SSM整合项目整合，实现登录验证

SSM整合项目整合

applicationContext文档

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

">
    <!--引入jdbc文件-->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <!--包扫描，扫描service层-->
    <context:component-scan base-package="com.msb.service"/>
    <!--配置德鲁伊连接池-->
    <bean class="com.alibaba.druid.pool.DruidDataSource" id="dataSource">
        <property name="driverClassName" value="${jdbc_driver}"></property>
        <property name="username" value="${jdbc_username}"></property>
        <property name="url" value="${jdbc_url}"></property>
        <property name="password" value="${jdbc_password}"></property>
    </bean>
    <!--配置sqlSessionFactory-->
    <bean id="Factory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="typeAliasesPackage" value="com.msb.pojo"></property>
    </bean>
    <!--配置MapperScanner 扫描mapper.xml 和接口-->
    <bean id="ScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--注入SQLSessionFactory-->
        <property name="sqlSessionFactoryBeanName" value="Factory"></property>
        <!--扫描mapper-->
        <property name="basePackage" value="com.msb.mapper"></property>
    </bean>
    <!--配置事务管理器-->
    <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="transactionManager">
        <!--注入德鲁伊连接池-->
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!--开启事务注解-->
    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>

SpringMVC文档

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

">
    <!--扫描controller层-->
    <context:component-scan base-package="com.msb.controller"/>
    <!--开启三大组件-->
    <mvc:annotation-driven />
    <!--释放静态资源-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"></bean>
    <!--配置静态资源放行-->
    <!--<mvc:resources mapping="/js/**" location="/js/"></mvc:resources>-->
    <!--<mvc:resources mapping="/css/**" location="/css/"></mvc:resources>-->
    <!--<mvc:resources mapping="/img/**" location="/img/"></mvc:resources>-->
    <!--<mvc:resources mapping="/static/**" location="/static/"></mvc:resources>-->
</beans>

jdbc文档

jdbc_username=root
jdbc_password=root
jdbc_driver=com.mysql.cj.jdbc.Driver
jdbc_url=jdbc:mysql://127.0.0.1:3306/testtable?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true

log4j2文档

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="DEBUG">
    <Appenders>
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="%d{YYYY-MM-dd HH:mm:ss} [%t] %-5p %c{1}:%L - %msg%n" />
        </Console>
    </Appenders>
    <Loggers>
        <Root level="debug">
            <AppenderRef ref="Console" />
        </Root>
    </Loggers>
</Configuration>

mapper下的mybatis.xml文档

<?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.msb.mapper.UserMapper">
    <!--User findUser(String uname, String password);-->
    <select id="findUser" resultType="user">
        select * from User where usename =#{param1} and password =#{param2}
    </select>
    <!--findAllUser-->
    <select id="findAllUser" resultType="user">
        select * from user
    </select>
</mapper>

mapper下的接口文件

package com.msb.mapper;
import com.msb.pojo.User;
import java.sql.SQLOutput;
import java.util.List;

public interface UserMapper {
    User findUser(String usename, String password);

    List<User> findAllUser();
}

wabapp文档

<?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">
  <!--spring核心配置文件位置-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <!--spring Listener-->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!--编码过滤器-->
  <filter>
    <filter-name>encFilter</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>
  </filter>
  <filter-mapping>
    <filter-name>encFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  <!--DispatcherServlet-->
  <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>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

