check-mysql-connection.sh

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+#!/bin/bash
+
+# MySQL 连接测试脚本
+
+echo "======================================"
+echo "MySQL 连接测试"
+echo "======================================"
+
+MYSQL_HOST="101.132.182.216"
+MYSQL_PORT="3306"
+MYSQL_USER="root"
+MYSQL_DB="petwash"
+
+echo "测试主机: $MYSQL_HOST"
+echo "测试端口: $MYSQL_PORT"
+echo ""
+
+# 测试网络连通性
+echo "1. 测试网络连通性..."
+if ping -c 3 $MYSQL_HOST > /dev/null 2>&1; then
+    echo "✓ 网络连通正常"
+else
+    echo "✗ 网络不通，请检查网络配置"
+    exit 1
+fi
+
+# 测试端口
+echo ""
+echo "2. 测试 MySQL 端口..."
+if nc -zv $MYSQL_HOST $MYSQL_PORT 2>&1 | grep -q "succeeded"; then
+    echo "✓ MySQL 端口可访问"
+else
+    echo "✗ MySQL 端口不可访问，请检查防火墙"
+    exit 1
+fi
+
+# 测试 MySQL 连接
+echo ""
+echo "3. 测试 MySQL 连接..."
+echo "请输入 MySQL 密码（如果为空直接按回车）:"
+if mysql -h $MYSQL_HOST -P $MYSQL_PORT -u $MYSQL_USER -p -e "SELECT 1" > /dev/null 2>&1; then
+    echo "✓ MySQL 连接成功"
+else
+    echo "✗ MySQL 连接失败，请检查用户名和密码"
+    exit 1
+fi
+
+# 检查数据库
+echo ""
+echo "4. 检查数据库..."
+if mysql -h $MYSQL_HOST -P $MYSQL_PORT -u $MYSQL_USER -p -e "USE $MYSQL_DB; SELECT 1" > /dev/null 2>&1; then
+    echo "✓ 数据库 $MYSQL_DB 存在"
+else
+    echo "✗ 数据库 $MYSQL_DB 不存在，请先创建数据库"
+    echo "运行: mysql -h $MYSQL_HOST -P $MYSQL_PORT -u $MYSQL_USER -p < init-database.sql"
+    exit 1
+fi
+
+echo ""
+echo "======================================"
+echo "✓ 所有测试通过！"
+echo "======================================"