SpringMVC+Spring+Mybaits项目框架搭建
Posted 秋天de枫叶
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SSM+Maven是现在比较流行的项目框架,工作一年半载的对于这个项目框架都比较熟悉,这里就不在叙述SSM框架的好处。博文主要是作为一个笔者的笔记,记录一下自己的搭建过程,俗话说好纸上来得终觉浅,绝知此事要躬行。所以对于没有搭建过SSM框架的伙伴,自己最好试一试搭建过程。遇到问题,解决了也是一次不错的经历。(如果能帮到大家,我也很开心。。。注:搭建过程没有使用maven管理jar包)
准备的工作:
Spring:v4.2.0
Mybatis:v3.4.4
mybatis-spring:v1.3.0
mysql:6.0.6
至于搭建过程中需要用到的日志,工具等一下jar包,我会在最下面分分享出来。
第一步:首先建jar包引入项目中。
第二步:配置数据库引导文件与日志输出配置文件:
driverClassName=com.mysql.cj.jdbc.Driver
url=jdbc:mysql://127.0.0.1:3306/mconline?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC
username=root
password=qwe123
initialSize=5
maxActive=10
minIdle=1
maxWait=5000
数据库:db.properties,在这里向提一下 url配置,
url=jdbc:mysql://127.0.0.1:3306/mconline?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC
防止数据库插入乱码useUnicode=true&characterEncoding=utf8 。
时区的设置:serverTimezone=UTC
log4j.properties配置:
log4j.rootLogger=INFO,Console,File
#定义日志输出目的地为控制台
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#可以灵活地指定日志输出格式,下面一行是指定具体的格式
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n
#文件大小到达指定尺寸的时候产生一个新的文件
log4j.appender.File = org.apache.log4j.RollingFileAppender
#指定输出目录
log4j.appender.File.File = logs/biz.log
#定义文件最大大小
log4j.appender.File.MaxFileSize = 10MB
# 输出所以日志,如果换成DEBUG表示输出DEBUG以上级别日志
log4j.appender.File.Threshold = ALL
log4j.appender.File.layout = org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern =[%p] [%dyyyy-MM-dd HH\\:mm\\:ss][%c]%m%n
第三步:配置Spring-mybatis.xml 文件:
<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"
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">
<!--自动扫描-->
<context:component-scan base-package="com.mconline"/>
<!--引入数据库连接文件-->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:db.properties"/>
</bean>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<!--方言-->
<property name="driverClassName" value="$driverClassName"/>
<!--数据库地址-->
<property name="url" value="$url"/>
<!--用户名-->
<property name="username" value="$username"/>
<!--密码-->
<property name="password" value="$password"/>
<!--初始化连接大小-->
<property name="initialSize" value="$initialSize"/>
<!--连接池最大连接数-->
<property name="maxActive" value="$maxActive"/>
<!--连接池最小连接数-->
<property name="minIdle" value="$minIdle"/>
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="$maxWait"/>
</bean>
<!--spring-mybatis整合-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!--扫描mappe包下的所有xml文件-->
<property name="configLocation" value="WEB-INF/SqlMapConfig.xml"/>
<property name="dataSource" ref="dataSource"/>
</bean>
<!--dao接口所在包,自动扫描,spring 会自动查找其下的类-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--扫描数据实体包下所有的接口-->
<property name="basePackage" value="com.mconline.mapper"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
</bean>
<!--事务管理-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
</beans>
第四步:配置SqlMapConfig.xml文件,这个配置文件主要用于设置自动定义类别名与加载映射文件。
<?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>
<!-- 别名定义 -->
<typeAliases>
<!-- 批量别名定义
指定包名,mybatis自动扫描包中的po类,自动定义别名,别名就是类名(首字母大写或小写都可以)
-->
<package name="com.mconline.po"/>
</typeAliases>
<!--批量加载映射文件 -->
<mappers>
<package name="com.mconline.mapper"/>
</mappers>
</configuration>
第五步:设置SpringMvc.xml文件:
<?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.xsd">
<!--映射-->
<mvc:annotation-driven/>
<!--自动扫描vo,使SpringMVC认为包下用了@controller注解的类是控制器 -->
<context:component-scan base-package="com.mconline.controller"/>
<!--加载配置静态资源-->
<mvc:default-servlet-handler/>
<!--避免IE执行AJAX时,返回JSON出现下载文件 -->
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean>
<!--引入velocity页面模板-->
<bean id="velocityConfig" class="org.springframework.web.servlet.view.velocity.VelocityConfigurer">
<property name="resourceLoaderPath" value="/WEB-INF/view/" />
<property name="velocityProperties">
<props>
<prop key="input.encoding">utf-8</prop>
<prop key="output.encoding">utf-8</prop>
</props>
</property>
</bean>
<bean class="org.springframework.web.servlet.view.velocity.VelocityViewResolver">
<property name="cache" value="true" />
<property name="prefix" value="" />
<property name="suffix" value=".vm" />
<property name="order" value="1" />
<property name="contentType">
<value>text/html;charset=utf-8</value>
</property>
