yuyang/XH-Power-Cloud
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

完成绑定联网卡接口

Browse Source
This commit is contained in:
wen 2022-02-09 17:40:41 +08:00
parent b6b4fddb12
commit 1e8a803dba
8 changed files with 479 additions and 93 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
xhpc-modules/xhpc-card/src/main/java/com/xhpc/card/controller/XhpcCardController.java
View File

@ -72,19 +72,19 @@ public class XhpcCardController extends BaseController {
}
/**
* 绑定联网卡回显信息接口
* 绑定联网卡时回显信息接口
*
* @author WH
* @date 2022/1/26 10:37
* @since version-1.0
*/
@GetMapping("/non-bind/{cardId}")
public R<BindCardEcho> bindCard(@PathVariable("cardId") Long cardId) {
public R<BindCardEcho> noBindCard(@PathVariable("cardId") Long cardId) {
if (cardId == null) {
return R.fail("cardId不能为null");
}
return xhpcCardService.bindCard(cardId);
return xhpcCardService.noBindCardInfo(cardId);
}
/**
@ -100,5 +100,14 @@ public class XhpcCardController extends BaseController {
return xhpcCardService.searchCardUser(queryCondition);
}
/**
* 绑定联网卡
*/
@PostMapping("/online/bind")
public R<Object> onlineCardBind(@RequestBody BindCardInfo bindCardInfo) {
return xhpcCardService.onlineCardBind(bindCardInfo);
}
}

5
xhpc-modules/xhpc-card/src/main/java/com/xhpc/card/domain/BindCardEcho.java
View File

@ -53,5 +53,10 @@ public class BindCardEcho {
*/
@JsonProperty("cashPledge")
private Long cashPledge;
/**
* 卡记录id
*/
@JsonProperty("cardRecordId")
private Integer cardRecordId;
}

62
xhpc-modules/xhpc-card/src/main/java/com/xhpc/card/domain/BindCardInfo.java Normal file
View File

@ -0,0 +1,62 @@
package com.xhpc.card.domain;
import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.validation.constraints.NotBlank;
import javax.validation.constraints.NotNull;
@NoArgsConstructor
@Data
public class BindCardInfo {
/**
* 用户类型
* （ 0 C端用户 1 流量方用户 2社区用户 3 B端用户）
*/
@JsonProperty("userType")
@NotNull(message = "userType的参数名不正确或者userType的值为空，请检查传入参数")
private Integer userType;
/**
* 用户账号
*/
@JsonProperty("userAccount")
@NotNull(message = "userAccount的参数名不正确或者userAccount的值为空，请检查传入参数")
@NotBlank(message = "userAccount的参数不能为''字符串，请检查传入参数")
private String userAccount;
/**
* 卡序列号
*/
@JsonProperty("cardId")
@NotNull(message = "cardId的参数名不正确或者cardId的值为空，请检查传入参数")
@NotBlank(message = "cardId的参数不能为''字符串，请检查传入参数")
private String cardId;
/**
* 卡编号
*/
@JsonProperty("cardNo")
@NotNull(message = "cardNo的参数名不正确或者cardNo的值为空，请检查传入参数")
@NotBlank(message = "cardNo的参数不能为''字符串，请检查传入参数")
private String cardNo;
/**
* 卡类型(离线还是联网 0，离线，1联网)
*/
@JsonProperty("cardType")
@NotNull(message = "cardType的参数名不正确或者cardType的值为空，请检查传入参数")
private Integer cardType;
/**
* 卡分类 0表示平台，1表示运营商
*/
@JsonProperty("cardClassification")
@NotNull(message = "cardClassification的参数名不正确或者cardClassification的值为空，请检查传入参数")
private Integer cardClassification;
/**
* 卡记录id
*/
@JsonProperty("cardRecordId")
@NotNull(message = "cardRecordId的参数名不正确或者cardRecordId的值为空，请检查传入参数")
private Integer cardRecordId;
}

26
xhpc-modules/xhpc-card/src/main/java/com/xhpc/card/mapper/XhpcCardMapper.java
View File

