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cJSON源码，为c语言编写，里面含有测试案例,需要用的自取。可以创建json字符串。 ## Usage ### Welcome to cJSON. cJSON aims to be the dumbest possible parser that you can get your job done with. It's a single file of C, and a single header file. JSON is described best here: http://www.json.org/ It's like XML, but fat-free. You use it to move data around, store things, or just generally represent your program's state. As a library, cJSON exists to take away as much legwork as it can, but not get in your way. As a point of pragmatism (i.e. ignoring the truth), I'm going to say that you can use it in one of two modes: Auto and Manual. Let's have a quick run-through. I lifted some JSON from this page: http://www.json.org/fatfree.html That page inspired me to write cJSON, which is a parser that tries to share the same philosophy as JSON itself. Simple, dumb, out of the way. ### Building There are several ways to incorporate cJSON into your project. #### copying the source Because the entire library is only one C file and one header file, you can just copy `cJSON.h` and `cJSON.c` to your projects source and start using it. cJSON is written in ANSI C (C89) in order to support as many platforms and compilers as possible. #### CMake With CMake, cJSON supports a full blown build system. This way you get the most features. CMake with an equal or higher version than 2.8.5 is supported. With CMake it is recommended to do an out of tree build, meaning the compiled files are put in a directory separate from the source files. So in order to build cJSON with CMake on a Unix platform, make a `build` directory and run CMake inside it. ``` mkdir build cd build cmake .. ``` This will create a Makefile and a bunch of other files. You can then compile it: ``` make ``` And install it with `make install` if you want. By default it installs the headers `/usr/local/include/cjson` and the libraries to `/usr/local/lib`. It also installs files for pkg-config to make it ea