基于开源工作流引擎OSWorkflow的业务系统实例——请假审批系统2

阅读更多

java 代码

package com.qiny.leave;

import java.util.Map;
import com.opensymphony.module.propertyset.PropertySet;
import com.opensymphony.workflow.FunctionProvider;
import com.opensymphony.workflow.spi.WorkflowEntry;

import com.qiny.dao.LeaveDAO;
import org.apache.log4j.Logger;

public class ApplyFunction implements FunctionProvider {

  private static Logger logger = (Logger) Logger.getInstance(ApplyFunction.class);

  public void execute(Map transientVars, Map args, PropertySet ps) {
    logger.info("execute ......");
    WorkflowEntry entry = (WorkflowEntry) transientVars.get("entry");
    long wfid = entry.getId();
    int actionId = ((Integer) transientVars.get("actionId")).intValue();
    logger.info("execute actionId=" + actionId);
    String applicant = (String) transientVars.get("applicant");
    String reason = (String) transientVars.get("reason");
    int dayCount = ((Integer) transientVars.get("dayCount")).intValue();
    LeaveApply leaveApply = new LeaveApply(applicant, reason, dayCount);
    leaveApply.setWfid(wfid);
    LeaveDAO leaveDao = new LeaveDAO();
    leaveDao.addLeaveApply(leaveApply);
    ps.setInt("dayCount", dayCount);
    logger.info("execute leaveDao has added leaveApply!");
  }
}




package com.qiny.leave;

import java.util.Map;
import com.opensymphony.module.propertyset.PropertySet;
import com.opensymphony.workflow.FunctionProvider;
import com.opensymphony.workflow.spi.WorkflowEntry;

import com.qiny.dao.LeaveDAO;
import org.apache.log4j.Logger;

public class ApproveFunction implements FunctionProvider {

  private static Logger logger = (Logger) Logger.getInstance(ApproveFunction.class);

  public void execute(Map transientVars, Map args, PropertySet ps) {
    logger.info("execute ......");
    WorkflowEntry entry = (WorkflowEntry) transientVars.get("entry");
    long wfid = entry.getId();
    int actionId = ((Integer) transientVars.get("actionId")).intValue();
    logger.info("execute actionId=" + actionId);
    int applyID = ((Integer) transientVars.get("applyID")).intValue();
    String approver = (String) transientVars.get("approver");
    int opinion = ((Integer) transientVars.get("opinion")).intValue();
    LeaveApprove LeaveApprove = new LeaveApprove(applyID, approver, opinion);
    LeaveDAO leaveDao = new LeaveDAO();
    leaveDao.addLeaveApprove(LeaveApprove);
    ps.setInt("opinion", opinion);
    logger.info("execute leaveDao has added leaveApprove!");
  }
}


package com.qiny.leave;

public class LeaveApply {

  private int applyID; //申请ID 主键
  private String applicant; //申请人
  private String reason; //原因
  private String applyTime; //申请时间，为简单起见用字符串表示
  private int dayCount; //申请天数，在某种业务逻辑下，用作流程判断
  private long wfid; //所属工作流实例id

  public LeaveApply(){
  }

  public LeaveApply(String applicant,String reason,int dayCount){
    this.applicant = applicant;
    this.reason = reason;
    this.dayCount = dayCount;
  }

  public int getApplyID() {
    return applyID;
  }

  public String getApplicant() {
    return applicant;
  }

  public String getReason() {
    return reason;
  }

  public String getApplyTime() {
    return applyTime;
  }

  public int getDayCount() {
    return dayCount;
  }

  public long getWfid() {
    return wfid;
  }

  public void setApplyID(int applyID) {
    this.applyID = applyID;
  }

  public void setApplicant(String applicant) {
    this.applicant = applicant;
  }

  public void setReason(String reason) {
    this.reason = reason;
  }

  public void setApplyTime(String applyTime) {
    this.applyTime = applyTime;
  }

  public void setDayCount(int dayCount) {
    this.dayCount = dayCount;
  }

  public void setWfid(long wfid) {
    this.wfid = wfid;
  }

}


package com.qiny.leave;

public class LeaveApprove {

  private int applyID;  //申请id
  private String approver;  //批准人
  private String approveTime;  //批准时间,简单起见用字符串表示
  private int opinion;  //意见 1:批准; 2:拒绝

  public LeaveApprove(){
  }

  public LeaveApprove(int applyID,String approver,int opinion){
    this.applyID = applyID;
    this.approver = approver;
    this.opinion = opinion;
  }

