feat: 部门余额变更

admin-ui/src/api/ai/dept.js

@@ -44,3 +44,11 @@ export function delDept(deptId) {
     method: 'delete'
   })
 }
+
+export function chargeRefundDept(data) {
+  return request({
+    url: '/ai/dept/charge-refund',
+    method: 'post',
+    data: data
+  })
+}

admin-ui/src/api/system/dept.js

@@ -50,3 +50,12 @@ export function delDept(deptId) {
     method: 'delete'
   })
 }
+
+// 部门充值/退款
+export function chargeRefundDept(data) {
+  return request({
+    url: '/system/dept/charge-refund',
+    method: 'post',
+    data: data
+  })
+}

admin-ui/src/utils/westernNumberFormat.js

@@ -0,0 +1,76 @@
+/**
+ * 西式千分位（en-US）：金额最多两位小数，积分为整数。
+ * 用于输入/粘贴后即时格式化展示。
+ */
+
+export const WESTERN_MONEY_MAX = 10000000
+export const WESTERN_INT_MAX = 100000000
+
+const MONEY_MAX = WESTERN_MONEY_MAX
+const INT_MAX = WESTERN_INT_MAX
+
+/** 只保留数字与至多一个小数点，小数位最多 2 位 */
+export function sanitizeMoneyDigits(raw) {
+  let s = String(raw == null ? '' : raw).replace(/,/g, '').replace(/[^\d.]/g, '')
+  const firstDot = s.indexOf('.')
+  if (firstDot !== -1) {
+    s = s.slice(0, firstDot + 1) + s.slice(firstDot + 1).replace(/\./g, '').slice(0, 2)
+  }
+  return s
+}
+
+/** 将规范化后的金额字符串格式化为 9,999,999.99 形式（输入过程中允许末尾为小数点） */
+export function formatMoneyWesternDisplay(sanitized) {
+  if (!sanitized) return ''
+  const s = sanitized
+  const dot = s.indexOf('.')
+  const intRaw = dot === -1 ? s : s.slice(0, dot)
+  const decRaw = dot === -1 ? '' : s.slice(dot + 1).slice(0, 2)
+  const intNum = intRaw === '' ? 0 : parseInt(intRaw, 10)
+  const intFmt = (isNaN(intNum) ? 0 : intNum).toLocaleString('en-US')
+  if (dot === -1) return intFmt
+  if (s.endsWith('.') && decRaw === '') return intFmt + '.'
+  return intFmt + '.' + decRaw
+}
+
+/** 规范化字符串 -> 金额数值（undefined 表示空） */
+export function moneyStringToNumber(sanitized) {
+  if (sanitized === '' || sanitized === '.' || sanitized == null) return undefined
+  const n = parseFloat(sanitized)
+  if (isNaN(n)) return undefined
+  const rounded = Math.round(n * 100) / 100
+  if (rounded > MONEY_MAX) return MONEY_MAX
+  if (rounded < 0) return 0
+  return rounded
+}
+
+/** 失焦时金额固定两位小数展示 */
+export function formatMoneyWesternFinal(n) {
+  if (n === undefined || n === null || isNaN(n)) return ''
+  const v = Math.min(MONEY_MAX, Math.max(0, Math.round(Number(n) * 100) / 100))
+  return v.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 })
+}
+
+/** 积分：仅数字，并限制范围 */
+export function sanitizeIntDigits(raw) {
+  let d = String(raw == null ? '' : raw).replace(/,/g, '').replace(/\D/g, '')
+  if (d === '') return ''
+  let n = parseInt(d, 10)
+  if (isNaN(n)) return ''
+  n = Math.min(INT_MAX, Math.max(0, n))
+  return String(n)
+}
+
+export function formatIntWesternDisplay(digits) {
+  if (!digits) return ''
+  const n = parseInt(digits, 10)
+  if (isNaN(n)) return ''
+  return n.toLocaleString('en-US')
+}
+
+export function intStringToNumber(digits) {
+  if (!digits) return undefined
+  const n = parseInt(digits, 10)
+  if (isNaN(n)) return undefined
+  return n
+}

