修改了库存扣减lua脚本，增加了男生女生人数扣减，修改了发布活动

src/main/java/org/rcisoft/app/appActivity/controller/AppActivityController.java

@@ -44,7 +44,7 @@ public class AppActivityController extends CyPaginationController<CmsActivity> {
         return CyResultGenUtil.builder(new CyPersistModel(1),
                 CyMessCons.MESSAGE_ALERT_SUCCESS,
                 CyMessCons.MESSAGE_ALERT_ERROR,
-                cmsActivityServiceImpl.findById(businessId));
+                cmsActivityServiceImpl.findById(businessId,"app"));
     }
 
     /**

src/main/java/org/rcisoft/business/cmsActivity/controller/CmsActivityController.java

@@ -87,7 +87,7 @@ public class CmsActivityController extends CyPaginationController<CmsActivity> {
         return CyResultGenUtil.builder(new CyPersistModel(1),
                 CyMessCons.MESSAGE_ALERT_SUCCESS,
                 CyMessCons.MESSAGE_ALERT_ERROR,
-                cmsActivityServiceImpl.findById(businessId));
+                cmsActivityServiceImpl.findById(businessId,"web"));
     }
 
     @PreAuthorize("@cyPerm.hasPerm('sys:activity:list')")

src/main/java/org/rcisoft/business/cmsActivity/dao/CmsActivityRepository.java

@@ -32,6 +32,10 @@ public interface CmsActivityRepository extends CyBaseMapper<CmsActivity> {
     int deleteCmsActivity(@Param("businessId")Integer businessId);
     //修改状态
     int updateStatus(@Param("entity") CmsActivity cmsActivity);
+    //app查询活动详情
+    CmsActivity selectDetailById(@Param("businessId")Integer businessId);
+    //查询活动人数
+    CmsActivity selectPeopleCountById(@Param("businessId")Integer businessId);
     //查询活动详情
     CmsActivity selectById(@Param("businessId")Integer businessId);
     //权重验重

src/main/java/org/rcisoft/business/cmsActivity/entity/CmsActivity.java

@@ -201,7 +201,23 @@ public class CmsActivity extends CyIdIncreEntity<CmsActivity> {
     @TableField(exist = false)
     private String url;
 
+    /**
+     * 已报名的总人数
+     */
+    @TableField(exist = false)
+    private Integer alreadyApplicationCount;
+
+    /**
+     * 已报名的男生数量
+     */
+    @TableField(exist = false)
+    private Integer alreadyMaleCount;
 
+    /**
+     * 已报名的女生数量
+     */
+    @TableField(exist = false)
+    private Integer alreadyFemaleCount;
 
 }
 

src/main/java/org/rcisoft/business/cmsActivity/service/CmsActivityService.java

@@ -38,7 +38,7 @@ public interface CmsActivityService {
     * @param id
     * @return
     */
-    CmsActivity findById(Integer id);
+    CmsActivity findById(Integer id,String type);
 
     /**
     * 分页查询 活动

src/main/java/org/rcisoft/business/cmsActivity/service/impl/CmsActivityServiceImpl.java

@@ -9,6 +9,8 @@ import lombok.extern.slf4j.Slf4j;
 import org.rcisoft.business.cmsActivity.dao.CmsActivityRepository;
 import org.rcisoft.business.cmsActivity.entity.CmsActivity;
 import org.rcisoft.business.cmsActivity.service.CmsActivityService;
+import org.rcisoft.business.cmsApplication.dao.CmsApplicationRepository;
+import org.rcisoft.business.cmsApplication.entity.CmsApplication;
 import org.rcisoft.business.cmsOrder.entity.CmsOrder;
 import org.rcisoft.core.exception.CyServiceException;
 import org.rcisoft.core.model.CyPageInfo;
@@ -50,6 +52,8 @@ public class CmsActivityServiceImpl extends ServiceImpl<CmsActivityRepository, C
     private RedissonClient redissonClient;
     @Autowired
     private StringRedisTemplate redisTemplate;
+    @Autowired
+    private CmsApplicationRepository cmsApplicationRepository;
     /**
      * 保存 活动
      *
@@ -109,9 +113,16 @@ public class CmsActivityServiceImpl extends ServiceImpl<CmsActivityRepository, C
      * @return
      */
     @Override
-    public CmsActivity findById(Integer id) {
-        CmsActivity cmsActivity = baseMapper.selectById(id);
-        return cmsActivity;
+    public CmsActivity findById(Integer id,String type) {
+        if (type.equals("app")){
+            //小程序
+            CmsActivity cmsActivity = baseMapper.selectDetailById(id);
+            return cmsActivity;
+        } else {
+            //管理端
+            CmsActivity cmsActivity = baseMapper.selectById(id);
+            return cmsActivity;
+        }
     }
 
