黔程似锦 2022-07-28 17:53 采纳率: 50%

已结题

ssm框架跳转页面404

ssm框架项目的时候tomcat启动都正常，但是跳转页面就404，也配置RequestMapping注解了,是映射文件为空还是没有映射呢，有遇到过这样问题的吗

controller层代码

package com.duing.controller;

import com.duing.service.FilmService;
import com.duing.vo.FilmDetailVo;
import com.duing.vo.FilmVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.List;

@Controller
public class FilmController {
    @Autowired
    private FilmService filmService;
    @RequestMapping("/filmList")
    @ResponseBody
    public List<FilmVo> selectAll(){
        List<FilmVo> filmVos = filmService.selectAll();
        return filmVos;
    }
    @RequestMapping("/home")
    public String home(Model model){
        System.out.println("接受首页请求");
        List<FilmVo> filmVoList = filmService.selectAll();
        model.addAttribute("filmVoList",filmVoList);
        return "home";
    }
//    接受请求参数
    @RequestMapping("/filmInfo")
    public String filmInfo(@RequestParam String filmId, Model model){
        FilmDetailVo detailVo=filmService.findFilmById(filmId);
        model.addAttribute("detailVo",detailVo);
        return "detail";
    }

}

dao层

package com.duing.dao;

import com.duing.entity.Film;

import java.util.List;

public interface FilmDao {
    List<Film> getList();
    Film getFilmById(String filmId);
}

跟数据库映射的实体类

package com.duing.entity;

import java.io.Serializable;
import java.util.Date;
//  实体类 跟数据库的表映射
public class Film implements Serializable {

    private static final long serialVersionUID = -4427069375523038931L;
    private long id;
    private String film_id;
    private String name;
    private String director;
    private String player;
    private String type;
    private String country;
    private int length;
    private String synopsis;
    private Date play_time;
    private String img_path;

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getFilm_id() {
        return film_id;
    }

    public void setFilm_id(String film_id) {
        this.film_id = film_id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDirector() {
        return director;
    }

    public void setDirector(String director) {
        this.director = director;
    }

    public String getPlayer() {
        return player;
    }

    public void setPlayer(String player) {
        this.player = player;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getCountry() {
        return country;
    }

    public void setCountry(String country) {
        this.country = country;
    }

    public int getLength() {
        return length;
    }

    public void setLength(int length) {
        this.length = length;
    }

    public String getSynopsis() {
        return synopsis;
    }

    public void setSynopsis(String synopsis) {
        this.synopsis = synopsis;
    }

    public Date getPlay_time() {
        return play_time;
    }

    public void setPlay_time(Date play_time) {
        this.play_time = play_time;
    }

    public String getImg_path() {
        return img_path;
    }

    public void setImg_path(String img_path) {
        this.img_path = img_path;
    }
}

service层

package com.duing.entity;

import java.io.Serializable;
import java.util.Date;
//  实体类 跟数据库的表映射
public class Film implements Serializable {

    private static final long serialVersionUID = -4427069375523038931L;
    private long id;
    private String film_id;
    private String name;
    private String director;
    private String player;
    private String type;
    private String country;
    private int length;
    private String synopsis;
    private Date play_time;
    private String img_path;

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getFilm_id() {
        return film_id;
    }

    public void setFilm_id(String film_id) {
        this.film_id = film_id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDirector() {
        return director;
    }

    public void setDirector(String director) {
        this.director = director;
    }

    public String getPlayer() {
        return player;
    }

    public void setPlayer(String player) {
        this.player = player;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getCountry() {
        return country;
    }

    public void setCountry(String country) {
        this.country = country;
    }

    public int getLength() {
        return length;
    }

    public void setLength(int length) {
        this.length = length;
    }

    public String getSynopsis() {
        return synopsis;
    }

    public void setSynopsis(String synopsis) {
        this.synopsis = synopsis;
    }

    public Date getPlay_time() {
        return play_time;
    }

    public void setPlay_time(Date play_time) {
        this.play_time = play_time;
    }

    public String getImg_path() {
        return img_path;
    }

    public void setImg_path(String img_path) {
        this.img_path = img_path;
    }
}

service接口

package com.duing.service;

import com.duing.vo.FilmDetailVo;
import com.duing.vo.FilmVo;

import java.util.List;

public interface FilmService {
    List<FilmVo> selectAll();
    FilmDetailVo findFilmById(String filmId);
}

