<?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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">

    <!--添加視圖解析器
        視圖解析器作用：
             比如我們要訪問/admin/main.jsp時(shí)，傳統(tǒng)頁面跳轉(zhuǎn)需要輸入完整URI訪問路徑,
             而使用了視圖解析器后，會(huì)自動(dòng)在訪問路徑前后添加配置前綴和配置后綴,
             比如配置了如下前綴和后綴后，我們要訪問/admin/main.jsp，訪問路徑只需要寫main就可以了
    -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!--配置前綴-->
        <property name="prefix" value="/admin/"></property>
        <!--配置后綴-->
        <property name="suffix" value=".jsp"></property>
    </bean>
</beans>

@Controller
public class JumpAction {
    @RequestMapping("/one")
    public String one(){
        System.out.println("請(qǐng)求轉(zhuǎn)發(fā)頁面(默認(rèn))");
        return "main";
        //方法返回"main"，"main"會(huì)被視圖解析器添加前后綴，變成/admin/main.jsp，接著訪問該URI對(duì)應(yīng)的頁面。
    }

public class UrlBasedViewResolver extends AbstractCachingViewResolver implements Ordered {
    public static final String REDIRECT_URL_PREFIX = "redirect:";//重定向
    public static final String FORWARD_URL_PREFIX = "forward:";//轉(zhuǎn)發(fā)
    private String prefix = "";//前綴
    private String suffix = "";//后綴

<a href="${pageContext.request.contextPath}/one.action" rel="external nofollow" >請(qǐng)求轉(zhuǎn)發(fā)頁面(默認(rèn))</a><br>
<a href="${pageContext.request.contextPath}/two.action" rel="external nofollow" >請(qǐng)求轉(zhuǎn)發(fā)action</a><br>
<a href="${pageContext.request.contextPath}/three.action" rel="external nofollow" >重定向頁面</a><br>
<a href="${pageContext.request.contextPath}/four.action" rel="external nofollow" >重定向action</a><br>

@Controller
public class JumpAction {
    @RequestMapping("/one")
    public String one(){
        System.out.println("請(qǐng)求轉(zhuǎn)發(fā)頁面(默認(rèn))");
        //return "main"; //這種訪問方式，默認(rèn)會(huì)調(diào)用視圖解析器自動(dòng)拼接前綴和后綴進(jìn)行請(qǐng)求轉(zhuǎn)發(fā)頁面跳轉(zhuǎn)
        return "forward:/fore/user.jsp";//只要使用了forward:就可以屏蔽前綴和后綴的拼接,自己手工構(gòu)建返回的路徑
    }
    @RequestMapping("/two")
    public String two(){
        System.out.println("請(qǐng)求轉(zhuǎn)發(fā)action");
        return "forward:/other.action";
    }
    @RequestMapping("/three")
    public String three(){
        System.out.println("重定向頁面");
        return "redirect:/admin/main.jsp";//只要使用了redirect:就可以屏蔽前綴和后綴的拼接,自己手工構(gòu)建返回的路徑
    }
    @RequestMapping("/four")
    public String four(){
        System.out.println("重定向action");
        //觀察地址欄的變化  http://localhost:8080/other.action
        return "redirect:/other.action";
    }
}