webDevice

src/main/java/com/mmc/pms/common/BaseErrorInfoInterface.java

+package com.mmc.pms.common;
+
+/**
+ * @Author small
+ * @Date 2023/5/15 14:29
+ * @Version 1.0
+ */
+public interface BaseErrorInfoInterface {
+    /**
+     * 错误码
+     *
+     * @return
+     */
+    String getResultCode();
+
+    /**
+     * 错误描述
+     *
+     * @return
+     */
+    String getResultMsg();
+}

src/main/java/com/mmc/pms/common/ResultBody.java

+package com.mmc.pms.common;
+
+import com.alibaba.fastjson2.JSONObject;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+
+/**
+ * @Author small
+ * @Date 2023/5/15 14:28
+ * @Version 1.0
+ */
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@ApiModel(value = "com.mmc.result.ResultBody", description = "请求响应体")
+public class ResultBody<T> implements Serializable {
+    private static final long serialVersionUID = 6341937455634693363L;
+
+    /**
+     * 响应代码
+     */
+    @ApiModelProperty(value = "响应代码")
+    private String code;
+
+    /**
+     * 响应消息
+     */
+    @ApiModelProperty(value = "响应消息")
+    private String message;
+
+    /**
+     * 响应结果
+     */
+    @ApiModelProperty(value = "响应结果")
+    private T result;
+
+    public ResultBody(BaseErrorInfoInterface errorInfo) {
+        this.code = errorInfo.getResultCode();
+        this.message = errorInfo.getResultMsg();
+    }
+
+    /**
+     * 成功
+     *
+     * @return
+     */
+    public static ResultBody success() {
+        return success(null);
+    }
+
+    /**
+     * 成功
+     *
+     * @param data
+     * @return
+     */
+    public static <T> ResultBody success(T data) {
+        ResultBody rb = new ResultBody();
+        rb.setCode(ResultEnum.SUCCESS.getResultCode());
+        rb.setMessage(ResultEnum.SUCCESS.getResultMsg());
+        rb.setResult(data);
+        return rb;
+    }
+
+    /**
+     * 成功
+     *
+     * **/
+    public static ResultBody success1(ResultEnum enums){
+        ResultBody rb = new ResultBody();
+        rb.setCode("200");
+        rb.setMessage(enums.getResultMsg());
+        rb.setResult(null);
+        return rb;
+    }
+
+
+    public void buildSuccess() {
+        this.setCode(ResultEnum.SUCCESS.getResultCode());
+        this.setMessage(ResultEnum.SUCCESS.getResultMsg());
+    }
+
+    /**
+     * 失败
+     */
+    public static ResultBody error(BaseErrorInfoInterface errorInfo) {
+        ResultBody rb = new ResultBody();
+        rb.setCode(errorInfo.getResultCode());
+        rb.setMessage(errorInfo.getResultMsg());
+        rb.setResult(null);
+        return rb;
+    }
+
+    /**
+     * 失败
+     */
+    public static ResultBody error(String code, String message) {
+        ResultBody rb = new ResultBody();
+        rb.setCode(code);
+        rb.setMessage(message);
+        rb.setResult(null);
+        return rb;
+    }
+
+    /**
+     * 失败
+     */
+    public static ResultBody error(ResultEnum enums) {
+        ResultBody rb = new ResultBody();
+        rb.setCode(enums.getResultCode());
+        rb.setMessage(enums.getResultMsg());
+        rb.setResult(null);
+        return rb;
+    }
+
+    /**
+     * 失败
+     */
+    public static ResultBody error(String message) {
+        ResultBody rb = new ResultBody();
+        rb.setCode("-1");
+        rb.setMessage(message);
+        rb.setResult(null);
+        return rb;
+    }
+
+    /**
+     * 失败
+     */
+    public static ResultBody error(ResultEnum enums, Object data) {
+        ResultBody rb = new ResultBody();
+        rb.setCode(enums.getResultCode());
+        rb.setMessage(enums.getResultMsg());
+        rb.setResult(data);
+        return rb;
+    }
+
+    public static boolean isSuccess(ResultBody res) {
+        return res.getCode().equals(ResultEnum.SUCCESS.getResultCode());
+    }
+
+    @Override
+    public String toString() {
+        return JSONObject.toJSONString(this);
+    }
+}

