org.springframework.web.servlet.PageNotFoundnoHandlerFound得到這個-有解無憂

2022 年 6 月 26 日下午 5:27:51 org.springframework.web.servlet.PageNotFound noHandlerFound 警告：在 DispatcherServlet 中找不到具有 URI [/hello/] 的 HTTP 請求的映射，名稱為“spring”在控制臺中獲取此資訊，服務器正在獲取啟動成功，但 http://localhost:8080/hello/ http://localhost:8080/greeting/ 沒有加載，請您幫忙..


            Controller class
            import org.springframework.context.annotation.ComponentScan;
            import org.springframework.stereotype.Controller;
            import org.springframework.web.bind.annotation.RequestMapping;
            import org.springframework.web.servlet.ModelAndView;
            @Controller
            public class SimpleController {
            @RequestMapping("/hello")
            public String hello() {
                
                return "index";
                
            }
            @RequestMapping("/greeting")
            public ModelAndView greet() {
                
                
                ModelAndView mav = new ModelAndView("greet"); 
                mav.addObject("greeting", "Hi this me");
                    
                    
                return mav; 
                }
                
            }

<?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" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">

web.xml-> SpringMVC

   <servlet>    
    <servlet-name>spring</servlet-name>    
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>    
    <load-on-startup>1</load-on-startup>      
</servlet>    
<servlet-mapping>    
    <servlet-name>spring</servlet-name>    
    <url-pattern>/</url-pattern>    
</servlet-mapping>  

 
</web-app>  
spring-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:mvc="http://www.springframework.org/schema/mvc"  
    xsi:schemaLocation="  
        http://www.springframework.org/schema/beans  
        http://www.springframework.org/schema/beans/spring-beans.xsd  
        http://www.springframework.org/schema/context  
        http://www.springframework.org/schema/context/spring-context.xsd  
        http://www.springframework.org/schema/mvc  
        http://www.springframework.org/schema/mvc/spring-mvc.xsd">  
  
    <!-- Provide support for component scanning -->  
    <context:component-scan base-package="com.springmvc" />  
   <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/WEB-INF/views/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
    <!--Provide support for conversion, formatting and validation -->  
    <context:annotation-config/>
    <mvc:annotation-driven/>  

</beans>  

greet.jsp-->
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>

<body>
<p>Hi</p>
${greeting}
</body>
</html>

 -->index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>

<body>
<p>Hi</p>
</body>
</html>

uj5u.com熱心網友回復：

你應該試試 http://localhost:8080/hello ，沒有最后一個反斜杠

uj5u.com熱心網友回復：

確保專案中的maven依賴右鍵單擊你的專案>屬性>選擇依賴組件選項卡選擇添加->添加Maven依賴

uj5u.com熱心網友回復：

通過在 lib 路徑中添加 jstl jar 解決了這個問題。感謝您的回答和支持。

轉載請註明出處，本文鏈接：https://www.uj5u.com/yidong/498484.html

標籤：爪哇春天弹簧MVC 雄猫小服务程序

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