@ -1,16 +1,26 @@
package com.xhpc.card.mapper;
import com.xhpc.card.pojo.XhpcIcCardInfo;
import com.xhpc.common.domain.IccardInfo;
import com.xhpc.common.domain.XhpcIcCardInfo;
import org.apache.ibatis.annotations.Param;
/**
* @author yuyang
* @date 2022/1/20 13:45
*/
public interface XhpcCardMapper {
IccardInfo getIccardInfoCardno(@Param("cardno")String cardno);
IccardInfo getIccardInfoCardno(@Param("cardno") String cardno);
XhpcIcCardInfo getXhpcIcCardInfo(@Param("tIccardInfoId")String tIccardInfoId);
}
XhpcIcCardInfo getXhpcIcCardInfo(@Param("tIccardInfoId") String tIccardInfoId);
int deleteByPrimaryKey(Long icCardInfoId);
int insert(XhpcIcCardInfo record);
int insertSelective(XhpcIcCardInfo record);
XhpcIcCardInfo selectByPrimaryKey(Long icCardInfoId);
int updateByPrimaryKeySelective(XhpcIcCardInfo record);
int updateByPrimaryKey(XhpcIcCardInfo record);
}

88
xhpc-modules/xhpc-card/src/main/java/com/xhpc/card/pojo/XhpcIcCardInfo.java Normal file
View File

@ -0,0 +1,88 @@
package com.xhpc.card.pojo;
import lombok.Data;
import java.io.Serializable;
import java.util.Date;
/**
* xhpc_ic_card_info
*
* @author
*/
@Data
public class XhpcIcCardInfo implements Serializable {
/**
* 记录id
*/
private Long icCardInfoId;
/**
* t_iccard_info表中的卡记录的id
*/
private String tIccardInfoId;
/**
* 卡使用状态（0未使用，1已绑定）
*/
private Long useStatus;
/**
* 绑卡日期
*/
private Date createTime;
/**
* 用户id
*/
private Integer userId;
/**
* 用户账户
*/
private String userAccount;
/**
* 用户类型（0 C端用户 1 流量方用户 2社区用户 3B端用户）
*/
private Long userType;
/**
* 用户姓名
*/
private String userName;
/**
* 用户身份证
*/
private String userIdCard;
/**
* 用户年龄
*/
private Long userAge;
/**
* 用户性别（0女，1男）
*/
private Long userSex;
/**
* 用户手机号码
*/
private String userPhone;
/**
* 用户车牌号码
*/
private String userVehicle;
/**
* 逻辑删除字段（默认为0，1为删除）
*/
private Long delFlag;
private static final long serialVersionUID = 1L;
}

13
xhpc-modules/xhpc-card/src/main/java/com/xhpc/card/service/IXhpcCardService.java
View File

@ -61,7 +61,7 @@ public interface IXhpcCardService {
* @date 2022/1/28 10:44
* @since version-1.0
*/
R<BindCardEcho> bindCard(Long cardId);
R<BindCardEcho> noBindCardInfo(Long cardId);
/**
* 平台、运营商选择用户时，查询指定类型下的所有用户数据
@ -74,4 +74,15 @@ public interface IXhpcCardService {
*/
R<SearchCardResponse> searchCardUser(SearchCardUserQueryCondition queryCondition);
/**
* 联网卡绑定
*
* @param bindCardInfo 要绑定的联网卡信息
* @return 操作结果
* @author WH
* @date 2022/2/9 10:48
* @since version-1.0
*/
R<Object> onlineCardBind(BindCardInfo bindCardInfo);
}

118
xhpc-modules/xhpc-card/src/main/java/com/xhpc/card/service/impl/XhpcCardServiceImpl.java
View File

