怎么用随机出口节点

curl -x proxy.gaofengxt.cn:20001 \
  -U "ipx_demo8f2k-zone-mob-region-hangzhou:YOUR_PASSWORD" \
  https://ipinfo.io/ip

for i in 1 2 3 4 5; do
  curl -s --http1.1 \
    -H 'Connection: close' -H 'Proxy-Connection: close' \
    -x proxy.gaofengxt.cn:20001 \
    -U "ipx_demo8f2k-zone-mob-region-hangzhou:YOUR_PASSWORD" \
    https://ipinfo.io/ip
  echo
done

REGIONS=(hangzhou ningbo)
REGION=${REGIONS[$((RANDOM % ${#REGIONS[@]}))]}

curl -s --http1.1 -H 'Connection: close' \
  -x proxy.gaofengxt.cn:20001 \
  -U "ipx_demo8f2k-zone-mob-region-$REGION:YOUR_PASSWORD" \
  https://ipinfo.io/ip

#!/usr/bin/env bash
# 随机出口自测:每次连接随机挑一个出口地区,打印真实出口 IP,最后统计去重结果。
set -u

# ① 网关地址(HTTP 端口),以控制台「代理接入」显示的为准
PROXY_ADDRESS=${PROXY_ADDRESS:-proxy.gaofengxt.cn:20001}
# ② 用户名前缀 = 你的代理账号 + 固定的 -zone-mob-region
PROXY_USER_PREFIX=${PROXY_USER_PREFIX:-ipx_demo8f2k-zone-mob-region}
# ③ 参与随机的出口地区,逗号分隔
REGIONS=${REGIONS:-hangzhou,ningbo}
# ④ 连接次数
COUNT=${COUNT:-10}
# ⑤ 单次连接与整体超时(秒),移动网络建议别调太小
CONNECT_TIMEOUT=${CONNECT_TIMEOUT:-10}
MAX_TIME=${MAX_TIME:-20}
# ⑥ 检测地址,必须返回纯文本 IP
TEST_URL=${TEST_URL:-https://ipinfo.io/ip}

# 密码只从环境变量读,不要写进脚本、更不要提交到 Git
if [ -z "${PROXY_PASSWORD:-}" ]; then
  printf '错误: 请先设置 PROXY_PASSWORD 环境变量。\n' >&2
  exit 2
fi

case "$COUNT" in
  ''|*[!0-9]*|0)
    printf '错误: COUNT 必须是大于 0 的整数。\n' >&2
    exit 2
    ;;
esac

# 把逗号分隔的地区拆成数组
old_ifs=$IFS
IFS=',' read -r -a region_list <<< "$REGIONS"
IFS=$old_ifs
region_count=${#region_list[@]}

if [ "$region_count" -eq 0 ]; then
  printf '错误: REGIONS 至少需要一个地区。\n' >&2
  exit 2
fi

# 临时文件存放每次的 地区+出口IP,退出时自动清理
results_file=$(mktemp "${TMPDIR:-/tmp}/proxy-exit-ip.XXXXXX") || exit 1
trap 'rm -f "$results_file"' EXIT

successful=0
failures=0

printf '网关: %s\n' "$PROXY_ADDRESS"
printf '出口地区: %s\n' "$REGIONS"
printf '连接次数: %s\n\n' "$COUNT"

for ((attempt = 1; attempt <= COUNT; attempt++)); do
  # 随机挑一个出口地区;用户名不带 -session-,即轮换模式
  region=${region_list[$((RANDOM % region_count))]}
  proxy_username="${PROXY_USER_PREFIX}-${region}"

  # --http1.1 + Connection: close 强制每次新建连接 —— 复用连接会一直走同一个出口
  response=$(curl \
    --silent --show-error --fail --http1.1 \
    --connect-timeout "$CONNECT_TIMEOUT" \
    --max-time "$MAX_TIME" \
    -H 'Connection: close' \
    -H 'Proxy-Connection: close' \
    -x "$PROXY_ADDRESS" \
    -U "$proxy_username:$PROXY_PASSWORD" \
    "$TEST_URL" 2>&1)
  curl_status=$?

  if [ "$curl_status" -ne 0 ]; then
    failures=$((failures + 1))
    printf '[%03d/%03d] region=%-10s 失败 curl=%d: %s\n' \
      "$attempt" "$COUNT" "$region" "$curl_status" "$response"
    continue
  fi

  # 纯文本 IP,去掉首尾空白后校验只剩数字和点
  exit_ip=$(printf '%s' "$response" | tr -d '[:space:]')
  case "$exit_ip" in
    ''|*[!0-9.]*)
      failures=$((failures + 1))
      printf '[%03d/%03d] region=%-10s 失败: 检测地址没有返回纯文本 IP\n' \
        "$attempt" "$COUNT" "$region"
      continue
      ;;
  esac

  successful=$((successful + 1))
  printf '%s\t%s\n' "$region" "$exit_ip" >> "$results_file"
  printf '[%03d/%03d] region=%-10s exit_ip=%s\n' \
    "$attempt" "$COUNT" "$region" "$exit_ip"
done

# 汇总:唯一「地区/出口IP」组合越多,说明轮换到的设备越多
if [ "$successful" -gt 0 ]; then
  unique_pairs=$(sort -u "$results_file" | wc -l | tr -d ' ')
else
  unique_pairs=0
fi

printf '\n汇总: 成功=%d 失败=%d 唯一地区/出口IP组合=%d\n' "$successful" "$failures" "$unique_pairs"

if [ "$successful" -gt 0 ]; then
  sort "$results_file" | uniq -c | awk '{
    printf "  region=%s exit_ip=%s 命中=%d\n", $2, $3, $1
  }'
fi

# 有失败就以 1 退出,方便接进 CI 或监控
if [ "$failures" -gt 0 ]; then
  exit 1
fi