  public String getOpinionString(){
    return opinion == 1 ? "批准" : "拒绝";
  }

  public int getApplyID() {
    return applyID;
  }

  public String getApprover() {
    return approver;
  }

  public String getApproveTime() {
    return approveTime;
  }

  public int getOpinion() {
    return opinion;
  }

  public void setApplyID(int applyID) {
    this.applyID = applyID;
  }

  public void setApprover(String approver) {
    this.approver = approver;
  }

  public void setApproveTime(String approveTime) {
    this.approveTime = approveTime;
  }

  public void setOpinion(int opinion) {
    this.opinion = opinion;
  }


}




package com.qiny.dao;

import java.util.List;
import java.util.ArrayList;

import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.sql.DataSource;

import javax.naming.InitialContext;
import javax.naming.NamingException;

import com.qiny.leave.LeaveApply;
import com.qiny.leave.LeaveApprove;

public class LeaveDAO {

  protected static DataSource ds = null;

  public LeaveDAO() {
    if (ds == null) {
      try {
        InitialContext ic = new InitialContext();
        ds = (DataSource) ic.lookup("java:JSQLConnectDB_LeaveApply");
      } catch (NamingException ne) {
        throw new RuntimeException("NamingException while looking");
      }
    }
  }

  public void addLeaveApply(LeaveApply leaveApply) {
    try {
      String exeSql = ""
          + " INSERT INTO bus_leaveApply (applicant,reason,applyTime,dayCount,wfid)"
          + " VALUES ('" + leaveApply.getApplicant() + "','" + leaveApply.getReason()
          + " ',CONVERT(VARCHAR(20),GETDATE(),121 ),'" + leaveApply.getDayCount()
          + " '," + leaveApply.getWfid() + ")";
      Connection connection = ds.getConnection();
      Statement statement = connection.createStatement();
      statement.execute(exeSql);
      statement.close();
      connection.close();
    } catch (SQLException ex) {
      throw new RuntimeException("DAO addLeaveApply failed!\n" + ex.getMessage());
    }
  }

  public void addLeaveApprove(LeaveApprove leaveApproval) {
    try {
      String exeSql = ""
          + " INSERT INTO bus_leaveApprove (applyID,approver,approveTime,opinion)"
          + " VALUES ('" + leaveApproval.getApplyID() + "','" + leaveApproval.getApprover()
          + " ',CONVERT(VARCHAR(20),GETDATE(),121 )," + leaveApproval.getOpinion() + ")";
      Connection connection = ds.getConnection();
      Statement statement = connection.createStatement();
      statement.execute(exeSql);
      statement.close();
      connection.close();
    } catch (SQLException ex) {
      throw new RuntimeException("DAO addLeaveApprove failed!\n" + ex.getMessage());
    }
  }

  public LeaveApply getLeaveApply(long wfid) {
    LeaveApply leaveApply = new LeaveApply();
    try {
      String querySql = ""
          + " SELECT applyID,applicant,reason,applyTime,dayCount,wfid "
          + " FROM bus_leaveApply WHERE wfid=" + wfid;
      Connection connection = ds.getConnection();
      Statement statement = connection.createStatement();
      ResultSet rs = statement.executeQuery(querySql);
      if (rs.next()) {
        leaveApply.setApplyID(rs.getInt("applyID"));
        leaveApply.setApplicant(rs.getString("applicant"));
        leaveApply.setReason(rs.getString("reason"));
        leaveApply.setApplyTime(rs.getString("applyTime"));
        leaveApply.setDayCount(rs.getInt("dayCount"));
        leaveApply.setWfid(rs.getLong("wfid"));
      }
      rs.close();
      statement.close();
      connection.close();
    } catch (SQLException ex) {
      throw new RuntimeException("DAO getLeaveApply failed!\n" + ex.getMessage());
    }
    return leaveApply;
  }

  public List getLeaveAprovals(int applyID) {
    List approvals = new ArrayList();
    try {
      String querySql = ""
          + " SELECT applyID,approver,approveTime,opinion "
          + " FROM bus_leaveApprove WHERE applyID=" + applyID;
      Connection connection = ds.getConnection();
      Statement statement = connection.createStatement();
      ResultSet rs = statement.executeQuery(querySql);
      while (rs.next()) {
        LeaveApprove leaveApproval = new LeaveApprove();
        leaveApproval.setApplyID(rs.getInt("applyID"));
        leaveApproval.setApprover(rs.getString("approver"));
        leaveApproval.setApproveTime(rs.getString("approveTime"));
        leaveApproval.setOpinion(rs.getInt("opinion"));
        approvals.add(leaveApproval);
      }
      rs.close();
      statement.close();
      connection.close();
    } catch (SQLException ex) {
      throw new RuntimeException("DAO getLeaveAprovals failed!\n" + ex.getMessage());
    }
    return approvals;
  }

}