@ -6,15 +6,14 @@ import com.xhpc.card.pojo.*;
import com.xhpc.card.service.IXhpcCardService;
import com.xhpc.card.utils.MyPagingUtil;
import com.xhpc.common.api.CardHistoryOrderService;
import com.xhpc.common.core.constant.Constants;
import com.xhpc.common.core.domain.R;
import com.xhpc.common.domain.IccardInfo;
import com.xhpc.common.domain.XhpcIcCardInfo;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
@ -27,7 +26,6 @@ public class XhpcCardServiceImpl implements IXhpcCardService {
@Resource
private XhpcCardMapper xhpcCardMapper;
@Resource
private CardHistoryOrderService cardHistoryOrderService;
@Resource
@ -46,47 +44,53 @@ public class XhpcCardServiceImpl implements IXhpcCardService {
private XhpcCustomersPersonnelMapper xhpcCustomersPersonnelMapper;
/**
* 卡启动充电判断
*
* @param cardno
* @param serialNumber
* @return
*/
///**
// * 卡启动充电判断
// *
// * @param cardno
// * @param serialNumber
// * @return
// */
//@Override
//public R cardStartup(String cardno, String serialNumber) {
//
// IccardInfo iccardInfo = xhpcCardMapper.getIccardInfoCardno(cardno);
// if(iccardInfo !=null){
// if(iccardInfo.getCardtype()==0){
// return R.fail(Constants.OFFLINE_CARD);
// }
// if(iccardInfo.getStatus()==0){
// return R.fail(Constants.ZERO_CARD);
// }
// if(iccardInfo.getStatus()==2){
// return R.fail(Constants.TWO_CARD);
// }
// if(iccardInfo.getStatus()==3){
// return R.fail(Constants.THREE_CARD);
// }
// if(iccardInfo.getStatus()==4){
// return R.fail(Constants.FOUR_CARD);
// }
// }else{
// return R.fail(Constants.LNVALID_CARD);
// }
// //查询卡号对应的用户
// XhpcIcCardInfo xhpcIcCardInfo = xhpcCardMapper.getXhpcIcCardInfo(iccardInfo.getId().toString());
// if (xhpcIcCardInfo == null) {
// return R.fail(Constants.LNVALID_USER);
// }
// Long userId = xhpcIcCardInfo.getUserId();
// Integer userType = xhpcIcCardInfo.getUserType();
// String tenantId = xhpcIcCardInfo.getTenantId();
// Integer type = 1;
// String grantOperator = xhpcIcCardInfo.getGrantOperatorId();
// return cardHistoryOrderService.cardStartup(userId, serialNumber, userType, tenantId, type, grantOperator);
//}
@Override
public R cardStartup(String cardno, String serialNumber) {
IccardInfo iccardInfo = xhpcCardMapper.getIccardInfoCardno(cardno);
if(iccardInfo !=null){
if(iccardInfo.getCardtype()==0){
return R.fail(Constants.OFFLINE_CARD);
}
if(iccardInfo.getStatus()==0){
return R.fail(Constants.ZERO_CARD);
}
if(iccardInfo.getStatus()==2){
return R.fail(Constants.TWO_CARD);
}
if(iccardInfo.getStatus()==3){
return R.fail(Constants.THREE_CARD);
}
if(iccardInfo.getStatus()==4){
return R.fail(Constants.FOUR_CARD);
}
}else{
