看别人SSM框架搭建Web服务器实现登录功能的改进后实现
程序员文章站
2022-07-15 09:40:20
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原文章地址：使用SSM框架搭建Web服务器实现登录功能(Spring+SpringMVC+Mybatis)
因为原文章的配置使用后出现一些问题，所以单独改进实现后可行才写下给原文章看到的人提醒作用。我会在原文地下评论地址
原理的话就自己上网百度就好，上班时间为了省事直接上图
改了两部分：
1. web.xml需要吧log日志那部分去掉
2.springmvc的配置需要加入<mvc:default-servlet-handler/>
结构如下：
web.xml：
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
id="WebApp_ID" version="3.1">
<display-name>grapefruit</display-name>
<!--
<!–一个server下如果有多个项目，要对webAppRootKey进行配置，让log能将日志写到对应项目根目录下–>
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>grapefruit.root</param-value>
</context-param>
<!– 由Sprng载入的Log4j配置文件位置 –>
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>classpath:log4j.properties</param-value>
</context-param>
<!– Spring默认刷新Log4j配置文件的间隔,单位为millisecond –>
<context-param>
<param-name>log4jRefreshInterval</param-name>
<param-value>60000</param-value>
</context-param>-->
<!-- Web 项目 Spring 加载 Log4j 的监听 ?-->
<listener>
<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
</listener>
<!-- 加载spring容器配置 -->
<listener>
<description>启动spring容器</description>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 设置Spring容器加载配置文件路径 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:spring-context.xml</param-value>
</context-param>
<!-- 防止内存泄漏的监听器 ?-->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<!-- 配置SpringMVC核心控制器 -->
<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:spring-mvc.xml</param-value>
</init-param>
<!-- 立马启动servlet ?-->
<load-on-startup>1</load-on-startup>
</servlet>
<!-- servlet-mapping配置 -->
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 解决工程编码过滤器 ?-->
<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>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 设置默认打开页面列表 -->
<welcome-file-list>
<!--<welcome-file>index.html</welcome-file>-->
<welcome-file>login.html</welcome-file>
</welcome-file-list>
</web-app>spring-mvc.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:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">
<!-- 开启注解 -->
<mvc:annotation-driven />
<mvc:default-servlet-handler/>
<!-- 注解Controller扫描器 -->
<context:component-scan base-package="com.grapefruit.controller"></context:component-scan>
<!-- 静态资源访问 ?!-->
<!-- Spring MVC框架自己处理静态资源,也可定义在resources下 -->
<mvc:resources location="/image/" mapping="/image/**"/>
<mvc:resources location="/js/" mapping="/js/**"/>
<mvc:resources location="/css/" mapping="/css/**"/>
<!-- spring管理拦截器 -->
<mvc:interceptors>
<mvc:interceptor>
<mvc:mapping path="/**" />
<bean class="com.grapefruit.interceptor.LoginInterceptor"></bean>
</mvc:interceptor>
</mvc:interceptors>
<!-- 注解功能的默认配置,处理器和映射器 ?-->
<bean id="handlerMapping" class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
<bean id="handlerAdapter" class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<!-- 视图解析器 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/views" />
<property name="suffix" value=".html"></property>
</bean>
<!-- 启动Spring MVC的注解功能，完成请求和注解POJO的映射 -->
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<!--json转换器-->
<ref bean="mappingJacksonHttpMessageConverter" />
</list>
</property>
</bean>
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="mappingJacksonHttpMessageConverter" />
</list>
</property>
</bean>
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name = "supportedMediaTypes">
<list>
<bean class="org.springframework.http.MediaType">
<constructor-arg index="0" value="text"/>
<constructor-arg index="1" value="plain"/>
<constructor-arg index="2" value="UTF-8"/>
</bean>
<bean class="org.springframework.http.MediaType">
<constructor-arg index="0" value="*"/>
<constructor-arg index="1" value="*"/>
<constructor-arg index="2" value="UTF-8"/>
</bean>
<bean class="org.springframework.http.MediaType">
<constructor-arg index="0" value="text"/>
<constructor-arg index="1" value="*"/>
<constructor-arg index="2" value="UTF-8"/>
</bean>
<bean class="org.springframework.http.MediaType">
<constructor-arg index="0" value="application"/>
<constructor-arg index="1" value="json"/>
<constructor-arg index="2" value="UTF-8"/>
</bean>
</list>
</property>
</bean>
</beans>spring-context.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-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
"
>
<!-- 让扫描spring扫描这个包下所有的类，让标注spring注解的类生效 -->
<!--<context:component-scan base-package="com.bigname.grapefruit.service"></context:component-scan>-->
