关于url是怎么映射de

Question

<Context path="/workspace" ..../>
workspace\WEB-INF的web.xml内容:
<servlet>
<servlet-name>abc</servlet-name>
<servlet-class>user</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>abc</servlet-name>
<url-pattern>/user</servlet-class> <--第一个代码部分:这里???
</servlet>
http://localhost:8080/workspace/user    访问成功
----------------------------------
<web-app>
    <servlet>
        <servlet-name>DateHttpServlet</servlet-name>
        <servlet-class>com.xxx.servlet.DateHttpServlet</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>DateHttpServlet</servlet-name>
        <url-pattern>/http/date</url-pattern>
    </servlet-mapping>
</web-app>