pom.xml配置文件

<?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.msb</groupId>
  <artifactId>JdbcSql</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>
  <name>JdbcSql Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>
  <dependencies>
    <!--spring核心容器包-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>5.3.5</version>
    </dependency>
    <!--spring切面包-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>5.3.5</version>
    </dependency>
    <!--aop联盟包-->
    <dependency>
      <groupId>aopalliance</groupId>
      <artifactId>aopalliance</artifactId>
      <version>1.0</version>
    </dependency>
    <!--德鲁伊连接池-->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.1.10</version>
    </dependency>
    <!--mysql驱动-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.22</version>
    </dependency>
    <!--springJDBC包-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>5.3.5</version>
    </dependency>
    <!--spring事务控制包-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>5.3.5</version>
    </dependency>
    <!--spring orm 映射依赖-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-orm</artifactId>
      <version>5.3.5</version>
    </dependency>
    <!--Apache Commons日志包-->
    <dependency>
      <groupId>commons-logging</groupId>
      <artifactId>commons-logging</artifactId>
      <version>1.2</version>
    </dependency>
    <!--log4j2 日志-->
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-slf4j-impl</artifactId>
      <version>2.14.0</version>
      <scope>test</scope>
    </dependency>
    <!--lombok -->
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.18.12</version>
      <scope>provided</scope>
    </dependency>
    <!--spring test测试支持包-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>5.3.5</version>
      <scope>test</scope>
    </dependency>
    <!--junit5单元测试-->
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-api</artifactId>
      <version>5.7.0</version>
      <scope>test</scope>
    </dependency>
    <!--springMVC支持包-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>5.3.5</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.3.5</version>
    </dependency>
    <!--jsp 和Servlet  可选-->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>4.0.1</version>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>javax.servlet.jsp-api</artifactId>
      <version>2.3.3</version>
      <scope>provided</scope>
    </dependency>
    <!--json依赖-->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.12.1</version>
    </dependency>
    <!--mybatis 核心jar包-->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.5.3</version>
    </dependency>
    <!--spring mybatis整合包-->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>2.0.3</version>
    </dependency>
  </dependencies>

  <build>
    <finalName>JdbcSql</finalName>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.1.0</version>
        </plugin>
        <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.22.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.2.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
</project>

Usercontroller文件

package com.msb.controller;
import com.msb.pojo.User;
import com.msb.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import java.util.List;
@Controller
public class UserController {
    @Autowired
    private UserService userService;
    @RequestMapping("/logon.do")
    public String logon(String usename,String password){
        String view = null;
        User user = userService.findUser(usename, password);
        if (user!=null){
            view="/success.jsp";
        }else {
            view="fail.jsp";
        }
        return view;
    }
    @ResponseBody
    @RequestMapping("findAllUser.do")
    public List<User> findAllUser(){
        List<User> allUser = userService.findAllUser();
        return allUser;
    }
}

service下的impl实现文件

package com.msb.service.impl;

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

import javax.swing.*;
import java.util.List;

@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private UserMapper userMapper;
    @Override
    public User findUser(String usename, String password) {
        User user = userMapper.findUser(usename, password);
        return user;
    }

    @Override
    public List<User> findAllUser() {
        List<User> allUser = userMapper.findAllUser();
        return allUser;
    }
}

service下的接口文件

package com.msb.service;

import com.msb.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.sql.SQLOutput;
import java.util.List;


public interface UserService {
    User findUser(String usename, String password);

    List<User> findAllUser();
}

index.jsp文件

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
<form method="post" action="logon.do">
    <input name="username" type="text">
    <input name="password" type="password">
    <input type="submit" value="登录">
</form>
</body>
</html>

showPage文件

<%--
  Created by IntelliJ IDEA.
  User: tomel
  Date: 2022/6/21
  Time: 15:22
  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>
requestScope :message:${requestScope.message},username:${requestScope.users[0].usename}<br/>
sessionScope :message:${sessionScope.message},username:${sessionScope.users[0].usename}<br/>
applicationScope :message:${applicationScope.message} ,username:${applicationScope.users[0].usename} <br/>
requestParam:message:${param.message},username:${param.users[0].usename}<br/><%--获取请求参数--%>
</body>
</html>

model下访问三个域中的配置文件

package com.msb.controller;
import com.msb.pojo.User;
import com.msb.service.UserService;
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.servlet.ModelAndView;
import java.util.List;
import java.util.Map;
@Controller
public class ModeViews {
    @Autowired
    private UserService userService;
    @RequestMapping("setData")
    public String setData(Model model){
        List<User> users = userService.findAllUser();
        model.addAttribute("message","reqMessage");
        model.addAttribute("users",users);
        return "/showPage.jsp";

    }
    @RequestMapping("data1")
    public ModelAndView SetData1(){
        ModelAndView mv = new ModelAndView();
        Map<String, Object> model = mv.getModel();
        List<User> users = userService.findAllUser();
        model.put("message", "reqMessage");
        model.put("users", users);
        // 设置视图
        //mv.setViewName("forward:/showDataPage.jsp");
        //重定向
        mv.setViewName("redirect:/showPage.jsp");
        return mv;
    }
}