<context:component-scan base-package="com.grapefruit.*">
<!-- 不扫描注解为controller的类型 -->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
</context:component-scan>
<bean id="property" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<!-- classpath 即src根目录 -->
<value>classpath:database.properties</value>
</list>
</property>
</bean>
<!-- 配置数据库连接池c3p0 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
<!-- 指定连接数据库的JDBC驱动 -->
<property name="driverClass">
<value>${mysql.driver_class}</value>
</property>
<!-- 连接数据库所用的URL -->
<property name="jdbcUrl">
<value>${mysql.connection.url}</value>
</property>
<!-- 连接数据库的用户名 -->
<property name="user">
<value>${mysql.connection.username}</value>
</property>
<!-- 连接数据库的密码 -->
<property name="password">
<value>${mysql.connection.password}</value>
</property>
<!-- 设置数据库连接池的最大连接数 -->
<property name="maxPoolSize">
<value>${mysql.connection.maxPoolSize}</value>
</property>
<!-- 设置数据库连接池的最小连接数 -->
<property name="minPoolSize">
<value>${mysql.connection.minPoolSize}</value>
</property>
<!-- 设置数据库连接池的初始化连接数 -->
<property name="initialPoolSize">
<value>${mysql.connection.initialPoolSize}</value>
</property>
<!-- 设置数据库连接池的连接的最大空闲时间,单位为秒 -->
<property name="maxIdleTime">
<value>${mysql.connection.maxIdleTime}</value>
</property>
<!-- 设置不知道啥东西的东西 -->
<property name="acquireIncrement">
<value>${mysql.connection.acquireIncrement}</value>
</property>
</bean>
<!-- 配置mybatis,绑定c3p0 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 引用上面已经配置好的数据库连接池 -->
<property name="dataSource" ref="dataSource" />
<!-- Mybatis的配置文件路径 -->
<property name="configLocation" value="classpath:mybatis.xml" />
<!-- mapper配置路径 -->
<property name="mapperLocations">
<list>
<value>classpath:mapper/*.xml</value>
</list>
</property>
</bean>
<!-- 使用注解来控制事务 -->
<tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>
<!-- 配置Mybatis事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 扫描生成所有dao层 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.grapefruit.dao"></property>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
</beans>pom.xml（已加入前后台对应json包和文件上传包）:
<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.grapefruit</groupId>
<artifactId>ScorePlatform</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>FirstPlatform</name>
<url>http://maven.apache.org</url>
<dependencies>
<!-- 测试工具 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.9</version>
<scope>test</scope>
</dependency>
<!-- spring-mvc start -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.3.14.RELEASE</version>
</dependency>
<!-- spring-mvc end -->
<!-- spring start -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.3.14.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.14.RELEASE</version>
</dependency>
<!-- spring end -->
<!-- mybatis start -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.1</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<!-- 分页助手 -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.2</version>
</dependency>
<!-- 代理 -->
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<version>3.2.2</version>
</dependency>
<!-- mybatis end -->
<!-- c3p0 数据库连接池 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<!-- 数据库 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.0.4</version>
<!--<version>6.0.6</version>-->
</dependency>
<!-- jsp -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.47</version>
</dependency>
<!-- JSONObject对象依赖的jar包 -->
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.3</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>net.sf.ezmorph</groupId>
<artifactId>ezmorph</artifactId>
<version>1.0.6</version>
</dependency>
<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
<classifier>jdk15</classifier><!-- 指定jdk版本 -->
</dependency>
<!-- base64转换使用包 -->
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.9</version>
</dependency>
<!-- multipart/form-data上传解析包 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.2</version>
</dependency>
<!-- json转换包,前后台对应json用 -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.7.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.7.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.7.4</version>
</dependency>
</dependencies>
<build>
<finalName>MavenDemo03</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>8</source>
<target>8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
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