return R.fail(Constants.LNVALID_CARD);
}
//查询卡号对应的用户
XhpcIcCardInfo xhpcIcCardInfo = xhpcCardMapper.getXhpcIcCardInfo(iccardInfo.getId().toString());
if (xhpcIcCardInfo == null) {
return R.fail(Constants.LNVALID_USER);
}
Long userId = xhpcIcCardInfo.getUserId();
Integer userType = xhpcIcCardInfo.getUserType();
String tenantId = xhpcIcCardInfo.getTenantId();
Integer type = 1;
String grantOperator = xhpcIcCardInfo.getGrantOperatorId();
return cardHistoryOrderService.cardStartup(userId, serialNumber, userType, tenantId, type, grantOperator);
return null;
}
@Override
@ -183,7 +187,7 @@ public class XhpcCardServiceImpl implements IXhpcCardService {
}
@Override
public R<BindCardEcho> bindCard(Long cardId) {
public R<BindCardEcho> noBindCardInfo(Long cardId) {
BindCardEcho bindCardEcho = new BindCardEcho();
TIccardInfo tIccardInfo = tIccardInfoMapper.selectByPrimaryKey(Math.toIntExact(cardId));
@ -209,6 +213,8 @@ public class XhpcCardServiceImpl implements IXhpcCardService {
List<Integer> userType = Arrays.stream(userTypeArray).boxed().collect(Collectors.toList());
bindCardEcho.setUserType(userType);
}
bindCardEcho.setCashPledge(Long.valueOf(tIccardInfo.getCashpledge()));
bindCardEcho.setCardRecordId(tIccardInfo.getId());
return R.ok(bindCardEcho);
}
@ -258,9 +264,8 @@ public class XhpcCardServiceImpl implements IXhpcCardService {
}
break;
default:
break;
return R.fail("没有此用户类型");
}
return R.ok(searchCardResponse);
} else if (queryCondition.getCardClassification() == 1) {
XhpcOperator operator = xhpcOperatorMapper.selectByName(queryCondition.getGrantOperatorName());
if (operator == null) {
@ -292,11 +297,30 @@ public class XhpcCardServiceImpl implements IXhpcCardService {
}
break;
default:
break;
return R.fail("没有此用户类型");
}
return R.ok(searchCardResponse);
}
return R.fail("没有此卡类型");
}
@Override
@Transactional(rollbackFor = Exception.class)
public R<Object> onlineCardBind(BindCardInfo bindCardInfo) {
//check card type is online card
if (bindCardInfo.getCardType() != 1) {
R.fail("该卡不是联网卡");
}
//build an association
XhpcIcCardInfo xhpcIcCardInfo = new XhpcIcCardInfo();
xhpcIcCardInfo.setTIccardInfoId(String.valueOf(bindCardInfo.getCardRecordId()));
xhpcIcCardInfo.setUseStatus(1L);
xhpcIcCardInfo.setCreateTime(new Date());
TIccardInfo tIccardInfo = tIccardInfoMapper.selectByPrimaryKey(bindCardInfo.getCardRecordId());
xhpcIcCardInfo.setUserId(tIccardInfo.getUserindex());
xhpcIcCardInfo.setUserAccount(bindCardInfo.getUserAccount());
xhpcIcCardInfo.setUserType(Long.valueOf(bindCardInfo.getUserType()));
xhpcCardMapper.insertSelective(xhpcIcCardInfo);
return R.ok();
}
}