     /**
@@ -186,9 +197,13 @@ public class CmsActivityServiceImpl extends ServiceImpl<CmsActivityRepository, C
             line = baseMapper.updateById(info);
             Date endTime = TimeUtil.getTime(info.getEndTime(), Calendar.DATE,1);
             //将活动信息插入redis
+            //查询已报名的数量和男生数量女生数量
+            CmsActivity cmsActivity = baseMapper.selectPeopleCountById(businessId);
             long time = TimeUtil.getTimeSecond(new Date(),endTime);
             cyRedisServiceImpl.set(RedisCons.ACTIVITY_DETAIL +":"+ businessId,info,time);
-            cyRedisServiceImpl.set(RedisCons.ACTIVITY_COUNT +":"+ businessId,info.getMaxApplicationCount(),time);
+            cyRedisServiceImpl.set(RedisCons.ACTIVITY_COUNT +":"+ businessId,info.getMaxApplicationCount() - cmsActivity.getAlreadyApplicationCount(),time);
+            cyRedisServiceImpl.set(RedisCons.ACTIVITY_COUNT_MALE +":"+ businessId,info.getMaleCount() - cmsActivity.getAlreadyMaleCount(),time);
+            cyRedisServiceImpl.set(RedisCons.ACTIVITY_COUNT_FEMALE +":"+ businessId,info.getFemaleCount() - cmsActivity.getAlreadyFemaleCount(),time);
         } else {
             //如果取消发布，加redis锁
             boolean isGetLock = false;
@@ -205,6 +220,8 @@ public class CmsActivityServiceImpl extends ServiceImpl<CmsActivityRepository, C
                     line = baseMapper.updateById(info);
                     redisTemplate.delete(RedisCons.ACTIVITY_DETAIL +":"+ businessId);
                     redisTemplate.delete(RedisCons.ACTIVITY_COUNT +":"+ businessId);
+                    redisTemplate.delete(RedisCons.ACTIVITY_COUNT_MALE +":"+ businessId);
+                    redisTemplate.delete(RedisCons.ACTIVITY_COUNT_FEMALE +":"+ businessId);
                 }
             } catch (InterruptedException e) {
                 Thread.currentThread().interrupt();

src/main/java/org/rcisoft/business/cmsActivity/service/impl/StockService.java

@@ -2,7 +2,11 @@ package org.rcisoft.business.cmsActivity.service.impl;
 
 import cn.hutool.core.lang.Assert;
 import org.apache.commons.lang3.StringUtils;
+import org.rcisoft.business.cmsActivity.dao.CmsActivityRepository;
+import org.rcisoft.business.cmsActivity.entity.CmsActivity;
+import org.rcisoft.business.memInfo.dao.MemInfoRepository;
 import org.rcisoft.core.service.CyRedisService;
+import org.rcisoft.core.util.CyUserUtil;
 import org.rcisoft.core.util.IStockCallback;
 import org.redisson.api.RLock;
 import org.redisson.api.RedissonClient;
@@ -46,10 +50,22 @@ public class StockService {
     @Autowired(required = false)
     private CyRedisService cyRedisServiceImpl;
 
+    @Autowired
+    private MemInfoRepository memInfoRepository;
+    @Autowired
+    private CmsActivityRepository activityRepository;
     /**
      * 执行扣库存的脚本
      */
     public static final String STOCK_LUA;
+    /**
+     * 执行扣库存和男生人数的脚本
+     */
+    public static final String STOCK_LUA2;
+    /**
+     * 执行扣库存和女生人数的脚本
+     */
+    public static final String STOCK_LUA3;
 
