SSM框架_1(項目初始化搭建)

時間  2019-11-12
標籤 ssm 框架 項目 初始化 搭建 简体版
原文   原文鏈接

2017-01-17(maven + spring項目)

一、 搭建基礎工程目錄

1.一、 在src/main/java文件夾中，新建包（以下）

com.ssm.model(存放javabean類)；
com.ssm.dao（存放spring與mybatis鏈接接口）；
com.ssm.service（存放service接口類）；
com.ssm.service.impl（存放service接口的實現類）；
com.ssm.controller（存放控制層controller）html

1.二、在src/main/resource文件夾中，新建包conf（存放配置文件），

1.三、 在src/test/java文件夾中，新建包com.ssm.test(存放測試文件)

二、 MAVEN引入jar包

當前爲最基礎的jar包，將其引入pom.xml文件中。此時，project中原先報錯的index.jsp頁面，錯誤消失。這是由於添加了servlet-api，爲project添加了Servlet依賴。附上代碼，以下：java

<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>cn.springmvc</groupId>
	<artifactId>ssm_20170114</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>ssm_20170114 Maven Webapp</name>
	<url>http://maven.apache.org</url>

	<properties>
		<!-- spring版本號 -->
		<spring.version>3.2.4.RELEASE</spring.version>
		<!-- mybatis版本號 -->
		<mybatis.version>3.2.4</mybatis.version>
		<!-- log4j日誌文件管理包版本 -->
		<slf4j.version>1.6.6</slf4j.version>
		<log4j.version>1.2.9</log4j.version>
	</properties>

	<!-- 解決One or more constraints have not been satisfied問題，如無該問題，可刪除 -->
	<profiles>
		<profile>
			<id>jdk-1.7</id>
			<!-- 另一種激活方式 -->
			<activation>
				<activeByDefault>true</activeByDefault>
				<jdk>1.7</jdk>
			</activation>
			<properties>
				<maven.compiler.source>1.7</maven.compiler.source>
				<maven.compiler.target>1.7</maven.compiler.target>
				<maven.compiler.compilerVersion>1.7</maven.compiler.compilerVersion>
			</properties>
		</profile>
	</profiles>

	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>
		<!-- 與junit配套使用 -->
		<dependency>
			<groupId>org.hamcrest</groupId>
			<artifactId>hamcrest-core</artifactId>
			<version>1.1</version>
		</dependency>

		<!-- spring核心包 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</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-oxm</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aop</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aop</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- spring核心包 end -->
		
		<!-- mybatis核心包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>${mybatis.version}</version>
		</dependency>
		
		<!-- mybatis/spring包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.2.2</version>
		</dependency>
		
		<!-- mysql驅動包 -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.29</version>
		</dependency>
		
		<!-- 添加Servlet依賴的jar -->
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>2.5</version>
			<scope>provided</scope>
		</dependency>
		
		<!-- 阿里巴巴數據源包 -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
			<version>1.0.2</version>
		</dependency>

		<!-- json數據 -->
		<dependency>
			<groupId>org.codehaus.jackson</groupId>
			<artifactId>jackson-mapper-asl</artifactId>
			<version>1.9.4</version>
		</dependency>
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>fastjson</artifactId>
			<version>1.2.20</version>
		</dependency>

		<!-- jstl依賴 -->
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>
		
		<!-- 日誌log start -->
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>${log4j.version}</version>
		</dependency>
		<!-- log end -->
		
		<!-- 支持 ${pageContext.request.contextPath} -->
		<dependency>
			<groupId>javax.servlet.jsp</groupId>
			<artifactId>jsp-api</artifactId>
			<version>2.2.1-b03</version>
		</dependency>
	</dependencies>
	<build>
		<finalName>ssm_20170114</finalName>
	</build>
</project>

三、 配置conf下的配置文件

/conf/spring-mvc.xml以下：mysql

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:p="http://www.springframework.org/schema/p" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="
    http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.2.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">

	<!-- 掃描controller（controller層注入） -->
	<context:component-scan base-package="com.ssm.controller" />

	<!-- 避免IE在ajax請求時，返回json出現下載 -->
	<bean id="jacksonMessageConverter"
		class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
		<property name="supportedMediaTypes">
			<list>
				<value>text/html;charset=UTF-8</value>
			</list>
		</property>
	</bean>

	<!-- 對模型視圖添加先後綴 -->
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/view/" />
		<property name="suffix" value=".jsp" />
	</bean>
</beans>

四、 . 修改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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="WebApp_ID" version="2.5">
	<display-name>Archetype Created Web Application</display-name>
	<!-- 設計路徑變量值 -->
	<context-param>
		<param-name>webAppRootKey</param-name>
		<param-value>springmvc.root</param-value>
	</context-param>
	<!-- Spring字符集過濾器 -->
	<filter>
		<filter-name>SpringEncodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
		<init-param>
			<param-name>forceEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>SpringEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

	<!-- 多個項目在同一個tomcat下時，要考慮webAppRootKey -->
	<context-param>
		<param-name>webAppRootKey</param-name>
		<param-value>web1.root</param-value>
	</context-param>

	<!-- springMVC核心配置 -->
	<servlet>
		<servlet-name>springMVC</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:conf/spring-mvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>springMVC</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<!-- druid監控 -->
	<!-- druid監控頁面方位地址：http://ip:8080/項目名稱/druid/ -->
	<servlet>
		<servlet-name>DruidStatView</servlet-name>
		<servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
		<init-param>
			<!-- 用戶名 -->
			<param-name>loginUsername</param-name>
			<param-value>druid</param-value>
		</init-param>
		<init-param>
			<!-- 密碼 -->
			<param-name>loginPassword</param-name>
			<param-value>dream</param-value>
		</init-param>
	</servlet>
	<servlet-mapping>
		<servlet-name>DruidStatView</servlet-name>
		<url-pattern>/druid/*</url-pattern>
	</servlet-mapping>
</web-app>

五、 新建jsp文件

在WEB-INF文件夾下新增 view/hello.jsp,以下：web

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
	<h1>這是WEB-INF/view/目錄下的hello.jsp</h1>
</body>
</html>

六、 新建controller文件

com.ssm.controller包下新增 IndexController.java,以下：ajax

package com.ssm.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

  @Controller
  @RequestMapping("/")
  public class IndexController {

      @RequestMapping("hello")
      public String index(){
	  	  return "hello";
      }	
}

###七、 運行項目 當前結構以下圖所示，基本骨架已經出來了。以下圖：spring

第2階段：maven + spring項目結構圖

可用tomcat或jetty運行該項目，輸入url：http://127.0.0.1:8080/ssm_20170114/hello 可見下圖，證實maven + spring框架搭建成功。sql

第2階段：maven + spring項目結構圖

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