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web-admin/src/views/cell-storage/protocol/ProtocolFormDialog.vue

@@ -529,10 +529,19 @@
               <div class="section-subtitle">缴费主表</div>
               <div class="form-grid form-grid--col6">
                 <el-form-item label="缴费模式">
-                  <el-radio-group v-model="formData.payMode" @change="onPayModeChange">
-                    <el-radio label="dj">趸交</el-radio>
-                    <el-radio label="fq">分期</el-radio>
-                  </el-radio-group>
+                  <el-select
+                    v-model="formData.payMode"
+                    placeholder="请选择缴费模式"
+                    style="width: 100%"
+                    @change="onPayModeChange"
+                  >
+                    <el-option
+                      v-for="opt in payModeOptions"
+                      :key="opt.value"
+                      :label="opt.label"
+                      :value="opt.value"
+                    />
+                  </el-select>
                 </el-form-item>
                 <el-form-item label="合同金额(元)">
                   <AmountInput
@@ -556,7 +565,7 @@
                     />
                   </el-form-item>
                 </template>
-                <template v-if="formData.payMode === 'fq'">
+                <template v-if="isInstallmentPayMode(formData.payMode)">
                   <el-form-item label="分期期数">
                     <el-input
                       v-model="formData.installmentCount"
@@ -602,39 +611,6 @@
                   </el-form-item>
                 </template>
               </div>
-              <div v-if="formData.payMode === 'fq'" class="installment-amounts-row">
-                <el-form-item label="分期金额(元)" class="installment-amounts-field">
-                  <div class="installment-amounts-cells">
-                    <div
-                      v-for="(_amount, rIdx) in formData.installmentRatios"
-                      :key="rIdx"
-                      class="installment-amount-cell"
-                    >
-                      <span class="installment-amount-cell-no">{{ rIdx + 1 }}期</span>
-                      <AmountInput
-                        v-model="formData.installmentRatios[rIdx]"
-                        :min="0"
-                        placeholder="金额"
-                        @change="onInstallmentAmountChange(rIdx)"
-                      />
-                    </div>
-                  </div>
-                </el-form-item>
-                <div class="installment-amounts-summary-row">
-                  <span
-                    class="installment-amounts-sum"
-                    :class="{ 'is-error': !!installmentAmountsError }"
-                  >
-                    合计 {{ fmtMoney(installmentAmountsSum) }}
-                    <template v-if="formData.contractAmount != null">
-                      / 合同 {{ fmtMoney(formData.contractAmount) }}
-                    </template>
-                  </span>
-                  <div v-if="installmentAmountsError" class="form-tip form-tip--error">
-                    {{ installmentAmountsError }}
-                  </div>
-                </div>
-              </div>
             </div>
 
             <!-- 缴费明细 -->
@@ -693,7 +669,7 @@
                     type="danger"
                     size="small"
                     class="detail-delete"
-                    @click.stop="formData.paymentDetails.splice(dIdx, 1)"
+                    @click.stop="removePaymentDetail(dIdx)"
                   >
                     <el-icon><Delete /></el-icon>
                   </el-button>
@@ -963,22 +939,28 @@
   import { useUserStore } from '@/store/modules/user'
   import {
   DEFAULT_INSTALLMENT_ADVANCE_DAYS,
-  isInstallmentAmountsValid,
   normalizeInstallmentAmounts,
   resizeInstallmentAmounts,
-  scaleInstallmentAmountsToContract,
-  sumInstallmentAmounts,
   syncFqPaymentDetailRowCount
 } from '@/utils/protocol-payment-installment'
   import {
     applyPayModeSwitch,
     canAddPaymentDetail,
+    createPaymentDetailRow,
     evaluatePayModeSwitch,
     isPayDetailLocked,
     markPayDetailLocks,
     sumPaidAmount,
     type PayMode
   } from '@/utils/protocol-pay-mode-switch'
+  import {
+    availablePayModes,
+    getActiveSampleCount,
+    isInstallmentPayMode,
+    isPayModeValidForSampleCount,
+    resolvePaymentPreset,
+    type PayMode as PresetPayMode
+  } from '@/utils/protocol-payment-presets'
   import {
     applyFqParamsChange,
     evaluateFqParamsChange,
@@ -1019,6 +1001,21 @@
   /** 上次确认生效的缴费模式（用于切换取消/拦截时回滚） */
   const lastConfirmedPayMode = ref<PayMode>('dj')
 
