Initial commit: lottery project structure

Add core project files including:
- Client and server directories
- Backup script
- Package configuration
- Git ignore rules

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backup.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# 彩票项目定时备份脚本
+# 备份时间: 每天 4:10
+
+# 配置
+SOURCE_DIR="/opt/lottery"
+BACKUP_ROOT="/opt/backup/data"
+PROJECT_NAME="lottery"
+
+# 获取当前日期
+DATE=$(date +%Y%m%d)
+BACKUP_DIR="${BACKUP_ROOT}/${DATE}/${PROJECT_NAME}"
+
+# 日志
+LOG_FILE="/var/log/backup_lottery.log"
+
+# 记录日志
+log() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
+}
+
+# 开始备份
+log "========== 开始备份 =========="
+
+# 创建备份目录
+mkdir -p "$BACKUP_DIR"
+
+# 备份项目源代码 (排除 node_modules 和 .git)
+log "备份项目源代码..."
+rsync -a --exclude='node_modules' --exclude='.git' --exclude='*.log' \
+    "$SOURCE_DIR/" "$BACKUP_DIR/source/" 2>&1 | tee -a "$LOG_FILE"
+
+if [ $? -eq 0 ]; then
+    log "源代码备份完成"
+else
+    log "警告: 源代码备份出现问题"
+fi
+
+# 备份数据库
+log "备份数据库..."
+if [ -f "$SOURCE_DIR/server/db/lottery.db" ]; then
+    mkdir -p "$BACKUP_DIR/db"
+    cp "$SOURCE_DIR/server/db/lottery.db" "$BACKUP_DIR/db/"
+    log "数据库备份完成"
+else
+    log "警告: 数据库文件不存在"
+fi
+
+# 备份上传文件
+log "备份上传文件..."
+if [ -d "$SOURCE_DIR/server/uploads" ]; then
+    mkdir -p "$BACKUP_DIR/uploads"
+    cp -r "$SOURCE_DIR/server/uploads/"* "$BACKUP_DIR/uploads/" 2>/dev/null
+    log "上传文件备份完成"
+else
+    log "警告: 上传目录不存在"
+fi
+
+# 清理旧备份 (保留最近 30 天)
+log "清理 30 天前的旧备份..."
+find "$BACKUP_ROOT" -type d -mtime +30 -exec rm -rf {} \; 2>/dev/null
+
+log "========== 备份完成 =========="
+log ""
+
+# 输出备份目录大小
+du -sh "$BACKUP_DIR" | tee -a "$LOG_FILE"