# BT 编程语言文档
> BT 是一种类 JS 语法的解释型语言，支持链式调用和 Web 服务。本文档索引供 AI / LLM 工具自动发现和阅读。
> 每行格式：文档标题: HTML页面 (Markdown原文)

## 入门
- 介绍: /docs/index (Markdown: /md/docs/index)
- 环境搭建: /docs/build (Markdown: /md/docs/build)
- 如何使用: /docs/usage (Markdown: /md/docs/usage)
- 代码示例: /docs/example (Markdown: /md/docs/example)

## 基础语法
- 语法说明: /docs/syntax (Markdown: /md/docs/syntax)
- 输出: /docs/output (Markdown: /md/docs/output)
- 使用注释: /docs/comment (Markdown: /md/docs/comment)
- 声明变量: /docs/variable (Markdown: /md/docs/variable)
- 解构赋值: /docs/destructuring (Markdown: /md/docs/destructuring)
- 声明常量: /docs/constant (Markdown: /md/docs/constant)
- 数据类型: /docs/type (Markdown: /md/docs/type)
- 字符串模板: /docs/string_template (Markdown: /md/docs/string_template)
- 运算符: /docs/operator (Markdown: /md/docs/operator)
- 条件语句: /docs/condition (Markdown: /md/docs/condition)
- fn函数: /docs/fn (Markdown: /md/docs/fn)
- class类: /docs/class (Markdown: /md/docs/class)

## 循环遍历
- 循环遍历: /docs/loop (Markdown: /md/docs/loop)
- For循环: /docs/loop/for (Markdown: /md/docs/loop/for)
- While 循环: /docs/loop/while (Markdown: /md/docs/loop/while)
- Loop 循环: /docs/loop/loop (Markdown: /md/docs/loop/loop)

## 关键字
- 关键字: /docs/keyword (Markdown: /md/docs/keyword)
- use: /docs/keyword/use (Markdown: /md/docs/keyword/use)

## Number 数字操作
- Number 概述: /docs/number (Markdown: /md/docs/number)
- len: /docs/number/len (Markdown: /md/docs/number/len)
- to_number: /docs/number/to_number (Markdown: /md/docs/number/to_number)
- to_fixed: /docs/number/to_fixed (Markdown: /md/docs/number/to_fixed)
- to_string: /docs/number/to_string (Markdown: /md/docs/number/to_string)
- to_radix: /docs/number/to_radix (Markdown: /md/docs/number/to_radix)
- to_char: /docs/number/to_char (Markdown: /md/docs/number/to_char)
- to_exponential: /docs/number/to_exponential (Markdown: /md/docs/number/to_exponential)

## String 字符串操作
- String 概述: /docs/string (Markdown: /md/docs/string)
- len: /docs/string/len (Markdown: /md/docs/string/len)
- trim: /docs/string/trim (Markdown: /md/docs/string/trim)
- char_at: /docs/string/char_at (Markdown: /md/docs/string/char_at)
- char_code_at: /docs/string/char_code_at (Markdown: /md/docs/string/char_code_at)
- parse_json: /docs/string/parse_json (Markdown: /md/docs/string/parse_json)
- parse_radix_int: /docs/string/parse_radix_int (Markdown: /md/docs/string/parse_radix_int)
- parse_radix_str: /docs/string/parse_radix_str (Markdown: /md/docs/string/parse_radix_str)
- concat: /docs/string/concat (Markdown: /md/docs/string/concat)
- ends_with: /docs/string/ends_with (Markdown: /md/docs/string/ends_with)
- contains: /docs/string/contains (Markdown: /md/docs/string/contains)
- index_of: /docs/string/index_of (Markdown: /md/docs/string/index_of)
- last_index_of: /docs/string/last_index_of (Markdown: /md/docs/string/last_index_of)
- repeat: /docs/string/repeat (Markdown: /md/docs/string/repeat)
- replace: /docs/string/replace (Markdown: /md/docs/string/replace)
- search: /docs/string/search (Markdown: /md/docs/string/search)
- match: /docs/string/match (Markdown: /md/docs/string/match)
- slice: /docs/string/slice (Markdown: /md/docs/string/slice)
- split: /docs/string/split (Markdown: /md/docs/string/split)
- starts_with: /docs/string/starts_with (Markdown: /md/docs/string/starts_with)
- substr: /docs/string/substr (Markdown: /md/docs/string/substr)
- to_lowercase: /docs/string/to_lowercase (Markdown: /md/docs/string/to_lowercase)
- to_uppercase: /docs/string/to_uppercase (Markdown: /md/docs/string/to_uppercase)
- to_number: /docs/string/to_number (Markdown: /md/docs/string/to_number)
- to_string: /docs/string/to_string (Markdown: /md/docs/string/to_string)
- escape_html: /docs/string/escape_html (Markdown: /md/docs/string/escape_html)
- unescape_html: /docs/string/unescape_html (Markdown: /md/docs/string/unescape_html)
- strip_html: /docs/string/strip_html (Markdown: /md/docs/string/strip_html)

