How to use Maven tools and Tomcat in Javaweb

1. Maven tool

1, about maven

Maven is a project build tool that creates As long as the project follows the Maven specification (called a Maven project), it can be managed using Maven: compilation, packaging, etc.

2. Install maven

If you have already configured the JDK when installing idea, then you do not need to install maven, idea already comes with maven. If the JDK is not installed and configured, the specific download and configuration process is available on the Internet. It is relatively simple and will not be described in detail here

3. Use maven

#4, understand pom.xml

pom.xml is the core configuration file in the maven project. xml is a file format. This format is also a tagged language, similar to html

##5, the directory file is complete

##6, import database dependencies

Go to the official website to find the corresponding jar package, copy and paste it into the idea

##2. Tomcat

1. What is Tomcat?

Tomcat is an HTTP server. We have already learned the HTTP protocol and know HTTP The protocol is the format of the interactive data between the HTTP client and the HTTP server. At the same time, the HTTP client is constructed through ajax and Java Socket. We can also implement the HTTP server through Java Socket. And Tomcat is based on Java. Open source and free, it is also a widely used HTTP server.

Tomacat is an HTTP server. Imagine that the webapp of an e-commerce platform like Taobao is a Taobao store. The Servlet running on tomcat is the Taobao platform for the store. Provide services

2, download Tomcat

Download and unzip it

Enter the above URL in the browser to enter Tomcat. If it is successful, it means the installation is successful

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