admin-ui/src/views/system/dept/index.vue

@@ -57,19 +57,31 @@
       :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
     >
       <el-table-column prop="deptName" label="部门名称" width="260"></el-table-column>
-      <el-table-column prop="orderNum" label="排序" width="200"></el-table-column>
+      <el-table-column prop="orderNum" label="排序" width="80"></el-table-column>
+      <el-table-column prop="balance" label="剩余积分" width="200" align="right">
+        <template slot-scope="scope">
+          <span>{{ scope.row.balance != null ? scope.row.balance : '—' }}</span>
+        </template>
+      </el-table-column>
       <el-table-column prop="status" label="状态" width="100">
         <template slot-scope="scope">
           <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status"/>
         </template>
       </el-table-column>
-      <el-table-column label="创建时间" align="center" prop="createTime" width="200">
+      <el-table-column label="创建时间" align="center" prop="createTime" width="150">
         <template slot-scope="scope">
           <span>{{ parseTime(scope.row.createTime) }}</span>
         </template>
       </el-table-column>
       <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
         <template slot-scope="scope">
+          <el-button
+            size="mini"
+            type="text"
+            icon="el-icon-wallet"
+            @click="handleChargeRefund(scope.row)"
+            v-hasPermi="['system:dept:chargeRefund']"
+          >充值/退款</el-button>
           <el-button
             size="mini"
             type="text"
@@ -215,6 +227,54 @@
         <el-button @click="cancel">取 消</el-button>
       </div>
     </el-dialog>
+
+    <el-dialog
+      :title="'充值/退款 — ' + (chargeRefundForm.deptName || '')"
+      :visible.sync="chargeRefundOpen"
+      width="520px"
+      append-to-body
+      @close="resetChargeRefund"
+    >
+      <el-form ref="chargeRefundFormRef" :model="chargeRefundForm" :rules="chargeRefundRules" label-width="88px">
+        <el-form-item label="类型" prop="orderType">
+          <el-radio-group v-model="chargeRefundForm.orderType">
+            <el-radio :label="0">充值</el-radio>
+            <el-radio :label="1">退款</el-radio>
+          </el-radio-group>
+        </el-form-item>
+        <el-form-item label="金额" prop="money">
+          <el-input
+            :value="chargeRefundMoneyDisplay"
+            placeholder="财务记录（元），如 9,999,999.00"
+            clearable
+            @input="onChargeRefundMoneyInput"
+            @blur="onChargeRefundMoneyBlur"
+          />
+        </el-form-item>
+        <el-form-item label="积分" prop="amount">
+          <el-input
+            :value="chargeRefundAmountDisplay"
+            placeholder="变动积分，如 99,999,999"
+            clearable
+            @input="onChargeRefundAmountInput"
+          />
+        </el-form-item>
+        <el-form-item label="备注" prop="remark">
+          <el-input
+            v-model="chargeRefundForm.remark"
+            type="textarea"
+            :rows="2"
+            maxlength="50"
+            show-word-limit
+            placeholder="选填，最多50字"
+          />
+        </el-form-item>
+      </el-form>
+      <div slot="footer" class="dialog-footer">
+        <el-button type="primary" @click="submitChargeRefund">确 定</el-button>
+        <el-button @click="chargeRefundOpen = false">取 消</el-button>
+      </div>
+    </el-dialog>
   </div>
 </template>
 
@@ -244,7 +304,17 @@
 </style>
 
 <script>
-import { listDept, getDept, delDept, addDept, updateDept, listDeptExcludeChild } from "@/api/system/dept"
+import { listDept, getDept, delDept, addDept, updateDept, listDeptExcludeChild, chargeRefundDept } from "@/api/system/dept"
+import {
+  WESTERN_MONEY_MAX,
+  sanitizeMoneyDigits,
+  formatMoneyWesternDisplay,
+  moneyStringToNumber,
+  formatMoneyWesternFinal,
+  sanitizeIntDigits,
+  formatIntWesternDisplay,
+  intStringToNumber
+} from "@/utils/westernNumberFormat"
 import Treeselect from "@riophae/vue-treeselect"
 import "@riophae/vue-treeselect/dist/vue-treeselect.css"
 