vo数据

package com.duing.vo;

import java.util.Date;

public class FilmDetailVo {
    private String filmId;
    private String name;
    private String director;
    private String player;
    private String type;
    private String country;
    private int length;
    private String synopsis;
    private Date playTime;
    private String imgPath;

    public String getFilmId() {
        return filmId;
    }

    public void setFilmId(String filmId) {
        this.filmId = filmId;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDirector() {
        return director;
    }

    public void setDirector(String director) {
        this.director = director;
    }

    public String getPlayer() {
        return player;
    }

    public void setPlayer(String player) {
        this.player = player;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getCountry() {
        return country;
    }

    public void setCountry(String country) {
        this.country = country;
    }

    public int getLength() {
        return length;
    }

    public void setLength(int length) {
        this.length = length;
    }

    public String getSynopsis() {
        return synopsis;
    }

    public void setSynopsis(String synopsis) {
        this.synopsis = synopsis;
    }

    public Date getPlayTime() {
        return playTime;
    }

    public void setPlayTime(Date playTime) {
        this.playTime = playTime;
    }

    public String getImgPath() {
        return imgPath;
    }

    public void setImgPath(String imgPath) {
        this.imgPath = imgPath;
    }
}

package com.duing.vo;
//  视图层对象 用来展示给用户使用
public class FilmVo {
    private String filmId;
    private String name;
    private String director;
    private String imgPath;

    public String getFilmId() {
        return filmId;
    }

    public void setFilmId(String filmId) {
        this.filmId = filmId;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDirector() {
        return director;
    }

    public void setDirector(String director) {
        this.director = director;
    }

    public String getImgPath() {
        return imgPath;
    }

    public void setImgPath(String imgpath) {
        this.imgPath = imgpath;
    }
}

mapper配置文件

package com.duing.vo;
//  视图层对象 用来展示给用户使用
public class FilmVo {
    private String filmId;
    private String name;
    private String director;
    private String imgPath;

    public String getFilmId() {
        return filmId;
    }

    public void setFilmId(String filmId) {
        this.filmId = filmId;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDirector() {
        return director;
    }

    public void setDirector(String director) {
        this.director = director;
    }

    public String getImgPath() {
        return imgPath;
    }

    public void setImgPath(String imgpath) {
        this.imgPath = imgpath;
    }
}

mybatis配置

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
       PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

    <mappers>
        <package name="com.duing.dao"/>
    </mappers>

</configuration>

spring配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
        http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/tx
        https://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/context
        https://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/mvc
        https://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd">

    <context:component-scan base-package="com.duing.service"/>


    <context:property-placeholder location="classpath:druid.properties"/>


    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>

    <bean id="factory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:/mybatis.xml"/>

        <property name="mapperLocations" value="classpath:mappers/*.xml"/>
    </bean>

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="factory"/>
        <property name="basePackage" value="com.duing.dao"/>
    </bean>
</beans>

springmvc配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
        http://www.springframework.org/schema/context
        https://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/mvc
        https://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd">

    <context:component-scan base-package="com.duing.controller"/>

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>

    <mvc:resources mapping="/img/**" location="/img/"/>
    <mvc:resources mapping="/css/**" location="/css/"/>


    <mvc:annotation-driven/>
</beans>

jsp文件

<%--
  Created by IntelliJ IDEA.
  User: 22018
  Date: 2022/7/28
  Time: 15:23
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <div>
        <img src="${pageContext.request.contextPath}${detailVo.imgPath}">
        <p>${detailVo.name}</p>
        <p>${detailVo.country}</p>
        <p>${detailVo.length}分钟</p>
        <p>${detailVo.director}</p>
        <p>${detailVo.player}</p>
        <p>${detailVo.synopsis}</p>

    </div>
</body>
</html>

web配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         version="3.0">


    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:/spring.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <servlet>
        <servlet-name>DispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:/springmvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    
    <servlet-mapping>
        <servlet-name>DispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>


    <filter>
        <filter-name>characterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceRequestEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>forceResponseEncoding</param-name>
            <param-value>true</param-value>
        </init-param>

    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

index文件

<html>
<body>
<h2>Hello World!</h2>
<jsp:forward page="/home"/>
</body>
</html>

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BCS-点心 2022-07-29 09:45
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跳转路径不对，缺少/tidket

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ssm框架跳转页面404

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