mec/mec-web/src/test/java/com/ym/Test.java

package com.ym;

import com.ym.mec.biz.dal.dto.ClassDateAdjustDto;
import com.ym.mec.biz.dal.entity.CourseSchedule;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.List;

/**
 * @Author Joburgess
 * @Date 2019/9/24
 */
public class Test {

    @org.junit.Test
    public void test1(){
        ClassDateAdjustDto temp=new ClassDateAdjustDto();
        temp.setClassDate(new Date());
        temp.setWeekNum(1);
        temp.setId(1L);
        CourseSchedule courseSchedule=new CourseSchedule();
//        courseSchedule=temp;
        BeanUtils.copyProperties(temp,courseSchedule);
        courseSchedule.setId(2L);
        System.out.println(courseSchedule.getId());
    }

    @org.junit.Test
    public void test2() throws IOException {
        System.out.println(System.getProperty("java.io.tmpdir"));
        File file=new File("E:\test.txt");
        file.createNewFile();
    }

    @org.junit.Test
    public void test3(){
        List<Integer> list=new ArrayList<>();
        list.add(1);
        list.add(2);
        list.add(3);
        list.add(1);
        HashSet<Integer> hashSet=new HashSet<>(list);
        String join = StringUtils.join(hashSet, ",");
        System.out.println(join);
    }

}