@@ -278,6 +348,33 @@ export default {
       // 表单参数
       form: {},
       modelParamRows: [{ label: '', value: '' }],
+      chargeRefundOpen: false,
+      chargeRefundMoneyDisplay: "",
+      chargeRefundAmountDisplay: "",
+      chargeRefundForm: {
+        deptId: undefined,
+        deptName: "",
+        orderType: 0,
+        money: undefined,
+        amount: undefined,
+        remark: ""
+      },
+      chargeRefundRules: {
+        orderType: [
+          { required: true, message: "类型不能为空", trigger: "change" }
+        ],
+        money: [
+          { required: true, message: "金额不能为空", trigger: "blur" },
+          { type: "number", min: 0, max: 10000000, message: "金额须在 0～10000000 之间", trigger: "blur" }
+        ],
+        amount: [
+          { required: true, message: "积分不能为空", trigger: "blur" },
+          { type: "number", min: 1, max: 100000000, message: "积分须在 1～100000000 之间", trigger: "blur" }
+        ],
+        remark: [
+          { max: 50, message: "备注不能超过50个字符", trigger: "blur" }
+        ]
+      },
       // 表单校验
       rules: {
         parentId: [
@@ -467,6 +564,87 @@ export default {
         }
       })
     },
+    resetChargeRefund() {
+      this.chargeRefundMoneyDisplay = ""
+      this.chargeRefundAmountDisplay = ""
+      this.chargeRefundForm = {
+        deptId: undefined,
+        deptName: "",
+        orderType: 0,
+        money: undefined,
+        amount: undefined,
+        remark: ""
+      }
+      this.$nextTick(() => {
+        if (this.$refs.chargeRefundFormRef) {
+          this.$refs.chargeRefundFormRef.clearValidate()
+        }
+      })
+    },
+    handleChargeRefund(row) {
+      this.chargeRefundMoneyDisplay = ""
+      this.chargeRefundAmountDisplay = ""
+      this.chargeRefundForm = {
+        deptId: row.deptId,
+        deptName: row.deptName,
+        orderType: 0,
+        money: undefined,
+        amount: undefined,
+        remark: ""
+      }
+      this.chargeRefundOpen = true
+      this.$nextTick(() => {
+        if (this.$refs.chargeRefundFormRef) {
+          this.$refs.chargeRefundFormRef.clearValidate()
+        }
+      })
+    },
+    onChargeRefundMoneyInput(val) {
+      const sanitized = sanitizeMoneyDigits(val)
+      if (!sanitized) {
+        this.chargeRefundMoneyDisplay = ""
+        this.chargeRefundForm.money = undefined
+        return
+      }
+      const raw = parseFloat(sanitized)
+      if (!isNaN(raw) && raw > WESTERN_MONEY_MAX) {
+        this.chargeRefundForm.money = WESTERN_MONEY_MAX
+        this.chargeRefundMoneyDisplay = formatMoneyWesternFinal(WESTERN_MONEY_MAX)
+        return
+      }
+      this.chargeRefundMoneyDisplay = formatMoneyWesternDisplay(sanitized)
+      this.chargeRefundForm.money = moneyStringToNumber(sanitized)
+    },
+    onChargeRefundMoneyBlur() {
+      if (this.chargeRefundForm.money !== undefined && this.chargeRefundForm.money !== null) {
+        this.chargeRefundMoneyDisplay = formatMoneyWesternFinal(this.chargeRefundForm.money)
+      }
+    },
+    onChargeRefundAmountInput(val) {
+      const digits = sanitizeIntDigits(val)
+      this.chargeRefundAmountDisplay = digits === "" ? "" : formatIntWesternDisplay(digits)
+      this.chargeRefundForm.amount = intStringToNumber(digits)
+    },
+    submitChargeRefund() {
+      this.onChargeRefundMoneyBlur()
+      this.$refs["chargeRefundFormRef"].validate(valid => {
+        if (!valid) {
+          return
+        }
+        const data = {
+          deptId: this.chargeRefundForm.deptId,
+          orderType: this.chargeRefundForm.orderType,
+          money: this.chargeRefundForm.money,
+          amount: this.chargeRefundForm.amount,
+          remark: this.chargeRefundForm.remark ? this.chargeRefundForm.remark.trim() : undefined
+        }
+        chargeRefundDept(data).then(() => {
+          this.$modal.msgSuccess("操作成功")
+          this.chargeRefundOpen = false
+          this.getList()
+        })
+      })
+    },
     /** 删除按钮操作 */
     handleDelete(row) {
       this.$modal.confirm('是否确认删除名称为"' + row.deptName + '"的数据项？').then(function() {

