• Spring-SpringMVC-Mybatis整合的步骤


    1.导入jar包

      1.1  spring面向切面jar包

        com.springsource.net.sf.cglib-2.2.0.jar
        com.springsource.org.aopalliance-1.0.0.jar
        com.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar
      1.2 springJDBCjar包
        c3p0-0.9.2.1.jar
        mchange-commons-java-0.2.3.4.jar

        spring-jdbc-4.2.2.RELEASE.jar

      1.3  mybatis与spring整合jar包
        mybatis-3.2.2.jar
        mybatis-spring-1.2.1.jar

      1.4  mysql数据库jar包
        mysql-connector-java-5.0.8-bin.jar

      1.5 springAOP及springMVCjar包

        commons-logging-1.1.3.jar
        spring-aop-4.2.2.RELEASE.jar
        spring-beans-4.2.2.RELEASE.jar
        spring-context-4.2.2.RELEASE.jar
        spring-core-4.2.2.RELEASE.jar
        spring-expression-4.2.2.RELEASE.jar
        spring-tx-4.2.2.RELEASE.jar
        spring-web-4.2.2.RELEASE.jar
        spring-webmvc-4.2.2.RELEASE.jar

      1.6 js标签库jar包

        jstl.jar
        standard.jar

      1.7 文件上传jar包

        commons-fileupload-1.3.1.jar

        commons-io-2.2.jar

      1.8 springMVC与ajax交互jar包

        jackson-annotations-2.2.1.jar

        jackson-core-2.2.1.jar

        jackson-databind-2.2.1.jar

    2.配置spring的xml文件

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <beans xmlns="http://www.springframework.org/schema/beans"
     3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     4     xmlns:context="http://www.springframework.org/schema/context"
     5     xmlns:aop="http://www.springframework.org/schema/aop"
     6     xmlns:tx="http://www.springframework.org/schema/tx"
     7     xsi:schemaLocation="http://www.springframework.org/schema/beans
     8         http://www.springframework.org/schema/beans/spring-beans.xsd
     9         http://www.springframework.org/schema/context
    10         http://www.springframework.org/schema/context/spring-context.xsd
    11         http://www.springframework.org/schema/tx
    12         http://www.springframework.org/schema/tx/spring-tx.xsd
    13         http://www.springframework.org/schema/aop
    14         http://www.springframework.org/schema/aop/spring-aop.xsd">
    15     
    16     <!-- 包扫描 *业务层 -->
    17     <context:component-scan base-package="com.eduask.liusheng.service"/>
    18     
    19     <!-- 引入属性文件  *数据源属性及连接池属性 -->
    20     <context:property-placeholder location="classpath:db.properties"/>
    21        
    22     <!-- 配置数据源  -->
    23     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
    24         <property name="driverClass" value="${jdbc.driver}"></property>
    25         <property name="jdbcUrl" value="${jdbc.url}"></property>
    26         <property name="user" value="${jdbc.username}"></property>
    27         <property name="password" value="${jdbc.password}"></property>
    28     </bean>   
    29     
    30     <!-- 配置SQLSessionFactory -->
    31     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    32         <!-- 注入数据库连接池 -->
    33         <property name="dataSource" ref="dataSource"/>
    34         <!-- 扫描实体类包,使用别名 -->
    35         <property name="typeAliasesPackage" value="com.eduask.liusheng.bean"/>
    36         <!-- 扫描映射文件 -->
    37         <property name="mapperLocations" value="classpath:com/eduask/liusheng/mapper/*.xml"/>
    38     </bean>
    39     
    40     <!-- 配置扫描Dao接口包,动态实现Dao接口,注入到spring容器中 -->
    41     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    42         <!-- 注入sqlSessionFactory -->
    43         <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    44         <!-- 给出需要扫描Dao接口包,自动生成对应实体,不用手动实现 -->
    45         <property name="basePackage" value="com.eduask.liusheng.dao"/>
    46     </bean>
    47     
    48     <!-- 配置事务管理器 -->
    49     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    50         <property name="dataSource" ref="dataSource"></property>
    51     </bean>
    52     
    53     <!-- 配置事务通知 *如果是注解方式,需要配置事务管理注解驱动-->
    54     <tx:advice id="advice" transaction-manager="transactionManager">
    55         <tx:attributes>
    56             <tx:method name="insert*" propagation="REQUIRED" isolation="DEFAULT" read-only="false"/>
    57             <tx:method name="update*" propagation="REQUIRED" isolation="DEFAULT" read-only="false"/>
    58             <tx:method name="delete*" propagation="REQUIRED" isolation="DEFAULT" read-only="false"/>
    59             <tx:method name="select*" read-only="true"/>
    60             <tx:method name="*" read-only="true"/>
    61         </tx:attributes>
    62     </tx:advice>
    63     
    64     <!-- 配置切点 -->
    65     <aop:config>
    66         <!-- 配置切点 -->
    67         <aop:pointcut expression="execution(* com.eduask.liusheng.service.*.*(..))" id="pointcut"/>
    68         <!-- 关联切点与通知 -->
    69         <aop:advisor advice-ref="advice" pointcut-ref="pointcut"/>
    70     </aop:config>
    71     
    72 </beans>
    1 jdbc.driver=com.mysql.jdbc.Driver
    2 jdbc.url=jdbc:mysql://localhost:3306/employeemanager
    3 jdbc.username=root
    4 jdbc.password=root
    5 #连接池属性在这里配置
    属性文件

