# 手写Tomcat框架 **Repository Path**: ddfeiyu/framework-tomcat ## Basic Information - **Project Name**: 手写Tomcat框架 - **Description**: Tomcat，这只3脚猫，大学的时候就认识了，直到现在工作中，也常会和它打交道。这是一只神奇的猫，今天让我来抽象你，实现你！ - **Primary Language**: Java - **License**: Apache-2.0 - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 2 - **Forks**: 0 - **Created**: 2021-06-26 - **Last Updated**: 2023-08-13 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README # 手写Tomcat框架 #### 介绍 Tomcat，这只3脚猫，大学的时候就认识了，直到现在工作中，也常会和它打交道。这是一只神奇的猫，今天让我来抽象你，实现你！ #### 软件架构 软件架构说明 Tomcat是非常流行的Web Server，它还是一个满足Servlet规范的容器。那么想一想，Tomcat和我们的Web应用是什么关系？ 从感性上来说，我们一般需要把Web应用打成WAR包部署到Tomcat中，在我们的Web应用中，我们要指明URL被哪个类的哪个方法所处理（不论是原始的Servlet开发，还是现在流行的Spring MVC都必须指明）。 由于我们的Web应用是运行在Tomcat中，那么显然，请求必定是先到达Tomcat的。Tomcat对于请求实际上会进行下面的处理： 第一：提供Socket服务 Tomcat的启动，必然是Socket服务，只不过它支持HTTP协议而已！ 这里其实可以扩展思考下，Tomcat既然是基于Socket，那么是基于BIO or NIO or AIO呢？ 第二：进行请求的分发 要知道一个Tomcat可以为多个Web应用提供服务，那么很显然，Tomcat可以把URL下发到不同的Web应用。 第三：需要把请求和响应封装成request/response 我们在Web应用这一层，可从来没有封装过request/response的，我们都是直接使用的，这就是因为Tomcat已经为你做好了！ #### 安装教程 1. 测试类： TestMyTomcat 2. 打印日志： Connected to the target VM, address: '127.0.0.1:2748', transport: 'socket' MyTomcat is start... MyRequest{url='/HelloWorld', method='GET'} -------doDispatch: request: MyRequest{url='/HelloWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/', method='GET'} -------doDispatch: request: MyRequest{url='/', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/HelloWorld2', method='GET'} -------doDispatch: request: MyRequest{url='/HelloWorld2', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/HelloWorld2', method='GET'} -------doDispatch: request: MyRequest{url='/HelloWorld2', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/HelloWorld', method='GET'} -------doDispatch: request: MyRequest{url='/HelloWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/HelloWorld1', method='GET'} -------doDispatch: request: MyRequest{url='/HelloWorld1', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/', method='GET'} -------doDispatch: request: MyRequest{url='/', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/', method='GET'} -------doDispatch: request: MyRequest{url='/', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/', method='GET'} -------doDispatch: request: MyRequest{url='/', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/HelloWorld', method='GET'} -------doDispatch: request: MyRequest{url='/HelloWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/StopTheWorld', method='GET'} -------doDispatch: request: MyRequest{url='/StopTheWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/StopTheWorld', method='GET'} -------doDispatch: request: MyRequest{url='/StopTheWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/StopTheWorld', method='GET'} -------doDispatch: request: MyRequest{url='/StopTheWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/StopTheWorld', method='GET'} -------doDispatch: request: MyRequest{url='/StopTheWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/StopTheWorld2', method='GET'} -------doDispatch: request: MyRequest{url='/StopTheWorld2', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/StopTheWorld', method='GET'} -------doDispatch: request: MyRequest{url='/StopTheWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() MyRequest{url='/StopTheWorld', method='GET'} -------doDispatch: request: MyRequest{url='/StopTheWorld', method='GET'} socket.close() MyRequest{url='/favicon.ico', method='GET'} -------doDispatch: request: MyRequest{url='/favicon.ico', method='GET'} socket.close() 3. 运行截图： ![输入图片说明](https://images.gitee.com/uploads/images/2021/0626/154852_81dc9588_1425724.png "1.png") ![输入图片说明](https://images.gitee.com/uploads/images/2021/0626/154904_c08b0c8b_1425724.png "2.png") ![输入图片说明](https://images.gitee.com/uploads/images/2021/0626/154913_7461506c_1425724.png "3.png") #### 使用说明 1. xxxx 2. xxxx 3. xxxx #### 参与贡献 1. Fork 本仓库 2. 新建 Feat_xxx 分支 3. 提交代码 4. 新建 Pull Request #### 特技 1. 使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md 2. Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com) 3. 你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目 4. [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目 5. Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help) 6. Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)