web-api/ruoyi-admin/src/main/java/com/ruoyi/web/controller/ai/AiDeptController.java

@@ -26,8 +26,8 @@ import com.ruoyi.system.service.ISysDeptService;
 /**
  * AI 业务侧部门管理（数据源与系统部门 sys_dept 一致，权限独立）
  */
-@RestController
+//@RestController
-@RequestMapping("/ai/dept")
+//@RequestMapping("/ai/dept")
 public class AiDeptController extends BaseController
 {
     @Autowired

web-api/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysDeptController.java

@@ -13,11 +13,13 @@ import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
+import com.ruoyi.ai.service.IDeptChargeRefundService;
 import com.ruoyi.common.annotation.Log;
 import com.ruoyi.common.constant.UserConstants;
 import com.ruoyi.common.core.controller.BaseController;
 import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.common.core.domain.entity.SysDept;
+import com.ruoyi.common.core.request.system.DeptChargeRefundRequest;
 import com.ruoyi.common.enums.BusinessType;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.system.service.ISysDeptService;
@@ -34,6 +36,9 @@ public class SysDeptController extends BaseController
     @Autowired
     private ISysDeptService deptService;
 
+    @Autowired
+    private IDeptChargeRefundService deptChargeRefundService;
+
     /**
      * 获取部门列表
      */
@@ -129,4 +134,18 @@ public class SysDeptController extends BaseController
         deptService.checkDeptDataScope(deptId);
         return toAjax(deptService.deleteDeptById(deptId));
     }
+
+    /**
+     * 部门手工充值/退款：更新部门积分余额并记订单与流水。
+     * 需具备 {@code system:dept:chargeRefund}，且目标部门须通过数据权限校验。
+     */
+    @PreAuthorize("@ss.hasPermi('system:dept:chargeRefund')")
+    @Log(title = "部门管理", businessType = BusinessType.UPDATE)
+    @PostMapping("/charge-refund")
+    public AjaxResult chargeRefund(@Validated @RequestBody DeptChargeRefundRequest request)
+    {
+        deptService.checkDeptDataScope(request.getDeptId());
+        deptChargeRefundService.chargeOrRefund(request);
+        return success();
+    }
 }

web-api/ruoyi-common/src/main/java/com/ruoyi/common/core/request/system/DeptChargeRefundRequest.java