245
xhpc-modules/xhpc-card/src/main/resources/mapper/XhpcCardMapper.xml
View File

@ -1,37 +1,214 @@
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!--suppress ALL -->
<mapper namespace="com.xhpc.card.mapper.XhpcCardMapper">
<resultMap id="BaseResultMap" type="com.xhpc.card.pojo.XhpcIcCardInfo">
<id column="ic_card_info_id" jdbcType="BIGINT" property="icCardInfoId"/>
<result column="t_iccard_info_id" jdbcType="VARCHAR" property="tIccardInfoId"/>
<result column="use_status" jdbcType="BIGINT" property="useStatus"/>
<result column="create_time" jdbcType="TIMESTAMP" property="createTime"/>
<result column="user_id" jdbcType="INTEGER" property="userId"/>
<result column="user_account" jdbcType="VARCHAR" property="userAccount"/>
<result column="user_type" jdbcType="BIGINT" property="userType"/>
<result column="user_name" jdbcType="VARCHAR" property="userName"/>
<result column="user_id_card" jdbcType="VARCHAR" property="userIdCard"/>
<result column="user_age" jdbcType="BIGINT" property="userAge"/>
<result column="user_sex" jdbcType="BIGINT" property="userSex"/>
<result column="user_phone" jdbcType="VARCHAR" property="userPhone"/>
<result column="user_vehicle" jdbcType="VARCHAR" property="userVehicle"/>
<result column="del_flag" jdbcType="BIGINT" property="delFlag"/>
</resultMap>
<sql id="Base_Column_List">
ic_card_info_id
, t_iccard_info_id, use_status, create_time, user_id, user_account,
user_type, user_name, user_id_card, user_age, user_sex, user_phone, user_vehicle,
del_flag
</sql>
<select id="selectByPrimaryKey" parameterType="java.lang.Long" resultMap="BaseResultMap">
select
<include refid="Base_Column_List"/>
from xhpc_ic_card_info
where ic_card_info_id = #{icCardInfoId,jdbcType=BIGINT}
</select>
<delete id="deleteByPrimaryKey" parameterType="java.lang.Long">
delete
from xhpc_ic_card_info
where ic_card_info_id = #{icCardInfoId,jdbcType=BIGINT}
</delete>
<insert id="insert" keyColumn="ic_card_info_id" keyProperty="icCardInfoId"
parameterType="com.xhpc.card.pojo.XhpcIcCardInfo" useGeneratedKeys="true">
insert into xhpc_ic_card_info (t_iccard_info_id, use_status, create_time,
user_id, user_account, user_type,
user_name, user_id_card, user_age,
user_sex, user_phone, user_vehicle,
del_flag)
values (#{tIccardInfoId,jdbcType=VARCHAR}, #{useStatus,jdbcType=BIGINT}, #{createTime,jdbcType=TIMESTAMP},
#{userId,jdbcType=INTEGER}, #{userAccount,jdbcType=VARCHAR}, #{userType,jdbcType=BIGINT},
#{userName,jdbcType=VARCHAR}, #{userIdCard,jdbcType=VARCHAR}, #{userAge,jdbcType=BIGINT},
#{userSex,jdbcType=BIGINT}, #{userPhone,jdbcType=VARCHAR}, #{userVehicle,jdbcType=VARCHAR},
#{delFlag,jdbcType=BIGINT})
</insert>
<insert id="insertSelective" keyColumn="ic_card_info_id" keyProperty="icCardInfoId"
parameterType="com.xhpc.card.pojo.XhpcIcCardInfo" useGeneratedKeys="true">
insert into xhpc_ic_card_info
<trim prefix="(" suffix=")" suffixOverrides=",">
<if test="tIccardInfoId != null">
t_iccard_info_id,
</if>
<if test="useStatus != null">
use_status,
</if>
<if test="createTime != null">
create_time,
</if>
<if test="userId != null">
user_id,
</if>
<if test="userAccount != null">
user_account,
</if>
<if test="userType != null">
user_type,
</if>
<if test="userName != null">
user_name,
</if>
<if test="userIdCard != null">
user_id_card,
</if>
<if test="userAge != null">
user_age,
</if>
<if test="userSex != null">
user_sex,
</if>
<if test="userPhone != null">
user_phone,
</if>
<if test="userVehicle != null">
user_vehicle,
</if>
<if test="delFlag != null">
del_flag,
</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides=",">
<if test="tIccardInfoId != null">
#{tIccardInfoId,jdbcType=VARCHAR},
</if>
<if test="useStatus != null">
#{useStatus,jdbcType=BIGINT},
</if>
<if test="createTime != null">
#{createTime,jdbcType=TIMESTAMP},
</if>
<if test="userId != null">
#{userId,jdbcType=INTEGER},
</if>
<if test="userAccount != null">
#{userAccount,jdbcType=VARCHAR},
</if>
<if test="userType != null">
#{userType,jdbcType=BIGINT},
</if>
<if test="userName != null">
#{userName,jdbcType=VARCHAR},
</if>
<if test="userIdCard != null">