 
     @Value("${spring.data.redis.host}")
@@ -97,6 +113,76 @@ public class StockService {
         sb.append("end;");
         sb.append("return -3;");
         STOCK_LUA = sb.toString();
+
+        /**
+         *
+         * @desc 扣减库存Lua脚本
+         * 库存（stock）-1：表示不限库存
+         * 库存（stock）0：表示没有库存
+         * 库存（stock）大于0：表示剩余库存
+         *
+         * @params 库存key
+         * @return
+         *   -3:库存未初始化
+         *   -2:库存不足
+         *   -1:不限库存
+         *   大于等于0:剩余库存（扣减之后剩余的库存）
+         *      redis缓存的库存(value)是-1表示不限库存，直接返回1
+         */
+        StringBuilder sb2 = new StringBuilder();
+        sb2.append("if (redis.call('exists', KEYS[1]) == 1 and redis.call('exists', KEYS[2]) == 1) then");
+        sb2.append("    local totalStock = tonumber(redis.call('get', KEYS[1]));");
+        sb2.append("    local maleStock = tonumber(redis.call('get', KEYS[2]));");
+        sb2.append("    local num = tonumber(ARGV[1]);");
+        sb2.append("    if (totalStock == -1) then");
+        sb2.append("        return -1;");
+        sb2.append("    end;");
+        sb2.append("    if (maleStock == -1) then");
+        sb2.append("        return -1;");
+        sb2.append("    end;");
+        sb2.append("    if (totalStock >= num and maleStock >= num) then");
+        sb2.append("        redis.call('incrby', KEYS[2], 0 - num);"); // 扣减男生人数
+        sb2.append("        return redis.call('incrby', KEYS[1], 0 - num);"); // 扣减总人数
+        sb2.append("    end;");
+        sb2.append("    return -2;"); // 库存不足
+        sb2.append("end;");
+        sb2.append("return -3;"); // 库存未初始化
+        STOCK_LUA2 = sb2.toString();
+
+        /**
+         *
+         * @desc 扣减库存Lua脚本
+         * 库存（stock）-1：表示不限库存
+         * 库存（stock）0：表示没有库存
+         * 库存（stock）大于0：表示剩余库存
+         *
+         * @params 库存key
+         * @return
+         *   -3:库存未初始化
+         *   -2:库存不足
+         *   -1:不限库存
+         *   大于等于0:剩余库存（扣减之后剩余的库存）
+         *      redis缓存的库存(value)是-1表示不限库存，直接返回1
+         */
+        StringBuilder sb3 = new StringBuilder();
+        sb3.append("if (redis.call('exists', KEYS[1]) == 1 and redis.call('exists', KEYS[2]) == 1) then");
+        sb3.append("    local totalStock = tonumber(redis.call('get', KEYS[1]));");
+        sb3.append("    local maleStock = tonumber(redis.call('get', KEYS[2]));");
+        sb3.append("    local num = tonumber(ARGV[1]);");
+        sb3.append("    if (totalStock == -1) then");
+        sb3.append("        return -1;");
+        sb3.append("    end;");
+        sb3.append("    if (maleStock == -1) then");
+        sb3.append("        return -1;");
+        sb3.append("    end;");
+        sb3.append("    if (totalStock >= num and maleStock >= num) then");
+        sb3.append("        redis.call('incrby', KEYS[2], 0 - num);"); // 扣减女生人数
+        sb3.append("        return redis.call('incrby', KEYS[1], 0 - num);"); // 扣减总人数
+        sb3.append("    end;");
+        sb3.append("    return -2;"); // 库存不足
+        sb3.append("end;");
+        sb3.append("return -3;"); // 库存未初始化
+        STOCK_LUA3 = sb3.toString();
     }
 