src/main/java/com/mmc/pms/controller/MiniProgramDeviceController.java

+package com.mmc.pms.controller;
+
+import io.swagger.annotations.Api;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @Author small
+ * @Date 2023/5/15 13:24
+ * @Version 1.0
+ */
+@Api(tags = {"小程序设备租赁-接口"})
+@RestController
+@RequestMapping("/appDevice")
+public class MiniProgramDeviceController {
+
+
+}

src/main/java/com/mmc/pms/controller/MiniProgramProductMallController.java

+package com.mmc.pms.controller;
+
+import io.swagger.annotations.Api;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @Author small
+ * @Date 2023/5/15 13:23
+ * @Version 1.0
+ */
+@Api(tags = {"小程序产品商城-接口"})
+@RestController
+@RequestMapping("/AppProductMall")
+public class MiniProgramProductMallController {
+
+}

src/main/java/com/mmc/pms/controller/WebDeviceController.java

+package com.mmc.pms.controller;
+
+import com.mmc.pms.common.ResultBody;
+import com.mmc.pms.model.vo.LeaseVo;
+import com.mmc.pms.service.WebDeviceService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * @Author small @Date 2023/5/15 13:25 @Version 1.0
+ */
+@Api(tags = {"web设备租赁-接口"})
+@RestController
+@RequestMapping("/webProductMall")
+public class WebDeviceController {
+
+  @Autowired private WebDeviceService webDeviceService;
+
+  @ApiOperation(value = "获取到二级地区信息——设备租赁/产品商城接口共用")
+  @ApiResponses({@ApiResponse(code = 200, message = "OK", response = ResultBody.class)})
+  @GetMapping("/getSecondDistrictInfo")
+  public ResultBody getSecondDistrictInfo() {
+    return webDeviceService.listSecondDistrict();
+  }
+
+  @ApiOperation("设备类目")
+  @GetMapping("/category")
+  public ResultBody category() {
+    return webDeviceService.category();
+  }
+
+  @ApiOperation("品牌")
+  @GetMapping("/brand")
+  public ResultBody brand() {
+    return webDeviceService.brand();
+  }
+
+  @ApiOperation("型号")
+  @GetMapping("/model")
+  public ResultBody model() {
+    return webDeviceService.model();
+  }
+
+  @ApiOperation(value = "设备列表筛选")
+  @ApiResponses({@ApiResponse(code = 200, message = "OK", response = ResultBody.class)})
+  @GetMapping("/deviceList")
+  public ResultBody deviceList(
+      @RequestParam(value = "districtId", required = false) Integer districtId,
+      @RequestParam(value = "categoryId", required = false) Integer categoryId,
+      @RequestParam(value = "brandId", required = false) Integer brandId,
+      @RequestParam(value = "modelId", required = false) Integer modelId) {
+    return webDeviceService.deviceList(districtId, categoryId, brandId, modelId);
+  }
+
+  @ApiOperation(value = "立即租赁")
+  @ApiResponses({@ApiResponse(code = 200, message = "OK", response = ResultBody.class)})
+  @PostMapping("/update")
+  public ResultBody update(@RequestBody LeaseVo param) {
+    return webDeviceService.update(param);
+  }
+}

src/main/java/com/mmc/pms/controller/WebProductMallController.java

+package com.mmc.pms.controller;
+
+import io.swagger.annotations.Api;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @Author small
+ * @Date 2023/5/15 13:24
+ * @Version 1.0
+ */
+@Api(tags = {"web产品商城-接口"})
+@RestController
+@RequestMapping("/userwechat/")
+public class WebProductMallController {
+}