@@ -0,0 +1,47 @@
+package com.ruoyi.common.core.request.system;
+
+import java.math.BigDecimal;
+import javax.validation.constraints.DecimalMax;
+import javax.validation.constraints.DecimalMin;
+import javax.validation.constraints.Digits;
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+import lombok.Data;
+
+/**
+ * 部门手工充值/退款请求（后台入账）。
+ * <p>
+ * 业务约定：{@code amount}（积分）驱动 {@code sys_dept.balance} 增减；{@code money} 仅写入订单表作财务记录，不参与余额计算。
+ * 校验规则需与前端充值弹窗一致。
+ */
+@Data
+public class DeptChargeRefundRequest {
+
+    /** 目标部门 */
+    @NotNull(message = "部门不能为空")
+    private Long deptId;
+
+    /** 0-充值 1-退款，对应 {@link com.ruoyi.common.enums.ChargeRefundOrderType} */
+    @NotNull(message = "订单类型不能为空")
+    @Min(value = 0, message = "订单类型不合法")
+    @Max(value = 1, message = "订单类型不合法")
+    private Integer orderType;
+
+    /** 财务记录金额（两位小数），不参与余额运算；必填，允许为 0 */
+    @NotNull(message = "金额不能为空")
+    @DecimalMin(value = "0", inclusive = true, message = "金额不能小于0")
+    @DecimalMax(value = "10000000", message = "金额不能超过10000000")
+    @Digits(integer = 8, fraction = 2, message = "金额最多两位小数")
+    private BigDecimal money;
+
+    /** 积分变动量（正整数），与 sys_dept.balance 增减一致 */
+    @NotNull(message = "积分不能为空")
+    @Min(value = 1, message = "积分不能小于1")
+    @Max(value = 100_000_000, message = "积分不能超过100000000")
+    private Long amount;
+
+    @Size(max = 50, message = "备注不能超过50个字符")
+    private String remark;
+}

web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/IDeptChargeRefundService.java

@@ -0,0 +1,16 @@
+package com.ruoyi.ai.service;
+
+import com.ruoyi.common.core.request.system.DeptChargeRefundRequest;
+
+/**
+ * 部门手工充值/退款：同一事务内写入订单、更新部门积分、写入集团余额流水。
+ */
+public interface IDeptChargeRefundService {
+
+    /**
+     * 执行充值或退款；任一步失败则整笔回滚（含已插入的订单行）。
+     *
+     * @param request 已通过 Bean Validation 的入参
+     */
+    void chargeOrRefund(DeptChargeRefundRequest request);
+}

web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/impl/DeptChargeRefundServiceImpl.java