<!--是否使用spring对宏定义的支持-->
<property name="exposeSpringMacroHelpers" value="true" />
<!--request属性引用名称,例如$rc.contextPath 获取的是项目名称-->
<property name="requestContextAttribute" value="rc" />
</bean>
第六步:配置web.xml 文件:
<?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>mconline</display-name>
<!--通过过滤器设置——编码格式-->
<filter>
<filter-name>encodingFilter</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>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--设置spring与mybaitis配置文件-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring-mybatis.xml</param-value>
</context-param>
<!--设置spring监听-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--设置初始化springMvc-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/springmvc.xml</param-value>
</init-param>
<!--当 大于等于0时,初始化时加载servlet,小于0时,在使用时进行初始化-->
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>*.c</url-pattern>
</servlet-mapping>
<!--首次欢迎页面-->
<welcome-file-list>
<welcome-file>index.c</welcome-file>
</welcome-file-list>
</web-app>
到这里:配置文件基本配置完成,下面开始建表,建实体、然后调通SSM框架。
下面设置数据库:建表
建实体:
public class UserRegister
private long rid; //userId
private String accunt; //账号
private String password; //密码
private long registertime;//注册时间
private int isrealname; //是否实名
public long getRid()
return rid;
public void setRid(long rid)
this.rid = rid;
public String getAccunt()
return accunt;
public void setAccunt(String accunt)
this.accunt = accunt;
public String getPassword()
return password;
public void setPassword(String password)
this.password = password;
public long getRegistertime()
return registertime;
public void setRegistertime(long registertime)
this.registertime = registertime;
public int getIsrealname()
return isrealname;
public void setIsrealname(int isrealname)
this.isrealname = isrealname;
dao接口:
public interface RegisterMapper
UserRegister findRegisterAccount(String username);
int insertRegisterInfo(UserRegister userRegister);
mapper文件:mapper文件的namespace等于dao接口的"包名.接口名”
<?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.mconline.mapper.RegisterMapper"> <select id="findRegisterAccount" parameterType="java.lang.String" resultType="UserRegister"> SELECT * FROM userregister WHERE account=#value </select> <insert id="insertRegisterInfo" parameterType="UserRegister" > INSERT INTO userregister (rid,account,PASSWORD,registertime,isrealname)VALUES(#rid,#accunt,#password,#registertime,#isrealname) </insert> <select id="findUserReallyName" parameterType="Long" resultType="java.lang.String"> select * from userregister <where> <include refid="user_reallyName"></include> </where> </select> </mapper>
bo层:
@Service public class RegisterAccountBo @Resource private RegisterMapper registerMapper; //查询用户名是否存在 public int addAccountInfo(String acc,String pwd) UserRegister userRegister=registerMapper.findRegisterAccount(acc); if(userRegister!=null) return resultCnst.EXIST; if(userRegister==null) //实例UserRegister对象 userRegister=new UserRegister(); long time=System.currentTimeMillis(); userRegister.setRid(UUIDUtil.GenerateUUID()); userRegister.setAccunt(acc); userRegister.setPassword(pwd); userRegister.setRegistertime(time); userRegister.setIsrealname(0); int uid=registerMapper.insertRegisterInfo(userRegister); if(uid>0) return resultCnst.SUCCESS; return resultCnst.ERROR; return resultCnst.ERROR;
controller 层:
@Controller @RequestMapping(value = "/register") public class RegisterController @Autowired RegisterAccountBo registerAccountBo; @RequestMapping(value="/showregister.c") public String showRegisterPage(HttpServletRequest req, HttpServletResponse res) return "/register/register"; /** * 注册账户信息 */ @RequestMapping(value="/register.c") public void registerAccountInfo(HttpServletRequest req, HttpServletResponse rep) String account=req.getParameter("account"); String password=req.getParameter("password"); JsonHolder json=new JsonHolder(); //查询用户名是否存在 int res=registerAccountBo.addAccountInfo(account,password); if(res== resultCnst.SUCCESS) ResponseUtil.writeJson(rep,json);
到这里,SSM框架基本搭建完成。在搭建的过程中会遇到各种各样的问题,不过最终自己还是搭建出来了,原来感觉应该挺好搭建的,但在调试的时候,出现各种问题。会不会,还需要自己动手实践一下,才知道是不是真的会了。
源码下载:https://pan.baidu.com/s/1wyRPnh9uI9tL7UhFn2QfHA
提取码:yep8
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