SSM项目实现登录注册和CRUD(附源码)

/*
 Navicat Premium Data Transfer

 Source Server         : localhost_3305
 Source Server Type    : MySQL
 Source Server Version : 50651 (5.6.51)
 Source Host           : localhost:3305
 Source Schema         : ssm

 Target Server Type    : MySQL
 Target Server Version : 50651 (5.6.51)
 File Encoding         : 65001

 Date: 12/01/2024 20:01:14
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for account
-- ----------------------------
DROP TABLE IF EXISTS `account`;
CREATE TABLE `account`  (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `money` double NULL DEFAULT NULL,
  `date` date NULL DEFAULT NULL,
  `head` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `password` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 11 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;

-- ----------------------------
-- Records of account
-- ----------------------------
INSERT INTO `account` VALUES (1, '杨逍1', 10000, '2023-01-01', 'u=897851687,2835494130&fm=253&fmt=auto&app=138&f=JPEG.webp', '111');
INSERT INTO `account` VALUES (2, '延期', 10000, '2023-01-01', 'u=4251408926,3626211699&fm=253&fmt=auto&app=138&f=JPEG.webp', '111');
INSERT INTO `account` VALUES (6, '张无忌', 200, '2024-01-03', 'u=4251408926,3626211699&fm=253&fmt=auto&app=138&f=JPEG.webp', '111');
INSERT INTO `account` VALUES (10, 'admin', 100, '2024-01-11', 'u=4251408926,3626211699&fm=253&fmt=auto&app=138&f=JPEG.webp', '111');

-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user`  (
  `id` int(10) UNSIGNED NOT NULL AUTO_INCREMENT,
  `username` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `password` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 6 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;

-- ----------------------------
-- Records of user
-- ----------------------------
INSERT INTO `user` VALUES (1, 'admin', '111');
INSERT INTO `user` VALUES (2, 'admin2', '111');
INSERT INTO `user` VALUES (3, 'admin3', '111');
INSERT INTO `user` VALUES (4, '红红', '111');
INSERT INTO `user` VALUES (5, 'text', '111');

SET FOREIGN_KEY_CHECKS = 1;

三、reources

3.1 applicationContext-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       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
       https://www.springframework.org/schema/aop/spring-aop.xsd">
    <!--加载配置文件-->
    <context:property-placeholder location="classpath:db.properties"></context:property-placeholder>
    <!--dataSource-->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
          destroy-method="close">
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
        <property name="driverClassName" value="${jdbc.driver}" />
    </bean>

    <!--sqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

    <!--扫描mapper接口生成代理类，并交给spring的ioc容器管理-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.by.mapper"></property>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    </bean>
</beans>

3.2 applicationContext-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       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
       https://www.springframework.org/schema/aop/spring-aop.xsd">
    <!--配置spring要扫描的包-->
    <context:component-scan base-package="com.by.service"></context:component-scan>

    <!--导入配置文件
    <import resource="classpath:applicationContext-dao.xml"></import>
    <import resource="classpath:applicationContext-tx.xml"></import>
    -->
</beans>

3.3 applicationContext-tx.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       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
       https://www.springframework.org/schema/aop/spring-aop.xsd">
    <!--事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

    <!--开启spring事务注解的支持-->
    <tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>
   <!--
    &lt;!&ndash;增强：要搞的事情，eg：日志、事务&ndash;&gt;
    <tx:advice id="txManager" transaction-manager="transactionManager">
        <tx:attributes>
            &lt;!&ndash;
                隔离级别：默认值REPEATABLE_READ，mysql默认隔离级别
                传播行为：默认值REQUIRED，有就加入，没有则新建
                超时：默认值-1，永不超时
                是否只读：默认值false，加log适合增删改
                回滚规则：可省略，所有异常都回滚
            &ndash;&gt;
            <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="*"/>
        </tx:attributes>
    </tx:advice>
    <aop:config>
        &lt;!&ndash;切点：要增强的方法&ndash;&gt;
        <aop:pointcut id="pointcut" expression="execution(* com.by.service.*.*(..))"/>
        &lt;!&ndash;切面：把增强应用到切点上&ndash;&gt;
        <aop:advisor advice-ref="txManager" pointcut-ref="pointcut"></aop:advisor>
    </aop:config>
    -->
</beans>

