[Configuration] Maven configuration & Tomcat configuration & new web project in IDEA

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How to configure Maven, tomcat and the process of creating a new project in idea

Maven configuration

maven can be used for

(1) Project management;

(2) Dependency management;

1. Close the project first, and then the following interface will appear

2. Set the following configuration [core]

3. Parameter analysis

4. High version idea configuration method

Import package to refresh

 <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.22</version>
        </dependency>

Tomcat configuration

0. Pre-work: Configure JAVA_HOME

1. Modify port and encoding gbk

2. Service startup and shutdown

startup.bat start
shutdown.bat shutdown

3. Browser input for access

http://127.0.0.1:10081

Create a new project in idea

4. Create a new project in IDEA

(1) Configure Tomcat service

Select the installation location of tomcat

After the configuration is successful, click apply

(2) Create a new project

(3) The following interface appears after running, successful

5. Create a new project in general way

(1) Choose maven to create a new project, where Archetype chooses maven’s webapp

(2) Configure the pom.xml file

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.tianju</groupId>
  <artifactId>javaweb0604</artifactId>

<!-- The packaging method, the default is jar, if it is a web project, you need to write war-->
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
  </properties>

  <dependencies>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>4.0.1</version>
      <!-- This jar package does not participate in running Tomcat, but it should be used during development -->
      <scope>provided</scope>
    </dependency>
  </dependencies>

</project>

Other commonly used configurations

 <dependency>
<!-- lombok-->
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.18.22</version>
    </dependency>

    <dependency>
<!-- io stream -->
      <groupId>commons-io</groupId>
      <artifactId>commons-io</artifactId>
      <version>2.5</version>
    </dependency>

    <dependency>
<!-- Ali's database management tool -->
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.2.16</version>
    </dependency>

    <dependency>
<!-- sql connection tool -->
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.20</version>
    </dependency>

    <dependency>
<!-- jdbc connection database tool -->
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>5.2.22.RELEASE</version>
    </dependency>

    <dependency>
<!-- junit unit testing tool -->
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
      <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <version>RELEASE</version>
          <scope>compile</scope>
      </dependency>

(3) Configure the web.xml file

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
</web-app>

(4) Create a new file

Right-click to create a new file under src

(5) Configure the running environment

select the expanded

(6) Run

Summary

1. The role of maven, its configuration, and the method of creating a new maven project;
2. Tomcat configuration, port number change, Chinese garbled solution;
3. Two ways to create a new web project in idea and the operation process;