网上投票系统（java实现）

package com.vote.voting.struts.action; import java.util.List; import java.util.Set; import org.apache.struts2.ServletActionContext; import com.vote.option.service.OptionService; import com.vote.option.vo.Option; import com.vote.util.GetFormatDate; import com.vote.voting.service.VotingService; import com.vote.voting.vo.Voting; public class VotingAction { private VotingService votingService; private Voting voting; private String[] options; private OptionService optionService; private long vid; private int userid; public int getUserid() { return userid; } public void setUserid(int userid) { this.userid = userid; } public void setVotingService(VotingService votingService) { this.votingService = votingService; } public Voting getVoting() { return voting; } public void setVoting(Voting voting) { this.voting = voting; } public String[] getOptions() { return options; } public void setOptions(String[] options) { this.options = options; } public void setOptionService(OptionService optionService) { this.optionService = optionService; } public long getVid() { return vid; } public void setVid(long vid) { this.vid = vid; } public String queryAll(){ List<Voting> listvoting = votingService.queryAll(); ServletActionContext.getRequest().setAttribute("listvoting", listvoting); return "queryAll"; } public String addPage(){ return "addPage"; } public String addVoting(){ long v_id = GetFormatDate.getId(); voting.setVoting_id(v_id); voting.setVoting_date(GetFormatDate.getDate()); votingService.addVoting(voting); for(int i=1;i<options.length;i++){ optionService.addOption(options[i], v_id); } return queryAll(); } public String showVote(){ boolean flag = votingService.checkVoting(vid, userid); if(flag){ return "alreadyHave"; }else{ voting = votingService.queryOne(vid); List<Option> listoption = optionService.queryAllByVid(vid); ServletActionContext.getRequest().setAttribute("listoption", listoption); return "showVote"; } } }