idea使用maven搭建ssm框架实现登陆商品增删改查

创建项目->maven->webapp->输入坐标->完成。

pom.xml

<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>com.david.mySSM</groupId>
    <artifactId>mySSM</artifactId>
    <packaging>war</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>maven ssm</name>
    <url>http://maven.apache.org</url>

    <properties>
        <!-- 设置项目编码编码 -->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <!-- spring版本号 -->
        <spring.version>4.3.5.RELEASE</spring.version>
        <!-- mybatis版本号 -->
        <mybatis.version>3.4.1</mybatis.version>
    </properties>

    <dependencies>
        <!-- java ee -->
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>7.0</version>
        </dependency>

        <!-- 单元测试 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>

        <!-- 实现slf4j接口并整合 -->
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.2.2</version>
        </dependency>

        <!-- JSON -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.8.7</version>
        </dependency>

        <!-- 数据库 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.41</version>
            <scope>runtime</scope>
        </dependency>

        <!-- 数据库连接池 -->
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>

        <!-- MyBatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>

        <!-- mybatis/spring整合包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.1</version>
        </dependency>

        <!-- Spring -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</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-context</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-tx</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-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!--jstl -->
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>mySSM</finalName>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <!-- 设置JDK版本 -->
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
        <!--打包设置 以下文件强行加入编译文件 -->
        <resources>
            <resource>
                <directory>src/main/java</directory>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
            </resource>
        </resources>
    </build>

</project>

index.html

<html>
<head>
    <title>index</title>
</head>
<body>
<a href="/login">登陆</a>
<a href="/product/list">商品管理</a>
</body>
</html>

web.xml

<?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">
  <display-name>mySSM</display-name>

  <!--post乱码 -->
  <filter>
    <filter-name>encoding</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>encoding</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <!-- 配置前端控制器 -->
  <servlet>
    <servlet-name>SpringMVC</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!-- 配置springMVC需要加载的配置文件-->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springMVC.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>

  <!--spring监听器 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>
</web-app>

loginfaild.jsp

<%--
  Created by IntelliJ IDEA.
  User: baidawei
  Date: 2018/5/27
  Time: 下午9:47
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>重试</title>
</head>
<body>
登陆失败啦，账号错误请重试<a href="/login">登陆</a>
</body>
</html>

login.jsp

<%--
  Created by IntelliJ IDEA.
  User: baidawei
  Date: 2018/5/27
  Time: 下午7:42
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>login</title>
</head>
<body>
<form action="/doLogin" method="post">
    用户名：<input name="userName"><br>
    密码：<input name="passWord"><br>
    <button type="submit">提交</button>
</form>
</body>
</html>

product/list.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
    <title>list</title>
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<a href="/product/add" class="btn btn-primary">添加</a>
<table class="table table-hover table-bordered ">
    <tr>
        <td>id</td>
        <td>name</td>
        <td>price</td>
        <td>operation</td>
    </tr>
    <c:forEach items="${list}" var="p">
        <tr>
            <td>${p.id}</td>
            <td>${p.name}</td>
            <td>${p.price}</td>
            <td><a href="/product/edit/${p.id}" class="btn btn-danger">修改</a>|<a href="/product/delete/${p.id}" class="btn btn-info">删除</a></td>
        </tr>
    </c:forEach>
</table>
</body>
</html>

product/edit

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>edit</title>
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<form action="/product/editData" method="post">
    <div class="form-group">
        <label for="name">name</label>
        <input class="form-control" id="name" name="name"  value="${p.name}" placeholder="name">
    </div>
    <div class="form-group">
        <label for="price">price</label>
        <input class="form-control" id="price" name="price" value="${p.price}" placeholder="price">
    </div>
    <input name="id" value="${p.id}">
    <button type="submit" class="btn btn-default">提交</button>
</form>
</body>
</html>

product/add

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>add</title>
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<form action="/product/addData" method="post">
    <div class="form-group">
        <label for="name">name</label>
        <input class="form-control" id="name" name="name" placeholder="name">
    </div>
    <div class="form-group">
        <label for="price">price</label>
        <input class="form-control" id="price" name="price" placeholder="price">
    </div>
    <button type="submit" class="btn btn-default">提交</button>
</form>
</body>
</html>