3.4 db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3305/ssm?characterEncoding=utf-8
jdbc.username=root
jdbc.password=

3.5 log4j.properties

log4j.rootLogger=DEBUG,A1

log4j.appender.A1=org.apache.log4j.ConsoleAppender
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} - %c%l%m%n

3.6 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:p="http://www.springframework.org/schema/p"
       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/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">
    <!--
        DispatcherServlet(前端控制器)：扫描controller，接受请求
        HandlerMapping(处理器映射器)：查找handler
        HandlerAdaptor(处理器适配器)：调用handler
        ViewResolver(视图解析器)：解析jsp的具体路径
        view(视图渲染器)：把数据填充到request，跳转页面
    -->
    <!--配置springmvc要扫描的包-->
    <context:component-scan base-package="com.by.controller"></context:component-scan>

    <!--开启springmvc注解的支持：HandlerMapping和HandlerAdaptor-->
    <mvc:annotation-driven conversion-service="cs"></mvc:annotation-driven>

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

    <!-- 配置类型转换器工厂 -->
    <bean id="cs" class="org.springframework.context.support.ConversionServiceFactoryBean">
        <!-- 给工厂注入一个新的类型转换器 -->
        <property name="converters">
            <set>
                <!-- 配置自定义类型转换器 -->
                <bean class="com.by.converter.DateConverter"></bean>
            </set>
        </property>
    </bean>

    <!--配置文件上传解析器-->
    <bean id="multipartResolver"
          class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="maxUploadSize" value="5242880" />
        <property name="defaultEncoding" value="UTF-8" />
    </bean>
    
    <!--配置静态资源映射：访问图片时不进入前端控制器-->
    <mvc:resources mapping="/head/**" location="/head/"></mvc:resources>
<!--    配置拦截器-->
    <mvc:interceptors>
        <mvc:interceptor>
            <!-- 匹配的是url路径 -->
<!--            1. 先拦截所有请求-->
            <mvc:mapping path="/**"></mvc:mapping>
<!--            2. 将登录和注册的路径放行-->
            <mvc:exclude-mapping path="/account/loginServlet"/>
            <mvc:exclude-mapping path="/user/toZhuce"/>
            <mvc:exclude-mapping path="/user/Zhuce"/>
            <bean class="com.by.interceptor.LoginInterceptor"></bean>
        </mvc:interceptor>
    </mvc:interceptors>
</beans>

四、pom.xml

<?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.by</groupId>
    <artifactId>ssm</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <properties>
        <spring.version>5.1.8.RELEASE</spring.version>
        <slf4j.version>1.6.6</slf4j.version>
        <log4j.version>1.2.12</log4j.version>
        <mysql.version>5.1.47</mysql.version>
        <mybatis.version>3.4.5</mybatis.version>
        <druid.version>1.1.0</druid.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</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>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!--mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.0</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.0</version>
        </dependency>
        <!--jsp-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</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>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <!--文件上传-->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.1</version>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <!-- 配置Tomcat插件 -->
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <!--端口号-->
                    <port>8080</port>
                    <!--项目名-->
                    <path>/</path>
                    <!--按UTF-8进行编码-->
                    <uriEncoding>UTF-8</uriEncoding>
                </configuration>
            </plugin>
        </plugins>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
            </resource>
        </resources>
    </build>
</project>

五、JSP页面

5.1 index.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
  <title>登录界面</title>
</head>
<body>
<h2 class="dl">登录界面</h2>
  <form action="/account/loginServlet" method="post"  class="was-validated">
      用户名：<input type="text" name="name"><br>
      密&nbsp;&nbsp;&nbsp;&nbsp;码：<input type="text" name="password"><br>
      验证码 :<input  type="text" name="checkCode"/><br/>
      <img alt="验证码" id="imagecode" src="<%= request.getContextPath()%>/imageServlet"/>
      <input type="submit" value="提交"><hr>
      还没有账户？点击<a href="/user/toZhuce">这里</a>注册

  </div>`
</form>
</body>
<!-- 新 Bootstrap4 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">

<!-- jQuery文件。务必在bootstrap.min.js 之前引入 -->
<script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>

<!-- bootstrap.bundle.min.js 用于弹窗、提示、下拉菜单，包含了 popper.min.js -->
<script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>