#{userIdCard,jdbcType=VARCHAR},
</if>
<if test="userAge != null">
#{userAge,jdbcType=BIGINT},
</if>
<if test="userSex != null">
#{userSex,jdbcType=BIGINT},
</if>
<if test="userPhone != null">
#{userPhone,jdbcType=VARCHAR},
</if>
<if test="userVehicle != null">
#{userVehicle,jdbcType=VARCHAR},
</if>
<if test="delFlag != null">
#{delFlag,jdbcType=BIGINT},
</if>
</trim>
</insert>
<update id="updateByPrimaryKeySelective" parameterType="com.xhpc.card.pojo.XhpcIcCardInfo">
update xhpc_ic_card_info
<set>
<if test="tIccardInfoId != null">
t_iccard_info_id = #{tIccardInfoId,jdbcType=VARCHAR},
</if>
<if test="useStatus != null">
use_status = #{useStatus,jdbcType=BIGINT},
</if>
<if test="createTime != null">
create_time = #{createTime,jdbcType=TIMESTAMP},
</if>
<if test="userId != null">
user_id = #{userId,jdbcType=INTEGER},
</if>
<if test="userAccount != null">
user_account = #{userAccount,jdbcType=VARCHAR},
</if>
<if test="userType != null">
user_type = #{userType,jdbcType=BIGINT},
</if>
<if test="userName != null">
user_name = #{userName,jdbcType=VARCHAR},
</if>
<if test="userIdCard != null">
user_id_card = #{userIdCard,jdbcType=VARCHAR},
</if>
<if test="userAge != null">
user_age = #{userAge,jdbcType=BIGINT},
</if>
<if test="userSex != null">
user_sex = #{userSex,jdbcType=BIGINT},
</if>
<if test="userPhone != null">
user_phone = #{userPhone,jdbcType=VARCHAR},
</if>
<if test="userVehicle != null">
user_vehicle = #{userVehicle,jdbcType=VARCHAR},
</if>
<if test="delFlag != null">
del_flag = #{delFlag,jdbcType=BIGINT},
</if>
</set>
where ic_card_info_id = #{icCardInfoId,jdbcType=BIGINT}
</update>
<update id="updateByPrimaryKey" parameterType="com.xhpc.card.pojo.XhpcIcCardInfo">
update xhpc_ic_card_info
set t_iccard_info_id = #{tIccardInfoId,jdbcType=VARCHAR},
use_status = #{useStatus,jdbcType=BIGINT},
create_time = #{createTime,jdbcType=TIMESTAMP},
user_id = #{userId,jdbcType=INTEGER},
user_account = #{userAccount,jdbcType=VARCHAR},
user_type = #{userType,jdbcType=BIGINT},
user_name = #{userName,jdbcType=VARCHAR},
user_id_card = #{userIdCard,jdbcType=VARCHAR},
user_age = #{userAge,jdbcType=BIGINT},
user_sex = #{userSex,jdbcType=BIGINT},
user_phone = #{userPhone,jdbcType=VARCHAR},
user_vehicle = #{userVehicle,jdbcType=VARCHAR},
del_flag = #{delFlag,jdbcType=BIGINT}
where ic_card_info_id = #{icCardInfoId,jdbcType=BIGINT}
</update>
<resultMap type="com.xhpc.common.domain.XhpcIcCardInfo" id="XhpcIcCardInfoResult">
<result column="ic_card_info_id" property="icCardInfoId"/>
<result column="t_iccard_info_id" property="tIccardInfoId"/>
<result column="use_status" property="useStatus"/>
<result column="create_time" property="createTime"/>
<result column="tenant_id" property="tenantId"/>
<result column="grant_operator_id" property="grantOperatorId"/>
<result column="user_id" property="userId"/>
<result column="user_account" property="userName"/>
<result column="user_type" property="userType"/>
<result column="user_name" property="userName"/>
<result column="user_id_card" property="userIdCard"/>
<result column="user_age" property="userAge"/>
<result column="user_sex" property="userSex"/>
<result column="user_phone" property="userPhone"/>
<result column="user_vehicle" property="userVehicle"/>
<result column="del_flag" property="delFlag"/>
</resultMap>
<select id="getIccardInfoCardno" resultType="com.xhpc.common.domain.IccardInfo">
select *
from t_iccard_info
where cardNo = #{cardno}
order by createTime desc limit 1
</select>
<select id="getIccardInfoCardno" resultType="com.xhpc.common.domain.IccardInfo">
select * from t_iccard_info where cardNo=#{cardno} order by createTime desc limit 1
</select>
<select id="getXhpcIcCardInfo" resultMap="XhpcIcCardInfoResult">
select * from xhpc_ic_card_info where t_iccard_info_id=#{tIccardInfoId} and del_flag=0 order by create_time desc limit 1
</select>
</mapper>
<select id="getXhpcIcCardInfo" resultMap="BaseResultMap">
select *
from xhpc_ic_card_info
where t_iccard_info_id = #{tIccardInfoId}
and del_flag = 0
order by create_time desc limit 1
</select>
</mapper>