    3.配置springMVC的xml文件

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <beans xmlns="http://www.springframework.org/schema/beans"
     3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     4     xmlns:context="http://www.springframework.org/schema/context"
     5     xmlns:mvc="http://www.springframework.org/schema/mvc"
     6     xsi:schemaLocation="http://www.springframework.org/schema/beans
     7         http://www.springframework.org/schema/beans/spring-beans.xsd
     8         http://www.springframework.org/schema/context
     9         http://www.springframework.org/schema/context/spring-context.xsd
    10         http://www.springframework.org/schema/mvc
    11         http://www.springframework.org/schema/mvc/spring-mvc.xsd">
    12 
    13     <!-- 配置包扫描 *控制器层 注意:扫描包为com.eduask.liusheng时,会使Service事物管理失效,需要加限制条件context:exclude-filter-->
    14     <context:component-scan base-package="com.eduask.liusheng.controller"/>
    15     
    16     <!-- 配置视图解析器 *受保护的网页放在/WEB-INF下,不能被直接访问,只能请求转发到该页面 -->
    17     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    18         <property name="prefix" value="/WEB-INF/view/"></property>
    19         <property name="suffix" value=".jsp"></property>
    20     </bean>
    21 
    22   <!--  访问静态资源 js jpg html css 等静态资源 -->
    23   <mvc:default-servlet-handler/>
    24 
    25   <!-- 配置登陆拦截器  -->
    26   <mvc:interceptors>
    27       <mvc:interceptor>
    28           <mvc:mapping path="/**"/>
    29           <bean class="com.eduask.liusheng.inerceptor.LoginInterceptor"></bean>
    30       </mvc:interceptor>
    31   </mvc:interceptors>
    32     
    33     <!--  配置全局时间转化类 没有时间转化可省略以下 -->
    34     <!-- 第一步:  创建自定义日期转换规则  class:为时间转化类的全类名 -->   
    35     <bean id="dateConvert" class="com.eduask.liusheng.util.DateConvert"/>
    36     <!-- 第二步: 创建convertion-Service ,并注入dateConvert-->
    37     <bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
    38         <property name="converters">
    39             <set>
    40                 <ref bean="dateConvert"/>
    41             </set>
    42         </property>
    43     </bean>
    44     <!-- 第三步:注册处理器映射器/处理器适配器 ,添加conversion-service属性-->
    45     <mvc:annotation-driven conversion-service="conversionService"/>
    46     
    47    <!-- 配置文件上传的映射 *id必须为multipartResolver -->
    48      <bean id="multipartResolver"
    49          class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    50           <!-- 配置上传的大小 -->
    51           <property name="maxUploadSize" value="104857600"></property>
    52           <!-- 配置缓存 -->
    53           <property name="maxInMemorySize" value="4096" />
    54           <!-- 配置上传的编码 -->
    55           <property name="defaultEncoding" value="utf-8"></property>
    56     </bean>
    57     
    58 </beans>
     1 import java.text.ParseException;
     2 import java.text.SimpleDateFormat;
     3 import java.util.Date;
     4 
     5 import org.springframework.core.convert.converter.Converter;
     6 
     7 public class DateConvert implements Converter<String, Date> {
     8 
     9     @Override
    10     public Date convert(String stringDate){
    11         //时间转化类(时间格式)
    12         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
    13         try {
    14             return simpleDateFormat.parse(stringDate);
    15         } catch (ParseException e) {
    16             e.printStackTrace();
    17         }
    18         return null;
    19     }
    20 
    21 }
    DateConvert.java
     1 import java.io.File;
     2 import java.io.FileOutputStream;
     3 
     4 import javax.servlet.http.HttpServletRequest;
     5 
     6 import org.springframework.stereotype.Controller;
     7 import org.springframework.web.bind.annotation.RequestMapping;
     8 import org.springframework.web.bind.annotation.RequestParam;
     9 import org.springframework.web.multipart.MultipartFile;
    10 import org.springframework.web.multipart.MultipartHttpServletRequest;
    11 import org.springframework.web.multipart.commons.CommonsMultipartFile;
    12 
    13 @Controller
    14 public class UploadController {
    15     @RequestMapping("/upload1.do")
    16     public String upload(HttpServletRequest req) throws Exception{
    17         long  startTime=System.currentTimeMillis();
    18         MultipartHttpServletRequest multiRequest=(MultipartHttpServletRequest)req;
    19         MultipartFile multiFile=multiRequest.getFile("myfile1");
    20         String path=req.getSession().getServletContext().getRealPath("/upload");
    21         File file=new File(path+"\"+multiFile.getOriginalFilename());
    22         FileOutputStream fos=new FileOutputStream(file);
    23         fos.write(multiFile.getBytes());
    24         fos.flush();
    25         fos.close();
    26         long  endTime=System.currentTimeMillis();
    27         System.out.println("upload1运行时间:"+String.valueOf(endTime-startTime)+"ms");
    28         return "a";
    29     }
    30     
    31     @RequestMapping("/upload2.do")
