Springmvc4+hibernate4+spring4 annotations to a pair of multilevel saves

Package Com.h3c.zgc.user.entity;import java.util.hashset;import java.util.set;import javax.persistence.Column; Import Javax.persistence.entity;import Javax.persistence.generatedvalue;import Javax.persistence.id;import Javax.persistence.joincolumn;import Javax.persistence.onetomany;import Javax.persistence.table;import Org.hibernate.annotations.cascade;import Org.hibernate.annotations.cascadetype;import Org.hibernate.annotations.GenericGenerator; @Entity @table (name="T_person", catalog="Itac") Public classPerson {@Id @GenericGenerator (name="Generator", strategy="Increment") @GeneratedValue (generator="Generator") @Column (name="person_id", unique=true, nullable=false)    PrivateInteger personId; @Column (Name="Person_name")    PrivateString PersonName; @OneToMany (targetentity=house.class) @JoinColumn (name="person_id", updatable =false) @Cascade (cascadetype.save_update)PrivateSetNewHashset();  PublicSetgethouses () {returnhouses; }     Public voidSethouses (sethouses) {         This. Houses =houses; }     PublicInteger Getpersonid () {returnpersonId; }     Public voidSetpersonid (Integer personId) { This. PersonId =personId; }     PublicString Getpersonname () {returnPersonName; }     Public voidsetpersonname (String personname) { This. PersonName =PersonName; } @Override PublicString toString () {return "Person [personid="+ PersonId +", Personname="+PersonName+", houses="+ houses +"]"; }    }

Package Com.h3c.zgc.user.entity;import Javax.persistence.column;import javax.persistence.entity;import Javax.persistence.generatedvalue;import Javax.persistence.id;import Javax.persistence.joincolumn;import Javax.persistence.manytoone;import Javax.persistence.table;import Org.hibernate.annotations.cascade;import Org.hibernate.annotations.cascadetype;import org.hibernate.annotations.GenericGenerator; @Entity @table (name="T_house", catalog="Itac") Public classHouse {@Id @GeneratedValue (generator="Generator") @GenericGenerator (name="Generator", strategy="Increment") @Column (name="house_id", unique=true, nullable=false)    PrivateInteger Houserid; @Column (Name="house_address")    PrivateString houseaddress; @ManyToOne (targetentity=person.class) @JoinColumn (name="person_id", updatable=false) @Cascade (cascadetype.save_update)Privateperson person ;  PublicPerson Getperson () {returnPerson ; }     Public voidSetperson (person person) { This. person =Person ; }     PublicInteger Gethouserid () {returnHouserid; }     Public voidSethouserid (Integer houserid) { This. Houserid =Houserid; }     PublicString gethouseaddress () {returnhouseaddress; }     Public voidsethouseaddress (String houseaddress) { This. houseaddress =houseaddress; } @Override PublicString toString () {return "House [Houserid="+ Houserid +", houseaddress="+houseaddress+"]"; }  }

Dao

Package Com.h3c.zgc.user.dao;import java.util.hashset;import java.util.set;import javax.annotation.Resource; Import Org.hibernate.sessionfactory;import Org.springframework.orm.hibernate4.support.hibernatedaosupport;import Org.springframework.stereotype.repository;import Com.h3c.zgc.user.entity.house;import Com.h3c.zgc.user.entity.Person; @Repository Public classPersondao extends hibernatedaosupport{@ResourcePrivate void Set(Sessionfactory sessionfactory) { This. Setsessionfactory (sessionfactory); }     Public voidSaveperson () {person P=NewPerson (); P.setpersonname ("Person01");  This. Gethibernatetemplate (). Save (P); }     Public voidSavepersonandhouse () {person P=NewPerson (); P.setpersonname ("Person01"); House h=NewHouse (); H.sethouseaddress ("Beijing"); Set<House> HS =NewHashset();                Hs.add (h); //Building Relationshipsp.sethouses (HS);        H.setperson (P);  This. Gethibernatetemplate (). Save (P); System. out. println (P); }}

Service

Package Com.h3c.zgc.user.service;import Javax.annotation.resource;import Org.springframework.stereotype.service;import Org.springframework.transaction.annotation.transactional;import Com.h3c.zgc.user.dao.PersonDao; @Service Public classPersonservice {@ResourcePrivatePersondao Persondao; @Transactional Public voidSaveperson () { This. Persondao.saveperson (); } @Transactional Public voidSavepersonandhouse () { This. Persondao.savepersonandhouse (); }}

Controller

Package Com.h3c.zgc.user.controller;import Java.io.ioexception;import javax.annotation.resource;import Javax.servlet.http.httpservletrequest;import Javax.servlet.http.httpservletresponse;import Org.springframework.stereotype.controller;import Org.springframework.web.bind.annotation.requestmapping;import Com.h3c.zgc.user.service.PersonService; @Controller Public classPersonController {@ResourcePrivatePersonservice Personservice; @RequestMapping ("Saveperson")     PublicString Saveperson (httpservletrequest request) { This. Personservice.saveperson (); Request.setattribute ("Flag","Success"); return "H4/flag"; } @RequestMapping ("Savepersonhouse")     PublicString Savepersonhouse (httpservletrequest request) { This. Personservice.savepersonandhouse (); Request.setattribute ("Flag","Success"); return "H4/flag"; } @RequestMapping ("test0")     Public voidTest (HttpServletResponse response) throws ioexception{String STRs="[{title: ' Chinese good Voice '},{title: ' Chinese Drink '},{title: ' Chinese Good Dance '}]";    Response.getwriter (). write (STRs); }}

Access path

Http://localhost:8080/zgc/savePersonHouse

Springmvc4+hibernate4+spring4 annotations to a pair of multilevel saves