     /**
@@ -106,23 +192,28 @@ public class StockService {
      * @param stockCallback 初始化库存回调函数
      * @return -2:库存不足; -1:不限库存; 大于等于0:扣减库存之后的剩余库存
      */
-    public long stock(String key, long expire, int num, IStockCallback stockCallback) {
-        long stock = stock(key, num);
+    public long stock(String key1, String key2, String key3, long expire, int num, IStockCallback stockCallback) {
+        //扣总人数库存
+        long stock1 = stock(key1, key2, key3, num);
         // 初始化库存
-        if (stock == UNINITIALIZED_STOCK) {
-            RLock redisLock = redissonClient.getLock(key);
+        if (stock1 == UNINITIALIZED_STOCK) {
+            RLock redisLock = redissonClient.getLock("reduce_activity_count");
             try {
                 // 获取锁
                 if (redisLock.tryLock()) {
                     // 双重验证，避免并发时重复回源到数据库
-                    stock = stock(key, num);
-                    if (stock == UNINITIALIZED_STOCK) {
+                    stock1 = stock(key1, key2,key3,num);
+                    if (stock1 == UNINITIALIZED_STOCK) {
                         // 获取初始化库存
                         final int initStock = stockCallback.getStock();
                         // 将库存设置到redis
-                        redisTemplate.opsForValue().set(key, initStock, expire, TimeUnit.SECONDS);
+                        redisTemplate.opsForValue().set(key1, initStock, expire, TimeUnit.SECONDS);
+                        // 将库存的男生人数设置到redis
+                        redisTemplate.opsForValue().set(key2, initStock, expire, TimeUnit.SECONDS);
+                        // 将库存的女生人数设置到redis
+                        redisTemplate.opsForValue().set(key3, initStock, expire, TimeUnit.SECONDS);
                         // 调一次扣库存的操作
-                        stock = stock(key, num);
+                        stock1 = stock(key1, key2,key3,num);
                     }
                 }
             } catch (Exception e) {
@@ -130,9 +221,8 @@ public class StockService {
             } finally {
                 redisLock.unlock();
             }
-
         }
-        return stock;
+        return stock1;
     }
 
     /**
@@ -199,14 +289,22 @@ public class StockService {
     /**
      * 扣库存
      *
-     * @param key 库存key
+     * @param key1 库存key
+     * @param key2 库存男生人数key
+     * @param key3 库存女生人数key
      * @param num 扣减库存数量
      * @return 扣减之后剩余的库存【-3:库存未初始化; -2:库存不足; -1:不限库存; 大于等于0:扣减库存之后的剩余库存】
      */
-    private Long stock(String key, int num) {
+    private Long stock(String key1, String key2, String key3, int num) {
         // 脚本里的KEYS参数
         List<String> keys = new ArrayList<>();
-        keys.add(key);
+        keys.add(key1);
+        List<String> keys2 = new ArrayList<>();
+        keys2.add(key1);
+        keys2.add(key2);
+        List<String> keys3 = new ArrayList<>();
+        keys3.add(key1);
+        keys3.add(key3);
         // 脚本里的ARGV参数
         List<String> args = new ArrayList<>();
         args.add(Integer.toString(num));
@@ -216,7 +314,27 @@ public class StockService {
                 (StringUtils.isAnyEmpty(password) ? null : password),database);){
 //        try (JedisPool jedisPool = new JedisPool(redisIP, Integer.parseInt(redisPort));){
             Jedis jedis = jedisPool.getResource();
-            result = (long) jedis.evalsha(jedis.scriptLoad(STOCK_LUA), keys , args);
+            //获取报名人性别 截取key1的最后一个:后的值
+            String goodsId = key1.substring(key1.lastIndexOf(":") + 1);
+            CmsActivity activityInfo = activityRepository.selectById(Integer.valueOf(goodsId));
+            String memSex = memInfoRepository.getMemSexByUserId(Integer.valueOf(CyUserUtil.getAuthenBusinessId()));
+            //扣减库存总人数
+            if (activityInfo.getMaleCount() == 0 && activityInfo.getFemaleCount() == 0){
+                //活动的男女生人数都为0 不扣男女生人数
+                result = (long) jedis.evalsha(jedis.scriptLoad(STOCK_LUA), keys , args);
+            } else {
+                if (memSex.equals("0") && activityInfo.getMaleCount() != 0){
+                    //报名人为男生 且男生限制人数不为0  扣除总人数和男生人数
+                    result = (long) jedis.evalsha(jedis.scriptLoad(STOCK_LUA2), keys2 , args);
+                } else if (memSex.equals("1") && activityInfo.getFemaleCount() != 0){
+                    //报名人为女生 且女生限制人数不为0  扣除总人数和女生人数
+                    result = (long) jedis.evalsha(jedis.scriptLoad(STOCK_LUA3), keys3 , args);
+                } else {
+                    //只扣除总人数
+                    result = (long) jedis.evalsha(jedis.scriptLoad(STOCK_LUA), keys , args);
+                }
+            }
+
         } catch (Exception e){
             logger.error(e.getMessage(),e);
         }

src/main/java/org/rcisoft/business/cmsApplication/entity/CmsApplication.java

@@ -136,6 +136,18 @@ public class CmsApplication extends CyIdIncreEntity<CmsApplication> {
      */
     @TableField(exist = false)
     private String title;
+
+    /**
+     * 报名的男生人数
+     */
+    @TableField(exist = false)
+    private Integer maleCount;
+
+    /**
+     * 报名的女生人数
+     */
+    @TableField(exist = false)
+    private Integer femaleCount;
 }
 
