教师管理平台-----servlet+html教师上传视频+主页显示视频封面图+视频播放页面

第三个功能:教师上传视频文件+主页推荐视频+视频播放页面

目录接上:https://blog.youkuaiyun.com/ignite_/article/details/90489821

新增数据表:

新增实体类：

Course(课程表)

package Domain;

public class Course {
    private String id;
    private String course_path;
    private String create_userid;
    private String course_name;
    private String course_describe;
    private String first_image;
    private String course_type;
    private String course_Ttype;
    private String course_time;

    @Override
    public String toString() {
        return "Course{" +
                "id='" + id + '\'' +
                ", course_path='" + course_path + '\'' +
                ", create_userid='" + create_userid + '\'' +
                ", course_name='" + course_name + '\'' +
                ", course_describe='" + course_describe + '\'' +
                ", first_image='" + first_image + '\'' +
                ", course_type='" + course_type + '\'' +
                ", course_Ttype='" + course_Ttype + '\'' +
                ", course_time='" + course_time + '\'' +
                ", create_time='" + create_time + '\'' +
                '}';
    }

    public void setCourse_time(String course_time) {
        this.course_time = course_time;
    }

    public String getCourse_time() {
        return course_time;
    }

    public String getCourse_Ttype() {
        return course_Ttype;
    }

    public void setCourse_Ttype(String course_Ttype) {
        this.course_Ttype = course_Ttype;
    }

    private String create_time;

    public String getId() {
        return id;
    }

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

    public String getCourse_path() {
        return course_path;
    }

    public void setCourse_path(String course_path) {
        this.course_path = course_path;
    }

    public String getCreate_userid() {
        return create_userid;
    }

    public void setCreate_userid(String create_userid) {
        this.create_userid = create_userid;
    }

    public String getCourse_name() {
        return course_name;
    }

    public void setCourse_name(String course_name) {
        this.course_name = course_name;
    }

    public String getCourse_describe() {
        return course_describe;
    }

    public void setCourse_describe(String course_describe) {
        this.course_describe = course_describe;
    }

    public String getFirst_image() {
        return first_image;
    }

    public void setFirst_image(String first_image) {
        this.first_image = first_image;
    }

    public String getCourse_type() {
        return course_type;
    }

    public void setCourse_type(String course_type) {
        this.course_type = course_type;
    }

    public String getCreate_time() {
        return create_time;
    }

    public void setCreate_time(String create_time) {
        this.create_time = create_time;
    }
}

CourseJson(存储Course+部分User)

package Domain.json;

import Domain.Course;

public class CourseJson {
    Course course = new Course();
    private String user_id;
    private String nickname;
    private String picture;
    @Override
    public String toString() {
        return "CourseJson{" +
                "course=" + course +
                ", user_id='" + user_id + '\'' +
                ", nickname='" + nickname + '\'' +
                ", picture='" + picture + '\'' +
                '}';
    }

    public Course getCourse() {
        return course;
    }

    public String getUser_id() {
        return user_id;
    }

    public String getNickname() {
        return nickname;
    }

    public String getPicture() {
        return picture;
    }

    public void setCourse(Course course) {
        this.course = course;
    }

    public void setUser_id(String user_id) {
        this.user_id = user_id;
    }

    public void setNickname(String nickname) {
        this.nickname = nickname;
    }

    public void setPicture(String picture) {
        this.picture = picture;
    }
}

新增CourseDao

CourseDaoImpl:

package Dao.Impl;

import Dao.CourseDao;
import Domain.Course;
import Utils.JDBCUtils;
import org.apache.commons.dbutils.QueryRunner;
import