macOS 上 /usr/local/bin/ss 由 iproute2mac 提供(netstat 包装),输出以 TAB 分隔且 -p 不产出 pid=,导致 listener_pids 恒为空: - port_in_use 永远为假 → start 重复拉起 uvicorn 并报 [Errno 48] Address already in use,最终 die "后端启动超时" - status 误报"未运行",stop 定位不到监听进程 改为 lsof 优先、ss 兜底(保留 Linux 真 iproute2 的 pid= 提取),并用 ([^0-9]|$) 界定端口边界以兼容空格/TAB 两种分隔。显式 if 替代 [[ ]] && ——bash 3.2 在 set -e 下会因中途失败的 && 列表直接退出。
216 lines
7.2 KiB
Bash
Executable File
216 lines
7.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ============================================================
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# qlib-platform 前后端一键管理脚本
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#
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# 用法:
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# scripts/dev.sh start 启动后端(8000) + 前端(3000)
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# scripts/dev.sh stop 停止两者
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# scripts/dev.sh restart 重启两者
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# scripts/dev.sh status 查看状态
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# scripts/dev.sh logs [api|web] 实时查看日志
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#
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# 环境变量(可选):
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# API_PORT 后端端口(默认 8000)
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# WEB_PORT 前端端口(默认 3000)
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# BACKEND_API_URL 前端同源代理指向的后端地址(默认 http://127.0.0.1:8000,
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# 局域网访问前端时改为 http://<本机IP>:8000)
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#
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# 进程管理说明:pidfile 记录启动进程;停止时同时按「监听端口」定位真实服务进程
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# (pnpm/uv 包装进程可能提前退出),并对整进程组停止,避免子进程残留。
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# ============================================================
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
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RUN_DIR="$ROOT/.run"
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LOG_DIR="$ROOT/logs"
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mkdir -p "$RUN_DIR" "$LOG_DIR"
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API_PORT="${API_PORT:-8000}"
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WEB_PORT="${WEB_PORT:-3000}"
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BACKEND_API_URL="${BACKEND_API_URL:-http://127.0.0.1:8000}"
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API_PID_FILE="$RUN_DIR/backend.pid"
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WEB_PID_FILE="$RUN_DIR/frontend.pid"
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API_LOG="$LOG_DIR/backend.log"
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WEB_LOG="$LOG_DIR/frontend.log"
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log() { echo "[dev.sh] $*"; }
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die() { echo "[dev.sh] 错误: $*" >&2; exit 1; }
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# ---------- 进程探测 ----------
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# 监听指定端口的 pid(无则空)
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# 取值顺序:lsof → ss。
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# 不能把 ss 放在首位:macOS 上 /usr/local/bin/ss 常由 iproute2mac 提供(netstat 包装),
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# 其输出以 TAB 分隔且 -p 不产出 pid=,会让匹配恒为空 → port_in_use 永远为假 →
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# start 重复拉起进程并报 [Errno 48] Address already in use,status 也误报"未运行"。
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# 真实 iproute2(Linux)的 ss 仍作为兜底,此时可从 users:(("x",pid=NNN)) 取到 pid。
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listener_pids() { # $1 port
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local pids=""
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if command -v lsof >/dev/null 2>&1; then
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pids="$(lsof -t -iTCP:"$1" -sTCP:LISTEN 2>/dev/null || true)"
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fi
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if [[ -z "$pids" ]] && command -v ss >/dev/null 2>&1; then
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# ([^0-9]|$) 界定端口边界:兼容 ss 的空格与 TAB 两种分隔,且避免匹配到更长的端口号
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pids="$(ss -tlnp 2>/dev/null | awk -v p=":$1" '
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$0 ~ (p "([^0-9]|$)") && /LISTEN/ {
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if (match($0, /pid=[0-9]+/)) print substr($0, RSTART+4, RLENGTH-4)
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}' || true)"
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fi
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if [[ -n "$pids" ]]; then
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printf '%s\n' "$pids"
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fi
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return 0
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}
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port_in_use() { [[ -n "$(listener_pids "$1")" ]]; }
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pidfile_alive() { [[ -f "$1" ]] && kill -0 "$(cat "$1")" 2>/dev/null; }
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# 后台启动命令:Linux 用 setsid 脱离会话;macOS 无 setsid(BSD)则退回 nohup。
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# 两种方式都写 pidfile + 按端口定位,stop 逻辑不依赖进程组。
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spawn_bg() { # $1 日志文件;其余为命令
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local logfile="$1"; shift
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if command -v setsid >/dev/null 2>&1; then
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setsid nohup "$@" >>"$logfile" 2>&1 &
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else
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nohup "$@" >>"$logfile" 2>&1 &
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fi
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}
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# 杀掉指定 pid 及其整进程组(uvicorn --reload / next dev 的子进程一起清理)
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# 注意:macOS 无 setsid 时子进程与当前脚本同进程组,此时禁止按 pgid 杀,
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# 否则会连带杀掉调用方自身;改为逐 pid + 子进程清理。
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kill_tree() { # $1 pid
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local pid pgid self_pgid
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pid="$1"
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pgid="$(ps -o pgid= -p "$pid" 2>/dev/null | tr -d ' ' || true)"
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self_pgid="$(ps -o pgid= -p $$ 2>/dev/null | tr -d ' ' || true)"
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if [[ -n "${pgid:-}" && "$pgid" != "${self_pgid:-}" ]]; then
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kill -- "-$pgid" 2>/dev/null || true
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fi
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# 先清理子进程再杀父进程:父进程先退出会让其子进程被 reparent,pkill -P 不再匹配
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pkill -P "$pid" 2>/dev/null || true
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kill "$pid" 2>/dev/null || true
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}
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# ---------- 启动 ----------
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start_api() {
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if port_in_use "$API_PORT"; then
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log "后端已在 :$API_PORT 运行(pid $(listener_pids "$API_PORT" | head -1))"
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listener_pids "$API_PORT" | head -1 > "$API_PID_FILE"
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return 0
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fi