## Array 数组操作
- Array 概述: /docs/array (Markdown: /md/docs/array)
- len: /docs/array/len (Markdown: /md/docs/array/len)
- to_string: /docs/array/to_string (Markdown: /md/docs/array/to_string)
- join: /docs/array/join (Markdown: /md/docs/array/join)
- each: /docs/array/each (Markdown: /md/docs/array/each)
- pop: /docs/array/pop (Markdown: /md/docs/array/pop)
- at: /docs/array/at (Markdown: /md/docs/array/at)
- push: /docs/array/push (Markdown: /md/docs/array/push)
- shift: /docs/array/shift (Markdown: /md/docs/array/shift)
- unshift: /docs/array/unshift (Markdown: /md/docs/array/unshift)
- insert: /docs/array/insert (Markdown: /md/docs/array/insert)
- sort: /docs/array/sort (Markdown: /md/docs/array/sort)
- reverse: /docs/array/reverse (Markdown: /md/docs/array/reverse)
- slice: /docs/array/slice (Markdown: /md/docs/array/slice)
- splice: /docs/array/splice (Markdown: /md/docs/array/splice)
- concat: /docs/array/concat (Markdown: /md/docs/array/concat)
- contains: /docs/array/contains (Markdown: /md/docs/array/contains)
- index_of: /docs/array/index_of (Markdown: /md/docs/array/index_of)
- last_index_of: /docs/array/last_index_of (Markdown: /md/docs/array/last_index_of)
- find: /docs/array/find (Markdown: /md/docs/array/find)
- find_index: /docs/array/find_index (Markdown: /md/docs/array/find_index)
- find_last: /docs/array/find_last (Markdown: /md/docs/array/find_last)
- find_last_index: /docs/array/find_last_index (Markdown: /md/docs/array/find_last_index)
- every: /docs/array/every (Markdown: /md/docs/array/every)
- some: /docs/array/some (Markdown: /md/docs/array/some)
- filter: /docs/array/filter (Markdown: /md/docs/array/filter)
- map: /docs/array/map (Markdown: /md/docs/array/map)
- reduce: /docs/array/reduce (Markdown: /md/docs/array/reduce)
- reduce_right: /docs/array/reduce_right (Markdown: /md/docs/array/reduce_right)
- fill: /docs/array/fill (Markdown: /md/docs/array/fill)
- flat: /docs/array/flat (Markdown: /md/docs/array/flat)
- flat_map: /docs/array/flat_map (Markdown: /md/docs/array/flat_map)
- keys: /docs/array/keys (Markdown: /md/docs/array/keys)
- values: /docs/array/values (Markdown: /md/docs/array/values)
- entries: /docs/array/entries (Markdown: /md/docs/array/entries)
- clone: /docs/array/clone (Markdown: /md/docs/array/clone)
- delete: /docs/array/delete (Markdown: /md/docs/array/delete)
- remove_at: /docs/array/remove_at (Markdown: /md/docs/array/remove_at)
- clear: /docs/array/clear (Markdown: /md/docs/array/clear)

