app/Http/Controllers/Business/FinanceLedger.php

@@ -386,11 +386,10 @@ class FinanceLedger extends Controller
         abort_if($accountShort === '', 422, '账户简称不能为空。');
 
         $connection = DB::connection((string) config('upstream_mirrors.connection', 'business_mirror'));
-        abort_unless(
-            $connection->table('fin_accounts')->where('account_short', $accountShort)->exists(),
-            422,
-            '账户简称不存在，请刷新账户总表后重试。',
-        );
+        $account = $connection->table('fin_accounts')
+            ->where('account_short', $accountShort)
+            ->first(['account_no', 'account_last4']);
+        abort_if($account === null, 422, '账户简称不存在，请刷新账户总表后重试。');
 
         if ($accountType !== '') {
             $allowedTypes = FinanceLedgerAccountType::options(
@@ -412,21 +411,36 @@ class FinanceLedger extends Controller
             'updated_by' => (string) user()->name,
             'updated_at' => $now,
         ];
+        $accountLast4 = FinanceLedgerAccountType::last4(
+            $accountType,
+            (string) ($account->account_no ?? ''),
+            (string) ($account->account_last4 ?? ''),
+        );
 
-        if ($existing === null) {
-            $overrides->insert($values + [
-                'account_short' => $accountShort,
-                'created_at' => $now,
-            ]);
-        } else {
-            $overrides->where('account_short', $accountShort)->update($values);
-        }
+        $connection->transaction(function () use ($connection, $overrides, $existing, $values, $accountShort, $now, $accountLast4): void {
+            if ($existing === null) {
+                $overrides->insert($values + [
+                    'account_short' => $accountShort,
+                    'created_at' => $now,
+                ]);
+            } else {
+                $overrides->where('account_short', $accountShort)->update($values);
+            }
+
+            $connection->table('fin_accounts')
+                ->where('account_short', $accountShort)
+                ->update([
+                    'account_last4' => $accountLast4,
+                    'updated_at' => $now,
+                ]);
+        });
 
         return response()->json([
             'ok' => true,
             'account_short' => $accountShort,
             'account_type' => $accountType,
             'label' => $accountType !== '' ? $accountType : '未填写',
+            'account_last4' => $accountLast4,
         ], 200, ['Cache-Control' => 'private, no-store']);
     }
 

app/Utilities/FinanceLedgerAccountType.php

@@ -4,10 +4,14 @@ namespace App\Utilities;
 
 final class FinanceLedgerAccountType
 {
+    public const ALIPAY = '支付宝';
+
+    public const BANK_ACCOUNT_TYPES = ['公户', '个人卡', '网商银行'];
+
     public const DEFAULT_OPTIONS = [
         '个人卡',
         '公户',
-        '支付宝',
+        self::ALIPAY,
         '网商银行',
     ];
 
@@ -28,4 +32,23 @@ final class FinanceLedgerAccountType
 
         return $types;
     }
+
+    public static function last4(?string $accountType, ?string $accountNo, ?string $fallback = null): string
+    {
+        $type = trim((string) $accountType);
+        if ($type === self::ALIPAY) {
+            return '/';
+        }
+
+        if (in_array($type, self::BANK_ACCOUNT_TYPES, true)) {
+            $digits = preg_replace('/\D+/', '', (string) $accountNo);
+            if (strlen((string) $digits) >= 4) {
+                return substr((string) $digits, -4);
+            }
+        }
+
+        $fallback = trim((string) $fallback);
+
+        return $fallback !== '' ? $fallback : '/';
+    }
 }

modules/EcommerceFinance/Services/FinanceLedgerBaseImporter.php

@@ -3,6 +3,7 @@
 namespace Modules\EcommerceFinance\Services;
 
 use App\Utilities\FinanceLedgerAccountShouldKeep;
+use App\Utilities\FinanceLedgerAccountType;
 use Illuminate\Support\Facades\DB;
 use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
 use PhpOffice\PhpSpreadsheet\IOFactory;
@@ -12,8 +13,8 @@ use RuntimeException;
 /**
  * 导入财务台账的基础数据：账户、店铺、公司和期初余额。
  *
- * 源文件是财务维护的《银行当前余额-*.xlsx》。这里只做结构校验和全量
- * 覆盖，不推断业务口径；导入完成后由 FinanceLedgerCalculator 重算流水。
+ * 源文件是财务维护的《银行当前余额-*.xlsx》。这里只做结构校验、后4位
+ * 规范化和全量覆盖，不推断其他业务口径；导入完成后由计算器重算流水。
  */
 class FinanceLedgerBaseImporter
 {
@@ -121,19 +122,25 @@ class FinanceLedgerBaseImporter
             }
 
