SSH框架整合简单示例

package com.business; import java.text.ParseException; import java.util.*; import com.service.DaoService; import com.struts.form.*; import com.po.*; public class EmpBusiness implements IBusiness{ private DaoService daos; public DaoService getDaos() { return daos; } public void setDaos(DaoService daos) { this.daos = daos; } public boolean delete(String id) { // TODO Auto-generated method stub Emp e=daos.getEdao().findById(new Integer(id)); try { daos.getEdao().delete(e); return true; } catch (RuntimeException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } return false; } public Vector findAll() { // TODO Auto-generated method stub Vector<EmpForm> vcemp=new Vector<EmpForm>(); List ls=daos.getEdao().findAll(); for (Object object : ls) { Emp emp=(Emp) object; EmpForm ef=new EmpForm(); ef.setEid(emp.getEid().toString()); ef.setEname(emp.getEname()); ef.setSex(emp.getSex()); ef.setAddress(emp.getAddress()); if(emp.getBorthday()!=null){ ef.setBorthday(emp.getBorthday().toLocaleString()); }else{ ef.setBorthday("1987-1-1"); } //获取部门数据 ef.setDepid(emp.getDep().getDepid().toString()); ef.setDepname(emp.getDep().getDepname()); //创建爱好集合对象 Vector<LoveForm> vclv=new Vector<LoveForm>(); //获取员工爱好集合 Set els=emp.getEmploves(); if(els!=null||!els.isEmpty()){ Iterator it=els.iterator(); //获取员工爱好对象 while(it.hasNext()){ Emplove el=(Emplove) it.next(); //通过员工爱好对象获取爱好对象，并设置到爱好集合中 Love lv=el.getLove(); LoveForm lf=new LoveForm(); lf.setLid(lv.getLid().toString()); lf.setLname(lv.getLname()); vclv.add(lf); } } ef.setLoves(vclv); vcemp.add(ef); } return vcemp; } public Object findById(String id) { // TODO Auto-generated method stub Emp emp=daos.getEdao().findById(new Integer(id)); EmpForm ef=new EmpForm(); ef.setEid(emp.getEid().toString()); ef.setEname(emp.getEname()); ef.setSex(emp.getSex()); ef.setAddress(emp.getAddress()); ef.setBorthday(emp.getBorthday().toLocaleString()); //获取部门数据 ef.setDepid(emp.getDep().getDepid().toString()); ef.setDepname(emp.getDep().getDepname()); //创建爱好集合对象 Vector<LoveForm> vclv=new Vector<LoveForm>(); //获取员工爱好集合 Set els=emp.getEmploves(); if(els!=null||!els.isEmpty()){ Iterator it=els.iterator(); String[] loveid=new String[els.size()]; int i=0; //获取员工爱好对象 while(it.hasNext()){ Emplove el=(Emplove) it.next(); //通过员工爱好对象获取爱好对象，并设置到爱好集合中 Love lv=el.getLove(); LoveForm lf=new LoveForm(); lf.setLid(lv.getLid().toString()); lf.setLname(lv.getLname()); loveid[i]=lf.getLid(); i++; vclv.add(lf); } ef.setLoveid(loveid); } ef.setLoves(vclv); return ef; } public boolean save(Object ob) { // TODO Auto-generated method stub EmpForm ef=(EmpForm) ob; Emp e=new Emp(); e.setEname(ef.getEname()); e.setSex(ef.getSex()); e.setAddress(ef.getAddress()); try { e.setBorthday(java.text.DateFormat.getDateInstance().parse(ef.getBorthday())); } catch (ParseException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } //设置部门数据.获取部门对象 Dep dep=daos.getDdao().findById(new Integer(ef.getDepid())); e.setDep(dep); //获取员工选择的爱好 String [] loveid=ef.getLoveid(); //创建员工爱好集合 Set els=new HashSet(); if(loveid!=null&&loveid.length>0){ //获取员工的爱好对象 for (int i = 0; i < loveid.length; i++) { Love lv=daos.getLdao().findById(new Integer(loveid[i])); //创建员工爱好对象 Emplove elv=new Emplove(); elv.setEmp(e); elv.setLove(lv); els.add(elv); } } e.setEmploves(els); try { //保存员工对象 daos.getEdao().save(e); return true; } catch (RuntimeException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } return false; } public boolean update(Object ob) { // TODO Auto-generated method stub EmpForm ef=(EmpForm) ob; Emp e=daos.getEdao().findById(new Integer(ef.getEid())); e.setEname(ef.getEname()); e.setSex(ef.getSex()); e.setAddress(ef.getAddress()); try { e.setBorthday(java.text.DateFormat.getInstance().parse(ef.getBorthday())); } catch (ParseException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } //设置部门数据.获取部门对象 Dep dep=daos.getDdao().findById(new Integer(ef.getDepid())); e.setDep(dep); //获取原有的员工爱好 Set oldels=e.getEmploves(); //先删除原有的员工爱好对象 if(oldels!=null&&!oldels.isEmpty()){ for (Iterator iterator = oldels.iterator(); iterator.hasNext();) { Object object = (Object) iterator.next(); Emplove elv=(Emplove) object; daos.getEldao().delete(elv); } } //获取员工选择的爱好 String [] loveid=ef.getLoveid(); //创建员工爱好集合 Set els=new HashSet(); if(loveid!=null&&loveid.length>0){ //获取员工的爱好对象 for (int i = 0; i < loveid.length; i++) { Love lv=daos.getLdao().findById(new Integer(loveid[i])); //创建员工爱好对象 Emplove elv=new Emplove(); elv.setEmp(e); elv.setLove(lv); els.add(elv); } } e.setEmploves(els); try { //更新员工对象 daos.getEdao().attachDirty(e); return true; } catch (RuntimeException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } return false; } }