+  const activeSampleCount = computed(() => getActiveSampleCount(formData.samples))
+
+  const payModeOptions = computed(() => {
+    const modes = [...availablePayModes(activeSampleCount.value)]
+    const current = String(formData.payMode || '') as PresetPayMode
+    if (current && !modes.includes(current)) {
+      modes.push(current)
+    }
+    return modes.map((value) => ({ value, label: payModeLabel(value) }))
+  })
+
+  function hasLockedPaymentDetails() {
+    return formData.paymentDetails.some((d) => isPayDetailLocked(d))
+  }
+
   /** 上次确认生效的分期参数（用于编辑时修改期数/间隔/开始时间回滚） */
   const lastConfirmedFqParams = ref<FqParams>({
     installmentCount: null,
@@ -1357,6 +1354,9 @@
 
   function scrollToSection(key: string) {
     activeFormTab.value = key
+    if (key === 'payment') {
+      maybeApplyPaymentPresetOnTabEnter()
+    }
     const el = document.getElementById(`form-section-${key}`)
     if (el) {
       el.scrollIntoView({ behavior: 'smooth', block: 'start' })
@@ -1386,6 +1386,13 @@
     }
   }
 
+  function removePaymentDetail(dIdx: number) {
+    const detail = formData.paymentDetails[dIdx]
+    if (detail && isPayDetailLocked(detail)) return
+    formData.paymentDetails.splice(dIdx, 1)
+    syncContractAmountFromPaymentDetails()
+  }
+
   function addPaymentDetail() {
     if (!canAddPaymentDetail(formData.payMode, formData.paymentDetails)) return
     const now = new Date()
@@ -1446,8 +1453,13 @@
    */
   function applyFqPaymentDefaults(options?: { resetCountInterval?: boolean }) {
     const reset = options?.resetCountInterval ?? false
+    const sampleCount = getActiveSampleCount(formData.samples)
+    const preset = resolvePaymentPreset(sampleCount, formData.payMode as PresetPayMode)
+    if (preset?.contractAmount != null) {
+      formData.contractAmount = preset.contractAmount
+    }
     if (reset || isFqNumericFieldEmpty(formData.installmentCount)) {
-      formData.installmentCount = 6
+      formData.installmentCount = preset?.installmentCount ?? 6
     }
     if (reset || isFqNumericFieldEmpty(formData.installmentIntervalMonths)) {
       formData.installmentIntervalMonths = 6
@@ -1459,11 +1471,58 @@
       formData.installmentAdvanceDays = DEFAULT_INSTALLMENT_ADVANCE_DAYS
     }
     const count = toIntOrUndefined(formData.installmentCount) || 6
-    formData.installmentRatios = normalizeInstallmentAmounts(
-      formData.installmentRatios || [],
-      formData.contractAmount,
-      count
-    )
+    if (preset?.installmentAmounts?.length) {
+      formData.installmentRatios = [...preset.installmentAmounts]
+    } else {
+      formData.installmentRatios = normalizeInstallmentAmounts(
+        formData.installmentRatios || [],
+        formData.contractAmount,
+        count
+      )
+    }
+  }
+
+  function applyPaymentPresetForMode(payMode: PresetPayMode) {
+    const sampleCount = getActiveSampleCount(formData.samples)
+    const preset = resolvePaymentPreset(sampleCount, payMode)
+    if (!preset) return
+    formData.contractAmount = preset.contractAmount
+    if (isInstallmentPayMode(payMode) && preset.installmentCount) {
+      formData.installmentCount = preset.installmentCount
+      if (isFqNumericFieldEmpty(formData.installmentIntervalMonths)) {
+        formData.installmentIntervalMonths = 6
+      }
+      if (!formData.installmentStartDate) {
+        formData.installmentStartDate = defaultInstallmentStartDateYmd()
+      }
+      if (formData.installmentAdvanceDays == null) {
+        formData.installmentAdvanceDays = DEFAULT_INSTALLMENT_ADVANCE_DAYS
+      }
+      formData.installmentRatios = [...(preset.installmentAmounts || [])]
+      formData.paymentDetails = generateInitialFqDetails(
+        getFqParamsFromForm(),
+        preset.contractAmount
+      )
+      initPaymentDetailExpandFlags(formData.paymentDetails)
+      markPayDetailLocks(formData.paymentDetails)
+      syncLastConfirmedFqParams()
+    } else {
+      formData.paymentDetails = [
+        createPaymentDetailRow({
+          dueAmount: preset.contractAmount,
+          installmentDueDate: formData.lumpSumDeadline || '',
+          expanded: true
+        })
+      ]
+      initPaymentDetailExpandFlags(formData.paymentDetails)
+      markPayDetailLocks(formData.paymentDetails)
+    }
+  }
+
+  function maybeApplyPaymentPresetOnTabEnter() {
+    if (hasLockedPaymentDetails()) return
+    if (formData.paymentDetails.length > 0) return
+    applyPaymentPresetForMode(formData.payMode as PresetPayMode)
   }
 