## Object 对象操作
- Object 概述: /docs/object (Markdown: /md/docs/object)
- len: /docs/object/len (Markdown: /md/docs/object/len)
- to_string: /docs/object/to_string (Markdown: /md/docs/object/to_string)
- keys: /docs/object/keys (Markdown: /md/docs/object/keys)
- values: /docs/object/values (Markdown: /md/docs/object/values)
- entries: /docs/object/entries (Markdown: /md/docs/object/entries)
- reverse: /docs/object/reverse (Markdown: /md/docs/object/reverse)
- concat: /docs/object/concat (Markdown: /md/docs/object/concat)
- clone: /docs/object/clone (Markdown: /md/docs/object/clone)
- delete: /docs/object/delete (Markdown: /md/docs/object/delete)
- has_key: /docs/object/has_key (Markdown: /md/docs/object/has_key)
- each: /docs/object/each (Markdown: /md/docs/object/each)
- map: /docs/object/map (Markdown: /md/docs/object/map)
- filter: /docs/object/filter (Markdown: /md/docs/object/filter)
- every: /docs/object/every (Markdown: /md/docs/object/every)
- some: /docs/object/some (Markdown: /md/docs/object/some)
- find: /docs/object/find (Markdown: /md/docs/object/find)
- find_key: /docs/object/find_key (Markdown: /md/docs/object/find_key)
- update: /docs/object/update (Markdown: /md/docs/object/update)
- pick: /docs/object/pick (Markdown: /md/docs/object/pick)
- omit: /docs/object/omit (Markdown: /md/docs/object/omit)
- clear: /docs/object/clear (Markdown: /md/docs/object/clear)

## Regex 正则表达式
- Regex 概述: /docs/regex (Markdown: /md/docs/regex)
- test: /docs/regex/test (Markdown: /md/docs/regex/test)
- match: /docs/regex/match (Markdown: /md/docs/regex/match)
- replace: /docs/regex/replace (Markdown: /md/docs/regex/replace)
- to_string: /docs/regex/to_string (Markdown: /md/docs/regex/to_string)
- 语法: /docs/regex/syntax (Markdown: /md/docs/regex/syntax)
- 修饰符: /docs/regex/modifiers (Markdown: /md/docs/regex/modifiers)
- 字符类: /docs/regex/char_classes (Markdown: /md/docs/regex/char_classes)
- 元字符: /docs/regex/metacharacters (Markdown: /md/docs/regex/metacharacters)
- 重复匹配: /docs/regex/repeat (Markdown: /md/docs/regex/repeat)
- 空匹配: /docs/regex/empty_match (Markdown: /md/docs/regex/empty_match)
- 分组与标志: /docs/regex/grouping (Markdown: /md/docs/regex/grouping)
- ASCII 字符类: /docs/regex/ascii (Markdown: /md/docs/regex/ascii)
- Unicode支持: /docs/regex/unicode (Markdown: /md/docs/regex/unicode)

## Date 日期
- Date 概述: /docs/date (Markdown: /md/docs/date)
- format: /docs/date/format (Markdown: /md/docs/date/format)
- from_string: /docs/date/from_string (Markdown: /md/docs/date/from_string)
- from_timestamp: /docs/date/from_timestamp (Markdown: /md/docs/date/from_timestamp)
- from_millis: /docs/date/from_millis (Markdown: /md/docs/date/from_millis)
- from_micros: /docs/date/from_micros (Markdown: /md/docs/date/from_micros)
- from_nanos: /docs/date/from_nanos (Markdown: /md/docs/date/from_nanos)
- timestamp: /docs/date/timestamp (Markdown: /md/docs/date/timestamp)
- timestamp_millis: /docs/date/timestamp_millis (Markdown: /md/docs/date/timestamp_millis)
- timestamp_micros: /docs/date/timestamp_micros (Markdown: /md/docs/date/timestamp_micros)
- timestamp_nanos: /docs/date/timestamp_nanos (Markdown: /md/docs/date/timestamp_nanos)
- millis: /docs/date/millis (Markdown: /md/docs/date/millis)
- micros: /docs/date/micros (Markdown: /md/docs/date/micros)
- nanos: /docs/date/nanos (Markdown: /md/docs/date/nanos)
- year: /docs/date/year (Markdown: /md/docs/date/year)
- month: /docs/date/month (Markdown: /md/docs/date/month)
- day: /docs/date/day (Markdown: /md/docs/date/day)
- hour: /docs/date/hour (Markdown: /md/docs/date/hour)
- minute: /docs/date/minute (Markdown: /md/docs/date/minute)
- second: /docs/date/second (Markdown: /md/docs/date/second)
- weekday: /docs/date/weekday (Markdown: /md/docs/date/weekday)
- week: /docs/date/week (Markdown: /md/docs/date/week)
- yearday: /docs/date/yearday (Markdown: /md/docs/date/yearday)
- quarter: /docs/date/quarter (Markdown: /md/docs/date/quarter)
- to_string: /docs/date/to_string (Markdown: /md/docs/date/to_string)

