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src/main/java/io/renren/modules/admin/controller/MeetingController.java

import io.renren.modules.admin.entity.TypesOfAttendersEntity;
import io.renren.modules.admin.entity.EmployeeEntity;
import io.renren.modules.admin.form.MeetingForm;
import io.renren.modules.admin.form.TitlePicture;
import io.renren.modules.admin.form.TitlePictureForm;
import io.renren.modules.admin.service.IndustryService;
import io.renren.modules.admin.service.MeetingService;
import io.renren.modules.admin.service.SubjectService;
        Date[] startAndEndTime = new Date[2];
        startAndEndTime[0] = meeting.getStartTime();
        startAndEndTime[1] = meeting.getEndTime();
        ArrayList <TitlePicture> arlist = new ArrayList <TitlePicture>();
        ArrayList <TitlePictureForm> arlist = new ArrayList <TitlePictureForm>();
        if (meeting.getTitlePicture().indexOf(",") != -1) {
            String[] arr = meeting.getTitlePicture().split(",");
            int i = 0;
            for (String string : arr) {
                TitlePicture tip = new TitlePicture();
                i++;
                TitlePictureForm tip = new TitlePictureForm();
                tip.setStatus("success");
                tip.setUid(new Date().getTime());
                tip.setUid((new Date().getTime())+i);
                tip.setUrl("http://192.168.3.233" + string);
                arlist.add(tip);
            }
        } else {
            TitlePicture tip = new TitlePicture();
            TitlePictureForm tip = new TitlePictureForm();
            tip.setStatus("success");
            tip.setUid(new Date().getTime());
            tip.setUrl("http://192.168.3.233" + meeting.getTitlePicture());
        String[] subjects = meetingForm.getSubjects();
        String[] industries = meetingForm.getIndustries();
        String[] attendersType = meetingForm.getAttendersType();
        Date[] startAndEndTime = meetingForm.getStartAndEndTime();
        for (String s : subjects) {
            int i = subjectService.selectIsName(s);
            if(i==0){
        meeting.setNameCn(meetingForm.getNameCn());
        meeting.setNameEn(meetingForm.getNameEn());
        meeting.setAddress(meetingForm.getAddress());
        Date[] startAndEndTime = meetingForm.getStartAndEndTime();
        if (startAndEndTime != null && startAndEndTime.length == 2) {
            meeting.setStartTime(startAndEndTime[0]);
            meeting.setEndTime(startAndEndTime[1]);
        }
        meeting.setOfficeWebsite(meetingForm.getOfficeWebsite());
        String[] titlePictures = meetingForm.getTitlePicture();
        TitlePictureForm[] titlePictures = meetingForm.getTitlePicture();
        String titlePicture = StringUtils.join(titlePictures, ",");
        String titlePicture = "";
        for (int i = 0; i < titlePictures.length; i++) {
            if (i==0) {
                titlePicture += titlePictures[i].getUrl();
            } else {
                titlePicture += "," + titlePictures[i].getUrl();
            }
        }
        meeting.setTitlePicture(titlePicture);
        meeting.setSubjects(StringUtils.join(meetingForm.getSubjects(), ","));
        meeting.setIndustries(StringUtils.join(meetingForm.getIndustries(), ","));
            meeting.setEndTime(startAndEndTime[1]);
        }
        meeting.setOfficeWebsite(meetingForm.getOfficeWebsite());
        String[] titlePictures = meetingForm.getTitlePicture();
        TitlePictureForm[] titlePictures = meetingForm.getTitlePicture();
        String titlePicture = StringUtils.join(titlePictures, ",");
        String titlePicture = "";
        for (int i = 0; i < titlePictures.length; i++) {
            if (i==0) {
                titlePicture += titlePictures[i].getUrl();
            } else {
                titlePicture += "," + titlePictures[i].getUrl();
            }
        }
        meeting.setTitlePicture(titlePicture);
        meeting.setSubjects(StringUtils.join(meetingForm.getSubjects(), ","));
        meeting.setIndustries(StringUtils.join(meetingForm.getIndustries(), ","));

src/main/java/io/renren/modules/admin/form/MeetingForm.java

package io.renren.modules.admin.form;
import java.util.Date;
import io.renren.modules.admin.form.TitlePictureForm;
import lombok.Data;
	/**
	 * 会议封面图片地址
	 */
	private String[] titlePicture;
	private TitlePictureForm[] titlePicture;
	/**
	 * 涉及学科
	 */

src/main/java/io/renren/modules/admin/form/TitlePicture.java

 * 会议图片
 */
@Data
public class TitlePicture {
public class TitlePictureForm {
    String status;
    Long uid;
    String url;