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---
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ArduinoJson is a C++ JSON library for Arduino and IoT (Internet Of Things).
## Features
* JSON decoding (comments are supported)
* JSON encoding (with optional indentation)
* Elegant API, easy to use
* Fixed memory allocation (zero malloc)
* No data duplication (zero copy)
* Portable (written in C++98, can be used in any C++ project)
* Self-contained (no external dependency)
* Small footprint
* Input and output streams
* [100% code coverage](https://coveralls.io/github/bblanchon/ArduinoJson)
* [Header-only library](https://en.wikipedia.org/wiki/Header-only)
* [MIT License](https://en.wikipedia.org/wiki/MIT_License)
* [Comprehensive documentation](https://arduinojson.org?utm_source=github&utm_medium=readme)
## Compatibility
ArduinoJson works on the following hardware:
* <img src="https://www.arduino.cc/favicon.ico" height="16" width="16"> Arduino boards: [Uno](https://www.arduino.cc/en/Main/ArduinoBoardUno), [Due](https://www.arduino.cc/en/Main/ArduinoBoardDue), [Mini](https://www.arduino.cc/en/Main/ArduinoBoardMini), [Micro](https://www.arduino.cc/en/Main/ArduinoBoardMicro), [Yun](https://www.arduino.cc/en/Main/ArduinoBoardYun)...
* <img src="http://espressif.com/sites/all/themes/espressif/favicon.ico" height="16" width="16"> Espressif chips: [ESP8266](https://en.wikipedia.org/wiki/ESP8266), [ESP32](https://en.wikipedia.org/wiki/ESP32)
* <img src="https://www.wemos.cc/themes/martin-materialize-parallax/assets/favicon.ico" height="16" width="16"> WeMos boards: [D1](https://wiki.wemos.cc/products:d1:d1), [D1 mini](https://wiki.wemos.cc/products:d1:d1_mini), ...
* <img src="http://redbearlab.com/favicon.ico" height="16" width="16"> RedBearLab boards: [BLE Nano](http://redbearlab.com/blenano/), [BLE Mini](http://redbearlab.com/blemini/), [WiFi Micro](https://redbear.cc/product/wifi/wifi-micro.html), [LOLIN32](https://wiki.wemos.cc/products:lolin32:lolin32)...
* <img src="https://www.pjrc.com/favicon.ico" height="16" width="16"> [Teensy](https://www.pjrc.com/teensy/) boards
* <img src="https://software.intel.com/sites/all/themes/zero/favicon.ico" height="16" width="16"> Intel boards: Edison, Galileo...
* <img src="https://www-assets.particle.io/images/favicon.png" height="16" width="16"> Particle boards: [Photon](https://www.particle.io/products/hardware/photon-wifi-dev-kit), [Electron](https://www.particle.io/products/hardware/electron-cellular-dev-kit)...
* <img src="http://www.ti.com/favicon.ico" height="16" width="16"> Texas Instruments boards: [MSP430](http://www.ti.com/microcontrollers/msp430-ultra-low-power-mcus/overview/overview.html)...
ArduinoJson compiles with zero warning on the following compilers, IDEs, and platforms:
* <img src="https://www.arduino.cc/favicon.ico" height="16" width="16"> [Arduino IDE](https://www.arduino.cc/en/Main/Software)
* <img src="http://cdn.platformio.org/favicon.ico" height="16" width="16"> [PlatformIO](http://platformio.org/)
* <img src="http://energia.nu/img/favicon.ico" height="16" width="16"> [Energia](http://energia.nu/)
* <img src="http://www.visualmicro.com/pics/arduino-visual-studio-ld.png" height="16" width="16"> [Visual Micro](http://www.visualmicro.com/)
* <img src="http://www.atmel.com/Images/favicon.ico" height="16" width="16"> [Atmel Studio](http://www.atmel.com/microsite/atmel-studio/)
* <img src="https://www.iar.com/favicon.ico" height="16" width="16"> [IAR Embedded Workbench](https://www.iar.com/iar-embedded-workbench/)
* <img src="http://www.st.com/etc/clientlibs/st-site/media/app/images/favicon.png" height="16" width="16"> [Atollic TrueSTUDIO](https://atollic.com/truestudio/)
* <img src="http://www.keil.com/favicon.ico" height="16" width="16"> [Keil uVision](http://www.keil.com/)
* <img src="http://www.microchip.com/favicon.ico" height="16" width="16"> [MPLAB X IDE](http://www.microchip.com/mplab/mplab-x-ide)
* <img src="https://gcc.gnu.org/favicon.ico" height="16" width="16"> [GCC](https://gcc.gnu.org/)
* <img src="https://clang.llvm.org/favicon.ico" height="16" width="16"> [Clang](https://clang.llvm.org/)
* <img src="https://www.visualstudio.com/favicon.ico" height="16" width="16"> [Visual Studio](https://www.visualstudio.com/)
## Quickstart
### Deserialization
Here is a program that parses a JSON document with ArduinoJson.
