SSM 单体应用架构搭建 — Spring+Spring MVC+MyBatis

2020-04-01 15:16 432人阅读评论(0)

文章目录

Intellij IDEA 创建项目
整合 Spring、Spring MVC、Mybatis 框架
部署到 Tomcat 服务器
测试运行访问

这里使用 Maven 项目管理工具构建项目

Intellij IDEA 创建项目

打开 Intellij IDEA，点击 Create New Project
选择 Maven 构建项目
选择 JDK 版本（此处不阐述 JDK 安装的详细步骤，不会的小伙伴戳 JDK 安装教程）
勾选项目模板
选择 maven-archetype-webapp 模板（Java Web 模板）
填写项目在 Maven 仓库中的坐标（在 Maven 仓库中根据这个坐标才能找到该项目），具体命名规则根据公司决定
选择 Maven 安装路径（此处不阐述 Maven 安装教程的详细步骤）
选择 Maven 配置文件路径
选择 Maven 本地仓库路径
填写项目名
选择工作目录（不建议存放 C 盘）

项目新建完成

整合 Spring、Spring MVC、Mybatis 框架

在 src > main 目录下分别新建 java 源码目录和 resource 配置文件目录

java 目录下创建源码的基本目录结构（该目录结构仅供参考，建议改为模块化结构）

webapp 目录下创建 static 目录，用于存放静态资源文件（css, js, img…）

webapp > WEB-INF 目录下创建 view 目录，用于存放页面（jsp, html…）

完整的 pom.xml 如下：

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

<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">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.antoniopeng</groupId>
  <artifactId>hello-ssm</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>hello-ssm Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <spring.version>4.0.2.RELEASE</spring.version>
    <mybatis.version>3.2.6</mybatis.version>
    <slf4j.version>1.7.7</slf4j.version>
    <log4j.version>1.2.17</log4j.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>compile</scope>
    </dependency>

    <!-- log4j begin-->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>${log4j.version}</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
    <!-- log4j end-->

    <!-- ssm begin-->
    <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-test</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.6.2</version>
    </dependency>
    <dependency>
      <groupId>com.mchange</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.5.2</version>
    </dependency>
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>${mybatis.version}</version>
    </dependency>
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.2.2</version>
    </dependency>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.30</version>
    </dependency>
    <dependency>
      <groupId>jstl</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>
    <dependency>
      <groupId>javax</groupId>
      <artifactId>javaee-api</artifactId>
      <version>7.0</version>
    </dependency>
    <!-- ssm end-->

    <!-- commons begin -->
    <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.3.1</version>
    </dependency>
    <dependency>
      <groupId>commons-io</groupId>
      <artifactId>commons-io</artifactId>
      <version>2.4</version>
    </dependency>
    <dependency>
      <groupId>commons-lang</groupId>
      <artifactId>commons-lang</artifactId>
      <version>2.6</version>
    </dependency>
    <dependency>
      <groupId>commons-codec</groupId>
      <artifactId>commons-codec</artifactId>
      <version>1.9</version>
    </dependency>
    <!-- commons end -->
  </dependencies>

  <build>
    <finalName>hello-ssm</finalName>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
        </configuration>
      </plugin>
    </plugins>
    <resources>
      <resource>
        <directory>src/main/java</directory>
        <includes>
          <include>**/*.xml</include>
        </includes>
      </resource>
      <resource>
        <directory>src/main/resource</directory>
        <includes>
          <include>*.xml</include>
          <include>*.dll</include>
          <include>*.properties</include>
        </includes>
      </resource>
    </resources>
  </build>
</project>

创建 log4j.properties 日志配置文件（以下配置文件均在 resource 目录下新建）

log4j.rootLogger=error, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender  
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout  
log4j.appender.stdout.layout.ConversionPattern=[service] %d - %c -%-4r [%t] %-5p %c %x - %m%n  

log4j.logger.com.ibatis = debug  
log4j.logger.com.ibatis.common.jdbc.SimpleDataSource = debug  
log4j.logger.com.ibatis.common.jdbc.ScriptRunner = debug  
log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate = debug  
log4j.logger.java.sql.Connection = debug  
log4j.logger.java.sql.Statement = debug  
log4j.logger.java.sql.PreparedStatement = debug
log4j.logger.java.sql.ResultSet =debug  
log4j.logger.com.pro.mapper =debug

创建 db.properties 数据库配置文件

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://{host}:{port}/{db_name}?useUnicode=true&amp;characterEncoding=UTF-8
user={username}
password={pwd}

创建 mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
    PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
    "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
  <settings>
    <setting name="logImpl" value="STDOUT_LOGGING" />
  </settings>
  <typeAliases>
    <package name="com.antoniopeng.hello.ssm.entity" />
  </typeAliases>
</configuration>

创建 spring-context.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"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       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
	                       http://www.springframework.org/schema/tx
	                       http://www.springframework.org/schema/tx/spring-tx.xsd
	                       http://www.springframework.org/schema/aop
	                       http://www.springframework.org/schema/aop/spring-aop.xsd">

