搭建SSH开发框架

Posted 2020-11-03 连先森

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一、准备工作

　　1.java(1.8)

　　2.mysql(mysql-5.6.40-winx64)

　　3.maven(apache-maven-3.5.3)

　　4.tomcat(apache-tomcat-7.0.82)

二、项目总体结构

三、项目文件

package org.ssh.product.action;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import org.ssh.product.model.Product;
import org.ssh.product.service.ProductService;
 
import com.opensymphony.xwork2.ActionSupport;
 
/**
 * 商品操作-控制层
 *
 */
@Controller
@Scope("prototype")
public class ProductAction extends ActionSupport {
 
    private static final long serialVersionUID = 1L;
     
    @Autowired
    private ProductService productService;
     
    private String pname;
    private double price;
     
    /**
     * 保存商品操作
     *
     * @return
     */
    public String saveProduct() {
         
        Product product = new Product(pname, price);
        productService.saveProduct(product);
         
        this.addActionMessage("保存成功...");
        return SUCCESS;
         
    }
 
    public String getPname() {
        return pname;
    }
 
    public void setPname(String pname) {
        this.pname = pname;
    }
 
    public double getPrice() {
        return price;
    }
 
    public void setPrice(double price) {
        this.price = price;
    }
     
    @Override
    public void validate() {
         
        if(pname == null || "".equals(pname.trim())) {
            this.addFieldError("pname", "商品名称不能为空");
        }
         
    }
     
}

ProductAction

package org.ssh.product.dao;

import org.ssh.product.model.Product;

public interface ProductDao {
     void saveProduct(Product product);
}

ProductDao

package org.ssh.product.dao.impl;
 
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.orm.hibernate5.HibernateTemplate;
import org.springframework.stereotype.Repository;
import org.ssh.product.dao.ProductDao;
import org.ssh.product.model.Product;
 
/**
 * 商品信息-服务层实现
 *
 */
@Repository
public class ProductDaoImpl implements ProductDao {
 
    private HibernateTemplate template;
     
    @Autowired
    public ProductDaoImpl(SessionFactory sessionFactory) {
         
        this.template = new HibernateTemplate(sessionFactory);
         
    }
 
    @Override
    public void saveProduct(Product product) {
         
        template.save(product);
         
    }
 
}

ProductDaoImpl

package org.ssh.product.model;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;

import org.hibernate.annotations.GenericGenerator;
@Entity
public class Product {
    @Id
    @GeneratedValue(generator = "pid")
    @GenericGenerator(name = "pid", strategy = "native")
    private int pid;// 商品ID
    @Column(length = 100)
    private String pname;// 商品名称
    private double price;// 商品价格
     
    public Product() {
         
    }
     
    public Product(String pname, double price) {
 
        this.pname = pname;
        this.price = price;
         
    }
     
    public int getPid() {
        return pid;
    }
     
    public void setPid(int pid) {
        this.pid = pid;
    }
     
    public String getPname() {
        return pname;
    }
     
    public void setPname(String pname) {
        this.pname = pname;
    }
     
    public double getPrice() {
        return price;
    }
     
    public void setPrice(double price) {
        this.price = price;
    }
}

Product

package org.ssh.product.service;

import org.ssh.product.model.Product;

public interface ProductService {
     void saveProduct(Product product);
}

ProductService

package org.ssh.product.service.impl;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.ssh.product.dao.ProductDao;
import org.ssh.product.model.Product;
import org.ssh.product.service.ProductService;
 
@Service
public class ProductServiceImpl implements ProductService {
 
    @Autowired
    private ProductDao productDao;
     
    @Override
    public void saveProduct(Product product) {
 
        productDao.saveProduct(product);
 
    }
 
}

ProductServiceImpl

<?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">
         
    <!-- 开启包扫描，并注册注解 -->
    <context:component-scan base-package="org.ssh.*"/>
     
    <!-- 引入属性文件 -->
    <context:property-placeholder location="classpath:jdbc.properties"/>
     