             $keepIndex = $headerIndexes['账户是否保留'] ?? null;
+            $accountNo = $this->text($value('账号', 2));
+            $accountType = $this->text($value('账户类型', 5));
             $rows[] = [
                 'company_name' => $company,
                 'account_short' => $short,
                 'region' => null,
-                'account_no' => $this->text($value('账号', 2)),
+                'account_no' => $accountNo,
                 'bank_name' => $this->text($value('开户行', 3)),
                 'bank_city_branch' => $this->text($value('开户城市/网点', 4)),
-                'account_type' => $this->text($value('账户类型', 5)),
+                'account_type' => $accountType,
                 'company_plan' => $this->text($value('公司规划', 6)),
                 'account_should_keep' => FinanceLedgerAccountShouldKeep::normalize(
                     $keepIndex === null ? null : $this->text($row[$keepIndex] ?? null),
                 ),
-                'account_last4' => $this->text($value('后4位', 7)),
+                'account_last4' => FinanceLedgerAccountType::last4(
+                    $accountType,
+                    $accountNo,
+                    $this->text($value('后4位', 7)),
+                ),
                 'single_limit' => $this->text($value('单笔限额', 8)),
                 'daily_limit' => $this->text($value('日限额', 9)),
                 'monthly_limit' => $this->text($value('月限额', 10)),

resources/views/business/pages/financial-ledger/ledger.blade.php

@@ -323,7 +323,7 @@
                                 </select>
                             @endif
                         </td>
-                        <td>{{ $row->account_last4 }}</td><td class="center" title="{{ $moneyYuanTitle($row->single_limit) }}">{{ $moneyWan($row->single_limit) }}</td><td class="center" title="{{ $moneyYuanTitle($row->daily_limit) }}">{{ $moneyWan($row->daily_limit) }}</td><td class="center" title="{{ $moneyYuanTitle($row->monthly_limit) }}">{{ $moneyWan($row->monthly_limit) }}</td><td class="center" title="{{ $moneyYuanTitle($row->yearly_limit) }}">{{ $moneyWan($row->yearly_limit) }}</td><td class="num" data-account-current-balance="{{ (float) $row->current_balance }}" title="{{ $moneyYuanTitle($row->current_balance) }}">{{ $moneyWan($row->current_balance) }}</td><td class="num" data-account-available-amount title="{{ $moneyYuanTitle($row->daily_available) }}">{{ $moneyWan($row->daily_available) }}</td><td class="num" data-account-blocked-amount title="{{ $moneyYuanTitle($row->blocked_amount) }}">{{ $moneyWan($row->blocked_amount) }}</td><td class="num" data-account-daily-available-amount title="{{ $moneyYuanTitle($row->daily_available) }}">{{ $moneyWan($row->daily_available) }}</td><td class="num">{{ $row->clearing_days !== null ? number_format((float) $row->clearing_days, 2) : '' }}</td><td title="{{ $moneyYuanTitle($row->raise_target) }}">{{ $moneyWan($row->raise_target) }}</td><td>{{ $row->raise_status }}</td><td>{{ $row->raise_actions }}</td><td>{{ $row->done_actions }}</td><td>{{ $row->next_action }}</td><td>{{ $row->remark }}</td><td>{{ $row->owner }}</td>
+                        <td class="center" data-account-last4>{{ $row->account_last4 }}</td><td class="center" title="{{ $moneyYuanTitle($row->single_limit) }}">{{ $moneyWan($row->single_limit) }}</td><td class="center" title="{{ $moneyYuanTitle($row->daily_limit) }}">{{ $moneyWan($row->daily_limit) }}</td><td class="center" title="{{ $moneyYuanTitle($row->monthly_limit) }}">{{ $moneyWan($row->monthly_limit) }}</td><td class="center" title="{{ $moneyYuanTitle($row->yearly_limit) }}">{{ $moneyWan($row->yearly_limit) }}</td><td class="num" data-account-current-balance="{{ (float) $row->current_balance }}" title="{{ $moneyYuanTitle($row->current_balance) }}">{{ $moneyWan($row->current_balance) }}</td><td class="num" data-account-available-amount title="{{ $moneyYuanTitle($row->daily_available) }}">{{ $moneyWan($row->daily_available) }}</td><td class="num" data-account-blocked-amount title="{{ $moneyYuanTitle($row->blocked_amount) }}">{{ $moneyWan($row->blocked_amount) }}</td><td class="num" data-account-daily-available-amount title="{{ $moneyYuanTitle($row->daily_available) }}">{{ $moneyWan($row->daily_available) }}</td><td class="num">{{ $row->clearing_days !== null ? number_format((float) $row->clearing_days, 2) : '' }}</td><td title="{{ $moneyYuanTitle($row->raise_target) }}">{{ $moneyWan($row->raise_target) }}</td><td>{{ $row->raise_status }}</td><td>{{ $row->raise_actions }}</td><td>{{ $row->done_actions }}</td><td>{{ $row->next_action }}</td><td>{{ $row->remark }}</td><td>{{ $row->owner }}</td>
                     </tr>
                 @empty
                     <tr><td colspan="27"><div class="ledger-empty">没有匹配的账户数据。</div></td></tr>
@@ -1001,6 +1001,10 @@
                             item.closest('td')?.setAttribute('data-account-should-keep', value);
                         }
                     });
+                    if (field === 'account_type') {
+                        const last4Cell = select.closest('tr')?.querySelector('[data-account-last4]');
+                        if (last4Cell) last4Cell.textContent = payload.account_last4 || '/';
+                    }
                     if (field === 'status') {
                         const row = select.closest('tr');
                         const currentCell = row?.querySelector('[data-account-current-balance]');