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log "启动后端 :${API_PORT}(日志 ${API_LOG})"
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( cd "$ROOT/backend"
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spawn_bg "$API_LOG" uv run uvicorn app.main:app --host 0.0.0.0 --port "$API_PORT" --reload
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) || true
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for _ in $(seq 1 40); do
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if port_in_use "$API_PORT"; then
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listener_pids "$API_PORT" | head -1 > "$API_PID_FILE"
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return 0
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fi
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sleep 0.5
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done
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die "后端启动超时,请查看 $API_LOG"
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}
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start_web() {
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if port_in_use "$WEB_PORT"; then
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log "前端已在 :$WEB_PORT 运行(pid $(listener_pids "$WEB_PORT" | head -1))"
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listener_pids "$WEB_PORT" | head -1 > "$WEB_PID_FILE"
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return 0
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fi
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log "启动前端 :${WEB_PORT}(日志 ${WEB_LOG})"
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( cd "$ROOT/frontend/web"
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export BACKEND_API_URL
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# pnpm exec next 直接运行,避免 package.json dev 脚本自带 -p 3000 与端口参数重复
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# -H 0.0.0.0:显式监听所有网卡(局域网可用 http://<本机IP>:3000 访问)
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spawn_bg "$WEB_LOG" pnpm exec next dev -H 0.0.0.0 -p "$WEB_PORT"
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) || true
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for _ in $(seq 1 80); do
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if port_in_use "$WEB_PORT"; then
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listener_pids "$WEB_PORT" | head -1 > "$WEB_PID_FILE"
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return 0
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fi
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sleep 0.5
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done
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die "前端启动超时,请查看 $WEB_LOG"
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}
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# ---------- 停止 ----------
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stop_service() { # $1 pidfile $2 port $3 名称
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local killed=0
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if pidfile_alive "$1"; then
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local pid
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pid="$(cat "$1")"
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log "停止 $3 (pid $pid)"
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kill_tree "$pid"
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killed=1
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fi
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local lp
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for lp in $(listener_pids "$2"); do
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log "停止 $3 监听进程 (pid $lp)"
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kill_tree "$lp"
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killed=1
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done
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if [[ "$killed" == 0 ]]; then
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log "$3 未在运行"
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fi
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for _ in $(seq 1 20); do
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port_in_use "$2" || break
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sleep 0.3
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done
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if pidfile_alive "$1"; then kill -9 "$(cat "$1")" 2>/dev/null || true; fi
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for lp in $(listener_pids "$2"); do kill -9 "$lp" 2>/dev/null || true; done
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rm -f "$1"
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log "$3 已停止"
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}
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status() {
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local api_pid web_pid
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api_pid="$(listener_pids "$API_PORT" | head -1 | tr -d '\n ' || true)"
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web_pid="$(listener_pids "$WEB_PORT" | head -1 | tr -d '\n ' || true)"
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# 注意:不用 "${pid:+运行中 pid $pid}${pid:-未运行}" —— bash 3.2(macOS 自带)
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# 对 :+ 词内再引用同一变量会重复展开,导致 PID 显示为拼接值。
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if [[ -n "$api_pid" ]]; then log "后端: 运行中 pid $api_pid"; else log "后端: 未运行"; fi
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if [[ -n "$web_pid" ]]; then log "前端: 运行中 pid $web_pid"; else log "前端: 未运行"; fi
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log "访问: 前端 http://127.0.0.1:$WEB_PORT | API http://127.0.0.1:$API_PORT/api/health"
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}
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# ---------- actions ----------
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case "${1:-start}" in
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start)
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start_api
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start_web
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status
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;;
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stop)
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stop_service "$API_PID_FILE" "$API_PORT" "后端"
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stop_service "$WEB_PID_FILE" "$WEB_PORT" "前端"
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;;
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restart)
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"$0" stop
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sleep 1
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"$0" start
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;;
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status)
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status
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;;
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logs)
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case "${2:-}" in
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api) tail -f "$API_LOG" ;;
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web) tail -f "$WEB_LOG" ;;
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*) tail -f "$API_LOG" "$WEB_LOG" ;;
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esac
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;;
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*)
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echo "用法: $0 {start|stop|restart|status|logs [api|web]}" >&2
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exit 1
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;;
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esac
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