    <!-- 配置C3P0连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <!-- 数据库连接相关信息 -->
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="driverClass" value="${jdbc.driverClass}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>
     
    <!-- 配置Hibernate的SessionFactory -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
        <!-- 注入连接池 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 配置Hibernate属性 -->
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.show_sql">true</prop><!-- 是否展示SQL -->
                <prop key="hibernate.hbm2ddl.auto">update</prop><!-- 是否自动创建表结构 -->
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</prop>
            </props>
        </property>
        <!-- 扫描并加载注解过的实体类 -->
        <property name="packagesToScan" value="org.ssh.*.model"/>
    </bean>
     
    <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
        <!-- 注入SessionFactory -->
        <property name="sessionFactory" ref="sessionFactory"/>
    </bean>
     
    <!-- 配置事务增强 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <!-- 配置需要进行事务管理的方法，和事务传播行为 -->
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>
     
    <!-- 配置切面 -->
    <aop:config>
        <!-- 配置切入点
            * org.ssh.service.*+.*(..)
                *：表示方法的作用域，*表示所有
                org.ssh.service.*：表示org.ssh.service下的任何包
                org.ssh.service.*+：表示org.ssh.service下的任何包及其子包
                *(..)：*表示任何方法，(..)表示方法的任何参数
         -->
        <aop:pointcut id="pointcut" expression="execution(* org.ssh.*.service.*+.*(..))"/>
        <!-- 适配切入点和事务增强 -->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut"/>
    </aop:config>
         
</beans>

applicationContext.xml

jdbc.url=jdbc:mysql:///mydb?useSSL=true&characterEncoding=UTF-8
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.username=root
jdbc.password=

jdbc.properties

log4j.rootCategory=INFO, console
 
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %5p %t %c{2}:%L - %m%n

log4j.properties

invalid.fieldvalue.price = \\u5546\\u54c1\\u4ef7\\u683c\\u8f93\\u5165\\u683c\\u5f0f\\u6709\\u8bef

messageResource.properties

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
    "http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>
 
    <!-- 默认访问页面 -->
    <package name="default" extends="struts-default" namespace="/">
        <default-action-ref name="default"/>
        <action name="default">
            <result>/WEB-INF/view/index.jsp</result>
        </action>
    </package>
 
    <!-- 商品相关请求转发 -->
    <!-- Struts2在2.5版本后添加strict-method-invocation(严格方法访问)，默认为true，不能使用动态方法调用功能，故需设为false -->
    <package name="product" extends="struts-default" namespace="/" strict-method-invocation="false">
        <!-- 保存商品 -->
        <action name="product_*" class="productAction" method="{1}Product">
            <result name="success">WEB-INF/view/product_{1}_success.jsp</result>
            <result name="error">WEB-INF/view/error.jsp</result>
        </action>
    </package>
     
    <!-- 引入资源文件 -->
    <constant name="struts.custom.i18n.resources" value="messageResource"></constant>
 
</struts>

struts.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>ssh</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>
<!-- 配置Struts2过滤器 -->
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
     
    <!-- 配置Spring的监听器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
     
    <!-- 指定Spring配置文件所在路径 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>  
</web-app>

web.xml

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!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=UTF-8">
<title>新增商品界面</title>
</head>
<body>
    <h1>新增商品</h1>
    <s:actionmessage/>
    <s:form action="product_save" method="post" namespace="/" theme="simple">
        <table width="600px">
            <tr>
                <th>商品名称</th>
                <td><s:textfield name="pname"/></td>
                <td><font color="red"><s:fielderror fieldName="pname"/></font></td>
            </tr>
            <tr>
                <th>商品价格</th>
                <td><s:textfield name="price"/></td>
                <td><font color="red"><s:fielderror fieldName="price"/></font></td>
            </tr>
            <tr>
                <th colspan="2">
                    <input type="submit" value="保存"/>
                </th>
                <th> </th>
            </tr>
        </table>
    </s:form>
</body>
</html>

index.jsp

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