src/main/java/com/mmc/pms/dao/WebDeviceDao.java

+package com.mmc.pms.dao;
+
+import com.mmc.pms.entity.*;
+import com.mmc.pms.model.vo.LeaseVo;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * @Author small @Date 2023/5/15 14:35 @Version 1.0
+ */
+@Mapper
+public interface WebDeviceDao {
+  List<DistrictDO> listSecondDistrict();
+
+  List<DeviceCategory> category();
+
+  List<Brand> brand();
+
+  List<Model> model();
+
+  List<DeviceListDO> deviceList(
+      Integer districtId, Integer categoryId, Integer brandId, Integer modelId);
+
+  int update(LeaseVo param);
+
+  InventoryDO findInventory(Integer inventoryId);
+}

src/main/java/com/mmc/pms/entity/BaseEntity.java

+package com.mmc.pms.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableLogic;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+/**
+ * @Author small @Date 2023/5/15 15:22 @Version 1.0
+ */
+@Data
+public class BaseEntity implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  @TableId(value = "id", type = IdType.AUTO)
+  private Integer id;
+
+  @ApiModelProperty("添加时间")
+  @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+  private LocalDateTime addtime;
+
+  @ApiModelProperty("最近一次编辑时间")
+  @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+  private LocalDateTime updatetime;
+
+  @ApiModelProperty("1删除")
+  @JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
+  @TableLogic
+  private Integer deleted;
+}

src/main/java/com/mmc/pms/entity/Brand.java

+package com.mmc.pms.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.mmc.pms.model.dto.BrandDTO;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+/**
+ * @Author small @Date 2023/5/15 15:34 @Version 1.0
+ */
+@Data
+@ApiModel("品牌")
+@TableName("brand")
+public class Brand extends BaseEntity {
+  @ApiModelProperty("1")
+  private Integer id;
+
+  @ApiModelProperty("名称")
+  private String name;
+
+  public BrandDTO brandDTO() {
+    return BrandDTO.builder().id(this.id).name(this.name).build();
+  }
+}

src/main/java/com/mmc/pms/entity/DeviceCategory.java

+package com.mmc.pms.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.mmc.pms.model.dto.DeviceCategoryDTO;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+/**
+ * @Author small @Date 2023/5/15 15:03 @Version 1.0
+ */
+@Data
+@TableName("device_category")
+@ApiModel("设备类目")
+public class DeviceCategory extends BaseEntity {
+  @ApiModelProperty("1")
+  private Integer id;
+
+  @ApiModelProperty("类目名称")
+  private String name;
+
+  public DeviceCategoryDTO deviceCategory() {
+    return DeviceCategoryDTO.builder().id(this.id).name(this.name).build();
+  }
+}

src/main/java/com/mmc/pms/entity/DeviceListDO.java

+package com.mmc.pms.entity;
+
+import com.mmc.pms.model.dto.DeviceListDTO;
+import io.swagger.annotations.ApiModel;
+import lombok.Data;
+
+/**
+ * @Author small @Date 2023/5/15 17:04 @Version 1.0
+ */
+@Data
+@ApiModel("设备列表")
+public class DeviceListDO {
+  private Integer id;
+  private String deviceName;
+  private String imageUrl;
+  private String price;
+  private String brandName;
+  private String sysDistrictName;
+  private String modelName;
+  private String deviceCategoryName;
+  private Integer residueCount;
+  private Integer inventoryId;
+
+  public DeviceListDTO deviceListDTO() {
+    return DeviceListDTO.builder()
+        .id(this.id)
+        .deviceName(this.deviceName)
+        .imageUrl(this.imageUrl)
+        .price(this.price)
+        .brandName(this.brandName)
+        .sysDistrictName(this.sysDistrictName)
+        .modelName(this.modelName)
+        .deviceCategoryName(this.deviceCategoryName)
+        .residueCount(this.residueCount)
+        .inventoryId(this.inventoryId)
+        .build();
+  }
+}

