新人看不出来。。新人膜拜学习。。期待下面高手出现。。

一片冰心在玉壶 2011-08-05

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新人看不出来。。新人膜拜学习

Louis-Lv 2011-08-05

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sf不留，，，自己顶一下！！！

在前一个版本的设备在线管理系统上，修正了页数显示不正确，首页java树状分类导航连接错误、分页面导航栏导航错误等严重bug，优化了调用较多的class3.asp页面，添加了“系统初始化”功能。相信能使您的使用更加愉快。**********************************************************************设备参数说明在线管理系统前台介绍：具备友好的前台操作界面，实现方便轻松的网上工作环境：分类浏览设备，具有三级树状分类，java动态显示，多种导航方式，范围更加精确使用搜索工具精确查找设备，可按设备名称、设备分类、设备简介等单条件或组合条件，结合关键字模糊搜索关键字自动动态更新显示设备照片，更加形象可打印设备的详细信息提供用户注册，注册后的用户可以将选定的设备加入自己的收藏，便于再次查询具有多个设备的分类展示区查阅设备详细信息，可以对设备发表评论，从而获知设备的使用情况反馈投票模块便于调查和信息反馈完善的留言系统，便于各种意见的反映java时钟**********************************************************************设备参数说明在线管理系统后台介绍：可进行全系统整体颜色修改，背景图片的修改添加、删除、修改，移动设备的三个级别的分类在线添加、（批量）删除、修改设备，集成了eWebEditor使得设备的添加、删除、修改更加便利且功能强大集成设备属性管理；可以查看、删除、修改用户资料可以发布系统消息给每名用户管理员分三个不同的权限等级，使系统管理更加灵活安全统计所有分类中设备数,并在前台显示添加修改首页新闻，首页公告可以编辑删除设备评论以及用户留言首页显示图片均可由后台管理可完成关键词添加、说明添加，LOGO大小图片添加管理系统文字友情链接和图片友情链接在线设定多种辅助信息，如使用帮助等系统初始化可方便删除系统数据库中所有数据探测远程服务器，空间查看，便于远程了解服务器的工作状况。。。。。。还有很多其他功能，希望使用愉快！**********************************************************************后台登陆：/admin/index.asp超级管理员 admin 密码 admin

The C programming Language 第二版英文版內容列表 Table of Contents Preface.......................................................... Preface to the first edition..................................... Introduction..................................................... Chapter 1 - A Tutorial Introduction.............................. 1.1 Getting Started................................ 1.2 Variables and Arithmetic Expressions........... 1.3 The for statement.............................. 1.4 Symbolic Constants............................. 1.5 Character Input and Output..................... 1.5.1 File Copying.......................... 1.5.2 Character Counting.................... 1.5.3 Line Counting......................... 1.5.4 Word Counting......................... 1.6 Arrays......................................... 1.7 Functions...................................... 1.8 Arguments - Call by Value...................... 1.9 Character Arrays............................... 1.10 External Variables and Scope.................. Chapter 2 - Types, Operators and Expressions..................... 2.1 Variable Names................................. 2.2 Data Types and Sizes........................... 2.3 Constants...................................... 2.4 Declarations................................... 2.5 Arithmetic Operators........................... 2.6 Relational and Logical Operators............... 2.7 Type Conversions............................... 2.8 Increment and Decrement Operators.............. 2.9 Bitwise Operators.............................. 2.10 Assignment Operators and Expressions.......... 2.11 Conditional Expressions....................... 2.12 Precedence and Order of Evaluation............ Chapter 3 - Control Flow......................................... 3.1 Statements and Blocks.......................... 3.2 If-Else........................................ 3.3 Else-If........................................ 3.4 Switch......................................... 3.5 Loops - While and For.......................... 3.6 Loops - Do-While............................... 3.7 Break and Continue............................. 3.8 Goto and labels................................ Chapter 4 - Functions and Program Structure...................... 4.1 Basics of Functions............................ 