Spring mvc 使用tomcat plug

编辑器的是idea，所以在Springmvc项目中，测试时，都需要不断去发布，比较麻烦，可以使用maven 的tomcat plug
使用流程：
1. 在maven插件中进行 clean package.
2. 在tomcat plug中，点击run-war-only
1. pom.xml文件: 主要引入webmvc, servletjar, 以及tomcat plug, 使用tomcat plug的目的在于, 可以直接在本地启用war包。

<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/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>spring-boot-learning</artifactId>
        <groupId>com.alex</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>webmvc</artifactId>
    <packaging>war</packaging>

    <dependencies>
        <!--servlet api-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>

        <!--web mvc-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <executions>
                    <execution>
                        <id>tomcat-run</id>
                        <goals>
                            <goal>exec-war-only</goal>
                        </goals>
                        <phase>package</phase>
                        <configuration>
                            <path>/</path>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

        </plugins>
    </build>
</project>


2. web.xml  <src/main/webapp/WEB-INF/web.xml>
<web-app>
    <servlet>
        <servlet-name>app</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/spring-servlet.xml</param-value>
        </init-param>
    </servlet>

    <servlet-mapping>
        <servlet-name>app</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

3. spring-servlet.xml: 需要注意空格等问题, 可以先复制到文本文件, 再黏贴到idea中.  <src/main/webapp/WEB-INF/spring-servlet.xml>
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <context:component-scan base-package="com.alex"/>
    <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/>
    <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>

    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/WEB-INF/jsp"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>


4. index.jsp <src/main/webapp/WEB-INF/jsp/index.jsp>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

</body>
</html>

5. indexController <src/main/com.alex.controller.HelloWorldController>

@Controller
public class HelloWorldController {
    @RequestMapping("")
    public String index() {
        return "/index";
    }}
Spring mvc 使用tomcat plug

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