src/main/java/com/mmc/pms/entity/DistrictDO.java

+package com.mmc.pms.entity;
+
+import com.mmc.pms.model.dto.DistrictInfoDTO;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.springframework.util.CollectionUtils;
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * @Author small
+ * @Date 2023/5/15 14:33
+ * @Version 1.0
+ */
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class DistrictDO implements Serializable {
+    private static final long serialVersionUID = 4345895963086642848L;
+    private Integer id;
+    private String name;
+    private Integer level;
+    private Integer pid;
+    private List<DistrictDO> childInfo;
+
+    public DistrictInfoDTO builderDistrictInfoDTO(){
+        return DistrictInfoDTO.builder()
+                .id(this.id)
+                .name(this.name)
+                .level(this.level)
+                .pid(this.pid)
+                .childInfo(CollectionUtils.isEmpty(this.childInfo)?null:this.childInfo.stream().map(d->{return d.builderDistrictInfoDTO();}).collect(Collectors.toList()))
+                .build();
+    }
+
+}

src/main/java/com/mmc/pms/entity/InventoryDO.java

+package com.mmc.pms.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @Author small @Date 2023/5/15 18:16 @Version 1.0
+ */
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class InventoryDO {
+  private static final long serialVersionUID = 4345895963086642848L;
+  private Integer id;
+  private Integer allCount;
+  private Integer residueCount;
+}

src/main/java/com/mmc/pms/entity/Model.java

+package com.mmc.pms.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.mmc.pms.model.dto.ModelDTO;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+/**
+ * @Author small @Date 2023/5/15 16:12 @Version 1.0
+ */
+@Data
+@TableName("model")
+@ApiModel("型号")
+public class Model {
+  @ApiModelProperty("1")
+  private Integer id;
+
+  @ApiModelProperty("型号名称")
+  private String name;
+
+  public ModelDTO modelDTO() {
+    return ModelDTO.builder().id(this.id).name(this.name).build();
+  }
+}

src/main/java/com/mmc/pms/model/dto/BrandDTO.java

+package com.mmc.pms.model.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @Author small @Date 2023/5/15 16:07 @Version 1.0
+ */
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class BrandDTO {
+  @ApiModelProperty("1")
+  private Integer id;
+
+  @ApiModelProperty("品牌名称")
+  private String name;
+}

src/main/java/com/mmc/pms/model/dto/DeviceCategoryDTO.java

+package com.mmc.pms.model.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @Author small @Date 2023/5/15 16:02 @Version 1.0
+ */
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class DeviceCategoryDTO {
+  @ApiModelProperty("1")
+  private Integer id;
+
+  @ApiModelProperty("类目名称")
+  private String name;
+}

src/main/java/com/mmc/pms/model/dto/DeviceListDTO.java

+package com.mmc.pms.model.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @Author small @Date 2023/5/15 17:06 @Version 1.0
+ */
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class DeviceListDTO {
+  @ApiModelProperty(name = "设备id")
+  private Integer id;
+
+  @ApiModelProperty(name = "设备名称")
+  private String deviceName;
+
+  @ApiModelProperty(name = "设备图片地址")
+  private String imageUrl;
+
+  @ApiModelProperty("价格")
+  private String price;
+
+  @ApiModelProperty("品牌名称")
+  private String brandName;
+
+  @ApiModelProperty("地域名称")
+  private String sysDistrictName;
+
+  @ApiModelProperty("型号名称")
+  private String modelName;
+
+  @ApiModelProperty("类目名称")
+  private String deviceCategoryName;
+
+  @ApiModelProperty("剩余库存数量")
+  private Integer residueCount;
+
+  @ApiModelProperty("库存id")
+  private Integer inventoryId;
+}

src/main/java/com/mmc/pms/model/dto/DistrictInfoDTO.java

+package com.mmc.pms.model.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * @Author small
+ * @Date 2023/5/15 14:34
+ * @Version 1.0
+ */
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class DistrictInfoDTO implements Serializable {
+    private static final long serialVersionUID = 8352745384449903203L;
+    @ApiModelProperty(value = "地区id")
+    private Integer id;
+    @ApiModelProperty(value = "地区名称")
+    private String name;
+    @ApiModelProperty(value = "地区等级")
+    private Integer level;
+    @ApiModelProperty(value = "父id")
+    private Integer pid;
+    @ApiModelProperty(value = "地区下一级信息")
+    private List<DistrictInfoDTO> childInfo;
+}

