Getting Started with Creating Web Projects with Intellij Idea (1) - I am an old novice

The installation of Intellij Idea is very simple, just install it step by step.

JDK installation is also quite simple. The important thing is to configure the environment. Just add the Java installation path to the environment variable Path.

You don’t need to install the Tomcat folder. You can just unzip it and put it in the C drive, or put it in another folder. But it’s best not to have Chinese characters in the name of the folder~~~ Don’t believe it? Then try it~~

Idea Steps to create a Web project:

1. Create a project

File -> New Project -> Enter the project name "Demos" and select Project SDK as 1.7 -> Next -> Finish

2. Create a Module

Click on the project name demos -> Right-click and select New, select Module

##Enter the Module name "firstweb" -> Click Next

Check "Web Application" -> Confirm that "Create web.xml" is checked -> Finish

3 , Created web project

4. Create two folders under web/WEB-INF: classes and lib

classes is used to store the compiled output class files, and lib is used to store third-party jar packages.

5. Configuration folder path

File -> Project Structure (shortcut key: Ctrl + Shift + Alt + S ) -> Select Module:

Select Paths -> Select "Use module compile output path" -> Select the classes folder just created for both Output path and Test output path.

##Then select Dependencies -> Select Module SDK as 1.7 -> Click the "+" sign on the right -> Select 1 "Jars or Directories"

-> Select the lib folder you just created

-> Select "jar directory" -> Then return Just be OK~~

##6. Configure the Tomcat container

Open the menu Run -> Select Edit Configuration

Click the "+" sign -> Select "Tomcat Server" -> Select "Local"

In "Name "Enter the new service name at ", click "Configure..." after "Application server", the Tomcat Server window will pop up, select the locally installed Tomcat directory -> OK

In the "Server" palette of the "Run/Debug Configurations" window, uncheck "After launch", set "HTTP port" and "JMX port" (default values ​​are enough), click Apply -> OK, At this point, Tomcat configuration is complete.

7. Deploy and run the project in Tomcat

Run -> Edit Configurations, enter "Run/Debug Configurations" Window-> Select the Tomcat container just created-> Select Deployment -> Click the "+" sign on the right-> Select Artifact

##-> Select web Project -> Application context can fill in "/hello" (in fact, you can also leave it blank~~) -> OK

8. Edit the index.jsp file

##9. Run Tomcat and view it in the browser operation result

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