Spring连接图存数据库Neo4j实现增删改查

package base.controller; import java.util.HashSet; import java.util.Iterator; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.data.neo4j.conversion.Result; import base.pagemodel.MSG; import base.po.Item; import base.po.Order; import base.service.impl.ItemService; import base.service.impl.OrderService; @Controller public class Neo4jController { @Autowired OrderService orderservice; @Autowired ItemService itemservice; @RequestMapping(value="/create") @ResponseBody public MSG showpic(){ //创建中心节点 Order o=new Order("mark","VIP"); orderservice.createOrder(o); //创建外围节点 for(int i=0;i<10;i++){ Item item=new Item("book"+String.valueOf(i),(double)i); itemservice.createItem(item); } Order order=orderservice.findByCustomer("mark").get(0); //加边 Result<Item> items = itemservice.getAllItems(); Iterator<Item> it=items.iterator(); while(it.hasNext()){ Item t=it.next(); itemservice.addLine(order, t, 5); } return new MSG("success"); } @RequestMapping(value="/delete") @ResponseBody public MSG a(){ itemservice.deleteall(); orderservice.deleteall(); return new MSG("success"); } }