写了一个SpringMVC 怎么封装到Map里！以后要多多利用这种方法，自己脑子笨就记下来了。
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这个Modelpackage cn.com.cisec.hnjt.model;import javax.persistence.Entity;import javax.persistence.FetchType;import javax.persistence.GeneratedValue;import javax.persistence.Id;import javax.persistence.OneToOne;import org.codehaus.jackson.annotate.JsonIgnoreProperties;@Entitypublic class WorkOrderAll {private int id;private Warning waring;private String time;private int count;@Id@GeneratedValuepublic int getId() {return id;}public void setId(int id) {this.id = id;}public int getCount() {return count;}public void setCount(int count) {this.count = count;}@OneToOne(fetch=FetchType.EAGER)public Warning getWaring() {return waring;}public void setWaring(Warning waring) {this.waring = waring;}public String getTime() {return time;}public void setTime(String time) {this.time = time;}}-----------------------------------------------------这个是Daopackage cn.com.cisec.hnjt.dao;import java.util.List;import cn.com.cisec.hnjt.model.WorkOrderAll;public interface WorkOrderAllDao { List<WorkOrderAll> getWorkOrderAll();}--------------------------------------------这个事实DaoImplpackage cn.com.cisec.hnjt.dao.impl;import java.util.List;import javax.annotation.Resource;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.springframework.stereotype.Repository;import cn.com.cisec.hnjt.dao.WorkOrderAllDao;import cn.com.cisec.hnjt.model.WorkOrderAll;@Repositorypublic class WorkOrderAllDaoImpl implements WorkOrderAllDao { private SessionFactory sessionFactory; private Session session; public SessionFactory getSessionFactory() { return sessionFactory; } @Resource public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } @Override public List<WorkOrderAll> getWorkOrderAll() { session=sessionFactory.openSession(); List<WorkOrderAll> workOrderAll=session.createQuery("from WorkOrderAll").list(); return workOrderAll; }}------------------------------------------------------这个是WorkOrderAllService package cn.com.cisec.hnjt.service;import java.util.List;import cn.com.cisec.hnjt.model.TrafficLight;import cn.com.cisec.hnjt.model.WorkOrderAll;public interface WorkOrderAllService { List<WorkOrderAll> getWorkOrderAll();}-------------------------------------------------------------------这个是WorkOrderAllServiceImplpackage cn.com.cisec.hnjt.service.impl;import java.util.List;import javax.annotation.Resource;import org.springframework.stereotype.Service;import cn.com.cisec.hnjt.dao.WorkOrderAllDao;import cn.com.cisec.hnjt.model.WorkOrderAll;import cn.com.cisec.hnjt.service.WorkOrderAllService;@Servicepublic class WorkOrderAllServiceImpl implements WorkOrderAllService { private WorkOrderAllDao workOrderAllDao; public WorkOrderAllDao getWorkOrderAllDao() { return workOrderAllDao; } @Resource public void setWorkOrderAllDao(WorkOrderAllDao workOrderAllDao) { this.workOrderAllDao = workOrderAllDao; } public List<WorkOrderAll> getWorkOrderAll(){ return workOrderAllDao.getWorkOrderAll(); }}--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------最后这个是拿数据的WorkOrderAllController-------------------------------------------------------------------------------------------------------------------------------------package cn.com.cisec.hnjt.control;import java.util.ArrayList;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;import javax.annotation.Resource;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import cn.com.cisec.hnjt.model.Manager;import cn.com.cisec.hnjt.model.TrafficLight;import cn.com.cisec.hnjt.model.WorkOrderAll;import cn.com.cisec.hnjt.service.WorkOrderAllService;@Controller@RequestMapping("/gdxq")public class WorkOrderAllController { private WorkOrderAllService workOrderAllService; public WorkOrderAllService getWorkOrderAllService() { return workOrderAllService; } @Resource(name="workOrderAllServiceImpl") public void setWorkOrderAllService(WorkOrderAllService workOrderAllService) { this.workOrderAllService = workOrderAllService; } @ResponseBody @RequestMapping("/getworkOrderAll") public Map<String,Object> getWorkOrderAll(){ Map<String, Object> map = new HashMap<String, Object>(); List<WorkOrderAll> list = workOrderAllService.getWorkOrderAll(); List<TempWorkOrderAll> tempList = new ArrayList<TempWorkOrderAll>(); Iterator i=list.iterator(); while(i.hasNext()){ WorkOrderAll workOrderAll=(WorkOrderAll) i.next(); TempWorkOrderAll temp = new TempWorkOrderAll(); temp.setId(workOrderAll.getId()); temp.setCount(workOrderAll.getCount()); temp.setTime(workOrderAll.getTime()); TrafficLight t=workOrderAll.getWaring().getTrafficLight(); String address=t.getAddress(); int number =t.getSerialNumber(); temp.setAddress(address) ; temp.setNumber(number); String name=""; Iterator il= t.getManager().iterator(); while(il.hasNext()){ Manager manager=(Manager) il.next(); name=name+manager.getName()+","; } temp.setName(name); tempList.add(temp); } //把 id,number,name,count,time,address封装到list里 map.put("workOrderAll",tempList); return map; } public String export(){ return "success"; }}//临时建一个对象，然后把取出来的数据封装到对象里，然后再是新建一个数组，把对象封装到数组里，最后把数组封装到map里就是Json格式的文本了。class TempWorkOrderAll{ int id; int count; String time; String address; int number; String name; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } public int getNumber() { return number; } public void setNumber(int number) { this.number = number; } public int getId() { return id; } public void setId(int id) { this.id = id; } public int getCount() { return count; } public void setCount(int count) { this.count = count; } public String getTime() { return time; } public void setTime(String time) { this.time = time; } }
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