<!-- 最新的 Bootstrap4 核心 JavaScript 文件 -->
<script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</html>

5.2 add_account.jsp

<%--
  Created by IntelliJ IDEA.
  User: Hero
  Date: 2024/1/10
  Time: 17:19
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<h2>新增账户</h2>
<form action="/account/addAccount" method="post" enctype="multipart/form-data">
    账号：<input type="text" name="name"><br>
    金额：<input type="text" name="money"><br>
    日期：<input type="text" name="date"><br>
    头像：<input type="file" name="img"><br>
    <input type="submit" value=" 保  存 ">
</form>
</body>
</html>

5.3 select_account.jsp

<%--
  Created by IntelliJ IDEA.
  User: Hero
  Date: 2024/1/10
  Time: 15:55
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<html>
<head>
    <title>Title</title>
    <style>
        #boby1 {
            height: 200px;
            background-image: linear-gradient(to right, pink , powderblue);
        }
        h2.cx {
            position:relative;
            left:560px;
            top:30px;
        }
        h3 {
            position: relative;
            left: 400px;
            top: 40px;
        }
        table.table{
            text-align:center;
        }

    </style>
</head>

<body id="boby1">
<!-- 新 Bootstrap4 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">

<!-- jQuery文件。务必在bootstrap.min.js 之前引入 -->
<script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>

<!-- bootstrap.bundle.min.js 用于弹窗、提示、下拉菜单，包含了 popper.min.js -->
<script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>

<!-- 最新的 Bootstrap4 核心 JavaScript 文件 -->
<script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
<h2 class="cx">查询所有账户</h2>
<h2 class="admin">欢迎${sessionScope.account1.name}登录</h2>
<h3><a href="/account/toAddAccount">新增账户</a></h3>
<form action="/account/sou" method="post">
   输入关键字查询： <input type="text" name="name" placeholder="输入姓名查询">
    <button type="submit">搜索</button>
</form>
<form  action="/account/deleteAccountByIds" method="post">
<input type="submit" value="批量删除">
<table class=" table table-bordered">
    <tr>
        <th><input type="checkbox" id="checkAll">全选</th>
        <th>姓名</th>
        <th>金额</th>
        <th>日期</th>
        <th>头像</th>
        <th>操作</th>
    </tr>
    <c:forEach items="${accountList}" var="account">
        <tr>
            <td><input type="checkbox" name="id" value="${account.id}"></td>
            <td>${account.name}</td>
            <td>${account.money}</td>
            <td><fmt:formatDate value="${account.date}" pattern="yyyy-MM-dd"></fmt:formatDate></td>
            <td><img src="/head/${account.head}" height="40px" width="50px"></td>
            <td><a href="/account/updateAccount?id=${account.id}">修改</a>
                <a href="/account/deleteAccount?id=${account.id}">删除</a>
            </td>
        </tr>
    </c:forEach>
</table>
</form>
</body>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
<script type="text/javascript">
    $(document).ready(function() {
        $("#checkAll").click(function() {
            $("input[name='id']").each(function() {
                $(this).prop("checked", !$(this).prop("checked"));
            });
        });
    });
</script>
</html>

5.4 update.jsp

<%--
  Created by IntelliJ IDEA.
  User: 黄远超
  Date: 2024/1/10
  Time: 20:54
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<h2>修改账户</h2>
<form action="/account/updateAccountById" method="post" enctype="multipart/form-data">
<%--    id:<input type="text" name="id"><br>--%>
    姓名：<input type="text" name="name"><br>
    金额：<input type="text" name="money"><br>
    日期：<input type="text" name="date"><br>
    头像：<input type="file" name="img"><br>
    <input type="submit" value=" 保  存 ">
</form>
</body>
</html>

5.5 zhuce.jsp

<%--
  Created by IntelliJ IDEA.
  User: 黄远超
  Date: 2024/1/12
  Time: 11:15
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
  <form action="/user/Zhuce" method="post">
    账号:<input type="text" name="username"><br>
    密码:<input type="text" name="password"><br>
        <input type="submit" value="注册">
  </form>
</body>
</html>