SqlMapConfig.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>
    <!-- 设置别名 -->
    <typeAliases>
        <package name="com.david.pojo"/>
    </typeAliases>
</configuration>

springMVC.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-3.0.xsd">

    <!-- 扫描controller -->
    <context:component-scan base-package="com.david.controller"/>

    <!-- 扫描service -->
    <context:component-scan base-package="com.david.service"/>

    <!-- 开启注解模式 -->
    <mvc:annotation-driven/>

    <!-- 解决静态资源无法被springMVC处理的问题 -->
    <mvc:default-servlet-handler />

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

    <!--登陆拦截器 -->
    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/product/*"/>
            <bean class="com.david.utils.MyInterceptor"></bean>
        </mvc:interceptor>
    </mvc:interceptors>

</beans>

jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/david2018_db?characterEncoding=utf-8
jdbc.username=root
jdbc.password=1234

applicationContext.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"
       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">

    <!-- 加载配置文件-->
    <context:property-placeholder location="classpath:jdbc.properties"/>

    <!-- 数据库连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>

    <!-- 配置SqlSessionFactory对象 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--mybatis核心文件 -->
        <property name="configLocation" value="classpath:SqlMapConfig.xml"></property>
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 配置Mapper扫描 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.david.mapper" />
    </bean>

    <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 配置基于注解的声明式事务 -->
    <tx:annotation-driven transaction-manager="transactionManager"/>

</beans>

MyInterceptor

package com.david.utils;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class MyInterceptor implements HandlerInterceptor {
    /**
     * controller执行前调用此方法
     * 返回true表示继续执行，返回false终止执行 这里可以加入登陆校验、权限拦截等
     */
    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {

        String userName = (String) httpServletRequest.getSession().getAttribute("userName");
        if(userName != "" && userName != null){
            return true;
        }
        httpServletResponse.sendRedirect("/login");
        return false;
    }

    /**
     * controller执行后但未返回视图前调用此方法
     * 这里可在返回用户前对模型数据进行加工处理 比如可以加入共用信息以便页面显示
     */
    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
        System.out.print("postHandle");
    }

    /**
     * controller执行后且试图返回后调用此方法
     * 这里可得到执行controller时的异常信息 也可以记录日志
     */
    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
        System.out.print("afterCompletion");
    }
}

UserServiceImpl

package com.david.service;

import com.david.mapper.UserMapper;
import com.david.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private UserMapper mapper;

    @Override
    public User GetUserByNameAndPass(User user) {
        return mapper.GetUserByNameAndPass(user);
    }
}

UserService

package com.david.service;

import com.david.pojo.User;

public interface UserService {
    User GetUserByNameAndPass(User user);
}

ProductServiceImpl

package com.david.service;

import com.david.mapper.ProductMapper;
import com.david.pojo.Product;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.transaction.Transactional;

@Service
@Transactional
public class ProductServiceImpl implements ProductService {

    @Autowired
    private ProductMapper mapper;

    @Override
    public List<Product> GetProductList() {
        return mapper.GetProductList();
    }

    @Override
    public Product GetProductById(Integer id) {
        return mapper.GetProductById(id);
    }

    @Override
    public void addProduct(Product product) {
        mapper.addProduct(product);
    }

    @Override
    public void updateProduct(Product product) {
        mapper.updateProduct(product);
    }

    @Override
    public void deleteProduct(Integer id) {
        mapper.deleteProduct(id);
    }
}

ProductService

package com.david.service;

import com.david.pojo.Product;
import java.util.List;

public interface ProductService {
    List<Product> GetProductList();