  <context:component-scan base-package="com.antoniopeng.hello.ssm.service.impl" />

  <bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">
    <property name="dataSource" ref="dataSource" />
    <property name="configLocation" value="classpath:mybatis-config.xml" />
  </bean>

  <context:property-placeholder location="classpath:db.properties" />
  <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
    <property name="driverClass" value="${driver}" />
    <property name="jdbcUrl" value="${url}" />
    <property name="user" value="${user}" />
    <property name="password" value="${password}" />
  </bean>

  <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    <property name="basePackage" value="com.antoniopeng.hello.ssm.mapper" />
    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactoryBean" />
  </bean>

  <!-- 配置声明式事务管理器 -->
  <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource" />
  </bean>

  <!--  拦截器方式配置事务 -->
  <tx:advice id="transactionAdvice" transaction-manager="transactionManager">
    <tx:attributes>
      <tx:method name="edit*" propagation="REQUIRED"  rollback-for="java.lang.Throwable"/>
      <tx:method name="insert*" propagation="REQUIRED"  rollback-for="java.lang.Throwable"/>
      <tx:method name="delete*" propagation="REQUIRED"   rollback-for="java.lang.Throwable"/>
      <tx:method name="update*" propagation="REQUIRED"  rollback-for="java.lang.Throwable"/>
      <tx:method name="find*" read-only="true" />
      <tx:method name="select*" read-only="true"/>
      <tx:method name="count*" read-only="true"/>
      <tx:method name="*" />
    </tx:attributes>
  </tx:advice>

  <!-- 开启注解事务-->
  <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"  order="0"/>

  <aop:config proxy-target-class="true">
    <!-- 定义切入点 -->
    <aop:pointcut id="mysqlTransactionPointcut" expression="execution(* com.antoniopeng.hello.ssm.service.impl.*.*(..))" />
    <!-- 将事务通知 与 切入点组合 -->
    <aop:advisor pointcut-ref="mysqlTransactionPointcut" advice-ref="transactionAdvice" order="1"/>
  </aop:config>

</beans>

创建 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"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       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
	                       http://www.springframework.org/schema/mvc
      					   http://www.springframework.org/schema/mvc/spring-mvc.xsd">

  <mvc:annotation-driven />

  <context:component-scan base-package="com.antoniopeng.hello.ssm.controller" />

  <mvc:resources mapping="/statics/**" location="/static/" />

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

  <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <property name="defaultEncoding" value="utf-8" />
    <property name="maxUploadSize" value="10240000"></property>
    <property name="maxInMemorySize" value="40960" />
  </bean>

</beans>

在 com.antoniopeng.hello.ssm 目录下创建 filter 目录，并在其目录下创建 CharacterFilter 类，这一步是为了防止网页乱码

import javax.servlet.*;
import java.io.IOException;

public class CharacterFilter implements Filter {

    public CharacterFilter() {
        // TODO Auto-generated constructor stub
    }

    public void destroy() {
        // TODO Auto-generated method stub
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        response.setContentType("text/html;charset=UTF-8");
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        chain.doFilter(request, response);
    }

    public void init(FilterConfig fConfig) throws ServletException {
        // TODO Auto-generated method stub
    }
}

修改后完整的 web.xml 如下：

<?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_3_1.xsd"
         version="3.1">
  <welcome-file-list>
    <welcome-file>/</welcome-file>
  </welcome-file-list>

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

  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>
      classpath:spring-context.xml
    </param-value>
  </context-param>

  <filter>
      <filter-name>characterFilter</filter-name>
      <filter-class>com.antoniopeng.hello.ssm.filter.CharacterFilter</filter-class>
  </filter>
  <filter-mapping>
      <filter-name>characterFilter</filter-name>
      <url-pattern>/*</url-pattern>
  </filter-mapping>

  <filter>
    <filter-name>characterEncoding</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>
  </filter>
  <filter-mapping>
    <filter-name>characterEncoding</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <servlet>
    <servlet-name>springServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring-servlet.xml</param-value>
    </init-param>
  </servlet>
  <servlet-mapping>
    <servlet-name>springServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

SSM 集成框架搭建完成

部署到 Tomcat 服务器

点击 Intellij IDEA 页面右上方 Add Configuration...

添加 Tomcat 本地服务器配置

配置下载好的 Tomcat 服务器，Tomcat8 官网下载地址

设置访问端口号，默认 8080

部署项目到 Tomcat 服务器

测试运行访问

在 webapp > WEB-INF > view 目录下新建 index.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>index</title>
</head>

<body>
   	hello ssm
</body>
</html>

在 controller 目录下创建 IndexController 类

package com.antoniopeng.hello.ssm.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class IndexController {

    @RequestMapping(value = "/")
    public String index() {
        return "index";
    }
}

启动 Tomcat 服务器，访问 http://localhost:8080

项目已经上传至 Git Hub，后续会持续更新微服务分布式架构解决方案

END

转载：https://blog.csdn.net/MoNianQing/article/details/99648334

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