4.2 Functions Returning Non-integers............... 4.3 External Variables............................. 4.4 Scope Rules.................................... 4.5 Header Files................................... 4.6 Static Variables................................ 4.7 Register Variables.............................. 4.8 Block Structure................................. 4.9 Initialization.................................. 4.10 Recursion...................................... 4.11 The C Preprocessor............................. 4.11.1 File Inclusion........................ 4.11.2 Macro Substitution.................... 4.11.3 Conditional Inclusion................. Chapter 5 - Pointers and Arrays.................................. 5.1 Pointers and Addresses......................... 5.2 Pointers and Function Arguments................ 5.3 Pointers and Arrays............................ 5.4 Address Arithmetic............................. 5.5 Character Pointers and Functions............... 5.6 Pointer Arrays; Pointers to Pointers........... 5.7 Multi-dimensional Arrays....................... 5.8 Initialization of Pointer Arrays............... 5.9 Pointers vs. Multi-dimensional Arrays.......... 5.10 Command-line Arguments........................ 5.11 Pointers to Functions......................... 5.12 Complicated Declarations...................... Chapter 6 - Structures........................................... 6.1 Basics of Structures........................... 6.2 Structures and Functions....................... 6.3 Arrays of Structures........................... 6.4 Pointers to Structures......................... 6.5 Self-referential Structures.................... 6.6 Table Lookup................................... 6.7 Typedef........................................ 6.8 Unions......................................... 6.9 Bit-fields..................................... Chapter 7 - Input and Output..................................... 7.1 Standard Input and Output....................... 7.2 Formatted Output - printf....................... 7.3 Variable-length Argument Lists.................. 7.4 Formatted Input - Scanf......................... 7.5 File Access..................................... 7.6 Error Handling - Stderr and Exit................ 7.7 Line Input and Output........................... 7.8 Miscellaneous Functions......................... 7.8.1 String Operations...................... 7.8.2 Character Class Testing and Conversion. 7.8.3 Ungetc................................. 7.8.4 Command Execution...................... 7.8.5 Storage Management..................... 7.8.6 Mathematical Functions................. 7.8.7 Random Number generation............... Chapter 8 - The UNIX System Interface............................ 8.1 File Descriptors............................... 8.2 Low Level I/O - Read and Write................. 8.3 Open, Creat, Close, Unlink..................... 8.4 Random Access - Lseek.......................... 8.5 Example - An implementation of Fopen and Getc.. 8.6 Example - Listing Directories.................. 8.7 Example - A Storage Allocator.................. Appendix A - Reference Manual.................................... A.1 Introduction................................... A.2 Lexical Conventions............................ A.2.1 Tokens................................ A.2.2 Comments.............................. A.2.3 Identifiers........................... A.2.4 Keywords.............................. A.2.5 Constants............................. A.2.6 String Literals....................... A.3 Syntax Notation................................ A.4 Meaning of Identifiers......................... A.4.1 Storage Class......................... A.4.2 Basic Types........................... A.4.3 Derived types......................... A.4.4 Type Qualifiers....................... A.5 Objects and Lvalues............................ A.6 Conversions.................................... A.6.1 Integral Promotion.................... A.6.2 Integral Conversions.................. A.6.3 Integer and Floating.................. A.6.4 Floating Types........................ A.6.5 Arithmetic Conversions................ A.6.6 Pointers and Integers................. A.6.7 Void.................................. A.6.8 Pointers to Void...................... A.7 Expressions.................................... A.7.1 Pointer Conversion.................... A.7.2 Primary Expressions................... A.7.3 Postfix Expressions................... A.7.4 Unary Operators....................... A.7.5 Casts................................. A.7.6 Multiplicative Operators.............. A.7.7 Additive Operators.................... A.7.8 Shift Operators....................... A.7.9 Relational Operators.................. A.7.10 Equality Operators................... A.7.11 Bitwise AND Operator................. A.7.12 Bitwise Exclusive OR Operator........ A.7.13 Bitwise Inclusive OR Operator........ A.7.14 Logical AND Operator................. A.7.15 Logical OR Operator.................. A.7.16 Conditional Operator................. A.7.17 Assignment Expressions............... A.7.18 Comma Operator.......................... A.7.19 Constant Expressions.................... A.8 Declarations..................................... A.8.1 Storage Class Specifiers................. A.8.2 Type Specifiers.......................... A.8.3 Structure and Union Declarations......... A.8.4 Enumerations............................. A.8.5 Declarators.............................. A.8.6 Meaning of Declarators................... A.8.7 Initialization........................... A.8.8 Type names............................... A.8.9 Typedef.................................. A.8.10 Type Equivalence........................ A.9 Statements....................................... A.9.1 Labeled Statements....................... A.9.2 Expression Statement..................... A.9.3 Compound Statement....................... A.9.4 Selection Statements..................... A.9.5 Iteration Statements..................... A.9.6 Jump statements.......................... A.10 External Declarations........................... A.10.1 Function Definitions.................... A.10.2 External Declarations................... A.11 Scope and Linkage............................... A.11.1 Lexical Scope........................... A.11.2 Linkage................................. A.12 Preprocessing................................... A.12.1 Trigraph Sequences...................... A.12.2 Line Splicing........................... A.12.3 Macro Definition and Expansion.......... A.12.4 File Inclusion.......................... A.12.5 Conditional Compilation................. A.12.6 Line Control............................ A.12.7 Error Generation........................ A.12.8 Pragmas................................. A.12.9 Null directive.......................... A.12.10 Predefined names....................... A.13 Grammar......................................... Appendix B - Standard Library.................................... B.1.1 File Operations................................ B.1.2 Formatted Output......................... B.1.3 Formatted Input.......................... B.1.4 Character Input and Output Functions..... B.1.5 Direct Input and Output Functions........ B.1.6 File Positioning Functions............... B.1.7 Error Functions.......................... B.2 Character Class Tests: ................. B.3 String Functions: ..................... B.4 Mathematical Functions: ................. B.5 Utility Functions: ....................

中文名: 算法导论原名: Introduction to Algorithms 作者: Thomas H.Cormen, 达特茅斯学院计算机科学系副教授 Charles E.Leiserson, 麻省理工学院计算机科学与电气工程系教授 Ronald L.Rivest, 麻省理工学院计算机科学系Andrew与Erna Viterbi具名教授 Clifford Stein, 哥伦比亚大学工业工程与运筹学副教授资源格式: PDF（完整书签目录）出版社: The MIT Press ISBN 978-0-262-03384-8 (hardcover : alk. paper)—ISBN 978-0-262-53305-8 (pbk. : alk. paper) 发行时间: 2009年09月30日地区: 美国语言: 英文 1 The Role of Algorithms in Computing 5 1.1 Algorithms 5 1.2 Algorithms as a technology 11 2 Getting Started 16 2.1 Insertion sort 16 2.2 Analyzing algorithms 23 2.3 Designing algorithms 29 3 Growth of Functions 43 3.1 Asymptotic notation 43 3.2 Standard notations and common functions 53 4 Divide-and-Conquer 65 4.1 The maximum-subarray problem 68 4.2 Strassen's algorithm for matrix multiplication 75 4.3 The substitution method for solving recurrences 83 4.4 The recursion-tree method for solving recurrences 88 4.5 The master method for solving recurrences 93 4.6 Proof of the master theorem 97 5 Probabilistic Analysis and Randomized Algorithms 114 5.1 The hiring problem 114 5.2 Indicator random variables 118 5.3 Randomized algorithms 122 5.4 Probabilistic analysis and further uses of indicator random variables 130 II Sorting and Order Statistics Introduction 147 6 Heapsort 151 6.1 Heaps 151 6.2 Maintaining the heap property 154 6.3 Building a heap 156 6.4 The heapsort algorithm 159 6.5 Priority queues 162 7 Quicksort 170 7.1 Description of quicksort 170 7.2 Performance of quicksort 174 7.3 A randomized version of quicksort 179 7.4 Analysis of quicksort 180 8 Sorting in Linear Time 191 8.1 Lower bounds for sorting 191 8.2 Counting sort 194 8.3 Radix sort 197 8.4 Bucket sort 200 9 Medians and Order Statistics 213 9.1 Minimum and maximum 214 9.2 Selection in expected linear time 215 9.3 Selection in worst-case linear time 220 III Data Structures Introduction 229 10 Elementary Data Structures 232 10.1 Stacks and queues 232 10.2 Linked lists 236 10.3 Implementing pointers and objects 241 10.4 Representing rooted trees 246 11 Hash Tables 253 11.1 Direct-address tables 254 11.2 Hash tables 256 11.3 Hash functions 262 11.4 Open addressing 269 11.5 Perfect hashing 277 12 Binary Search Trees 286 12.1 What is a binary search tree? 286 12.2 Querying a binary search tree 289 12.3 Insertion and deletion 294 12.4 Randomly built binary search trees 299 13 Red-Black Trees 308 13.1 Properties of red-black trees 308 13.2 Rotations 312 13.3 Insertion 315 13.4 Deletion 323 14 Augmenting Data Structures 339 14.1 Dynamic order statistics 339 14.2 How to augment a data structure 345 14.3 Interval trees 348 IV Advanced Design and Analysis Techniques Introduction 357 15 Dynamic Programming 359 15.1 Rod cutting 360 15.2 Matrix-chain multiplication 370 15.3 Elements of dynamic programming 378 15.4 Longest common subsequence 390 15.5 Optimal binary search trees 397 16 Greedy Algorithms 414 16.1 An activity-selection problem 415 16.2 Elements of the greedy strategy 423 16.3 Huffman codes 428 