service目錄下的兩個class文件是亂碼的，請問要用什么格式打開呢
漱壕? ?1 ? 0com/imooc/mvcdemo/service/impl/CourseServiceImpl java/lang/Object 'com/imooc/mvcdemo/service/CourseService <init> ()V Code
? LineNumberTable LocalVariableTable this 2Lcom/imooc/mvcdemo/service/impl/CourseServiceImpl;?
getCoursebyId 5(Ljava/lang/Integer;)Lcom/imooc/mvcdemo/model/Course; com/imooc/mvcdemo/model/Course
?
? setCourseId (Ljava/lang/Integer;)V 娣卞叆嫻呭嚭Java澶氱嚎紼? setTitle (Ljava/lang/String;)V? resources/imgs/course-img.jpg
? " # ?
setImgPath
?% ' & java/lang/Integer ( ) valueOf (I)Ljava/lang/Integer;
? + , setLearningNum
? . / setLevel 1 涓駭
? 3 4 setLevelDesc? ? ? ?
2019-09-01
package com.imooc.mvcdemo.service.impl;
import java.util.ArrayList;
import java.util.List;
import org.springframework.stereotype.Service;
import com.imooc.mvcdemo.model.Chapter;
import com.imooc.mvcdemo.model.Course;
import com.imooc.mvcdemo.service.CourseService;
@Service("courseService")
public class CourseServiceImpl implements CourseService {
public Course getCoursebyId(Integer courseId) {
Course course = new Course();
course.setCourseId(courseId);
course.setTitle("深入淺出Java多線程");
course.setImgPath("resources/imgs/course-img.jpg");
course.setLearningNum(12345);
course.setLevel(2);
course.setLevelDesc("中級");
course.setDuration(7200l);
course.setDescr("多線程是日常開發(fā)中的常用知識，也是難用知識。bala bala...");
按照教程把前面文件檢查一遍，和視頻里面一樣還有就是編碼格式都改為UTF-8即可