274 lines
8.0 KiB
Bash
274 lines
8.0 KiB
Bash
#!/bin/bash
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# Docker 容器端口查看工具
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# 作者: 自动生成
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# 功能: 查看 Docker 容器的端口映射和网络信息
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set -e
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# 颜色定义
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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PURPLE='\033[0;35m'
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CYAN='\033[0;36m'
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NC='\033[0m' # No Color
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# 显示帮助信息
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show_help() {
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cat << EOF
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${GREEN}Docker 容器端口查看工具${NC}
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${YELLOW}使用方法:${NC}
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$0 [选项] [容器名称/ID]
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${YELLOW}选项:${NC}
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-a, --all 显示所有容器（包括停止的）
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-r, --running 只显示运行中的容器（默认）
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-l, --list 简洁列表模式
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-d, --detailed 详细模式（显示所有信息）
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-p, --port PORT 查找使用特定端口的容器
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-n, --network 显示网络信息
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-s, --stats 显示统计信息
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-h, --help 显示此帮助信息
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${YELLOW}示例:${NC}
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$0 # 显示运行中容器的端口
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$0 -a # 显示所有容器的端口
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$0 -l # 简洁列表
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$0 nginx # 查看特定容器
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$0 -p 80 # 查找使用80端口的容器
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$0 -n # 显示网络信息
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$0 -s # 显示统计信息
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${YELLOW}快捷键:${NC}
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Enter - 刷新显示
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Ctrl+C - 退出
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EOF
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}
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# 检查 Docker 是否可用
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check_docker() {
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if ! command -v docker &> /dev/null; then
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echo -e "${RED}错误: Docker 未安装或未在 PATH 中${NC}"
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exit 1
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fi
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if ! docker info &> /dev/null; then
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echo -e "${RED}错误: Docker 守护进程未运行或无权限${NC}"
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echo "请确保 Docker 正在运行，并且你有执行权限"
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exit 1
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fi
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}
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# 显示容器端口列表
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show_container_ports() {
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local container_filter=$1
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local show_all=$2
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local list_mode=$3
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local docker_cmd="docker ps --format \"table {{.Names}}\t{{.Image}}\t{{.Status}}\t{{.Ports}}\""
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if [ "$show_all" = "true" ]; then
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docker_cmd="docker ps -a --format \"table {{.Names}}\t{{.Image}}\t{{.Status}}\t{{.Ports}}\""
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fi
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if [ "$list_mode" = "true" ]; then
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docker_cmd="docker ps --format \"{{.Names}}\t{{.Ports}}\""
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fi
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if [ -n "$container_filter" ]; then
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echo -e "${CYAN}查找容器: $container_filter${NC}"
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eval "$docker_cmd" | grep -E "(NAMES|$container_filter)"
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else
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eval "$docker_cmd"
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fi
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}
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# 显示详细端口信息
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show_detailed_ports() {
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echo -e "${YELLOW}=== 详细端口信息 ===${NC}"
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# 获取所有运行中容器
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local containers=$(docker ps --format "{{.Names}}")
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for container in $containers; do
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echo -e "\n${GREEN}容器: $container${NC}"
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echo -e "${CYAN}端口映射:${NC}"
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docker port "$container"
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echo -e "${CYAN}网络设置:${NC}"
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docker inspect "$container" --format '{{range $p, $conf := .NetworkSettings.Ports}}{{$p}} -> {{(index $conf 0).HostPort}}
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{{end}}' | grep -v '^$'
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done
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}
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# 查找使用特定端口的容器
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find_port_usage() {
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local port=$1
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echo -e "${YELLOW}查找使用端口 $port 的容器...${NC}"
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# 方法1: 使用 docker ps 查找
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echo -e "${CYAN}方法1 - 通过端口映射查找:${NC}"
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docker ps --format "table {{.Names}}\t{{.Ports}}" | grep -E "0.0.0.0:$port|::$port|0.0.0.0:.*->.*:$port" || echo "未找到"
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# 方法2: 检查每个容器的端口映射
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echo -e "\n${CYAN}方法2 - 详细端口检查:${NC}"
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local containers=$(docker ps --format "{{.Names}}")
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local found=0
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for container in $containers; do
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local port_info=$(docker port "$container" | grep -E ":$port" || true)
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if [ -n "$port_info" ]; then
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echo -e "${GREEN}容器: $container${NC}"
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echo "$port_info"
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found=1
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fi
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done
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if [ $found -eq 0 ]; then
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echo "未找到使用端口 $port 的容器"
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fi
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# 方法3: 使用 netstat 检查主机端口
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echo -e "\n${CYAN}方法3 - 主机端口使用情况:${NC}"
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if command -v netstat &> /dev/null; then
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netstat -tulpn | grep ":$port " || echo "主机上未发现该端口监听"
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elif command -v ss &> /dev/null; then
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ss -tulpn | grep ":$port " || echo "主机上未发现该端口监听"
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else
