//?ConsoleApplication1.cpp?:?Defines?the?entry?point?for?the?console?application.
//

#include?“stdafx.h“
#include?
#include?
#include?
#include?
#include?
#include?
#include?

using?namespace?std;

/**********************************************************************/
void?UnicodeToUTF8（char?*utf?wchar_t*?wszString）
{
	//預轉換，得到所需空間的大小??
	int?u8Len?=?::WideCharToMultiByte（CP_UTF8?NULL?wszString?wcslen（wszString）?NULL?0?NULL?NULL）;
	//同上，分配空間要給‘\0‘留個空間??
	//UTF8雖然是Unicode的壓縮形式，但也是多字節字符串，所以可以以char的形式保存??
	//轉換????//unicode版對應的strlen是wcslen??
	::WideCharToMultiByte（CP_UTF8?NULL?wszString?wcslen（wszString）?utf?u8Len?NULL?NULL）;
	//最后加上‘\0‘??
	utf[u8Len]?=?‘\0‘;
}


#if?1
int?_tmain（int?argc?_TCHAR*?argv[]）
{
	mongoc_collection_t?*collection;
	bson_error_t?error;
	bson_t?*doc;?/*文檔名稱doc*/
	const?bson_t?*doc_qurey;
	bson_t??child;
	const?char?*uristr?=?“mongodb://localhost:27017“;?/*mongodb地址*/
	const?char?*collection_name?=?“col“;?/*集合名稱test*/
	time_t?????now?=?time（0）;
	char???????timebuf[256]?=?{};
	struct??tm??cur_time;
	
	char???*str;
	//bson_t?*query;
	mongoc_cursor_t?*cursor;
	bson_t?query;
	bson_t?child2?child3;
	localtime_s（&cur_time?&now）;/*獲取本地當前時間*/
	strftime（timebuf?sizeof（timebuf）?“%Y-%m-%d?%H:%M:%S“?&cur_time）;/*格式化時間*/
	const?char?*optime?=?timebuf;

	//先調用mongoc_init（），libmongoc?的任何其他功能才能正確使用
	mongoc_init（）;/*初始化*/

	//?Create?a?new?client?instance	
	mongoc_client_t?*client?=?mongoc_client_new（uristr）;?/*連線到db?*/
	if?（NULL?==?client）?{
		fprintf（stderr?“Failed?to?parse?URI.\n“）;
		return?EXIT_FAILURE;
	}
	mongoc_client_set_error_api（client?2）;
	//獲取集合名
	collection?=?mongoc_client_get_collection（client?“test“?collection_name）;/*獲取集合*/
	/******************寫入操作例子如下:************************/
	doc?=?bson_new（）;	
	BSON_APPEND_UTF8（doc?“Titile“?“Test123?“）;	
	BSON_APPEND_UTF8（doc?“Nowtime“?optime）;

	//開始一個子文檔
	BSON_APPEND_DOCUMENT_BEGIN（doc?“subdoc“?&child）;
	BSON_APPEND_UTF8（&child?“subkey“?“value“）;
	bson_append_document_end（doc?&child）;

	double?dval?=?12.34;
	char?*tm_sample?=?“2018:30“;
	char?buf_json[64]?=?{?0?};
	sprintf_s（buf_json?“[{\“sample_time\“:\“%s\“\“sample_value\“:\“%.2f\“}]“?tm_sample?dval）;
	bson_t?*bt_arrayOfSample?=?bson_new_from_json（（const?uint8_t?*）buf_json
		strlen（buf_json）?&error）;
	BSON_APPEND_ARRAY（doc?“arrayOfSample“?bt_arrayOfSample）;

	size_t?err_offset;
	if?（!bson_validate（doc?BSON_VALIDATE_NONE?&err_offset））?{
		fprintf（stderr
			“The?document?failed?to?validate?at?offset:?%u\n“
			（unsigned）err_offset）;
	}

	/*將bson文檔插入到集合*/
	if?（!mongoc_collection_insert（collection?MONGOC_INSERT_NONE?doc?NULL?&error））
	{
		fprintf（stderr?“%s\n“?error.message）;
	}

	/**************************************批量寫入操作例子如下:*************************************/
	enum?N?{?ndocs?=?4?};
	bson_t?*docs_bulk[ndocs];
	mongoc_bulk

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-19?17:20??MongoDB_Smaples\
?????目錄???????????0??2018-03-19?16:24??MongoDB_Smaples\mongo-c-driver\
?????目錄???????????0??2018-03-19?16:24??MongoDB_Smaples\mongo-c-driver\include\
?????目錄???????????0??2018-03-19?16:24??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\
?????文件???????10939??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bcon.h
?????文件????????2836??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-atomic.h
?????文件????????1007??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-clock.h
?????文件????????3741??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-compat.h
?????文件????????2770??2018-02-28?11:14??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-config.h
?????文件????????1101??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-context.h
?????文件????????1662??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-decimal128.h
?????文件????????6474??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-endian.h
?????文件????????1147??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-error.h
?????文件???????12473??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-iter.h
?????文件????????2216??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-json.h
?????文件?????????928??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-keys.h
?????文件????????7327??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-macros.h
?????文件????????2837??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-md5.h
?????文件????????1687??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-memory.h
?????文件????????6107??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-oid.h
?????文件????????3431??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-reader.h
?????文件????????7857??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-stdint-win32.h
?????文件??????????21??2018-02-28?11:14??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-stdint.h
?????文件????????2461??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-string.h
?????文件???????17705??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-types.h
?????文件????????1276??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-utf8.h
?????文件?????????898??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-value.h
?????文件????????1175??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-version-functions.h
?????文件????????2500??2018-02-28?11:14??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-version.h
?????文件????????1751??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson-writer.h
?????文件???????33300??2018-02-26?12:02??MongoDB_Smaples\mongo-c-driver\include\libbson-1.0\bson.h
............此處省略67個文件信息