## FS 文件操作
- FS 概述: /docs/fs (Markdown: /md/docs/fs)
- path: /docs/fs/path (Markdown: /md/docs/fs/path)
- to_string: /docs/fs/to_string (Markdown: /md/docs/fs/to_string)
- read: /docs/fs/read (Markdown: /md/docs/fs/read)
- binary: /docs/fs/binary (Markdown: /md/docs/fs/binary)
- lines: /docs/fs/lines (Markdown: /md/docs/fs/lines)
- write: /docs/fs/write (Markdown: /md/docs/fs/write)
- prepend: /docs/fs/prepend (Markdown: /md/docs/fs/prepend)
- append: /docs/fs/append (Markdown: /md/docs/fs/append)
- size: /docs/fs/size (Markdown: /md/docs/fs/size)
- rename: /docs/fs/rename (Markdown: /md/docs/fs/rename)
- move: /docs/fs/move (Markdown: /md/docs/fs/move)
- copy: /docs/fs/copy (Markdown: /md/docs/fs/copy)
- delete: /docs/fs/delete (Markdown: /md/docs/fs/delete)
- create_dir: /docs/fs/create_dir (Markdown: /md/docs/fs/create_dir)
- create_file: /docs/fs/create_file (Markdown: /md/docs/fs/create_file)
- list: /docs/fs/list (Markdown: /md/docs/fs/list)
- is_dir: /docs/fs/is_dir (Markdown: /md/docs/fs/is_dir)
- is_file: /docs/fs/is_file (Markdown: /md/docs/fs/is_file)
- is_relative: /docs/fs/is_relative (Markdown: /md/docs/fs/is_relative)
- is_absolute: /docs/fs/is_absolute (Markdown: /md/docs/fs/is_absolute)
- is_symlink: /docs/fs/is_symlink (Markdown: /md/docs/fs/is_symlink)
- is_exists: /docs/fs/is_exists (Markdown: /md/docs/fs/is_exists)
- basename: /docs/fs/basename (Markdown: /md/docs/fs/basename)
- filename: /docs/fs/filename (Markdown: /md/docs/fs/filename)
- extension: /docs/fs/extension (Markdown: /md/docs/fs/extension)

## 系统函数
- 系统函数概述: /docs/system (Markdown: /md/docs/system)
- envs: /docs/system/envs (Markdown: /md/docs/system/envs)
- env: /docs/system/env (Markdown: /md/docs/system/env)
- has_envs: /docs/system/has_envs (Markdown: /md/docs/system/has_envs)
- has_env: /docs/system/has_env (Markdown: /md/docs/system/has_env)
- pause: /docs/system/pause (Markdown: /md/docs/system/pause)
- assert: /docs/system/assert (Markdown: /md/docs/system/assert)
- print: /docs/system/print (Markdown: /md/docs/system/print)
- println: /docs/system/println (Markdown: /md/docs/system/println)
- echo: /docs/system/echo (Markdown: /md/docs/system/echo)
- bool: /docs/system/bool (Markdown: /md/docs/system/bool)
- eval: /docs/system/eval (Markdown: /md/docs/system/eval)
- exit: /docs/system/exit (Markdown: /md/docs/system/exit)
- include: /docs/system/include (Markdown: /md/docs/system/include)
- include_once: /docs/system/include_once (Markdown: /md/docs/system/include_once)
- cur_dir: /docs/system/cur_dir (Markdown: /md/docs/system/cur_dir)
- cur_file: /docs/system/cur_file (Markdown: /md/docs/system/cur_file)
- cur_root: /docs/system/cur_root (Markdown: /md/docs/system/cur_root)
- type: /docs/system/type (Markdown: /md/docs/system/type)
- call: /docs/system/call (Markdown: /md/docs/system/call)
- number: /docs/system/number (Markdown: /md/docs/system/number)
- string: /docs/system/string (Markdown: /md/docs/system/string)
- float: /docs/system/float (Markdown: /md/docs/system/float)
- int: /docs/system/int (Markdown: /md/docs/system/int)
- array: /docs/system/array (Markdown: /md/docs/system/array)
- object: /docs/system/object (Markdown: /md/docs/system/object)
- json: /docs/system/json (Markdown: /md/docs/system/json)
- regex: /docs/system/regex (Markdown: /md/docs/system/regex)
- is_empty: /docs/system/is_empty (Markdown: /md/docs/system/is_empty)
- is_null: /docs/system/is_null (Markdown: /md/docs/system/is_null)
- sleep: /docs/system/sleep (Markdown: /md/docs/system/sleep)
- rand: /docs/system/rand (Markdown: /md/docs/system/rand)

