更新政府端和银行端

bank-backend/utils/logger.js

@@ -0,0 +1,74 @@
+/**
+ * 日志工具
+ * @file logger.js
+ * @description 系统日志管理
+ */
+const winston = require('winston');
+const path = require('path');
+
+// 创建日志目录
+const logDir = 'logs';
+
+// 定义日志格式
+const logFormat = winston.format.combine(
+  winston.format.timestamp({
+    format: 'YYYY-MM-DD HH:mm:ss'
+  }),
+  winston.format.errors({ stack: true }),
+  winston.format.json(),
+  winston.format.printf(({ timestamp, level, message, stack, ...meta }) => {
+    let log = `${timestamp} [${level.toUpperCase()}]: ${message}`;
+    
+    if (stack) {
+      log += `\n${stack}`;
+    }
+    
+    if (Object.keys(meta).length > 0) {
+      log += `\n${JSON.stringify(meta, null, 2)}`;
+    }
+    
+    return log;
+  })
+);
+
+// 创建logger实例
+const logger = winston.createLogger({
+  level: process.env.LOG_LEVEL || 'info',
+  format: logFormat,
+  defaultMeta: { service: 'bank-backend' },
+  transports: [
+    // 错误日志文件
+    new winston.transports.File({
+      filename: path.join(logDir, 'error.log'),
+      level: 'error',
+      maxsize: 5242880, // 5MB
+      maxFiles: 5
+    }),
+    
+    // 所有日志文件
+    new winston.transports.File({
+      filename: path.join(logDir, 'combined.log'),
+      maxsize: 5242880, // 5MB
+      maxFiles: 5
+    })
+  ]
+});
+
+// 开发环境添加控制台输出
+if (process.env.NODE_ENV !== 'production') {
+  logger.add(new winston.transports.Console({
+    format: winston.format.combine(
+      winston.format.colorize(),
+      winston.format.simple()
+    )
+  }));
+}
+
+// 创建流对象用于HTTP请求日志
+logger.stream = {
+  write: (message) => {
+    logger.info(message.trim());
+  }
+};
+
+module.exports = logger;