5.6 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_4_0.xsd"
         version="4.0">
    <!--配置监听器，启动spring-->
    <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>
    <!--配置前端控制器启动springmvc-->
    <servlet>
        <servlet-name>springmvc</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>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>
            org.springframework.web.filter.CharacterEncodingFilter
        </filter-class>
        <!-- 设置过滤器中的属性值 -->
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <!-- 过滤所有请求 -->
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <servlet>
        <servlet-name>imageServlet</servlet-name>
        <servlet-class>com.by.servlet.ImageServlet</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>imageServlet</servlet-name>
        <url-pattern>/imageServlet</url-pattern>
    </servlet-mapping>
</web-app>

六、源代码

6.1 controller

① AccountController

package com.by.controller;

import com.by.pojo.Account;
import com.by.service.AccountService;
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 org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

/**
 * 注意：1.一次只写一层
 */
@Controller
@RequestMapping("/account")
public class AccountController {

    @Autowired
    private AccountService accountService;

    @RequestMapping("/selectAccount")
    public String selectAccount(Model model) {
        List<Account> accountList = accountService.selectAccount();
        model.addAttribute("accountList", accountList);
        return "select_account";
    }

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

    @RequestMapping("/addAccount")
    public String addAccount(Account account, MultipartFile img, HttpServletRequest request) throws IOException {
        //1.获得tomcat的路径
        String realPath = request.getSession().getServletContext().getRealPath("/head/");
        //2.创建目录
        File file = new File(realPath);
        if (!file.exists()) {
            file.mkdirs();
        }
        //3.上传图片
        String filename = img.getOriginalFilename();
        img.transferTo(new File(realPath, filename));

        account.setHead(filename);
        accountService.addAccount(account);
        return "redirect:/account/selectAccount";
    }

    //    删除员工
    @RequestMapping("/deleteAccount")
    public String deleteAccount(HttpServletRequest request) {
        String id1 = request.getParameter("id");
        int id = Integer.parseInt(id1);
        accountService.deleteAccount(id);
        return "redirect:/account/selectAccount";
    }

    //    修改员工信息
    @RequestMapping("/updateAccount")
    public String updateAccount(Model model, HttpServletRequest request) {
        String id1 = request.getParameter("id");
        int id = Integer.parseInt(id1);
        HttpSession httpSession = request.getSession();
        httpSession.setAttribute("id", id);
        return "/update";
    }

    //    修改
    @RequestMapping("/updateAccountById")
    public String updateAccountById(HttpServletRequest request, Account account, MultipartFile img) throws IOException, ParseException {
        //1.获得tomcat的路径
        String realPath = request.getSession().getServletContext().getRealPath("/head/");
        //2.创建目录
//        File file = new File(realPath);
//        if(!file.exists()){
//            file.mkdirs();
//        }
        //3.上传图片
        String filename = img.getOriginalFilename();
        img.transferTo(new File(realPath, filename));

        account.setHead(filename);
//        int id = Integer.parseInt(request.getParameter("id"));
        HttpSession httpSession = request.getSession();
        int id = (int) httpSession.getAttribute("id");
        String date = request.getParameter("date");
        SimpleDateFormat sim = new SimpleDateFormat("yyyy-MM-dd");
        Date date1 = sim.parse(date);
        String name = request.getParameter("name");
        Double money = Double.valueOf(request.getParameter("money"));
        account.setDate(date1);
        account.setName(name);
        account.setMoney(money);
        account.setId(id);
        accountService.updateAccountById(account);
        return "redirect:/account/selectAccount";
    }

    //    模糊查询
    @RequestMapping("/sou")
    public String sou(Model model, String name) {
        List<Account> accountList = accountService.sou(name);
        model.addAttribute("accountList", accountList);
        return "select_account";
    }
// 批量删除
    @RequestMapping("/deleteAccountByIds")
    public String deleteAccountByIds(Integer[] id){
      accountService.deleteAccountByIds(id);
      return  "redirect:/account/selectAccount";
    }



    @RequestMapping("/loginServlet")
    public String loginServlet(HttpServletRequest request, Model model, Account account, HttpServletResponse response) throws IOException {
        //用于验证验证码

        String piccode = (String) request.getSession().getAttribute("piccode");

        String checkCode = request.getParameter("checkCode");
        response.setContentType("text/html;charset=utf-8");//解决乱码问题
        if (checkCode.equalsIgnoreCase(piccode)) {
            Account account1 = accountService.loginServlet(account);
            if (account1 != null) {
                HttpSession httpSession = request.getSession();
                httpSession.setAttribute("account1",account1);
                return "redirect:/account/selectAccount";
            } else {

                return "forward:/index.jsp";
            }
        } else {
            return "forward:/index.jsp";
        }
    }
}