    32     public String upload1(@RequestParam("myfile2") CommonsMultipartFile file,HttpServletRequest req) throws Exception{
    33         long  startTime=System.currentTimeMillis();
    34         String path=req.getSession().getServletContext().getRealPath("/upload");
    35         File uploadfile=new File(path+"\"+file.getOriginalFilename());
    36         file.transferTo(uploadfile);
    37         long  endTime=System.currentTimeMillis();
    38         System.out.println("upload2运行时间:"+String.valueOf(endTime-startTime)+"ms");
    39         return "a";
    40     }
    41     
    42     @RequestMapping("/upload3.do")
    43     public String upload3(HttpServletRequest req) throws Exception{
    44         long  startTime=System.currentTimeMillis();
    45         MultipartHttpServletRequest multiRequest=(MultipartHttpServletRequest)req;
    46         MultipartFile multiFile=multiRequest.getFile("myfile3");
    47         String path=req.getSession().getServletContext().getRealPath("/upload");
    48         File file=new File(path+"\"+multiFile.getOriginalFilename());
    49         multiFile.transferTo(file);
    50         long  endTime=System.currentTimeMillis();
    51         System.out.println("upload3运行时间:"+String.valueOf(endTime-startTime)+"ms");
    52         return "a";
    53     }
    54     
    55 }
    文件上传三种方法
     1 import java.io.PrintWriter;
     2 
     3 import org.springframework.stereotype.Controller;
     4 import org.springframework.web.bind.annotation.RequestMapping;
     5 import org.springframework.web.bind.annotation.ResponseBody;
     6 
     7 @Controller
     8 public class AjaxController {
     9     
    10     @RequestMapping("/fun1.do")
    11     public void fun1(PrintWriter out,User user){
    12         System.out.println(user);
    13         out.print("你好");
    14     }
    15     
    16     @RequestMapping("/fun2.do")
    17     @ResponseBody
    18     public User fun2(User user){
    19         return user;
    20     }
    21     
    22 }
    spring与ajax交互,spring的自动封装
     1 import javax.servlet.http.HttpServletRequest;
     2 import javax.servlet.http.HttpServletResponse;
     3 
     4 import org.springframework.web.servlet.HandlerInterceptor;
     5 import org.springframework.web.servlet.ModelAndView;
     6 
     7 
     8 public class LoginInterceptor implements HandlerInterceptor {
     9 
    10     /** 
    11      * preHandle方法是进行处理器拦截用的,顾名思义,该方法将在Controller处理之前进行调用,
    12      * SpringMVC中的Interceptor拦截器是链式的,可以同时存在多个Interceptor,
    13      * 然后SpringMVC会根据声明的前后顺序一个接一个的执行,
    14      * 而且所有的Interceptor中的preHandle方法都会在Controller方法调用之前调用。
    15      * SpringMVC的这种Interceptor链式结构也是可以进行中断的,
    16      * 这种中断方式是令preHandle的返回值为false,当preHandle的返回值为false的时候整个请求就结束了。 
    17      */  
    18     public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
    19             Object o) throws Exception {
    20         System.out.println("----------preHandle------------");
    21         String path=request.getServletPath();
    22         System.out.println("path:"+path);
    23         if("/login.do".equals(path)){
    24             return true;
    25         }
    26         if("/logout.do".equals(path)){
    27             request.getSession().removeAttribute("user");
    28         }
    29         String str=(String) request.getSession().getAttribute("user");
    30         if (str!=null) {
    31             return true;
    32         }else{
    33             response.sendRedirect("login.jsp");
    34             return false;
    35         }
    36     }
    37     
    38      /** 
    39      * 这个方法只会在当前这个Interceptor的preHandle方法返回值为true的时候才会执行。
    40      * postHandle是进行处理器拦截用的,它的执行时间是在处理器进行处理之后,
    41      * 也就是在Controller的方法调用之后执行,但是它会在DispatcherServlet进行视图的渲染之前执行,
    42      * 也就是说在这个方法中你可以对ModelAndView进行操作。
    43      * 这个方法的链式结构跟正常访问的方向是相反的,也就是说先声明的Interceptor拦截器该方法反而会后调用,
    44      * 这跟Struts2里面的拦截器的执行过程有点像,
    45      * 只是Struts2里面的intercept方法中要手动的调用ActionInvocation的invoke方法,
    46      * Struts2中调用ActionInvocation的invoke方法就是调用下一个Interceptor 
    47      * 或者是调用action,然后要在Interceptor之前调用的内容都写在调用invoke之前,
    48      * 要在Interceptor之后调用的内容都写在调用invoke方法之后。 
    49      */
    50     public void postHandle(HttpServletRequest request, HttpServletResponse response,
    51             Object o, ModelAndView ex) throws Exception {
    52         System.out.println("----------postHandle------------");
    53     }
    54     
    55     /** 
    56      * 该方法也是需要当前对应的Interceptor的preHandle方法的返回值为true时才会执行。
    57      * 该方法将在整个请求完成之后,也就是DispatcherServlet渲染了视图执行, 
    58      * 这个方法的主要作用是用于清理资源的,当然这个方法也只能在当前这个Interceptor的preHandle方法的返回值为true时才会执行。 
    59      */  
    60     public void afterCompletion(HttpServletRequest request,
    61             HttpServletResponse response, Object o, Exception ex)
    62             throws Exception {
    63         System.out.println("----------afterCompletion------------");
    64     }
    65 
    66 }
    LoginInterceptor.java