tests/Feature/Business/FinanceLedgerAccountStatusTest.php

@@ -610,6 +610,42 @@ class FinanceLedgerAccountStatusTest extends FeatureTestCase
         ])->assertUnprocessable()->assertJsonPath('message', '请选择现有账户类型。');
     }
 
+    public function test_account_type_change_derives_last4_and_alipay_uses_slash(): void
+    {
+        DB::connection('business_mirror')->table('fin_accounts')
+            ->where('account_short', '测试账户')
+            ->update([
+                'account_no' => '6222-1234 5678',
+                'account_last4' => '0000',
+            ]);
+
+        $this->loginAs()->postJson($this->typeUrl(), [
+            'account_short' => '测试账户',
+            'account_type' => '网商银行',
+        ])
+            ->assertOk()
+            ->assertJsonPath('account_last4', '5678');
+        $this->assertDatabaseHas('fin_accounts', [
+            'account_short' => '测试账户',
+            'account_last4' => '5678',
+        ], 'business_mirror');
+
+        $this->loginAs()->postJson($this->typeUrl(), [
+            'account_short' => '测试账户',
+            'account_type' => '支付宝',
+        ])
+            ->assertOk()
+            ->assertJsonPath('account_last4', '/');
+        $this->assertDatabaseHas('fin_accounts', [
+            'account_short' => '测试账户',
+            'account_last4' => '/',
+        ], 'business_mirror');
+
+        $this->loginAs()->get($this->pageUrl())
+            ->assertOk()
+            ->assertSee('<td class="center" data-account-last4>/</td>', false);
+    }
+
     public function test_account_status_can_be_saved_and_updated_without_duplicate_rows(): void
     {
         $payload = [

tests/Unit/FinanceLedgerAccountTypeTest.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\Utilities\FinanceLedgerAccountType;
+use PHPUnit\Framework\TestCase;
+
+class FinanceLedgerAccountTypeTest extends TestCase
+{
+    public function test_bank_account_types_use_the_last_four_digits_of_the_account_number(): void
+    {
+        foreach (FinanceLedgerAccountType::BANK_ACCOUNT_TYPES as $type) {
+            $this->assertSame('5678', FinanceLedgerAccountType::last4($type, '6222-1234 5678', '0000'));
+        }
+    }
+
+    public function test_alipay_always_uses_a_slash(): void
+    {
+        $this->assertSame('/', FinanceLedgerAccountType::last4('支付宝', 'alipay@example.com', '1234'));
+    }
+
+    public function test_other_types_keep_the_fallback_when_no_bank_last_four_can_be_derived(): void
+    {
+        $this->assertSame('1234', FinanceLedgerAccountType::last4('其他', 'alipay@example.com', '1234'));
+        $this->assertSame('/', FinanceLedgerAccountType::last4('公户', '123', ''));
+    }
+}