②UserController

/*
 * Copyright (c) 2020, 2024, webrx.cn All rights reserved.
 *
 */
package com.by.controller;

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

/**
 * <p>Project: ssm - UserController</p>
 * <p>Powered by webrx On 2024-01-12 11:14:36</p>
 * <p>描述：<p>
 *
 * @author 简单遗忘 [[email protected]]
 * @version 1.0
 * @since 17
 */
@Controller
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;


// 注册
    @RequestMapping("/toZhuce")
    public String toZhuce(){
        return "/zhuce";
    }
// 注册业务
    @RequestMapping("/Zhuce")
    public String Zhuce(User user){
        userService.Zhuce(user);
        return "redirect:/index.jsp";
    }

}

6.2 converter

①DateConverter

package com.by.converter;

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

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class DateConverter implements Converter<String, Date> {
    @Override
    public Date convert(String source) {
        try {
            DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
            return format.parse(source);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}

6.3 interceptor


package com.by.interceptor;


import com.by.pojo.Account;
import com.by.pojo.User;
import org.springframework.web.servlet.HandlerInterceptor;

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

public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        Account account = (Account) request.getSession().getAttribute("account1");
        if(account!=null){
            return true;
        }else {
            response.sendRedirect("/index.jsp");
            return false;
        }

    }
}

6.4 mapper

①AccountMapper

package com.by.mapper;

import com.by.pojo.Account;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface AccountMapper {
    List<Account> selectAccount();

    void addAccount(Account account);

    void deleteAccount(Integer id);

    void updateAccountById(Account account);

    List<Account> sou(String name);

    Account loginServlet(Account account);

    void deleteAccountByIds( @Param("ids") Integer[] id);
}

②AccountMapper.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.by.mapper.AccountMapper">
    <select id="selectAccount" resultType="com.by.pojo.Account">
        SELECT * FROM account
    </select>

    <insert id="addAccount" parameterType="com.by.pojo.Account">
        INSERT INTO account(name, money, date, head) VALUES(#{name}, #{money}, #{date}, #{head})
    </insert>

    <delete id="deleteAccount" parameterType="int">
        delete from account where id=#{id}
    </delete>

    <update id="updateAccountById" parameterType="com.by.pojo.Account">
        UPDATE account set name=#{name},money=#{money},date=#{date},head=#{head} WHERE id=#{id}
    </update>

    <select id="sou" resultType="com.by.pojo.Account" parameterType="string">
        select * from account where name like '%${value}%'<!--${}括号中只能是value-->
    </select>

    <select id="loginServlet" resultType="com.by.pojo.Account" parameterType="com.by.pojo.Account">
        select * from account where name=#{name} and password=#{password}
    </select>

    <delete id="deleteAccountByIds" parameterType="int[]">
        delete  from account where id in
            <foreach collection="ids" item="id" open="(" close=")" separator=",">
                #{id}
            </foreach>
    </delete>
</mapper>

③UserMapper

package com.by.mapper;

import com.by.pojo.User;


public interface UserMapper {
    void Zhuce(User user);
}

④UserMapper.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.by.mapper.UserMapper">
    <insert id="Zhuce" parameterType="com.by.pojo.Account">
        INSERT INTO user(username, password) VALUES(#{username}, #{password})
    </insert>
</mapper>

6.5 pojo

①Account

package com.by.pojo;

import java.util.Date;

public class Account {
    private Integer id;
    private String name;
    private Double money;
    private Date date;
    private String head;
    private String password;

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getHead() {
        return head;
    }

    public void setHead(String head) {
        this.head = head;
    }

    public Date getDate() {
        return date;
    }

    public void setDate(Date date) {
        this.date = date;
    }

    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 Double getMoney() {
        return money;
    }

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

}

②User

/*
 * Copyright (c) 2020, 2024, webrx.cn All rights reserved.
 *
 */
package com.by.pojo;

/**
 * <p>Project: ssm - User</p>
 * <p>Powered by webrx On 2024-01-12 11:20:57</p>
 * <p>描述：<p>
 *
 * @author 简单遗忘 [[email protected]]
 * @version 1.0
 * @since 17
 */
public class User {
    private Integer id;
    private String username;
    private String password;