## Web 请求上下文
- Web 概述: /docs/web (Markdown: /md/docs/web)
- get: /docs/web/get (Markdown: /md/docs/web/get)
- post: /docs/web/post (Markdown: /md/docs/web/post)
- cookie: /docs/web/cookie (Markdown: /md/docs/web/cookie)
- session: /docs/web/session (Markdown: /md/docs/web/session)
- files: /docs/web/files (Markdown: /md/docs/web/files)
- server: /docs/web/server (Markdown: /md/docs/web/server)
- url: /docs/web/url (Markdown: /md/docs/web/url)
- method: /docs/web/method (Markdown: /md/docs/web/method)
- header: /docs/web/header (Markdown: /md/docs/web/header)
- status_code: /docs/web/status_code (Markdown: /md/docs/web/status_code)
- redirect: /docs/web/redirect (Markdown: /md/docs/web/redirect)

## MySQL 库
- MySQL 概述: /docs/mysql (Markdown: /md/docs/mysql)
- query: /docs/mysql/query (Markdown: /md/docs/mysql/query)
- bind: /docs/mysql/bind (Markdown: /md/docs/mysql/bind)
- binds: /docs/mysql/binds (Markdown: /md/docs/mysql/binds)
- batch: /docs/mysql/batch (Markdown: /md/docs/mysql/batch)
- workers: /docs/mysql/workers (Markdown: /md/docs/mysql/workers)
- all: /docs/mysql/all (Markdown: /md/docs/mysql/all)
- one: /docs/mysql/one (Markdown: /md/docs/mysql/one)
- exec: /docs/mysql/exec (Markdown: /md/docs/mysql/exec)
- sql: /docs/mysql/sql (Markdown: /md/docs/mysql/sql)

## Math 库
- Math 概述: /docs/math (Markdown: /md/docs/math)
- 常量: /docs/math/constants (Markdown: /md/docs/math/constants)
- abs: /docs/math/abs (Markdown: /md/docs/math/abs)
- pow: /docs/math/pow (Markdown: /md/docs/math/pow)
- sqrt: /docs/math/sqrt (Markdown: /md/docs/math/sqrt)
- cbrt: /docs/math/cbrt (Markdown: /md/docs/math/cbrt)
- min: /docs/math/min (Markdown: /md/docs/math/min)
- max: /docs/math/max (Markdown: /md/docs/math/max)
- clamp: /docs/math/clamp (Markdown: /md/docs/math/clamp)
- sign: /docs/math/sign (Markdown: /md/docs/math/sign)
- hypot: /docs/math/hypot (Markdown: /md/docs/math/hypot)
- round: /docs/math/round (Markdown: /md/docs/math/round)
- ceil: /docs/math/ceil (Markdown: /md/docs/math/ceil)
- floor: /docs/math/floor (Markdown: /md/docs/math/floor)
- trunc: /docs/math/trunc (Markdown: /md/docs/math/trunc)
- exp: /docs/math/exp (Markdown: /md/docs/math/exp)
- exp2: /docs/math/exp2 (Markdown: /md/docs/math/exp2)
- expm1: /docs/math/expm1 (Markdown: /md/docs/math/expm1)
- ln: /docs/math/ln (Markdown: /md/docs/math/ln)
- log: /docs/math/log (Markdown: /md/docs/math/log)
- log10: /docs/math/log10 (Markdown: /md/docs/math/log10)
- log2: /docs/math/log2 (Markdown: /md/docs/math/log2)
- log1p: /docs/math/log1p (Markdown: /md/docs/math/log1p)
- sin: /docs/math/sin (Markdown: /md/docs/math/sin)
- cos: /docs/math/cos (Markdown: /md/docs/math/cos)
- tan: /docs/math/tan (Markdown: /md/docs/math/tan)
- asin: /docs/math/asin (Markdown: /md/docs/math/asin)
- acos: /docs/math/acos (Markdown: /md/docs/math/acos)
- atan: /docs/math/atan (Markdown: /md/docs/math/atan)
- atan2: /docs/math/atan2 (Markdown: /md/docs/math/atan2)
- rad: /docs/math/rad (Markdown: /md/docs/math/rad)
- deg: /docs/math/deg (Markdown: /md/docs/math/deg)
- sinh: /docs/math/sinh (Markdown: /md/docs/math/sinh)
- cosh: /docs/math/cosh (Markdown: /md/docs/math/cosh)
- tanh: /docs/math/tanh (Markdown: /md/docs/math/tanh)
- asinh: /docs/math/asinh (Markdown: /md/docs/math/asinh)
- acosh: /docs/math/acosh (Markdown: /md/docs/math/acosh)
- atanh: /docs/math/atanh (Markdown: /md/docs/math/atanh)
- random: /docs/math/random (Markdown: /md/docs/math/random)