   function toIntOrUndefined(val: unknown): number | undefined {
@@ -1529,7 +1588,7 @@
    * 与缴费模式切换独立；保留 yjf 已缴行，作废原 dfj 后按剩余金额重建。
    */
   async function handleFqParamsChange() {
-    if (formData.payMode !== 'fq') return
+    if (formData.payMode !== 'fq' && formData.payMode !== 'djfq') return
 
     const newParams = getFqParamsFromForm()
     const oldParams = lastConfirmedFqParams.value
@@ -1625,25 +1684,35 @@
       }
     }
 
-    if (toMode === 'fq') {
-      applyFqPaymentDefaults({ resetCountInterval: false })
+    if (!hasLockedPaymentDetails()) {
+      applyPaymentPresetForMode(toMode as PresetPayMode)
+    } else {
+      if (isInstallmentPayMode(toMode)) {
+        applyFqPaymentDefaults({ resetCountInterval: fromMode === 'dj' })
+      }
+      formData.paymentDetails = applyPayModeSwitch(
+        fromMode,
+        toMode,
+        formData.paymentDetails,
+        payModeSwitchContext()
+      )
+      initPaymentDetailExpandFlags(formData.paymentDetails)
+      markPayDetailLocks(formData.paymentDetails)
+      const preset = resolvePaymentPreset(
+        getActiveSampleCount(formData.samples),
+        toMode as PresetPayMode
+      )
+      if (preset?.contractAmount != null) {
+        formData.contractAmount = preset.contractAmount
+      }
     }
 
-    formData.paymentDetails = applyPayModeSwitch(
-      fromMode,
-      toMode,
-      formData.paymentDetails,
-      payModeSwitchContext()
-    )
-    initPaymentDetailExpandFlags(formData.paymentDetails)
-    markPayDetailLocks(formData.paymentDetails)
-
     if (toMode === 'dj') {
       syncLumpSumDueDate()
     }
 
     lastConfirmedPayMode.value = toMode
-    if (toMode === 'fq') {
+    if (isInstallmentPayMode(toMode)) {
       syncLastConfirmedFqParams()
     }
   }
@@ -1770,7 +1839,7 @@
       if (loadedAmounts.length) {
         formData.installmentRatios = loadedAmounts.map((v: unknown) => Number(v))
       }
-      if (formData.payMode === 'fq') {
+      if (isInstallmentPayMode(formData.payMode)) {
         applyFqPaymentDefaults()
         const count = toIntOrUndefined(formData.installmentCount) || 6
         formData.installmentRatios = normalizeInstallmentAmounts(
@@ -1793,7 +1862,9 @@
       markPayDetailLocks(formData.paymentDetails)
     }
     syncFqPaymentDetailRowCount(fqPaymentContext(), formData.paymentDetails)
-    lastConfirmedPayMode.value = (formData.payMode === 'fq' ? 'fq' : 'dj') as PayMode
+    lastConfirmedPayMode.value = (
+      ['fq', 'djfq'].includes(formData.payMode) ? formData.payMode : 'dj'
+    ) as PayMode
 