    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", username='" + username + '\'' +
                ", password='" + password + '\'' +
                '}';
    }

    public Integer getId() {
        return id;
    }

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

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }
}

6.6 service

①AccountService

package com.by.service;

import com.by.pojo.Account;

import java.util.List;

public interface AccountService {
    List<Account> selectAccount();

    void addAccount(Account account);

    void deleteAccount(Integer id);

    void updateAccountById(Account account);

    List<Account> sou(String name);

    Account loginServlet(Account account);

    void deleteAccountByIds(Integer[] id);
}

②AccountServiceImpl

package com.by.service;

import com.by.mapper.AccountMapper;
import com.by.pojo.Account;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
@Service
public class AccountServiceImpl implements AccountService {

    @Autowired
    private AccountMapper accountMapper;

    @Transactional
    @Override
    public List<Account> selectAccount() {
        return accountMapper.selectAccount();
    }

    @Override
    public void addAccount(Account account) {
        accountMapper.addAccount(account);
    }

    @Override
    public void deleteAccount(Integer id) {
        accountMapper.deleteAccount(id);
    }

    @Override
    public void updateAccountById(Account account) {
        accountMapper.updateAccountById(account);
    }

    @Override
    public List<Account> sou(String name) {
        return  accountMapper.sou(name);
    }

    @Override
    public Account loginServlet(Account account) {
       return accountMapper.loginServlet(account);

    }

    @Override
    public void deleteAccountByIds(Integer[] id) {
        accountMapper.deleteAccountByIds(id);
    }

}

③UserService

package com.by.service;

import com.by.pojo.User;


public interface UserService {
    void Zhuce(User user);
}

④UserServiceImpl


package com.by.service;

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


@Service
public class UserServiceImpl implements UserService{
 @Autowired
 private UserMapper userMapper;
    @Override
    public void Zhuce(User user) {
        userMapper.Zhuce(user);
    }
}

6.7 servlet

①ImageServlet

package com.by.servlet;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Random;

public class ImageServlet  extends HttpServlet {
    @Override
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
        BufferedImage bi = new BufferedImage(68, 22, BufferedImage.TYPE_INT_RGB);//创建图像缓冲区
        Graphics g = bi.getGraphics(); //通过缓冲区创建一个画布
        Color c = new Color(200, 150, 255); //创建颜色
        g.setColor(c);//为画布创建背景颜色
        g.fillRect(0, 0, 68, 22); //填充矩形
        char[] ch = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".toCharArray();//转化为字符型的数组
        Random r = new Random();
        int len = ch.length;
        int index; //index用于存放随机数字
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < 4; i++) {
            index = r.nextInt(len);//产生随机数字
            g.setColor(new Color(r.nextInt(88), r.nextInt(188), r.nextInt(255)));  //设置颜色
            g.drawString(ch[index] + "", (i * 15) + 3, 18);//画数字以及数字的位置
            sb.append(ch[index]);
        }
        request.getSession().setAttribute("piccode", sb.toString());
        ImageIO.write(bi, "JPG", response.getOutputStream());
    }
}

SSM项目 实现登录注册和CRUD(附源码)

一、先看效果

1.1 登录页面

1.2 主页面

1.3 目录结构

二、 数据库脚本

三、reources

3.1 applicationContext-dao.xml

3.2 applicationContext-service.xml

3.3 applicationContext-tx.xml

3.4 db.properties

3.5 log4j.properties

3.6 springmvc.xml

四、pom.xml

五、JSP页面

5.1 index.jsp

5.2 add_account.jsp

5.3 select_account.jsp

5.4 update.jsp

5.5 zhuce.jsp

5.6 web.xml

六、源代码

6.1 controller

① AccountController

②UserController

6.2 converter

①DateConverter

6.3 interceptor

6.4 mapper

①AccountMapper

②AccountMapper.xml

③UserMapper

④UserMapper.xml

6.5 pojo

①Account

②User

6.6 service

①AccountService

②AccountServiceImpl

③UserService

④UserServiceImpl

6.7 servlet

①ImageServlet

悦读

SSM项目实现登录注册和CRUD(附源码)

二、数据库脚本