SSM-SpringMVC-05:SpringMVC视图解析器InternalResourceViewResolver配置

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视图解析器------默认就有配置,但是默认的在实际使用过程中有很多不方便的地方,所以我们配置一道视图解析器

在自己的配置文件xml中,配一个bean节点

    <!--视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!--前-->
        <property name="prefix" value="/"></property>
        <!--后-->
        <property name="suffix" value=".jsp"></property>
    </bean>

在自定义的处理器中就可以省略/和.jsp的写法

package cn.dawn.day02viewResolver;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Created by Dawn on 2018/3/19.
 */
//处理器
public class FirstController implements Controller {
    /**
     * handleRequest    处理请求
     * @param httpServletRequest
     * @param httpServletResponse
     * @return
     * @throws Exception
     */
    public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
        ModelAndView me=new ModelAndView();
        //因为视图解析器已经把前后所要写的/和.jsp写了,此处的index就代表/index.jsp
        me.setViewName("index");
        return me;
    }
}