    4.配置web.xml

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
     3   <display-name>EmployeeManager</display-name>
     4   <welcome-file-list>
     5     <welcome-file>index.html</welcome-file>
     6     <welcome-file>index.htm</welcome-file>
     7     <welcome-file>index.jsp</welcome-file>
     8     <welcome-file>default.html</welcome-file>
     9     <welcome-file>default.htm</welcome-file>
    10     <welcome-file>default.jsp</welcome-file>
    11   </welcome-file-list>
    12  
    13   <!-- 配置前端控制器 和 springMVC-servlet 的配置文件引入-->
    14   <servlet>
    15       <servlet-name>springMVC</servlet-name>
    16       <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    17       <init-param>
    18           <param-name>contextConfigLocation</param-name>
    19           <param-value>classpath:springMVC-servlet.xml</param-value>
    20       </init-param>
    21       <load-on-startup>1</load-on-startup>
    22   </servlet>
    23   <servlet-mapping>
    24       <servlet-name>springMVC</servlet-name>
    25       <url-pattern>/*</url-pattern>
    26   </servlet-mapping>
    27   
    28   <!-- 设置servlet所有编码的过滤器 -->
    29   <filter>  
    30         <filter-name>CharacterEncodingFilter</filter-name>  
    31         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>  
    32         <init-param>  
    33             <param-name>encoding</param-name>  
    34             <param-value>utf-8</param-value>  
    35         </init-param>  
    36         <init-param>  
    37             <param-name>forceEncoding</param-name>  
    38             <param-value>true</param-value>  
    39         </init-param>  
    40     </filter>  
    41     <filter-mapping>  
    42         <filter-name>CharacterEncodingFilter</filter-name>  
    43         <url-pattern>/*</url-pattern>  
    44     </filter-mapping>  
    45     
    46     <!-- 配置监听器 -->
    47     <listener>
    48         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    49     </listener>
    50     
    51     <!-- Spring配置文件的引入 -->
    52     <context-param>
    53         <param-name>contextConfigLocation</param-name>
    54           <param-value>classpath:applicationContext.xml</param-value>
    55     </context-param>
    56     
    57 </web-app>

     注意:配置error page时,如果不跳转到error页面,可能是浏览器选项中,高级-显示友好页面信息未取消勾选

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  • 原文地址:https://www.cnblogs.com/qq634571685/p/7190100.html
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