@@ -0,0 +1,122 @@
+package com.ruoyi.ai.service.impl;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.UUID;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.ruoyi.ai.domain.AiChargeRefundOrder;
+import com.ruoyi.ai.domain.AiGroupBalanceChangeRecord;
+import com.ruoyi.ai.service.IAiChargeRefundOrderService;
+import com.ruoyi.ai.service.IAiGroupBalanceChangeRecordService;
+import com.ruoyi.ai.service.IDeptChargeRefundService;
+import com.ruoyi.common.core.domain.entity.SysDept;
+import com.ruoyi.common.core.request.system.DeptChargeRefundRequest;
+import com.ruoyi.common.enums.ChargeRefundOrderStatusType;
+import com.ruoyi.common.enums.ChargeRefundOrderType;
+import com.ruoyi.common.enums.GroupBalanceChangeType;
+import com.ruoyi.common.exception.ServiceException;
+import com.ruoyi.common.utils.DateUtils;
+import com.ruoyi.common.utils.SecurityUtils;
+import com.ruoyi.system.service.ISysDeptService;
+
+/**
+ * 部门手工充值/退款实现。
+ * <p>
+ * 顺序：生成单号 → 写 {@code ai_charge_refund_order}（同步成功态）→ 原子更新 {@code sys_dept.balance}
+ * → 查最新余额 → 写 {@code ai_group_balance_change_record}（带符号变动量、变动后余额）。
+ */
+@Service
+public class DeptChargeRefundServiceImpl implements IDeptChargeRefundService {
+
+    @Autowired
+    private ISysDeptService deptService;
+
+    @Autowired
+    private IAiChargeRefundOrderService aiChargeRefundOrderService;
+
+    @Autowired
+    private IAiGroupBalanceChangeRecordService aiGroupBalanceChangeRecordService;
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void chargeOrRefund(DeptChargeRefundRequest request) {
+        ChargeRefundOrderType orderType = ChargeRefundOrderType.fromCode(request.getOrderType());
+        if (orderType == null) {
+            throw new ServiceException("订单类型不合法");
+        }
+
+        // 积分变动量：与 sys_dept.balance 增减一致；money 仅落库订单，不参与此处运算
+        BigDecimal amountBd = BigDecimal.valueOf(request.getAmount());
+        String orderNum = buildOrderNum();
+        Date now = DateUtils.getNowDate();
+
+        // 1) 手工入账订单，状态直接为已完成
+        AiChargeRefundOrder order = new AiChargeRefundOrder();
+        order.setDelFlag("0");
+        order.setCreateBy(SecurityUtils.getUserId());
+        order.setCreateTime(now);
+        order.setUpdateTime(now);
+        order.setOrderNum(orderNum);
+        order.setDeptId(request.getDeptId());
+        order.setOrderType(request.getOrderType());
+        // 金额两位小数：向零截断（非四舍五入），避免入账金额被抬高
+        order.setMoney(request.getMoney().setScale(2, RoundingMode.DOWN));
+        order.setAmount(amountBd);
+        order.setRemark(request.getRemark());
+        order.setStatus(ChargeRefundOrderStatusType.SUCCESS.getCode());
+
+        aiChargeRefundOrderService.insert(order);
+
+        // 2) 原子更新部门积分；退款时 rows==0 表示余额不足或部门无效，依赖事务回滚撤销上一 INSERT
+        int rows;
+        if (orderType == ChargeRefundOrderType.CHARGE) {
+            rows = deptService.addDeptBalance(request.getDeptId(), amountBd);
+        } else {
+            rows = deptService.subtractDeptBalance(request.getDeptId(), amountBd);
+        }
+        if (rows == 0) {
+            if (orderType == ChargeRefundOrderType.REFUND) {
+                throw new ServiceException("余额不足或部门不存在");
+            }
+            throw new ServiceException("部门不存在或已删除");
+        }
+
+        SysDept dept = deptService.selectDeptById(request.getDeptId());
+        if (dept == null) {
+            throw new ServiceException("部门不存在");
+        }
+
+        // 3) 流水：充值为正、退款为负；result_amount 为变动后部门余额
+        BigDecimal signedChange = orderType == ChargeRefundOrderType.CHARGE
+                ? amountBd
+                : amountBd.negate();
+
+        AiGroupBalanceChangeRecord record = new AiGroupBalanceChangeRecord();
+        record.setRelationOrderNo(orderNum);
+        record.setDeptId(request.getDeptId());
+        record.setType(orderType == ChargeRefundOrderType.CHARGE
+                ? GroupBalanceChangeType.RECHARGE.getCode()
+                : GroupBalanceChangeType.REFUND.getCode());
+        record.setChangeAmount(signedChange);
+        record.setResultAmount(dept.getBalance());
+        record.setRemark(request.getRemark());
+        record.setCreateBy(SecurityUtils.getUserId());
+        record.setCreateTime(now);
+        record.setUpdateTime(now);
+
+        aiGroupBalanceChangeRecordService.insert(record);
+    }
+
+    /** 业务单号前缀 + 日序 + 随机后缀，保证与流水 relation_order_no 一致。 */
+    private static String buildOrderNum() {
+        String uuid = UUID.randomUUID().toString().replace("-", "").substring(0, 8);
+        String dateTime = new SimpleDateFormat("yyyyMMdd").format(new Date());
+        return "CG" + dateTime + uuid;
+    }
+}

web-api/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysDeptMapper.java

@@ -1,5 +1,6 @@
 package com.ruoyi.system.mapper;
 