```c++
char json[] = "{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
StaticJsonBuffer<200> jsonBuffer;
JsonObject& root = jsonBuffer.parseObject(json);
const char* sensor = root["sensor"];
long time = root["time"];
double latitude = root["data"][0];
double longitude = root["data"][1];
```
See the [tutorial on arduinojson.org](https://arduinojson.org/doc/decoding/?utm_source=github&utm_medium=readme)
### Serialization
Here is a program that generates a JSON document with ArduinoJson:
```c++
StaticJsonBuffer<200> jsonBuffer;
JsonObject& root = jsonBuffer.createObject();
root["sensor"] = "gps";
root["time"] = 1351824120;
JsonArray& data = root.createNestedArray("data");
data.add(48.756080);
data.add(2.302038);
root.printTo(Serial);
// This prints:
// {"sensor":"gps","time":1351824120,"data":[48.756080,2.302038]}
```
See the [tutorial on arduinojson.org](https://arduinojson.org/doc/encoding/?utm_source=github&utm_medium=readme)
## Documentation
The documentation is available on [arduinojson.org](https://arduinojson.org/?utm_source=github&utm_medium=readme), here are some shortcuts:
* The [Examples](https://arduinojson.org/example/?utm_source=github&utm_medium=readme) show how to use the library in various situations.
* The [API Reference](https://arduinojson.org/api/?utm_source=github&utm_medium=readme) contains the description of each class and function.
* The [FAQ](https://arduinojson.org/faq/?utm_source=github&utm_medium=readme) has the answer to virtually every question.
* The [ArduinoJson Assistant](https://arduinojson.org/assistant/?utm_source=github&utm_medium=readme) writes programs for you!
---
Do you like this library? Please [star this project on GitHub](https://github.com/bblanchon/ArduinoJson/stargazers)!
What? You don't like it but you *love* it?
We don't take donations anymore, but [we sell a book](https://arduinojson.org/book/?utm_source=github&utm_medium=readme), so you can help and learn at the same time!
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微信小程序--阿里云--esp8266.zip(皆可应用在毕设/课设/大作业/实训/竞赛/项目开发) (362个子文件)
P521.cpp 55KB
Curve25519.cpp 55KB
KeccakCore.cpp 51KB
RNG.cpp 35KB
BigNumberUtil.cpp 22KB
Ed25519.cpp 22KB
VarSpeedServo.cpp 19KB
GF128.cpp 17KB
PubSubClient.cpp 17KB
XTS.cpp 14KB
AESCommon.cpp 13KB
Poly1305.cpp 11KB
AES256.cpp 11KB
BLAKE2b.cpp 10KB
AES128.cpp 10KB
GCM.cpp 10KB
BLAKE2s.cpp 10KB
SHA512.cpp 9KB
ChaCha.cpp 9KB
EAX.cpp 8KB
connect_spec.cpp 8KB
SHA256.cpp 8KB
parseArray.cpp 7KB
vla.cpp 7KB
XOF.cpp 7KB
CTR.cpp 7KB
std_string.cpp 7KB
unsigned_char.cpp 6KB
compare.cpp 6KB
receive_spec.cpp 6KB
OMAC.cpp 6KB
as.cpp 5KB
Hash.cpp 5KB
Cipher.cpp 5KB
parseFloat.cpp 5KB
AuthenticatedCipher.cpp 5KB
subscript.cpp 5KB
keepalive_spec.cpp 5KB
publish_spec.cpp 5KB
parseObject.cpp 5KB
subscribe_spec.cpp 5KB
gbathree.cpp 5KB
ChaChaPoly.cpp 5KB
GHASH.cpp 4KB
round_trip.cpp 4KB
NoiseSource.cpp 4KB
BlockCipher.cpp 4KB
Crypto.cpp 4KB
ShimClient.cpp 4KB
set.cpp 4KB
SHA3.cpp 4KB
deprecated.cpp 4KB
aliyun_mqtt.cpp 3KB
SHAKE.cpp 3KB
subscript.cpp 3KB
AES192.cpp 3KB
writeFloat.cpp 3KB
add.cpp 3KB
set_get.cpp 3KB
is.cpp 3KB
set.cpp 2KB
printTo.cpp 2KB
printTo.cpp 2KB
parseArray.cpp 2KB
AESEsp32.cpp 2KB
std_stream.cpp 2KB
subscript.cpp 2KB
parseInteger.cpp 2KB
parse.cpp 2KB
alloc.cpp 2KB
parseObject.cpp 2KB
or.cpp 2KB
nestingLimit.cpp 2KB
nested.cpp 2KB
isFloat.cpp 2KB
copyFrom.cpp 2KB
prettyPrintTo.cpp 2KB
prettyPrintTo.cpp 1KB
createObject.cpp 1KB
remove.cpp 1KB
copy.cpp 1KB
copyTo.cpp 1KB
printTo.cpp 1KB
iterator.cpp 1KB
undefined.cpp 1KB
StringBuilder.cpp 1KB
writeString.cpp 1KB
FloatParts.cpp 1KB
alloc.cpp 1KB
BDDTest.cpp 1KB
no_memory.cpp 1KB
startString.cpp 1KB
startString.cpp 1KB
TypeTraits.cpp 1KB
createArray.cpp 1KB
success.cpp 1KB
IPAddress.cpp 927B
size.cpp 904B
remove.cpp 896B
iterator.cpp 837B
共 362 条
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- weixin_577431522024-05-30资源使用价值高,内容详实,给了我很多新想法,感谢大佬分享~
阿齐Archie
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