     const pa =
       (row as any).protocolAttachments || (bundle.protocol as any)?.protocolAttachments || ''
@@ -1880,16 +1951,16 @@
   async function handleSubmit() {
     if (!formRef.value) return
     await formRef.value.validate()
-    if (formData.payMode === 'fq') {
-      if (installmentAmountsError.value) {
-        await ElMessageBox.alert(installmentAmountsError.value, '分期金额无效', { type: 'warning' })
-        return
-      }
-      const amounts = (formData.installmentRatios || []).map((v) => Number(v || 0))
-      if (!isInstallmentAmountsValid(amounts, formData.contractAmount)) {
-        await ElMessageBox.alert('分期金额合计须等于合同金额', '分期金额无效', { type: 'warning' })
-        return
-      }
+    const sampleCount = getActiveSampleCount(formData.samples)
+    if (!isPayModeValidForSampleCount(formData.payMode as PresetPayMode, sampleCount)) {
+      await ElMessageBox.alert(
+        formData.payMode === 'djfq'
+          ? '「趸交+分期」仅适用于 2 个样本，请切换缴费模式'
+          : '当前缴费模式与样本数量不匹配，请切换缴费模式',
+        '无法保存',
+        { type: 'warning' }
+      )
+      return
     }
     if (!isEdit.value) {
       for (const sampleRow of formData.samples) {
@@ -1969,8 +2040,7 @@
           installmentIntervalMonths: toFloatOrUndefined(formData.installmentIntervalMonths),
           installmentStartDate: formData.installmentStartDate || undefined,
           installmentAdvanceDays: toIntOrUndefined(formData.installmentAdvanceDays),
-          installmentRatios:
-            formData.payMode === 'fq'
+          installmentRatios: isInstallmentPayMode(formData.payMode)
               ? (formData.installmentRatios || []).map((v) => Number(v || 0))
               : undefined
         },
@@ -2596,7 +2666,7 @@
     formData.payMode = parsed.payMode || 'dj'
     lastConfirmedPayMode.value = formData.payMode as PayMode
 
-    if (parsed.payMode === 'fq') {
+    if (isInstallmentPayMode(parsed.payMode || 'dj')) {
       applyFqPaymentDefaults()
     }
 
@@ -3111,38 +3181,32 @@
     handleFqParamsChange()
   }
 
-  function onInstallmentAmountChange(_changedIdx: number) {
-    syncPaymentDueAmounts()
-    handleFqParamsChange()
+  /** 缴费明细应缴金额之和回写合同金额 */
+  function syncContractAmountFromPaymentDetails() {
+    if (!formData.paymentDetails.length) return
+    const total = formData.paymentDetails.reduce(
+      (sum, d) => sum + (Number(d.dueAmount) || 0),
+      0
+    )
+    formData.contractAmount = Math.round(total * 100) / 100
   }
 
-  /** 缴费明细应缴金额变更：分期模式下回写分期金额，保持与主表一致 */
+  /** 缴费明细应缴金额变更：分期回写 installmentRatios，并同步合同金额 */
   function onPaymentDetailDueAmountChange(dIdx: number) {
-    if (formData.payMode !== 'fq') return
     const detail = formData.paymentDetails[dIdx]
     if (!detail || isPayDetailLocked(detail)) return
-    const installmentNo = Number(detail.installmentNo)
-    const ratioIdx = installmentNo >= 1 ? installmentNo - 1 : dIdx
-    if (!formData.installmentRatios) formData.installmentRatios = []
-    while (formData.installmentRatios.length <= ratioIdx) {
-      formData.installmentRatios.push(0)
+    if (formData.payMode === 'fq' || formData.payMode === 'djfq') {
+      const installmentNo = Number(detail.installmentNo)
+      const ratioIdx = installmentNo >= 1 ? installmentNo - 1 : dIdx
+      if (!formData.installmentRatios) formData.installmentRatios = []
+      while (formData.installmentRatios.length <= ratioIdx) {
+        formData.installmentRatios.push(0)
+      }
+      formData.installmentRatios[ratioIdx] = Number(detail.dueAmount) || 0
     }
-    formData.installmentRatios[ratioIdx] = Number(detail.dueAmount) || 0
+    syncContractAmountFromPaymentDetails()
   }
 
