Initial commit: 金牛集团贷款档案管理系统

导入现有代码与文档，排除 data/uploads 运行时数据。
2026-08-29 11:52:22 +08:00
commit 97fea48393
14 changed files with 5478 additions and 0 deletions
@@ -0,0 +1,110 @@
+<?php
+declare(strict_types=1);
+
+require_once __DIR__ . '/config.php';
+
+function db(): PDO
+{
+    static $pdo = null;
+    if ($pdo instanceof PDO) {
+        return $pdo;
+    }
+
+    $pdo = new PDO('sqlite:' . DB_PATH);
+    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+    $pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
+    $pdo->exec('PRAGMA foreign_keys = ON');
+
+    initSchema($pdo);
+    seedAdmin($pdo);
+    return $pdo;
+}
+
+function initSchema(PDO $pdo): void
+{
+    $pdo->exec("
+        CREATE TABLE IF NOT EXISTS users (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            username TEXT UNIQUE NOT NULL,
+            password_hash TEXT NOT NULL,
+            role TEXT NOT NULL CHECK(role IN ('admin','user')),
+            created_at TEXT NOT NULL
+        );
+    ");
+
+    $pdo->exec("
+        CREATE TABLE IF NOT EXISTS directories (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL,
+            parent_id INTEGER NULL,
+            level INTEGER NOT NULL CHECK(level BETWEEN 1 AND 3),
+            created_at TEXT NOT NULL,
+            FOREIGN KEY(parent_id) REFERENCES directories(id) ON DELETE CASCADE
+        );
+    ");
+
+    $pdo->exec("
+        CREATE TABLE IF NOT EXISTS archives (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL,
+            directory_id INTEGER NOT NULL,
+            loan_institution TEXT,
+            borrower TEXT,
+            credit_limit REAL,
+            remaining_limit REAL,
+            start_date TEXT,
+            end_date TEXT,
+            annual_rate REAL,
+            guarantee_type TEXT,
+            guarantor TEXT,
+            archive_kind TEXT NOT NULL DEFAULT 'bank_loan',
+            created_at TEXT NOT NULL,
+            updated_at TEXT NOT NULL,
+            FOREIGN KEY(directory_id) REFERENCES directories(id) ON DELETE CASCADE
+        );
+    ");
+
+    $hasArchiveKind = false;
+    foreach ($pdo->query('PRAGMA table_info(archives)')->fetchAll(PDO::FETCH_ASSOC) as $col) {
+        if (($col['name'] ?? '') === 'archive_kind') {
+            $hasArchiveKind = true;
+            break;
+        }
+    }
+    if (!$hasArchiveKind) {
+        $pdo->exec("ALTER TABLE archives ADD COLUMN archive_kind TEXT NOT NULL DEFAULT 'bank_loan'");
+    }
+
+    $pdo->exec("
+        CREATE TABLE IF NOT EXISTS files (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            archive_id INTEGER NOT NULL,
+            original_name TEXT NOT NULL,
+            stored_name TEXT NOT NULL,
+            file_ext TEXT NOT NULL,
+            file_size INTEGER NOT NULL,
+            created_at TEXT NOT NULL,
+            FOREIGN KEY(archive_id) REFERENCES archives(id) ON DELETE CASCADE
+        );
+    ");
+
+    $pdo->exec("CREATE INDEX IF NOT EXISTS idx_archives_end_date ON archives(end_date)");
+    $pdo->exec("CREATE INDEX IF NOT EXISTS idx_archives_loan_inst ON archives(loan_institution)");
+    $pdo->exec("CREATE INDEX IF NOT EXISTS idx_archives_borrower ON archives(borrower)");
+}
+
+function seedAdmin(PDO $pdo): void
+{
+    $stmt = $pdo->prepare('SELECT COUNT(*) FROM users WHERE username = :username');
+    $stmt->execute([':username' => 'admin']);
+    if ((int)$stmt->fetchColumn() > 0) {
+        return;
+    }
+    $stmt = $pdo->prepare('INSERT INTO users(username,password_hash,role,created_at) VALUES(:u,:p,:r,:c)');
+    $stmt->execute([
+        ':u' => 'admin',
+        ':p' => password_hash('jinniu123', PASSWORD_DEFAULT),
+        ':r' => 'admin',
+        ':c' => date('Y-m-d H:i:s'),
+    ]);
+}