16.4 Matroids and greedy methods 437 16.5 A task-scheduling problem as a matroid 443 17 Amortized Analysis 451 17.1 Aggregate analysis 452 17.2 The accounting method 456 17.3 The potential method 459 17.4 Dynamic tables 463 V Advanced Data Structures Introduction 481 18 B-Trees 484 18.1 Definition of B-trees 488 18.2 Basic operations on B-trees 491 18.3 Deleting a key from a B-tree 499 19 Fibonacci Heaps 505 19.1 Structure of Fibonacci heaps 507 19.2 Mergeable-heap operations 510 19.3 Decreasing a key and deleting a node 518 19.4 Bounding the maximum degree 523 20 van Emde Boas Trees 531 20.1 Preliminary approaches 532 20.2 A recursive structure 536 20.3 The van Emde Boas tree 545 21 Data Structures for Disjoint Sets 561 21.1 Disjoint-set operations 561 21.2 Linked-list representation of disjoint sets 564 21.3 Disjoint-set forests 568 21.4 Analysis of union by rank with path compression 573 VI Graph Algorithms Introduction 587 22 Elementary Graph Algorithms 589 22.1 Representations of graphs 589 22.2 Breadth-first search 594 22.3 Depth-first search 603 22.4 Topological sort 612 22.5 Strongly connected components 615 23 Minimum Spanning Trees 624 23.1 Growing a minimum spanning tree 625 23.2 The algorithms of Kruskal and Prim 631 24 Single-Source Shortest Paths 643 24.1 The Bellman-Ford algorithm 651 24.2 Single-source shortest paths in directed acyclic graphs 655 24.3 Dijkstra's algorithm 658 24.4 Difference constraints and shortest paths 664 24.5 Proofs of shortest-paths properties 671 25 All-Pairs Shortest Paths 684 25.1 Shortest paths and matrix multiplication 686 25.2 The Floyd-Warshall algorithm 693 25.3 Johnson's algorithm for sparse graphs 700 26 Maximum Flow 708 26.1 Flow networks 709 26.2 The Ford-Fulkerson method 714 26.3 Maximum bipartite matching 732 26.4 Push-relabel algorithms 736 26.5 The relabel-to-front algorithm 748 VII Selected Topics Introduction 769 27 Multithreaded Algorithms Sample Chapter - Download PDF (317 KB) 772 27.1 The basics of dynamic multithreading 774 27.2 Multithreaded matrix multiplication 792 27.3 Multithreaded merge sort 797 28 Matrix Operations 813 28.1 Solving systems of linear equations 813 28.2 Inverting matrices 827 28.3 Symmetric positive-definite matrices and least-squares approximation 832 29 Linear Programming 843 29.1 Standard and slack forms 850 29.2 Formulating problems as linear programs 859 29.3 The simplex algorithm 864 29.4 Duality 879 29.5 The initial basic feasible solution 886 30 Polynomials and the FFT 898 30.1 Representing polynomials 900 30.2 The DFT and FFT 906 30.3 Efficient FFT implementations 915 31 Number-Theoretic Algorithms 926 31.1 Elementary number-theoretic notions 927 31.2 Greatest common divisor 933 31.3 Modular arithmetic 939 31.4 Solving modular linear equations 946 31.5 The Chinese remainder theorem 950 31.6 Powers of an element 954 31.7 The RSA public-key cryptosystem 958 31.8 Primality testing 965 31.9 Integer factorization 975 32 String Matching 985 32.1 The naive string-matching algorithm 988 32.2 The Rabin-Karp algorithm 990 32.3 String matching with finite automata 995 32.4 The Knuth-Morris-Pratt algorithm 1002 33 Computational Geometry 1014 33.1 Line-segment properties 1015 33.2 Determining whether any pair of segments intersects 1021 33.3 Finding the convex hull 1029 33.4 Finding the closest pair of points 1039 34 NP-Completeness 1048 34.1 Polynomial time 1053 34.2 Polynomial-time verification 1061 34.3 NP-completeness and reducibility 1067 34.4 NP-completeness proofs 1078 