JSP learning (I) -- overview of JSP

 

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1.jsp Configuration of operating environment

https://blog.csdn.net/xiao_zhu_ting_feng/article/details/88402363

2.jsp Page elements

 

 

 

 

3.tomcat Server directory structure

 

• /bin： Deposit windows or Linux Start and shut down on the platform Tomcat Script file for

• /conf： Deposit Tomcat Various global configuration files of the server , The most important one is server.xml and web.xml

• /doc： Deposit Tomcat file

• /server： Contains three subdirectories ：classes、lib and webapps

• /server/lib： Deposit Tomcat The server needs all kinds of JAR file

• /server/webapps： Deposit Tomcat Bring your own two WEB application admin The application and manager application

• /common/lib： Deposit Tomcat Server and all web Applications are accessible jar file

• /shared/lib： Store all web Applications are accessible jar file （ But can't be Tomcat Server access ）

• /logs： Deposit Tomcat Log file at execution time

• /src： Deposit Tomcat Source code

• /webapps：Tomcat The main Web Publishing directory , By default Web The application files are placed in this directory

• /work： Deposit JSP After compiling class file

4. Port occupation problem

If the port is occupied , You can change the following configuration file to 80**

5.jsp Execution process diagram

 

explain ：

   The client makes the request

          2、web Container will jsp Turn into servlet Code （.java）

          3、web The container will be converted to servlet The code to compile （.class）

          4、web The container loads the compiled code and executes

          5、 Respond the execution result to the client