src/main/java/com/mmc/pms/model/dto/ModelDTO.java

+package com.mmc.pms.model.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @Author small @Date 2023/5/15 16:13 @Version 1.0
+ */
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ModelDTO {
+  @ApiModelProperty("1")
+  private Integer id;
+
+  @ApiModelProperty("类目名称")
+  private String name;
+}

src/main/java/com/mmc/pms/model/vo/LeaseVo.java

+package com.mmc.pms.model.vo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.validation.constraints.NotBlank;
+
+/**
+ * @Author small @Date 2023/5/15 18:03 @Version 1.0
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@ApiModel(value = "com.mmc.pms.model.vo.LeaseVo", description = "立即租赁")
+public class LeaseVo {
+  private static final long serialVersionUID = -8917940296555539559L;
+
+  @ApiModelProperty(value = "设备id")
+  private Integer id;
+
+  @ApiModelProperty(value = "租期天数开始")
+  private Integer startDay;
+
+  @ApiModelProperty(value = "租期天数结束")
+  private Integer endDay;
+
+  @ApiModelProperty(value = "库存使用")
+  @NotBlank
+  private Integer inventoryUsage;
+
+  @ApiModelProperty(value = "库存id")
+  private Integer inventoryId;
+}

src/main/java/com/mmc/pms/service/Impl/WebDeviceServiceImpl.java

+package com.mmc.pms.service.Impl;
+
+import com.mmc.pms.common.ResultBody;
+import com.mmc.pms.dao.WebDeviceDao;
+import com.mmc.pms.entity.*;
+import com.mmc.pms.model.dto.*;
+import com.mmc.pms.model.vo.LeaseVo;
+import com.mmc.pms.service.WebDeviceService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * @Author small @Date 2023/5/15 14:32 @Version 1.0
+ */
+@Service
+public class WebDeviceServiceImpl implements WebDeviceService {
+
+  @Autowired WebDeviceDao webDeviceDao;
+
+  @Override
+  public ResultBody listSecondDistrict() {
+    List<DistrictDO> list = webDeviceDao.listSecondDistrict();
+    List<DistrictInfoDTO> dtoList =
+        list.stream()
+            .map(
+                d -> {
+                  return d.builderDistrictInfoDTO();
+                })
+            .collect(Collectors.toList());
+    return ResultBody.success(dtoList);
+  }
+
+  @Override
+  public ResultBody category() {
+    List<DeviceCategory> category = webDeviceDao.category();
+    List<DeviceCategoryDTO> collect =
+        category.stream()
+            .map(
+                t -> {
+                  return t.deviceCategory();
+                })
+            .collect(Collectors.toList());
+    return ResultBody.success(collect);
+  }
+
+  @Override
+  public ResultBody brand() {
+    List<Brand> brand = webDeviceDao.brand();
+    List<BrandDTO> collect =
+        brand.stream()
+            .map(
+                t -> {
+                  return t.brandDTO();
+                })
+            .collect(Collectors.toList());
+    return ResultBody.success(collect);
+  }
+
+  @Override
+  public ResultBody model() {
+    List<Model> model = webDeviceDao.model();
+    List<ModelDTO> collect =
+        model.stream()
+            .map(
+                t -> {
+                  return t.modelDTO();
+                })
+            .collect(Collectors.toList());
+    return ResultBody.success(collect);
+  }
+
+  @Override
+  public ResultBody deviceList(
+      Integer districtId, Integer categoryId, Integer brandId, Integer modelId) {
+    List<DeviceListDO> deviceList =
+        webDeviceDao.deviceList(districtId, categoryId, brandId, modelId);
+    List<DeviceListDTO> collect =
+        deviceList.stream()
+            .map(
+                t -> {
+                  return t.deviceListDTO();
+                })
+            .collect(Collectors.toList());
+    return ResultBody.success(collect);
+  }
+
+  @Override
+  public ResultBody update(LeaseVo param) {
+    InventoryDO inventory = webDeviceDao.findInventory(param.getInventoryId());
+    Integer residueCount = inventory.getResidueCount();
+    Integer count = residueCount - param.getInventoryUsage();
+    param.setInventoryUsage(count);
+    int update = webDeviceDao.update(param);
+    return ResultBody.success(update);
+  }
+}