34.5 NP-complete problems 1086 35 Approximation Algorithms 1106 35.1 The vertex-cover problem 1108 35.2 The traveling-salesman problem 1111 35.3 The set-covering problem 1117 35.4 Randomization and linear programming 1123 35.5 The subset-sum problem 1128 VIII Appendix: Mathematical Background Introduction 1143 A Summations 1145 A.1 Summation formulas and properties 1145 A.2 Bounding summations 1149 B Sets, Etc. 1158 B.1 Sets 1158 B.2 Relations 1163 B.3 Functions 1166 B.4 Graphs 1168 B.5 Trees 1173 C Counting and Probability 1183 C.1 Counting 1183 C.2 Probability 1189 C.3 Discrete random variables 1196 C.4 The geometric and binomial distributions 1201 C.5 The tails of the binomial distribution 1208 D Matrices 1217 D.1 Matrices and matrix operations 1217 D.2 Basic matrix properties 122

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C#设计模式（1）一、 C# 面向对象程序设计复习二、设计模式举例三、先有鸡还是先有蛋？四、大瓶子套小瓶子还是小瓶子套大瓶子？五、 .net本质 C#设计模式（2）一、 "开放－封闭"原则(OCP) 二、里氏代换原则（LSP） C#设计模式（3）三、依赖倒置原则(DIP) 四、接口隔离原则（ISP）五、合成/聚合复用原则（CARP）六、迪米特法则（LoD） C#设计模式（4）－Simple Factory Pattern 一、简单工厂（Simple Factory）模式二、 Simple Factory模式角色与结构：三、程序举例：四、 Simple Factory模式演化五、优点与缺点： C#设计模式（5）－Factory Method Pattern 一、工厂方法（Factory Method）模式二、 Factory Method模式角色与结构：三、程序举例：四、工厂方法模式与简单工厂模式五、 Factory Method模式演化六、 Factory Method模式与其它模式的关系七、另外一个例子 C#设计模式（6）－Abstract Factory Pattern 一、抽象工厂（Abstract Factory）模式二、 Abstract Factory模式的结构：三、程序举例：四、在什么情形下使用抽象工厂模式：五、抽象工厂的起源六、 Abstract Factory模式在实际系统中的实现七、 "开放－封闭"原则 C#设计模式（7）－Singleton Pattern 一、单例（Singleton）模式二、 Singleton模式的结构：三、程序举例：四、在什么情形下使用单例模式：五、 Singleton模式在实际系统中的实现六、 C#中的Singleton模式 C#设计模式（8）－Builder Pattern 一、建造者（Builder）模式二、 Builder模式的结构：三、程序举例：四、建造者模式的活动序列：五、建造者模式的实现：六、建造者模式的演化七、在什么情况下使用建造者模式 C#设计模式（9）－Prototype Pattern 一、原型（Prototype）模式二、 Prototype模式的结构：三、程序举例：四、带Prototype Manager的原型模式五、浅拷贝与深拷贝六、 Prototype模式的优点与缺点 C#设计模式（10）－Adapter Pattern 一、适配器（Adapter）模式二、类的Adapter模式的结构：三、类的Adapter模式示意性实现：四、对象的Adapter模式的结构：五、对象的Adapter模式示意性实现：六、在什么情况下使用适配器模式七、一个实际应用Adapter模式的例子八、关于Adapter模式的讨论 C#设计模式（11）－Composite Pattern 一、合成（Composite）模式二、合成模式概述三、安全式的合成模式的结构四、安全式的合成模式实现五、透明式的合成模式结构六、透明式的合成模式实现七、使用合成模式时考虑的几个问题八、和尚的故事九、一个实际应用Composite模式的例子 C#设计模式（12）－Decorator Pattern 一、装饰（Decorator）模式二、装饰模式的结构三、装饰模式示例性代码四、装饰模式应当在什么情况下使用五、装饰模式实际应用的例子六、使用装饰模式的优点和缺点七、模式实现的讨论八、透明性的要求九、装饰模式在.NET中的应用 C#设计模式（13）－Proxy Pattern 一、代理（Proxy）模式二、代理的种类三、远程代理的例子四、代理模式的结构五、代理模式示例性代码六、高老庄悟空降八戒七、不同类型的代理模式八、代理模式实际应用的例子设计模式（14）－Flyweight Pattern 一、享元（Flyweight）模式二、单纯享元模式的结构三、单纯享元模式的示意性源代码四、复合享元模式的结构五、一个咖啡摊的例子六、咖啡屋的例子七、享元模式应当在什么情况下使用八、享元模式的优点和缺点设计模式（15）－Facade Pattern 一、门面（Facade）模式二、门面模式的结构三、门面模式的实现四、在什么情况下使用门面模式五、一个例子六、使用门面模式的设计设计模式（16）－Bridge Pattern 一、桥梁（Bridge）模式二、桥梁模式的结构三、桥梁模式的示意性源代码四、调制解调器问题五、另外一个实际应用Bridge模式的例子六、在什么情况下应当使用桥梁模式设计模式（17）－Chain of Responsibility Pattern 一、职责链（Chain of Responsibility）模式二、责任链模式的结构三、责任链模式的示意性源代码四、纯的与不纯的责任链模式五、责任链模式的实际应用案例六、责任链模式的实现设计模式（18）－Command Pattern 一、命令（Command）模式二、命令模式的结构三、命令模式的示意性源代码四、玉帝传美猴王上天五、命令模式的实现六、命令模式的实际应用案例七、在什么情况下应当使用命令模式八、使用命令模式的优点和缺点设计模式（19）－Observer Pattern 一、观察者（Observer）模式二、观察者模式的结构三、观察者模式的示意性源代码四、 C#中的Delegate与Event 五、一个实际应用观察者模式的例子六、观察者模式的优缺点设计模式（20）－Visitor Pattern 一、访问者（Visitor）模式二、访问者模式的结构三、示意性源代码四、一个实际应用Visitor模式的例子五、在什么情况下应当使用访问者模式六、使用访问者模式的优点和缺点设计模式（21）－Template Method Pattern 一、模板方法（Template Method）模式二、模版方法模式的结构三、模板方法模式的示意性代码四、继承作为复用的工具五、一个实际应用模板方法的例子六、模版方法模式中的方法七、重构的原则设计模式（22）－Strategy Pattern 一、策略（Strategy）模式二、策略模式的结构三、示意性源代码四、何时使用何种具体策略角色五、一个实际应用策略模式的例子六、在什么情况下应当使用策略模式七、策略模式的优点和缺点八、其它

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