java项目实战,企业级电商开发部署,支付宝线上部署ssm

一:概述
SSM框架在项目开发中经常使用到,相比于SSH框架,它在仅几年的开发中运用的更加广泛。

  • Spring作为一个轻量级的框架,有很多的拓展功能,最主要的我们一般项目使用的就是IOC和AOP。

  • SpringMVC是Spring实现的一个Web层,相当于Struts的框架,但是比Struts更加灵活和强大!

  • Mybatis是 一个持久层的框架,在使用上相比Hibernate更加灵活,可以控制sql的编写,使用 XML或注解进行相关的配置!

根据上面的描述,学习SSM框架就非常的重要了!

二:搭建一个SSM的过程

  1. 使用Maven管理项目
    使用Maven在Eclipse中创建一个webapp的项目 ,具体的创建过程不做演示,如有不会创建的[创建项目]
    也可以使用Maven命令进行创建,在Dos窗口进入指定的目录,执行下面命令:

mvn archetype:create -DgroupId=org.ssm.dufy -DartifactId=ssm-demo -DarchetypeArtifactId=maven-archetype-webapp -DinteractiveMode=false

使用命令要注意,系统安装了Maven,并配置好了环境变量![Maven的安装和环境变量配置]

  1. 导入项目(命名创建),添加依赖
    导入项目是IDE中,或者直接在IDE创建,一般默认有【src/main/java】,手动创建【src/test/resources】、【src/test/java】文件夹。

    如下项目结构:

    然后直接配置 pom.xml文件中的包依赖!

<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>org.dufy</groupId>
  <artifactId>ssm</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>ssmDemo</name>
  <url>http://maven.apache.org</url>
  <properties>
    <spring.version>4.0.5.RELEASE</spring.version>
    <mybatis.version>3.2.1</mybatis.version>
    <slf4j.version>1.6.6</slf4j.version>
    <log4j.version>1.2.12</log4j.version>
    <mysql.version>5.1.35</mysql.version>
    
    
  </properties>
  <dependencies>
  <!-- 添加Spring依赖 -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>${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-aspects</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>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <!--spring单元测试依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>
 
  <!-- spring webmvc相关jar -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
  
  <!-- mysql驱动包 -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>${mysql.version}</version>
    </dependency>
    
    <!-- alibaba data source 相关jar包-->
     <dependency>
         <groupId>com.alibaba</groupId>
         <artifactId>druid</artifactId>
         <version>0.2.23</version>
     </dependency>
     
     <!-- alibaba fastjson 格式化对 -->  
        <dependency>  
            <groupId>com.alibaba</groupId>  
            <artifactId>fastjson</artifactId>  
            <version>1.1.41</version>  
        </dependency> 
    
     <!-- logback start -->
    <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>ch.qos.logback</groupId>
        <artifactId>logback-classic</artifactId>
        <version>1.1.2</version>
    </dependency>
    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-core</artifactId>
        <version>1.1.2</version>
    </dependency>
    <dependency>
        <groupId>org.logback-extensions</groupId>
        <artifactId>logback-ext-spring</artifactId>
        <version>0.1.1</version>
    </dependency>
    
    <!--mybatis依赖 -->
    <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>1.2.0</version>
    </dependency>
  <!-- 添加servlet3.0核心包 -->
          <dependency>
              <groupId>javax.servlet</groupId>
              <artifactId>javax.servlet-api</artifactId>
              <version>3.0.1</version>
          </dependency>
          <dependency>
              <groupId>javax.servlet.jsp</groupId>
              <artifactId>javax.servlet.jsp-api</artifactId>
              <version>2.3.2-b01</version>
          </dependency>
          <!-- jstl -->
          <dependency>
              <groupId>javax.servlet</groupId>
              <artifactId>jstl</artifactId>
              <version>1.2</version>
          </dependency>
    <!--单元测试依赖 -->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
  <build>
    <finalName>ssmDemo</finalName>
  </build></project>
  1. 创建数据库和表,生成代码
    创建数据库我参考别人的博客数据库设计,这块没有自己去书写,直接添上代码

DROP TABLE IF EXISTS `user_t`;  
  
CREATE TABLE `user_t` (  
  `id` int(11) NOT NULL AUTO_INCREMENT,  
  `user_name` varchar(40) NOT NULL,  
  `password` varchar(255) NOT NULL,  
  `age` int(4) NOT NULL,  
  PRIMARY KEY (`id`)  
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;  
  
/*Data for the table `user_t` */  
  insert  into `user_t`(`id`,`user_name`,`password`,`age`) values (1,'测试','sfasgfaf',24)

生成代码请查看:

[Mybatis自动生成代码]

生成的代码导入图片解释:

java项目实战,企业级电商开发部署,支付宝线上部署ssm

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转载自blog.51cto.com/13882008/2165588