    Product GetProductById(Integer id);

    void addProduct(Product product);

    void updateProduct(Product product);

    void deleteProduct(Integer id);
}

User

package com.david.pojo;

public class User {
    private Integer UserId;
    private String UserName;
    private String PassWord;

    public User() {
    }

    public Integer getUserId() {
        return UserId;
    }

    public void setUserId(Integer userId) {
        UserId = userId;
    }

    public String getUserName() {
        return UserName;
    }

    public void setUserName(String userName) {
        UserName = userName;
    }

    public String getPassWord() {
        return PassWord;
    }

    public void setPassWord(String passWord) {
        PassWord = passWord;
    }
}

Product

package com.david.pojo;

public class Product {
    private Integer id;
    private String name;
    private String price;

    public Product() {
    }

    public Product(Integer id, String name, String price) {
        this.id = id;
        this.name = name;
        this.price = price;
    }

    public Product(String name, String price) {
        this.name = name;
        this.price = price;
    }

    public Integer getId() {
        return id;
    }

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

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPrice() {
        return price;
    }

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

UserMapper.xml

<?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="com.david.mapper.UserMapper">
    <select id="GetUserByNameAndPass" resultType="User" parameterType="User">
        select * from User where userName = #{userName} and PassWord = #{PassWord}
    </select>
</mapper>

UserMappper

package com.david.mapper;

import com.david.pojo.User;

public interface UserMapper {
    User GetUserByNameAndPass(User user);
}

ProductMapper.xml

<?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="com.david.mapper.ProductMapper">
    <select id="GetProductList" resultType="Product">
        select * from Product
    </select>
    <select id="GetProductById" parameterType="Integer" resultType="Product">
        select * from Product where id = #{id}
    </select>
    <insert id="addProduct" parameterType="Product">
        insert into product (name,price) values(#{name},#{price})
    </insert>
    <update id="updateProduct" parameterType="Product">
        update product set name = #{name},price = #{price} where id = #{id}
    </update>
    <delete id="deleteProduct" parameterType="Integer">
        delete from product where id = #{id}
    </delete>
</mapper>

ProductMapper

package com.david.mapper;

import com.david.pojo.Product;
import java.util.List;

public interface ProductMapper {
    List<Product> GetProductList();
    Product GetProductById(Integer id);
    void addProduct(Product product);
    void updateProduct(Product product);
    void deleteProduct(Integer id);
}

ProductController

package com.david.controller;

import com.david.pojo.Product;
import com.david.service.ProductService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;

import java.util.List;

@Controller
@RequestMapping("/product")
public class ProductController {

    @Autowired
    private ProductService productService;

    @RequestMapping("/list")
    public String list(Model model){
        List<Product> pro = productService.GetProductList();
        model.addAttribute("list",pro);
        return "product/list";
    }

    @RequestMapping("/add")
    public String add(){
        return "product/add";
    }
    @RequestMapping("/addData")
    public String addData(Product p){
        productService.addProduct(p);
        return "redirect:/product/list";
    }

    @RequestMapping("/edit/{id}")
    public String edit(@PathVariable() Integer id,Model model){
        Product p = productService.GetProductById(id);
        model.addAttribute("p",p);
        return "product/edit";
    }

    @RequestMapping("/editData")
    public String editData(Product p){
        productService.updateProduct(p);
        return "redirect:/product/list";
    }

    @RequestMapping("/delete/{id}")
    public String delete(@PathVariable() Integer id){
        productService.deleteProduct(id);
        return "redirect:/product/list";
    }
}

LoginController

package com.david.controller;

import com.david.pojo.User;
import com.david.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletRequest;

@Controller
public class LoginController {
    @Autowired
    private UserService userService;

    @RequestMapping("/login")
    public String login(){
        return "login";
    }

    @RequestMapping("/doLogin")
    public String doLogin(HttpServletRequest request){
        String userName = request.getParameter("userName");
        String passWord = request.getParameter("passWord");

        User u = new User();
        u.setUserName(userName);
        u.setPassWord(passWord);

        User user = userService.GetUserByNameAndPass(u);

        if(user != null){
            request.getSession().setAttribute("userName",userName);
            return "redirect:/product/list";
        }else{
            return "redirect:/loginFaild";
        }

    }
    @RequestMapping("/loginFaild")
    public String loginFaild(){
        return "loginFaild";
    }
}

jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/david2018_db?characterEncoding=utf-8
jdbc.username=root
jdbc.password=1234