 

src/main/java/org/rcisoft/business/cmsOrder/service/impl/CmsOrderServiceImpl.java

@@ -172,7 +172,7 @@ public class CmsOrderServiceImpl extends ServiceImpl<CmsOrderRepository,CmsOrder
         Date endTime = TimeUtil.getTime(info.getEndTime(), Calendar.DATE,1);
         //将活动信息插入redis
         long time = TimeUtil.getTimeSecond(new Date(),endTime);
-        long stock = stockService.stock(RedisCons.ACTIVITY_COUNT +":"+ orderInfo.getGoodsId(), time,  orderInfo.getNum(), () -> initStock(orderInfo.getGoodsId()));
+        long stock = stockService.stock(RedisCons.ACTIVITY_COUNT +":"+ orderInfo.getGoodsId(),RedisCons.ACTIVITY_COUNT_MALE +":"+ orderInfo.getGoodsId(),RedisCons.ACTIVITY_COUNT_FEMALE +":"+ orderInfo.getGoodsId(), time,  orderInfo.getNum(), () -> initStock(orderInfo.getGoodsId()));
         if (stock >= 0){ //报名成功
             long orderId = cyIdGenUtil.getSnowFlakedId();
 //            OrderInfo orderInfo = new OrderInfo();
@@ -224,6 +224,8 @@ public class CmsOrderServiceImpl extends ServiceImpl<CmsOrderRepository,CmsOrder
         long time = TimeUtil.getTimeSecond(new Date(), endTime);
 //        if (info.getIsRestrictions().equals(0)) {
         AtomicReference<Integer> num = new AtomicReference<>(info.getMaxApplicationCount());
+        AtomicReference<Integer> maleNum = new AtomicReference<>(info.getMaleCount());
+        AtomicReference<Integer> femaleNum = new AtomicReference<>(info.getFemaleCount());
         //已报名人数计算： 数据库+ redis【order:activity:${所有}】 value 【hash】未取消 的并集
         QueryWrapper<CmsOrder> wrapper = new QueryWrapper<>();
         wrapper.eq("goods_id", goodsId);
@@ -231,7 +233,18 @@ public class CmsOrderServiceImpl extends ServiceImpl<CmsOrderRepository,CmsOrder
         wrapper.eq("del_flag", 0);
         List<CmsOrder> orderList = baseMapper.selectList(wrapper);
         for (CmsOrder orderInfo : orderList) {
+            //减掉数据库中订单的报名人数
             num.set(num.get() - orderInfo.getNum());
+            //减掉数据中订单的男生报名人数或女生报名人数
+            //查询该报名人的性别
+            String memSex = memInfoRepository.getMemSexByUserId(orderInfo.getUserId());
+            if (memSex.equals("0")){
+                //男性
+                maleNum.set(maleNum.get() - orderInfo.getNum());
+            } else if (memSex.equals("1")){
+                //女性
+                femaleNum.set(femaleNum.get() - orderInfo.getNum());
+            }
         }
         List<Long> orderIds = orderList.stream().map(CmsOrder::getBusinessId).toList();
         Set<String> map = redisTemplate.keys(RedisCons.ORDER_ACTIVITY + ":" + goodsId + "*");
@@ -244,7 +257,12 @@ public class CmsOrderServiceImpl extends ServiceImpl<CmsOrderRepository,CmsOrder
                     num.set(num.get() - order.getNum());
             });
         }
+        //设置活动人数key
         cyRedisServiceImpl.set(RedisCons.ACTIVITY_COUNT + ":" + goodsId, num.get(), time);
+        //设置活动男生人数key
+        cyRedisServiceImpl.set(RedisCons.ACTIVITY_COUNT_MALE + ":" + goodsId, maleNum.get(), time);
+        //设置活动女生人数key
+        cyRedisServiceImpl.set(RedisCons.ACTIVITY_COUNT_FEMALE + ":" + goodsId, femaleNum.get(), time);
         return num.get();
 //        } else {
 //            cyRedisServiceImpl.set(RedisCons.ACTIVITY_COUNT + ":" + goodsId, -1, time);

