鍒濆鎻愪氦锛氱墰鍙暟鎹鐞嗙郴缁?- 鍖呭惈鍚庣Spring Boot鍜屽墠绔疺ue3椤圭洰

backend/check_connection.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+
+# 检查服务连接性脚本
+
+PORT=12240
+SERVER_IP="119.45.30.82"
+
+echo "=== 检查服务连接性 ==="
+echo ""
+
+# 1. 检查服务是否在运行
+echo "1. 检查服务进程..."
+PID=$(ps aux | grep cattletends | grep -v grep | awk '{print $2}')
+if [ -n "$PID" ]; then
+    echo "   ✓ 服务正在运行，PID: $PID"
+else
+    echo "   ✗ 服务未运行"
+    exit 1
+fi
+
+echo ""
+
+# 2. 检查端口是否监听
+echo "2. 检查端口 $PORT 监听状态..."
+LISTENING=$(netstat -tlnp 2>/dev/null | grep ":$PORT " || ss -tlnp 2>/dev/null | grep ":$PORT ")
+if [ -n "$LISTENING" ]; then
+    echo "   ✓ 端口 $PORT 正在监听"
+    echo "   详细信息:"
+    echo "$LISTENING" | sed 's/^/   /'
+    
+    # 检查监听地址
+    if echo "$LISTENING" | grep -q "0.0.0.0:$PORT\|:::$PORT"; then
+        echo "   ✓ 服务监听在所有网络接口上（0.0.0.0），可以从外部访问"
+    elif echo "$LISTENING" | grep -q "127.0.0.1:$PORT\|localhost:$PORT"; then
+        echo "   ⚠ 服务只监听在 localhost，无法从外部访问"
+        echo "   需要修改配置监听 0.0.0.0"
+    fi
+else
+    echo "   ✗ 端口 $PORT 未监听"
+    exit 1
+fi
+
+echo ""
+
+# 3. 本地测试
+echo "3. 本地连接测试..."
+if curl -s -o /dev/null -w "%{http_code}" http://localhost:$PORT/api/cattle-data | grep -q "200\|404"; then
+    echo "   ✓ 本地连接成功"
+else
+    echo "   ✗ 本地连接失败"
+fi
+
+echo ""
+
+# 4. 检查防火墙
+echo "4. 检查防火墙状态..."
+if command -v firewall-cmd &> /dev/null; then
+    FIREWALL_STATUS=$(firewall-cmd --state 2>/dev/null)
+    if [ "$FIREWALL_STATUS" = "running" ]; then
+        echo "   ⚠ Firewalld 正在运行"
+        PORT_OPEN=$(firewall-cmd --query-port=$PORT/tcp 2>/dev/null)
+        if [ "$PORT_OPEN" = "yes" ]; then
+            echo "   ✓ 端口 $PORT 已在防火墙中开放"
+        else
+            echo "   ✗ 端口 $PORT 未在防火墙中开放"
+            echo ""
+            echo "   执行以下命令开放端口:"
+            echo "   firewall-cmd --add-port=$PORT/tcp --permanent"
+            echo "   firewall-cmd --reload"
+        fi
+    else
+        echo "   ℹ Firewalld 未运行或未安装"
+    fi
+fi
+
+echo ""
+
+# 5. 检查 iptables
+if command -v iptables &> /dev/null; then
+    IPTABLES_RULE=$(iptables -L INPUT -n | grep "$PORT" || iptables -L INPUT -n | grep "ACCEPT.*tcp")
+    if [ -n "$IPTABLES_RULE" ]; then
+        echo "   ℹ 检测到 iptables 规则"
+    fi
+fi
+
+echo ""
+
+# 6. 网络接口检查
+echo "5. 网络接口信息..."
+IP_ADDR=$(hostname -I | awk '{print $1}' 2>/dev/null || ip addr show | grep "inet " | grep -v "127.0.0.1" | head -1 | awk '{print $2}' | cut -d'/' -f1)
+if [ -n "$IP_ADDR" ]; then
+    echo "   服务器IP地址: $IP_ADDR"
+    if [ "$IP_ADDR" = "$SERVER_IP" ]; then
+        echo "   ✓ IP地址匹配"
+    else
+        echo "   ⚠ IP地址不匹配，请确认服务器IP是否正确"
+    fi
+fi
+
+echo ""
+echo "=== 检查完成 ==="
+echo ""
+echo "如果本地测试成功但外部无法访问，请检查："
+echo "1. 云服务器安全组是否开放 $PORT 端口"
+echo "2. 服务器防火墙是否开放 $PORT 端口"
+echo "3. 服务是否监听在 0.0.0.0 而不是 127.0.0.1"
+