新增抽奖接口

src/main/java/com/mall/controller/api/LotteryApi.java

+package com.mall.controller.api;
+
+import com.jfinal.i18n.Res;
+import com.mall.controller.base.BaseController;
+import com.mall.service.mengbeng.lottery.LotteryManager;
+import com.mall.util.PageData;
+import com.mall.util.ResultOutDto;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import javax.annotation.Resource;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Controller
+@RequestMapping(value="/api/lottery",produces="application/json;charset=UTF-8")
+public class LotteryApi extends BaseController {
+    @Resource(name="lotteryService")
+    private LotteryManager lotteryService;
+
+    /**
+     * 抽奖
+     * @return
+     */
+    @RequestMapping("/lottery")
+    @ResponseBody
+    public ResultOutDto lottery(String store_id){
+        try {
+            if(null==store_id){
+                return ResultOutDto.err(null,"店铺id为空");
+            }
+            PageData pd=new PageData();
+            List<PageData> list=lotteryService.listAll(pd);
+            List resultnumberlist=new ArrayList();
+            for(int i=0;i<3;i++){
+                //T抽奖算法
+                int resultnumber= (int) (Math.random()*list.size());
+                PageData result=list.get(resultnumber);//单次结果
+                resultnumberlist.add((int) result.get("c_lottery_number"));
+            }
+            if(resultnumberlist.get(0)==resultnumberlist.get(1)&&resultnumberlist.get(1)==resultnumberlist.get(2)){
+                pd.put("c_lottery_number",resultnumberlist.get(0));
+                pd=lotteryService.findByLotterynumber(pd);
+                if(null!=pd){
+                    //TODO:根据数字处理奖品
+                    System.out.println("中奖");
+                    Map resultmap=new HashMap();
+                    resultmap.put("result",1);
+                    resultmap.put("resultnumber",resultnumberlist);
+                    resultmap.put("reward",pd);
+                    return ResultOutDto.ok(resultmap);
+                }else{
+                    return ResultOutDto.err(null,"奖品不存在");
+                }
+            }else{
+                Map resultmap=new HashMap();
+                resultmap.put("result",0);
+                resultmap.put("resultnumber",resultnumberlist);
+                resultmap.put("reward",null);
+                System.out.println("未中奖");
+                return ResultOutDto.ok(resultmap);
+            }
+        }catch (Exception e){
+            return ResultOutDto.err(null,"错误");
+        }
+    }
+}

src/main/java/com/mall/service/mengbeng/lottery/LotteryManager.java

@@ -52,6 +52,14 @@ public interface LotteryManager{
 	 * @throws Exception
 	 */
 	public void deleteAll(String[] ArrayDATA_IDS)throws Exception;
+
+	/**
+	 * 根据中奖数字查找
+	 * @param pd
+	 * @return
+	 * @throws Exception
+	 */
+	public PageData findByLotterynumber(PageData pd) throws Exception;
 	
 }
 

src/main/java/com/mall/service/mengbeng/lottery/impl/LotteryService.java

@@ -77,6 +77,11 @@ public class LotteryService implements LotteryManager {
 	public void deleteAll(String[] ArrayDATA_IDS)throws Exception{
 		dao.delete("LotteryMapper.deleteAll", ArrayDATA_IDS);
 	}
-	
+
+	@Override
+	public PageData findByLotterynumber(PageData pd) throws Exception {
+		return (PageData) dao.findForObject("LotteryMapper.findByLotterynumber",pd);
+	}
+
 }
 

src/main/resources/mybatis1/tongmeng/LotteryMapper.xml

@@ -102,5 +102,14 @@
                  #{item}
 		</foreach>
 	</delete>
+
+    <!--根中奖数字查找-->
+    <select id="findByLotterynumber" parameterType="pd" resultType="pd">
+        select
+        <include refid="Field"></include>
+        from
+        <include refid="tableName"></include>
+        where c_lottery_number = #{c_lottery_number}
+    </select>
 	
 </mapper>
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