Common ways to deploy web projects in tomcat:
Example: project name --SpringMVC,
Physical path --D:\STUDY\Workspaces\SpringMVC,
Target URL access form -- http://localhost:8080/smvc/...;
Note: The following deployment methods are based on the default configuration of tomcat. If there are custom settings, you need to make corresponding adjustments.
Method 1 : Copy the project to the webapps directory; (the method used by myeclipse deployment)
Operation : Create a new folder named smvc under webapps, copy the "content of the web application" to the smvc folder, and start tomcat;
Description : The name of the folder is the root path when accessing, for example, the folder name is smvc2, and the URL is http://localhost:8080/smvc2/...;
" Web application content" refers to all files in the root directory of a standard web application . If the IDE is eclipse, the content defaults to WebContent
All files in the directory , if it is myeclipse, the default is all files in the WebRoot directory, pay attention to the class file;
The following deployment configurations are configured according to the default settings of eclipse.
Method 2 : Modify the server.xml file; (the method used by eclipse to create a new server deployment, the tomcat plug-in deployment can also be configured in this method )
Action : Add the following configuration to the host tag:
<Context path="/smvc" docBase="D:\STUDY\Workspaces\SpringMVC\WebContent" />
Note : The parameters configured here are required items, and parameters such as reloadable and workDir can be added as needed, the same below;
It is said that doBase can match relative paths according to webapps, but I haven't tried it.
Method 3 : Add an xml configuration file in the conf\Catalina\localhost directory; ( this method can be configured for tomcat plugin deployment )
Operation : Create a new file named smvc.xml , and the content of the file is configured as follows:
<Context docBase="D:\STUDY\Workspaces\SpringMVC\WebContent" />
Note : The tomcat in the Catalina\localhost directory is not available by default when it is downloaded. It will be created automatically at the first startup, or it can be created manually;
配置中去掉path属性，因为配了也没用，访问项目时的根路径只取决于XML文件的名称；
如果没有WebContent目录，内容直接放在项目根目录下，那这个xml文件按理就需要命名为“.xml”，要是
人为这么命名，操作系统是不允许的，但是用tomcat插件部署确可以做到，比较神奇。
推荐使用第三种方式，因为不需要修改tomcat默认配置，并且如果想取消部署，直接删除xml配置文件即可；
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这三种方式个人感觉是比较常用，但 tomcat 5.5之后独立出了context.xml，并且官方不再提倡修改server.xml，即本文中的方式二，曾尝试在context.xml中只做部署配置，但没成功，网上查了一下，很多提到配置context.xml的都是配置数据源之类的，官网也没有找到如何利用context.xml文件部署项目，所以一直没搞清楚利用context.xml到底能不能、又如何部署web项目，关注一下这个问题。