裸奔Spring(1)

2022-11-21 10:43:33

pom.xml

<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.test</groupId>

	<artifactId>spring</artifactId>

	<packaging>war</packaging>

	<version>0.0.1-SNAPSHOT</version>

	<name>spring Maven Webapp</name>

	<url>http://maven.apache.org</url>

	<licenses>

		<license>

			<name>Apache License, Version 2.0</name>

			<url>http://www.apache.org/licenses/LICENSE-2.0</url>

		</license>

	</licenses>

	<developers>

		<developer>

			<id>zzzz</id>

			<name>caicai</name>

			<email>806846483@qq.com</email>

			<organization>ShuWang Software, Inc.</organization>

			<organizationUrl>www.shuwang.info</organizationUrl>

			<roles>

				<role>

					Project Lead

				</role>

			</roles>

		</developer>

	</developers>

	<properties>

		<spring.version>4.2.3.RELEASE</spring.version>

	</properties>

	<dependencies>

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-core</artifactId>

			<version>${spring.version}</version>

		</dependency>

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-beans</artifactId>

			<version>${spring.version}</version>

		</dependency>

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-web</artifactId>

			<version>${spring.version}</version>

		</dependency>

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-context-support</artifactId>

			<version>${spring.version}</version>

		</dependency>

		<!--

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-aop</artifactId>

			<version>${spring.version}</version>

		</dependency>

		<dependency>

			<groupId>org.springframework</groupId>

			<artifactId>spring-expression</artifactId>

			<version>${spring.version}</version>

		</dependency>

		 -->

	</dependencies>

	<build>

		<finalName>spring</finalName>

		<sourceDirectory>src/main/java</sourceDirectory>

		<outputDirectory>target/classes</outputDirectory>

		<resources>

			<resource>

				<filtering>true</filtering>

				<directory>

					src/main/resources

				</directory>

				<includes>

					<include>**/application.properties</include>

					<include>**/application.yml</include>

				</includes>

			</resource>

		</resources>

	</build>

</project>

　　web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">

  <display-name>spring</display-name>

  <welcome-file-list>

    <welcome-file>index.html</welcome-file>

    <welcome-file>index.htm</welcome-file>

    <welcome-file>index.jsp</welcome-file>

    <welcome-file>default.html</welcome-file>

    <welcome-file>default.htm</welcome-file>

    <welcome-file>default.jsp</welcome-file>

  </welcome-file-list>

  <context-param>

 	<param-name>contextConfigLocation</param-name>

 	<param-value>WEB-INF/application.xml</param-value>

  </context-param>

  <listener>

  	<description>springWebContextLoaderListener</description>

  	<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

  </listener>

</web-app>

　　application.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.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context.xsd">

	<context:component-scan base-package="com.jiangchong.test"/>

</beans>

　　测试用的jsp

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<%@page import="org.springframework.web.context.support.WebApplicationContextUtils"%>

<%@page import="org.springframework.web.context.WebApplicationContext"%>

<html>

<body>

	<h2>Hello World!</h2>

	<h3>

	<%

	WebApplicationContext wac = WebApplicationContextUtils.getRequiredWebApplicationContext(this.getServletContext());

	String get = (String)wac.getBean("get");

	out.println(get);

	%>

	</h3>

</body>

</html>

　　TestTest.class

package com.jiangchong.test;

import org.springframework.beans.factory.InitializingBean;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

@Configuration

public class TestTest implements InitializingBean

{

	@Autowired

	String get;

	public void afterPropertiesSet() throws Exception

	{

		System.out.println(get);

	}

	@Bean

	public TestTest list()

	{

		return new TestTest();

	}

}

　　Test.class

package com.jiangchong.test;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

@Configuration

public class Test

{

	@Bean

	public String get()

	{

		return new String("test");

	}

}

　　至此把Web容器和Spring关联起来了,看不懂面墙去

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