零.前期设置

0.项目需求

根据表设置一个前后端交互的ssm项目如图
在这里插入图片描述

1.pom.xml依赖

<properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <maven.compiler.source>1.8</maven.compiler.source>
  <maven.compiler.target>1.8</maven.compiler.target>
  <!-- 版本锁定 -->
  <spring.version>5.0.2.RELEASE</spring.version>
  <slf4j.version>1.6.6</slf4j.version>
  <log4j.version>1.2.12</log4j.version>
  <shiro.version>1.2.3</shiro.version>
  <mysql.version>5.1.6</mysql.version>
  <mybatis.version>3.4.5</mybatis.version>
  <spring.security.version>5.0.1.RELEASE</spring.security.version>
</properties>
<dependencies>
  <!-- spring -->
  <dependency>
    <groupId>org.aspectj</groupId>
    <artifactId>aspectjweaver</artifactId>
    <version>1.6.8</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-aop</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>${spring.version}</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-web</artifactId>
    <version>${spring.version}</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-orm</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-core</artifactId>
    <version>${spring.version}</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>${spring.version}</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>${spring.version}</version>
  </dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-tx</artifactId>
    <version>${spring.version}</version>
  </dependency>
  <dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>4.12</version>
    <scope>test</scope>
  </dependency>
  <dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>${mysql.version}</version>
  </dependency>
  <dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>javax.servlet-api</artifactId>
    <version>3.1.0</version>
    <scope>provided</scope>
  </dependency>
  <dependency>
    <groupId>javax.servlet.jsp</groupId>
    <artifactId>jsp-api</artifactId>
    <version>2.0</version>
    <scope>provided</scope>
  </dependency>
  <dependency>
    <groupId>jstl</groupId>
    <artifactId>jstl</artifactId>
    <version>1.2</version>
  </dependency>
  <!-- log start -->
  <dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>${log4j.version}</version>
  </dependency>
  <dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-api</artifactId>
    <version>${slf4j.version}</version>
  </dependency>
  <dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-log4j12</artifactId>
    <version>${slf4j.version}</version>
  </dependency>
  <!-- log end -->
  <dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis</artifactId>
    <version>${mybatis.version}</version>
  </dependency>
  <dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis-spring</artifactId>
    <version>1.3.0</version>
  </dependency>
  <dependency>
    <groupId>c3p0</groupId>
    <artifactId>c3p0</artifactId>
    <version>0.9.1.2</version>
    <type>jar</type>
    <scope>compile</scope>
  </dependency>
  <dependency>
    <groupId>com.github.pagehelper</groupId>
    <artifactId>pagehelper</artifactId>
    <version>5.1.2</version>
  </dependency>
  <dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-web</artifactId>
    <version>${spring.security.version}</version>
  </dependency>
  <dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-config</artifactId>
    <version>${spring.security.version}</version>
  </dependency>
  <dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-core</artifactId>
    <version>${spring.security.version}</version>
  </dependency>
  <dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-taglibs</artifactId>
    <version>${spring.security.version}</version>
  </dependency>
  <dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid</artifactId>
    <version>1.0.9</version>
  </dependency>
  <dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>4.13</version>
    <scope>test</scope>
  </dependency>
</dependencies>
	<!-- 添加tomcat7插件 -->
	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.tomcat.maven</groupId>
				<artifactId>tomcat7-maven-plugin</artifactId>
				<version>2.2</version>
			</plugin>
		</plugins>
	</build>

2.父子工程细节1

（1）父工程

（2）子模块

3.模块之间的交互方式【细节2】

（1）代码块

<!-- 其他模块的导入 -->
<dependency>
    <groupId>公司名</groupId>
    <artifactId>模块名称</artifactId>
    <version>版本号</version>

（2）范例

一.springMVC【表现层】

1.web.xml

（1）代码块

  <!-- 配置中文过滤器 -->
  <filter>
    <filter-name>encoding</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <!-- 配置编码 -->
    <init-param>
      <param-name>encoding</param-name>
      <param-value>utf-8</param-value>
    </init-param>
    <!-- 加载编码 -->
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>encoding</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  <!-- 配置springMVC的服务器 -->
  <servlet>
    <servlet-name>dispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springMVC.xml</param-value>
    </init-param>
    <!-- 设置加载顺序 -->
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>


  <!-- 配置核心监听器的路径 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext_service.xml</param-value>
  </context-param>
  <!-- spring核心监听器 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

（2）范例

2.controller类

（1）代码块

import cn.domain.Cost;
import cn.service.CostService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@Controller
@RequestMapping("/cost")
public class CostController {
    @Autowired
    private CostService costService;

    @RequestMapping("/findAll")
    public String findAll(Model model){
        System.out.println("表现层执行中");
        List<Cost> list = costService.findAll();
        for(Cost cost : list){
            System.out.println(cost);