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echo "无法检查主机端口使用情况（netstat/ss 不可用）"
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fi
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}
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# 显示网络信息
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show_network_info() {
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echo -e "${YELLOW}=== Docker 网络信息 ===${NC}"
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echo -e "\n${CYAN}网络列表:${NC}"
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docker network ls
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echo -e "\n${CYAN}容器网络详情:${NC}"
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local containers=$(docker ps --format "{{.Names}}")
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for container in $containers; do
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echo -e "\n${GREEN}容器: $container${NC}"
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docker inspect "$container" --format '{{range $net, $conf := .NetworkSettings.Networks}}
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网络: {{$net}}
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IP地址: {{$conf.IPAddress}}
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网关: {{$conf.Gateway}}
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MAC地址: {{$conf.MacAddress}}
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{{end}}' | grep -v '^$'
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done
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}
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# 显示统计信息
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show_stats() {
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echo -e "${YELLOW}=== Docker 统计信息 ===${NC}"
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local total_containers=$(docker ps -q | wc -l)
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local running_containers=$(docker ps -q --filter status=running | wc -l)
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local stopped_containers=$(docker ps -q --filter status=exited | wc -l)
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echo -e "${CYAN}容器统计:${NC}"
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echo -e "总容器数: $total_containers"
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echo -e "运行中: $running_containers"
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echo -e "已停止: $stopped_containers"
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echo -e "\n${CYAN}资源使用:${NC}"
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docker stats --no-stream --format "table {{.Container}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.NetIO}}\t{{.BlockIO}}" | head -10
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}
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# 交互式模式
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interactive_mode() {
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echo -e "${GREEN}进入交互式模式 (按 Ctrl+C 退出)${NC}"
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while true; do
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echo -e "\n${YELLOW}选择操作:${NC}"
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echo "1) 查看运行中容器端口"
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echo "2) 查看所有容器端口"
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echo "3) 简洁列表"
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echo "4) 详细端口信息"
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echo "5) 查找端口使用"
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echo "6) 网络信息"
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echo "7) 统计信息"
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echo "8) 刷新显示"
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echo "9) 退出"
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read -p "请输入选择 (1-9): " choice
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case $choice in
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1) show_container_ports "" "false" "false" ;;
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2) show_container_ports "" "true" "false" ;;
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3) show_container_ports "" "false" "true" ;;
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4) show_detailed_ports ;;
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5)
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read -p "请输入要查找的端口: " port
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find_port_usage "$port"
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;;
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6) show_network_info ;;
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7) show_stats ;;
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8) clear; echo -e "${GREEN}显示已刷新${NC}" ;;
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9) break ;;
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*) echo -e "${RED}无效选择${NC}" ;;
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esac
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echo
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read -p "按 Enter 继续..." dummy
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clear
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done
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}
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# 主函数
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main() {
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check_docker
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# 如果没有参数，显示运行中容器
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if [ $# -eq 0 ]; then
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echo -e "${YELLOW}=== 运行中容器端口信息 ===${NC}"
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show_container_ports "" "false" "false"
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exit 0
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fi
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case $1 in
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-a|--all)
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show_container_ports "" "true" "false"
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;;
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-r|--running)
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show_container_ports "" "false" "false"
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;;
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-l|--list)
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show_container_ports "" "false" "true"
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;;
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-d|--detailed)
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show_detailed_ports
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;;
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-p|--port)
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if [ -z "$2" ]; then
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echo -e "${RED}错误: 请指定要查找的端口${NC}"
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exit 1
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fi
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find_port_usage "$2"
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;;
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-n|--network)
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show_network_info
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;;
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-s|--stats)
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show_stats
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;;
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-h|--help)
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show_help
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;;
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-i|--interactive)
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interactive_mode
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;;
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*)
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# 如果参数不是选项，认为是容器名称
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show_container_ports "$1" "false" "false"
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;;
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esac
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}
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# 运行主函数
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main "$@"
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