使用的技术：SSM框架，Jquery，Bootstrap，Jsp
运行效果：
项目结构：
相关jar包，在pom.xml中配置：
配置文件代码：
web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <!-- 1.启动Spring的容器 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring.xml</param-value> </context-param> <!--②负责启动spring容器的监听器，它将使用①处的上下文参数获得spring配置文件地址--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 2.SpringMVC的前端控制器 拦截所有请求 --> <servlet> <servlet-name>dispatch</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 未指定SpringMVC的配置文件，所以在与web同级文件下建立一个与servlet-name同名+servlet的xml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>dispatch</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!-- 3.字符编码过滤器 放在所有过滤器前--> <filter> <filter-name>CharacterEncodingFilter</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>forceRequestEncoding</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>forceResponseEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 4.使用REST风格的URI --> <!-- 配置org.springframework.web.filter.HiddenHttpMethodFilter:可以把PUT请求转为DELETE或POST请求 --> <filter> <filter-name>HiddenHttpMethodFilter</filter-name> <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class> </filter> <filter-mapping> <filter-name>HiddenHttpMethodFilter</filter-name> <!-- 过滤所有请求 --> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 使页面ajax成功发put请求 在Spring MVC过滤器-HiddenHttpMethodFilter中我们提到， jsp或者说html中的form的method值只能为post或get，我们可以通过HiddenHttpMethodFilter获取put表单中的参数-值， 而在Spring3.0中获取put表单的参数-值还有另一种方法，即使用HttpPutFormContentFilter过滤器。 HttpPutFormContentFilter过滤器的作为就是获取put表单的值，并将之传递到Controller中标注了method为RequestMethod.put的方法中。 --> <filter> <filter-name>HttpPutFormContentFilter</filter-name> <filter-class>org.springframework.web.filter.HttpPutFormContentFilter</filter-class> </filter> <filter-mapping> <filter-name>HttpPutFormContentFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
spring.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd"> <!--Spring的配置文件 ：主要配置和逻辑业务有关的--> <!-- 扫描包 --> <context:component-scan base-package="com.ssm"> <!-- 不扫描@Controller注解 --> <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" /> </context:component-scan> <!-- 引入外部配置文件 --> <context:property-placeholder location="classpath:dbconfig.properties"/> <!-- ==================数据源，事务控制 ========================--> <bean id="pooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="jdbcUrl" value="${jdbc.url}"></property> <property name="driverClass" value="${jdbc.driver}"></property> <property name="user" value="${jdbc.username}"></property> <property name="password" value="${jdbc.password}"></property> </bean> <!-- ========================配置和Mybatis的整合 =============================--> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <!-- 指定Mybatis全局配置文件的位置 --> <!-- 加载mybatis的配置文件 --> <property name="configLocation" value="classpath:mybatis-config.xml"></property> <!-- 配置数据源 --> <property name="dataSource" ref="pooledDataSource"></property> <!-- 指定mybatis.mapper文件的位置 --> <property name="mapperLocations" value="classpath:mapper/*.xml"></property> </bean> <!-- 配置扫描器，将mybatis接口的实现加入到ioc容器中 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 扫描所有dao接口的实现，加入到ioc容器 --> <property name="basePackage" value="com.ssm.dao"></property> </bean> <!-- ==================事务控制==================== --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <!-- 控制数据源 --> <property name="dataSource" ref="pooledDataSource"></property> </bean> <!-- 开启使用xml配置形式的事务 --> <aop:config> <!-- 切入点表达式 --> <aop:pointcut expression="execution(* com.ssm.service.*.*(..))" id="txPoint"/> <!-- 配置事务增强 --> <aop:advisor advice-ref="txAdvice" pointcut-ref="txPoint"/> </aop:config> <!-- 配置事务增强，事务如何切入 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <!-- 所有方法都是事务方法 --> <tx:method name="*"></tx:method> <!--以get开头的所有方法--> <tx:method name="get*" read-only="true"></tx:method> </tx:attributes> </tx:advice> <!-- Spring配置文件的核心点：数据源，与mybatis的整合，事务控制 --> <!-- 配置一个可以批量的执行sqlSession --> <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate"> <constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"></constructor-arg> <!-- 执行器类型，批量-batch --> <constructor-arg name="executorType" value="BATCH"></constructor-arg> </bean> </beans>