        }
        model.addAttribute("list",list);
        return "success";
    }

    @RequestMapping("/addCost")
    public void addCost(Cost cost,HttpServletResponse response) throws IOException {
        System.out.println("表现层执行中");
        System.out.println(cost);
        costService.addCost(cost);
        Cost cost2 = costService.findByName(cost.getKname());
        response.setContentType("text/html;charset=utf-8");
        response.getWriter().write("添加成功" + cost2);
    }

    @RequestMapping("/deleteById")
    public void deleteById(Integer id){
        System.out.println("表现层执行中");
        costService.deleteById(id);
    }
    @RequestMapping("/deleteByName")
    public void deleteByName(String kname){
        System.out.println("表现层执行中");
        costService.deleteByName(kname);
    }

}

（2）范例

3.日期转换类【自定义转换器】

（1）代码块


import org.springframework.core.convert.converter.Converter;

/**
 * 日期类格式转换
 */
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class DateConverter implements Converter<String, Date> {
    @Override
    public Date convert(String s) {
        //1.判断是否为空
        if(s == null){
            System.out.println("数据值为空");
        }
        //2.定义日期格式
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        //3.转换格式
        try {
            return df.parse(s);
        }catch (Exception e){
            throw new RuntimeException("数据不合理");
        }

    }

}

（2）范例

4.springMVC配置文件

（1）代码块

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

    <!-- 开启注解扫描 -->
    <context:component-scan base-package="cn.controller">
        <!-- 设置只扫描Controller -->
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>

    <!-- 配置视图解析器 -->
    <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/pages/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>

    <!-- 设置静态资源不过滤 -->
    <mvc:resources location="/css/" mapping="css/**" />
    <mvc:resources location="/images/" mapping="images/**" />
    <mvc:resources location="/js/" mapping="js/**" />


    <!-- 配置日期转换器 -->
    <bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
        <property name="converters">
            <set>
                <bean class="cn.util.DateConverter"></bean>
            </set>
        </property>
    </bean>

    <!-- 开启springMVC的注解支持 -->
    <mvc:annotation-driven conversion-service="conversionService"/>

（2）范例

5.前端页面

6.成功页面【查询成功跳转页面】

二.spring【业务层】

1.接口类

（1）代码块

import cn.domain.Cost;

import java.util.List;

public interface CostService {
    /**
     * 查询所有
     * @return
     */
    public List<Cost> findAll();

    /**
     * 根据指定名称查询用户
     * @param kname
     * @return
     */
    Cost findByName(String kname);

    /**
     * 添加商品
     * @param cost
     */
    public void addCost(Cost cost);

    /**
     * 根据id删除指定列
     * @param id
     */
    void deleteById(Integer id);

    /**
     * 根据名称删除指定列
     * @param kname
     */
    void deleteByName(String kname);

}

（2）范例

2.实现类

（1）代码块

import cn.dao.CostDao;
import cn.service.CostService;
import cn.domain.Cost;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
@Service("costService")
public class CostServiceImpl implements CostService{
    @Autowired
    private CostDao costDao;

    @Override
    public List<Cost> findAll() {
        System.out.println("执行业务层");
        return costDao.findAll();
    }

    @Override
    public Cost findByName(String kname) {
        return costDao.findByName(kname);
    }

    @Override
    public void addCost(Cost cost) {
        System.out.println("执行业务层");
        costDao.addCost(cost);
    }

    @Override
    public void deleteById(Integer id) {
        System.out.println("执行业务层");
        costDao.deleteById(id);
    }

    @Override
    public void deleteByName(String kname) {
        System.out.println("执行业务层");
        costDao.deleteByName(kname);
    }

}

（2）范例

3.applicationContextService配置文件

（1）代码块

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

    <!-- 导入资源 -->
    <import resource="classpath:spring/applicationContext_dao.xml"/>
    <!-- 业务层配置文件开始 -->
    <!-- 组件扫描 -->
    <context:component-scan base-package="cn.service"/>
    <!-- 配置事务管理器,底层是AOP，AOP又称面向切面，切面指的是切入点和通知的组合 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!-- 配置事务通知 -->
    <tx:advice id="advice">
        <tx:attributes>
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
            <tx:method name="find*"  read-only="true"/>
        </tx:attributes>
    </tx:advice>
    <!-- 配置切面 -->
    <aop:config>
        <aop:pointcut id="pointcut" expression="execution(* *.*.*.*.*(..))"/>
        <aop:advisor advice-ref="advice" pointcut-ref="pointcut"></aop:advisor>
    </aop:config>
    <!-- 业务层配置文件结束 -->

（2）范例

4.log4j配置文件

（1）代码块

# Set root category priority to INFO and its only appender to CONSOLE.
#log4j.rootCategory=INFO, CONSOLE            debug   info   warn error fatal
log4j.rootCategory=debug, CONSOLE, LOGFILE

# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
log4j.logger.org.apache.axis.enterprise=FATAL, CONSOLE

# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

# LOGFILE is set to be a File appender using a PatternLayout.
log4j.appender.LOGFILE=org.apache.log4j.FileAppender
log4j.appender.LOGFILE.File=d:\axis.log
log4j.appender.LOGFILE.Append=true
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout

log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

（2）范例

5.pom.xml

三.dao【持久层】

1.接口类

（1）代码块

import cn.domain.Cost;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.springframework.stereotype.Repository;

import java.util.List;
@Repository("costDao")
public interface CostDao {
    /**
     * 查询所有
     * @return
     */
    public List<Cost> findAll();

    /**
     * 查询指定名称
     * @param kname
     * @return
     */
    Cost findByName(String kname);
    /**
     * 添加商品
     * @param cost
     */
    public void addCost(Cost cost);

    /**
     * 根据id删除指定列
     * @param number
     */
    void deleteById(Integer number);

    /**
     * 根据名称删除指定列
     * @param kname
     */
    void deleteByName(String kname);

}

（2）范例

2.对象类

（1）代码块

import java.io.Serializable;
import java.util.Date;

public class Cost implements Serializable {
    private Integer id;     //主键
    private String kname;    //名称
    private Date kdate;     //日期
    private Double price;   //价格
    private Double p_number;//数量
    private Double money;   //总计

    @Override
    public String toString() {
        return "Cost{" +
                "id=" + id +
                ", kname='" + kname + '\'' +
                ", kdate=" + kdate +
                ", price=" + price +
                ", p_number=" + p_number +
                ", money=" + money +
                '}';
    }

    public String getKname() {
        return kname;
    }

    public void setKname(String kname) {
        this.kname = kname;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }



    public Date getKdate() {
        return kdate;
    }

    public void setKdate(Date kdate) {
        this.kdate = kdate;
    }

    public Double getPrice() {
        return price;
    }

    public void setPrice(Double price) {
        this.price = price;
    }

    public Double getP_number() {
        return p_number;
    }

    public void setP_number(Double p_number) {
        this.p_number = p_number;
    }

    public Double getMoney() {
        return money;
    }

    public void setMoney(Double money) {
        this.money = money;
    }

}

（2）范例

3.applicationContext配置文件【spring框架】

（1）代码块

<?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:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       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/aop
             http://www.springframework.org/schema/aop/spring-aop.xsd
             http://www.springframework.org/schema/tx
             http://www.springframework.org/schema/tx/spring-tx.xsd
             http://www.springframework.org/schema/mvc
             http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- dao层配置文件开始 -->
    <!-- 数据库连接池 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
        <property name="url" value="jdbc:mysql://localhost:3306/father_work"></property>
        <property name="username" value="root"></property>
        <property name="password" value="root"></property>
    </bean>
    <!-- 配置生产sqlSession工厂 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据源 -->
        <property name="dataSource" ref="dataSource"/>

    </bean>

    <!-- 扫描接口的包路径,生成接口包下的所有接口代理对象 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.dao"/>
    </bean>


    <!-- dao层配置文件结束 -->

（2）范例

4.costDao配置文件【mybatis框架】

（1）代码块

<?xml version="1.0" encoding="UTF-8" ?>
        <!DOCTYPE mapper
                PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="cn.dao.CostDao">
<select id="findAll" resultType="cn.domain.Cost">
        select * from kufang
    </select>

<select id="findByName" parameterType="cn.domain.Cost" resultType="cn.domain.Cost">
        select * from kufang where kname = #{kname}
    </select>

<insert id="addCost" parameterType="cn.domain.Cost">
        insert into kufang(kname,kdate,price,p_number,money) values(#{kname},#{kdate},#{price},#{p_number},#{money});
    </insert>

<delete id="deleteById" parameterType="Integer">
        delete from kufang where id = #{number}
    </delete>

<delete id="deleteByName" parameterType="String">
        delete from kufang where kname = #{kname}
    </delete>
</mapper>

（2）范例

四.源码

ssm.rar

萌新小灯笼(英文IDfengmo)

发布了44 篇原创文章 · 获赞 6 · 访问量 5515

私信关注

ssm项目【小白入门级】

零.前期设置

0.项目需求

1.pom.xml依赖

2.父子工程细节1

（1）父工程

（2）子模块

3.模块之间的交互方式【细节2】

（1）代码块

一.springMVC【表现层】

1.web.xml

（1）代码块

2.controller类

（1）代码块

}

3.日期转换类【自定义转换器】

（1）代码块

}

4.springMVC配置文件

（1）代码块

5.前端页面

6.成功页面【查询成功跳转页面】

二.spring【业务层】

1.接口类

（1）代码块

}

2.实现类

（1）代码块

}

3.applicationContextService配置文件

（1）代码块

4.log4j配置文件

（1）代码块

log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

5.pom.xml

三.dao【持久层】

1.接口类

（1）代码块

}

2.对象类

（1）代码块

}

3.applicationContext配置文件【spring框架】

（1）代码块

4.costDao配置文件【mybatis框架】

（1）代码块

（2）范例

四.源码

猜你喜欢