## MD5 库
- MD5 概述: /docs/md5 (Markdown: /md/docs/md5)
- write: /docs/md5/write (Markdown: /md/docs/md5/write)
- ok: /docs/md5/ok (Markdown: /md/docs/md5/ok)

## Base64 库
- Base64 概述: /docs/base64 (Markdown: /md/docs/base64)
- encode: /docs/base64/encode (Markdown: /md/docs/base64/encode)
- decode: /docs/base64/decode (Markdown: /md/docs/base64/decode)
- to_string: /docs/base64/to_string (Markdown: /md/docs/base64/to_string)

## Reqwest HTTP 客户端库
- Reqwest 概述: /docs/reqwest (Markdown: /md/docs/reqwest)
- method: /docs/reqwest/method (Markdown: /md/docs/reqwest/method)
- header: /docs/reqwest/header (Markdown: /md/docs/reqwest/header)
- cookie: /docs/reqwest/cookie (Markdown: /md/docs/reqwest/cookie)
- cookie_store: /docs/reqwest/cookie_store (Markdown: /md/docs/reqwest/cookie_store)
- body: /docs/reqwest/body (Markdown: /md/docs/reqwest/body)
- json: /docs/reqwest/json (Markdown: /md/docs/reqwest/json)
- form: /docs/reqwest/form (Markdown: /md/docs/reqwest/form)
- multipart: /docs/reqwest/multipart (Markdown: /md/docs/reqwest/multipart)
- timeout: /docs/reqwest/timeout (Markdown: /md/docs/reqwest/timeout)
- query: /docs/reqwest/query (Markdown: /md/docs/reqwest/query)
- proxy: /docs/reqwest/proxy (Markdown: /md/docs/reqwest/proxy)
- redirect_policy: /docs/reqwest/redirect_policy (Markdown: /md/docs/reqwest/redirect_policy)
- send: /docs/reqwest/send (Markdown: /md/docs/reqwest/send)

## Net 网络通信
- Net 概述: /docs/net (Markdown: /md/docs/net)
- listen: /docs/net/listen (Markdown: /md/docs/net/listen)
- connect: /docs/net/connect (Markdown: /md/docs/net/connect)
- resolve: /docs/net/resolve (Markdown: /md/docs/net/resolve)
- interfaces: /docs/net/interfaces (Markdown: /md/docs/net/interfaces)
- local_ip: /docs/net/local_ip (Markdown: /md/docs/net/local_ip)
- Web 服务: /docs/net/web (Markdown: /md/docs/net/web)
- TCP 通信: /docs/net/tcp (Markdown: /md/docs/net/tcp)
- UDP 通信: /docs/net/udp (Markdown: /md/docs/net/udp)
- WebSocket 通信: /docs/net/websocket (Markdown: /md/docs/net/websocket)
- 常见问题: /docs/net/faq (Markdown: /md/docs/net/faq)

