Explanation on the use and modification of Tomcat's default program publishing path

The default program publishing path of tomcat7 is tomcat/webapps/ROOT/.

example

For example, if I create a jsp file in the tomcat/webapps/ROOT/ path, I can directly use the URL:

http://localhost:8080/index.jsp

Come visit.

For example, when I do file upload and download functions, I can create a new FileUpload folder under ROOT, set the path of the uploaded file to this folder, and then upload a file test.txt; when doing the download function, click the download button of the file to directly open a URL on the web page:

http://localhost:8080/FileUpload/test.txt

Revise

Open tomcat/conf/server.xml, there is the following code:

   <Host name="localhost" appBase="webapps"
      unpackWARs="true" autoDeploy="true">
    <!-- SingleSignOn valve, share authentication between web applications
       Documentation at: /docs/config/valve.html -->
    <!--
    <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
    -->
    <!-- Access log processes all example.
       Documentation at: /docs/config/valve.html
       Note: The pattern used is equivalent to using pattern="common" -->
    <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
        prefix="localhost_access_log." suffix=".txt"
        pattern="%h %l %u %t &quot;%r&quot; %s %b" />
   </Host>

name is the local access address and appBase is the parent address of the project, both of which can be modified. Add the following tags between the host tags

<Context path="" docBase="example" debug="0" reloadable="true" />

Among them, path is the name of the virtual directory. As long as you enter the IP address, the homepage will be displayed. docBase is the path of the virtual directory. The default is tomcat/webapps/ROOT/. We change it to docBase="example". At this time, example has the same function as ROOT!

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