+import java.math.BigDecimal;
 import java.util.List;
 import org.apache.ibatis.annotations.Param;
 import com.ruoyi.common.core.domain.entity.SysDept;
@@ -117,4 +118,21 @@ public interface SysDeptMapper
     public int deleteDeptById(Long deptId);
 
     public int getMaxOrder(Long deptId);
+
+    /**
+     * 原子增加部门积分余额（充值）：{@code balance += amount}，仅 {@code del_flag = '0'} 的部门。
+     * 用于并发下避免先读后写；与 {@link #subtractDeptBalance} 成对使用。
+     *
+     * @param amount 积分变动量，正数，与订单 {@code ai_charge_refund_order.amount} 一致
+     * @return 影响行数；0 表示部门不存在或已删除
+     */
+    int addDeptBalance(@Param("deptId") Long deptId, @Param("amount") BigDecimal amount);
+
+    /**
+     * 原子扣减部门积分余额（退款）：条件 {@code IFNULL(balance,0) >= amount} 时执行 {@code balance -= amount}，防止透支。
+     *
+     * @param amount 积分变动量，正数
+     * @return 影响行数；0 表示余额不足、部门不存在或已删除
+     */
+    int subtractDeptBalance(@Param("deptId") Long deptId, @Param("amount") BigDecimal amount);
 }

web-api/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysDeptService.java

@@ -1,5 +1,6 @@
 package com.ruoyi.system.service;
 
+import java.math.BigDecimal;
 import java.util.List;
 import com.ruoyi.common.core.domain.TreeSelect;
 import com.ruoyi.common.core.domain.entity.SysDept;
@@ -123,4 +124,18 @@ public interface ISysDeptService
     public int deleteDeptById(Long deptId);
 
     public int getMaxOrder(Long deptId);
+
+    /**
+     * 原子增加部门积分余额（充值），见 {@link com.ruoyi.system.mapper.SysDeptMapper#addDeptBalance}。
+     *
+     * @param amount 积分增量，与手工入账订单中的积分字段一致
+     */
+    int addDeptBalance(Long deptId, BigDecimal amount);
+
+    /**
+     * 原子扣减部门积分余额（退款），见 {@link com.ruoyi.system.mapper.SysDeptMapper#subtractDeptBalance}。
+     *
+     * @param amount 积分减量，正数
+     */
+    int subtractDeptBalance(Long deptId, BigDecimal amount);
 }

web-api/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java

@@ -1,5 +1,6 @@
 package com.ruoyi.system.service.impl;
 
+import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -324,6 +325,20 @@ public class SysDeptServiceImpl implements ISysDeptService
         return maxOrder != null ? maxOrder : 1;
     }
 
+    /** 委托 Mapper 原子更新 {@code sys_dept.balance}（充值）。 */
+    @Override
+    public int addDeptBalance(Long deptId, BigDecimal amount)
+    {
+        return deptMapper.addDeptBalance(deptId, amount);
+    }
+
+    /** 委托 Mapper 原子更新 {@code sys_dept.balance}（退款，防透支）。 */
+    @Override
+    public int subtractDeptBalance(Long deptId, BigDecimal amount)
+    {
+        return deptMapper.subtractDeptBalance(deptId, amount);
+    }
+
     /**
      * 递归列表
      */

web-api/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml

@@ -180,4 +180,20 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 		update sys_dept set del_flag = '2' where dept_id = #{deptId}
 	</delete>
 
+	<!-- 部门积分充值：单行原子加余额 -->
+	<update id="addDeptBalance">
+		update sys_dept
+		set balance = IFNULL(balance, 0) + #{amount},
+			update_time = sysdate()
+		where dept_id = #{deptId} and del_flag = '0'
+	</update>
+
+	<!-- 部门积分退款：条件更新，余额不足则影响行数为 0，调用方需回滚事务并提示 -->
+	<update id="subtractDeptBalance">
+		update sys_dept
+		set balance = IFNULL(balance, 0) - #{amount},
+			update_time = sysdate()
+		where dept_id = #{deptId} and del_flag = '0' and IFNULL(balance, 0) &gt;= #{amount}
+	</update>
+
 </mapper>