How to use IDEA to configure tomcat and create JSP files

Before using idea to write JSP files, you need to configure the jdk environment (not described here) and the corresponding tomcat. The editor here uses IDEA 2017.1.2 version, jdk is 1.8, and the configuration of tomcat environment needs to correspond to the jdk version.

No.1

Download tomcat

First, we go to the official website http://tomcat.apache.org and click "Which version?" to view the corresponding version. We can see that jdk1.8 requires tomcat9.0 and above to be compatible. If the versions do not match, various problems will occur when writing Web.

Directly click on Tomcat 9.0 on the left. The editor's computer is 64-bit. You can choose according to your computer configuration. Note that it is best to choose a compressed package, which can be used after decompression. The installation package needs to be installed by yourself, which is a bit troublesome.

No.2

Creating a Web Project

The file name is arbitrary.

No.3

Creating JSP Files

Created successfully.

Next you need to configure tomcat, otherwise the following situation will occur.

No.4

Configure tomcat

Select the path of Tomcat 9.0 that you just downloaded and unzipped from the Tomcat official website.

It is best to uncheck After launch. When I first started, I wanted to try what would happen after checking it. Every time I ran tomcat, a new tab would appear in the browser, so it is better to uncheck it.

No.5

Configuring artifacts

Click the plus sign. If the previous tomcat was not configured properly, there will be no Tomcat Server here.

After clicking Local, Tomcat Server will appear on Defaults, and the name is whatever you want.

Click Development -> "+" -> Artifact...

Then it runs successfully~

Summarize

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