src/main/java/com/mmc/pms/service/WebDeviceService.java

+package com.mmc.pms.service;
+
+import com.mmc.pms.common.ResultBody;
+import com.mmc.pms.model.vo.LeaseVo;
+
+/**
+ * @Author small @Date 2023/5/15 14:28 @Version 1.0
+ */
+public interface WebDeviceService {
+  ResultBody listSecondDistrict();
+
+  ResultBody category();
+
+  ResultBody brand();
+
+  ResultBody model();
+
+  ResultBody deviceList(Integer districtId, Integer categoryId, Integer brandId, Integer modelId);
+
+  ResultBody update(LeaseVo param);
+}

src/main/resources/mapper/WebDeviceDao.xml

+<?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">
+<mapper namespace="com.mmc.pms.dao.WebDeviceDao">
+    <resultMap id="secondDistrict"
+               type="com.mmc.pms.entity.DistrictDO">
+        <id property="id" column="id"/>
+        <result property="name" column="name"/>
+        <result property="level" column="level"/>
+        <result property="pid" column="pid"/>
+        <collection property="childInfo" javaType="java.util.List"
+                    ofType="com.mmc.pms.entity.DistrictDO">
+            <id property="id" column="childId"/>
+            <result property="name" column="childName"/>
+            <result property="level" column="childLevel"/>
+            <result property="pid" column="childPid"/>
+        </collection>
+    </resultMap>
+    <select id="listSecondDistrict" resultMap="secondDistrict">
+        select p1.id,
+               p1.`name`,
+               p1.`level`,
+               p1.pid,
+               p2.id      as childId,
+               p2.`name`  as
+                             childName,
+               p2.`level` as childLevel,
+               p2.pid     as childPid
+        from sys_district p1,
+             sys_district p2
+        where p2.level!=3 and p1.id=p2.pid
+    </select>
+
+    <select id="category" resultType="com.mmc.pms.entity.DeviceCategory">
+        select id, `name`
+        from device_category;
+    </select>
+
+    <select id="brand" resultType="com.mmc.pms.entity.Brand">
+        select id, `name`
+        from brand;
+    </select>
+
+    <select id="model" resultType="com.mmc.pms.entity.Model">
+        select id, `name`
+        from model;
+    </select>
+
+    <select id="deviceList" resultType="com.mmc.pms.entity.DeviceListDO">
+        SELECT d.id,
+        d.`name` AS deviceName,
+        d.image_url AS imageUrl,
+        d.price,
+        b.`name` AS brandName,
+        sd.`name` AS sysDistrictName,
+        m.`name` AS modelName,
+        dc.`name` AS deviceCategoryName,
+        i.residue_count AS residueCount,
+        i.id as inventoryId
+        FROM device d
+        LEFT JOIN brand b ON d.brand_id = b.id
+        LEFT JOIN sys_district sd ON d.sys_district_id = sd.id
+        LEFT JOIN model m ON m.id = d.model_id
+        LEFT JOIN device_category dc ON dc.id = d.device_category_id
+        LEFT JOIN inventory i ON i.id = d.inventory_id
+        WHERE 1=1
+        <if test='districtId!=null and districtId!=" " '>
+            and sd.id = #{districtId}
+        </if>
+        <if test='brandId!=null and brandId!=" " '>
+            and b.id = #{brandId}
+        </if>
+        <if test='modelId!=null and modelId!=" " '>
+            and m.id = #{modelId}
+        </if>
+        <if test='categoryId!=null and categoryId!=" " '>
+            and dc.id = #{categoryId}
+        </if>
+    </select>
+
+    <update id="update">
+        update inventory
+        set residue_count=#{inventoryUsage}
+        where id = #{inventoryId}
+    </update>
+    <select id="findInventory" resultType="com.mmc.pms.entity.InventoryDO">
+        select id, all_count AS allCount, residue_count AS residueCount
+        from inventory
+    </select>
+</mapper>