spring 代码

@Controller
public class HtmlController {
@RequestMapping(value={“index.html”,”index”})
public String handleHtml(HttpServletRequest request){
//return request.getRequestURI();
return “redirect:/index.html”;
}

}

@Controller
public class LoginController {

private UserService userService = new UserServiceImpl();

@RequestMapping("/login")protected void login(HttpServletRequest request,                         HttpServletResponse response) {    Boolean result = null;    String userName = request.getParameter("userName");    String password = request.getParameter("password");    if(userName == null || userName.equals("")) {        result=false;    }else if(password==null || password.equals("")) {        result = false;    }else {        //校验用户名和密码是否正确        UserVo userVo = new UserVo();        userVo.setUsername(userName);        userVo.setPassword(password);        result = userService.checkUserLoginInfo(userVo);    }    try {        OutputStream outputStream = response.getOutputStream();        outputStream.write(result.toString().getBytes());        outputStream.close();    } catch (IOException e) {        e.printStackTrace();    }}

}

web.xml:

<?xml version="1.0" encoding="UTF-8"?>  <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"      xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"      version="3.0">      <display-name></display-name>      <context-param>          <param-name>contextConfigLocation</param-name>          <param-value>              classpath:applicationContext.xml          </param-value>      </context-param>     <!--  <listener>          <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>      </listener> -->      <servlet-mapping>        <servlet-name>default</servlet-name>          <url-pattern>*.js</url-pattern>      </servlet-mapping>    <servlet-mapping>        <servlet-name>default</servlet-name>          <url-pattern>*.html</url-pattern>      </servlet-mapping>    <servlet-mapping>        <servlet-name>default</servlet-name>          <url-pattern>*.css</url-pattern>      </servlet-mapping>     <error-page>        <error-code>404</error-code>        <location>/WEB-INF/error/404.html</location>    </error-page>    <error-page>        <error-code>500</error-code>        <location>/WEB-INF/error/500.html</location>    </error-page>    <servlet>          <servlet-name>springmvc</servlet-name>          <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>          <load-on-startup>1</load-on-startup>      </servlet>      <servlet-mapping>          <servlet-name>springmvc</servlet-name>          <url-pattern>/</url-pattern>    </servlet-mapping>  </web-app>  

springmvc-servlet.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:p="http://www.springframework.org/schema/p"    xmlns:mvc="http://www.springframework.org/schema/mvc"    xsi:schemaLocation="http://www.springframework.org/schema/beans             http://www.springframework.org/schema/beans/spring-beans-4.0.xsd            http://www.springframework.org/schema/context             http://www.springframework.org/schema/context/spring-context-4.0.xsd            http://www.springframework.org/schema/mvc              http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd            ">    <!-- 扫描控制器包-->    <context:component-scan base-package="com.cmb.ccc.controller" />    <!-- 启用spring mvc 注解-->    <mvc:annotation-driven />    <!-- 配置拦截器, 多个拦截器,顺序执行  -->    <mvc:interceptors>          <mvc:interceptor>              <mvc:mapping path="/**" />            <bean class="com.cmb.ccc.interceptor.LoginInterceptor"></bean>          </mvc:interceptor>    </mvc:interceptors></beans>