src/main/java/org/rcisoft/business/memInfo/dao/MemInfoRepository.java

@@ -254,5 +254,11 @@ public interface MemInfoRepository extends CyBaseMapper<MemInfo> {
      * 根据手机号修改会员性别
      */
     int updateMemSexByPhone(SysUserRbac var1);
+
+
+    /**
+     * 根据用户id获取用户性别
+     */
+    String getMemSexByUserId(Integer userId);
 }
 

src/main/java/org/rcisoft/core/util/RedisCons.java

@@ -13,6 +13,10 @@ public class RedisCons {
     public static final String ACTIVITY_INFO = "activity:info:";
     //活动人数
     public static final String ACTIVITY_COUNT = "activity:count";
+    //活动男生人数
+    public static final String ACTIVITY_COUNT_MALE = "activity:count:male";
+    //活动女生人数
+    public static final String ACTIVITY_COUNT_FEMALE = "activity:count:female";
 
     //优惠券详情
 //    public static final String COUPON_DETAIL = "coupon:detail";

src/main/resources/mapper/business/cmsActivity.mapper/CmsActivityMapper.xml

@@ -257,4 +257,22 @@
         where 1=1
         and activity_id = #{businessId}
     </select>
+    <select id="selectDetailById" resultType="org.rcisoft.business.cmsActivity.entity.CmsActivity">
+        select ca.*,
+           SUM(CASE WHEN mi.mem_sex = 0 THEN 1 ELSE 0 END) AS alreadyMaleCount,
+           SUM(CASE WHEN mi.mem_sex = 1 THEN 1 ELSE 0 END) AS alreadyFemaleCount
+        from cms_activity ca
+        left join cms_application cma on ca.business_id = cma.activity_id
+        LEFT JOIN mem_info mi ON mi.user_id = ca.create_by
+        where ca.business_id = #{businessId}
+    </select>
+    <select id="selectPeopleCountById" resultType="org.rcisoft.business.cmsActivity.entity.CmsActivity">
+        select
+            COUNT(mi.business_id) AS alreadyApplicationCount,
+            SUM(CASE WHEN mi.mem_sex = 0 THEN 1 ELSE 0 END) AS alreadyMaleCount,
+            SUM(CASE WHEN mi.mem_sex = 1 THEN 1 ELSE 0 END) AS alreadyFemaleCount
+        from cms_application ca
+        LEFT JOIN mem_info mi ON mi.user_id = ca.create_by
+        where ca.activity_id = #{businessId}
+    </select>
 </mapper>

src/main/resources/mapper/business/cmsApplication.mapper/CmsApplicationMapper.xml

@@ -145,6 +145,15 @@
         </if>
         ORDER BY business_id DESC
     </select>
+    <select id="getApplicationCountByActivityId"
+            resultType="org.rcisoft.business.cmsApplication.entity.CmsApplication">
+        SELECT
+            SUM(CASE WHEN mi.mem_sex = 0 THEN 1 ELSE 0 END) AS maleCount,
+            SUM(CASE WHEN mi.mem_sex = 1 THEN 1 ELSE 0 END) AS femaleCount
+        FROM cms_application ca
+        LEFT JOIN mem_info mi ON mi.user_id = ca.create_by
+        WHERE ca.activity_id = #{id};
+    </select>
 
     <update id="deleteCmsApplication" parameterType="java.lang.Integer">
         update cms_application

src/main/resources/mapper/business/memInfo/mapper/MemInfoMapper.xml

@@ -884,7 +884,6 @@
         WHERE 1=1
         AND su.business_id = #{userId}
     </select>
-
     <update id="updateMemWxByPhone" parameterType="org.rcisoft.sys.rbac.user.entity.SysUserRbac">
         update mem_info
         set wx_openid = #{wxOpenid}
@@ -897,4 +896,10 @@
         where 1=1
           and mem_phone = #{phone}
     </update>
+    <select id="getMemSexByUserId" resultType="java.lang.String">
+        select mem_sex
+        from mem_info
+        where 1=1
+          and user_id = #{userId}
+    </select>
 </mapper>