## Device 硬件设备
- Device 概述: /docs/device (Markdown: /md/docs/device)
- open: /docs/device/open (Markdown: /md/docs/device/open)
- scan: /docs/device/scan (Markdown: /md/docs/device/scan)
- list: /docs/device/list (Markdown: /md/docs/device/list)
- exists: /docs/device/exists (Markdown: /md/docs/device/exists)
- serial.read: /docs/device/read (Markdown: /md/docs/device/read)
- serial.write: /docs/device/write (Markdown: /md/docs/device/write)
- serial.flush: /docs/device/flush (Markdown: /md/docs/device/flush)
- serial.close: /docs/device/close (Markdown: /md/docs/device/close)
- 扫描串口: /docs/device/scan-serial (Markdown: /md/docs/device/scan-serial)
- 串口通信: /docs/device/serial (Markdown: /md/docs/device/serial)
- 常见问题: /docs/device/faq (Markdown: /md/docs/device/faq)

## Process 库
- Process 概述: /docs/process (Markdown: /md/docs/process)
- arg: /docs/process/arg (Markdown: /md/docs/process/arg)
- args: /docs/process/args (Markdown: /md/docs/process/args)
- env: /docs/process/env (Markdown: /md/docs/process/env)
- envs: /docs/process/envs (Markdown: /md/docs/process/envs)
- current_dir: /docs/process/current_dir (Markdown: /md/docs/process/current_dir)
- stdin: /docs/process/stdin (Markdown: /md/docs/process/stdin)
- inherit_stdio: /docs/process/inherit_stdio (Markdown: /md/docs/process/inherit_stdio)
- null_stdio: /docs/process/null_stdio (Markdown: /md/docs/process/null_stdio)
- env_clear: /docs/process/env_clear (Markdown: /md/docs/process/env_clear)
- env_remove: /docs/process/env_remove (Markdown: /md/docs/process/env_remove)
- get_args: /docs/process/get_args (Markdown: /md/docs/process/get_args)
- get_current_dir: /docs/process/get_current_dir (Markdown: /md/docs/process/get_current_dir)
- get_envs: /docs/process/get_envs (Markdown: /md/docs/process/get_envs)
- get_program: /docs/process/get_program (Markdown: /md/docs/process/get_program)
- status: /docs/process/status (Markdown: /md/docs/process/status)
- output: /docs/process/output (Markdown: /md/docs/process/output)
- child: /docs/process/child (Markdown: /md/docs/process/child)
- pid: /docs/process/pid (Markdown: /md/docs/process/pid)
- kill: /docs/process/kill (Markdown: /md/docs/process/kill)
- wait: /docs/process/wait (Markdown: /md/docs/process/wait)
- try_wait: /docs/process/try_wait (Markdown: /md/docs/process/try_wait)
- stdout: /docs/process/stdout (Markdown: /md/docs/process/stdout)
- stdout_read: /docs/process/stdout_read (Markdown: /md/docs/process/stdout_read)
- stdout_read_lines: /docs/process/stdout_read_lines (Markdown: /md/docs/process/stdout_read_lines)
- stderr_read: /docs/process/stderr_read (Markdown: /md/docs/process/stderr_read)
- stderr_read_lines: /docs/process/stderr_read_lines (Markdown: /md/docs/process/stderr_read_lines)
- child_running: /docs/process/child_running (Markdown: /md/docs/process/child_running)

## 桌面开发
- 桌面开发概述: /docs/bt_app (Markdown: /md/docs/bt_app)
- 快速开始: /docs/bt_app/quick-start (Markdown: /md/docs/bt_app/quick-start)
- app.json 配置: /docs/bt_app/app-json (Markdown: /md/docs/bt_app/app-json)
- 入口配置: /docs/bt_app/entry (Markdown: /md/docs/bt_app/entry)
- 运行模式: /docs/bt_app/mode (Markdown: /md/docs/bt_app/mode)
- bt:// 协议: /docs/bt_app/protocol (Markdown: /md/docs/bt_app/protocol)
- 桌面 API: /docs/bt_app/api (Markdown: /md/docs/bt_app/api)
- 打包构建: /docs/bt_app/build (Markdown: /md/docs/bt_app/build)
- 发布分发: /docs/bt_app/release (Markdown: /md/docs/bt_app/release)
- 完整示例: /docs/bt_app/examples (Markdown: /md/docs/bt_app/examples)
- 常见问题: /docs/bt_app/faq (Markdown: /md/docs/bt_app/faq)