图书管理系统

 

 

 结构是这样的

 

 

 

spring-dao的配置

spring-service的配置

spring-mvc的配置

application的配置

Web.xml的配置

    <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:applicationContext.xml</param-value>
            </init-param>
            <load-on-startup>1</load-on-startup>
        </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>


<!--    乱码过滤-->
    <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>

        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>


    <welcome-file-list>
        <welcome-file>/jsp/login.jsp</welcome-file>
    </welcome-file-list>


    <locale-encoding-mapping-list>
        <locale-encoding-mapping>
            <locale>zh</locale>
            <encoding>UTF-8</encoding>
        </locale-encoding-mapping>
    </locale-encoding-mapping-list>

测试类

  @Test
  public void  teasdf1283(){


      int i = bookService.modifyStock(1,Long.parseLong("1"));
      int a= 5/0;
  }