-  const installmentAmountsError = computed(() => {
-    const amounts = formData.installmentRatios || []
-    if (!amounts.length || formData.contractAmount == null) return ''
-    if (amounts.some((v) => Number(v) < 0)) return '分期金额不能为负数'
-    const sum = sumInstallmentAmounts(amounts)
-    if (Math.abs(sum - Number(formData.contractAmount)) > 0.01) {
-      return `分期金额合计须等于合同金额（${fmtMoney(formData.contractAmount)}）`
-    }
-    return ''
-  })
-
-  const installmentAmountsSum = computed(() => sumInstallmentAmounts(formData.installmentRatios || []))
-
   /** 按缴费模式同步各明细应缴费金额（跳过已锁定明细） */
   function syncPaymentDueAmounts() {
     const contract = formData.contractAmount
@@ -3159,14 +3223,14 @@
       })
       return
     }
-    if (formData.payMode === 'fq') {
-      const count = formData.installmentCount || formData.paymentDetails.length
+    if (formData.payMode === 'fq' || formData.payMode === 'djfq') {
+      const count = Number(formData.installmentCount || formData.paymentDetails.length)
       if (!count) return
-      const amounts = normalizeInstallmentAmounts(
-        formData.installmentRatios || [],
-        contract,
-        Number(count)
-      )
+      const ratios = formData.installmentRatios || []
+      const amounts =
+        ratios.length === count
+          ? ratios.map((v) => Number(v || 0))
+          : normalizeInstallmentAmounts(ratios, null, count)
       const paidRows = formData.paymentDetails.filter((d) => String(d.payStatus) === 'yjf')
       paidRows.forEach((d) => {
         const no = Number(d.installmentNo)
@@ -3179,37 +3243,16 @@
     }
   }
 
-  /** 合同金额手动变更：等比缩放分期金额并同步应缴费金额 */
+  /** 合同金额手动变更：趸交时同步待缴明细应缴金额 */
   function onContractAmountChange() {
-    if (formData.payMode === 'fq' && (formData.installmentRatios || []).length) {
-      formData.installmentRatios = scaleInstallmentAmountsToContract(
-        formData.installmentRatios,
-        formData.contractAmount
-      )
+    if (formData.payMode === 'dj') {
+      syncPaymentDueAmounts()
     }
-    syncPaymentDueAmounts()
   }
 
-  /** 根据非作废样本价格之和同步合同金额，并联动应缴费金额 */
-  function syncContractAmount() {
-    const total = formData.samples.reduce((sum, s) => {
-      if (s.sampleStatus === 'yzf') return sum
-      return sum + (Number(s.price) || 0)
-    }, 0)
-    const nextContract = Math.round(total * 100) / 100
-    if (formData.payMode === 'fq' && (formData.installmentRatios || []).length) {
-      formData.installmentRatios = scaleInstallmentAmountsToContract(
-        formData.installmentRatios,
-        nextContract
-      )
-    }
-    formData.contractAmount = nextContract
-    syncPaymentDueAmounts()
-  }
-
-  /** 样本价格或状态变更 */
+  /** 样本价格或状态变更（不自动改合同金额） */
   function onSamplePriceChange() {
-    syncContractAmount()
+    // 保留样本价格字段，不与合同金额联动
   }
 
   /* ====== 母亲身份证号 ↔ 出生年月联动 ====== */
@@ -3232,6 +3275,22 @@
     () => calcBirthFromIdCard()
   )
 
+  /** 样本数变化时按当前缴费模式刷新默认定价（新增单；无已缴锁定明细时整单重填） */
+  watch(activeSampleCount, () => {
+    if (isEdit.value) return
+    if (hasLockedPaymentDetails()) {
+      const preset = resolvePaymentPreset(
+        getActiveSampleCount(formData.samples),
+        formData.payMode as PresetPayMode
+      )
+      if (preset?.contractAmount != null) {
+        formData.contractAmount = preset.contractAmount
+      }
+      return
+    }
+    applyPaymentPresetForMode(formData.payMode as PresetPayMode)
+  })
+
   /* ====== 趸交截止时间联动 ====== */
   watch(
     () => formData.lumpSumDeadline,