springmvc.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-mvc-4.3.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd"> <!--SpringMVC的配置文件 ：主要包含网站跳转的控制，配置--> <context:component-scan base-package="com.ssm" use-default-filters="false"> <!-- 扫描@Controller注解 不扫描用exclude --> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" /> </context:component-scan> <!-- 配置视图解析器 方便页面返回 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- spring中加入jstl标签库 --> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property> <!-- 前缀 --> <property name="prefix" value="/WEB-INF/views/"></property> <!-- 后缀 --> <property name="suffix" value=".jsp"></property> </bean> <!-- 两个标准配置 --> <!-- 将SpringMVC不能处理的请求交给tomcat --> <mvc:default-servlet-handler></mvc:default-servlet-handler> <!-- 能支持SpringMVC更高级的一些功能 JSR303的校验，快捷的ajax，映射动态请求--> <mvc:annotation-driven> <!-- <mvc:message-converters> <bean class="org.springframework.http.converter.StringHttpMessageConverter"/> <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/> </mvc:message-converters> --> </mvc:annotation-driven> </beans>
mybatis-config.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> <!-- 开启自动驼峰命名规则（camel case）映射， 即从经典数据库列名 A_COLUMN 到经典 Java 属性名 aColumn 的类似映射。 --> <settings> <setting name="mapUnderscoreToCamelCase" value="true" /> </settings> <!-- 类型别名 自定义别名name为类所在的包路径--> <typeAliases> <package name="com.ssm.bean"></package> </typeAliases> </configuration>
dbconfig.properties
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/ssm jdbc.username=root jdbc.password=123
其中修改了Mybatis逆向工程生成的相关文件
EmployeeMapper.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.ssm.dao.EmployeeMapper"> <resultMap id="BaseResultMap" type="com.ssm.bean.Employee"> <id column="id" jdbcType="INTEGER" property="id" /> <result column="name" jdbcType="VARCHAR" property="name" /> <result column="password" jdbcType="VARCHAR" property="password" /> <result column="gender" jdbcType="CHAR" property="gender" /> <result column="email" jdbcType="VARCHAR" property="email" /> </resultMap> <sql id="zd"> id,name,password,gender,email </sql> <!-- 登录验证 --> <select id="login" resultMap="BaseResultMap" parameterType="com.ssm.bean.Employee"> select <include refid="zd"></include> from Employee <where> name=#{name} and password=#{password} </where> </select> <!-- 注册 --> <insert id="insert" parameterType="com.ssm.bean.Employee"> insert into Employee(<include refid="zd"></include>) values(#{name},#{password},#{gender},#{email}) </insert> </mapper>
EmployeeMaper.java
package com.ssm.dao; import com.ssm.bean.Employee; public interface EmployeeMapper { public Employee login(Employee emp); String insert(Employee emp); }
EmpService.java
package com.ssm.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.ssm.bean.Employee; import com.ssm.dao.EmployeeMapper; @Service public class EmpService { @Autowired EmployeeMapper employeeMapper; public Employee getLogin(Employee emp) { Employee empinfo = employeeMapper.login(emp); return empinfo; } }
EmpController.java
package com.ssm.controller; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import com.ssm.bean.Employee; import com.ssm.service.EmpService; @Controller public class EmpController { @Autowired EmpService empService; @RequestMapping("/login") public String elogin(HttpServletRequest request){ String loginname = request.getParameter("name"); String loginpass = request.getParameter("password"); Employee emp = new Employee(); emp.setName(loginname); emp.setPassword(loginpass); Employee empo = empService.getLogin(emp); if(empo!=null){ return "success"; }else{ return "error"; } } }
视图层显示页面
登录页面index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>登录页</title> <link rel="stylesheet" type="text/css" href="./static/bootstrap-3.3.7-dist/css/bootstrap.min.css"> <style> .form-horizontal{ 500px; height:300px; } </style> </head> <script src="./static/js/jquery-3.2.1.min.js" language="javascript"></script> <script type="text/javascript"> // 控制onsubmit提交的方法，方法名是vform() function form(){ var name = $("#loginname").val(); var password = $("#loginpass").val(); //判断上面的变量，如果为空字符串不能提交 if(name == ""){ alert("请输入登录名！"); return false; } if(password == ""){ alert("请输入密码！"); return false; } //除以上结果的可以提交，返回true return true; } </script> <body> <h1>练习ssm框架之登录实现</h1> <hr> <form class="form-horizontal" action="login" method="post" onsubmit="return form()"> <div class="form-group"> <label class="col-sm-2 control-label">用户名</label> <div class="col-sm-10"> <input type="text" class="form-control" id="loginname" name="name"> </div> </div> <div class="form-group"> <label class="col-sm-2 control-label">密码</label> <div class="col-sm-10"> <input type="password" class="form-control" id="loginpass" name="password"> </div> </div> <div class="form-group"> <div class="col-sm-offset-2 col-sm-10"> <button type="submit" class="btn btn-default">登录</button> </div> </div> </form> </body> </html>
登录成功或失败跳转页面
<body>
welcome to start studying SSM<br>
</body>
<body> 帐号密码错误，<a href="index.jsp">返回</a> <br> </body>