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   源码介绍

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    这是一个C语言实现的Json分析器,C语言实现Json操作

#include <stdio.h>
#include "CJSON.h"

int main()
{
	CJSON * pJsonRoot = NULL;

	pJsonRoot = CJSON_CreateObject();
	if(NULL == pJsonRoot)
	{
		//error happend here
		return 0;
	}
	CJSON_AddStringToObject(pJsonRoot, "hello", "hello world");
	CJSON_AddNumberToObject(pJsonRoot, "number", 10010);
	CJSON_AddBoolToObject(pJsonRoot, "bool", 1);
	CJSON * pSubJson = NULL;
	pSubJson = CJSON_CreateObject();
	if(NULL == pSubJson)
	{
		// create object faild, exit
		CJSON_Delete(pJsonRoot);
		return 0;
	}
	CJSON_AddStringToObject(pSubJson, "subjsonobj", "a sub json string");
	CJSON_AddItemToObject(pJsonRoot, "subobj", pSubJson);

	char * p = CJSON_Print(pJsonRoot);
	if(NULL == p)
	{
		//convert json list to string faild, exit
		//because sub json pSubJson han been add to pJsonRoot, so just delete pJsonRoot, if you also delete pSubJson, it will coredump, and error is : double free
		CJSON_Delete(pJsonRoot);
		return 0;
	}
	printf("%s\n", p);

	return 0;
}