levelDB遍历问题

2012-12-28 09:56:24 280 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

泛微E9统一待办接口说明需要第三方表单，在提交自己的流程后，通过【window.location.href=‘oa地址/workflow/request/ViewRequestOS.jsp?需要第三方表单，在提交自己的流程后，通过【window.location.href=‘oa地址/workflow/workflow/WfRefreshList.jsp’】通过中转页面与第三方系统对接，按照第三系统的验证方式开发中转页面中的程序。C）第三方根据相同的数据加密，结果一致就认证成功，打开流程。优点：可以灵活的对接各个系统。阅读详情

有码有真相：

// test.cpp : Defines the entry point for the console application.

//



#include <tchar.h>

#include <stdio.h>

#include <Windows.h>

#include <iostream>

#include <conio.h>

#include <stdio.h>

#include <stdlib.h>

#include "leveldb.h"

#include <boost/lexical_cast.hpp>

using std::cout;

using std::endl;

//

#if defined _DEBUG



#if defined LEVELDB_DLL

#pragma comment(lib,"..\\_exports\\DebugDll\\leveldb_d.lib")

#else

#pragma comment(lib,"..\\_exports\\Debug\\leveldb_d.lib")

#endif



#else



#if defined LEVELDB_DLL

#pragma comment(lib,"..\\_exports\\ReleaseDll\\leveldb.lib")

#else

#pragma comment(lib,"..\\_exports\\Release\\leveldb.lib")

#endif



#endif





#define DB_BENCH



#if defined LEVELDB_DLL

#undef DB_BENCH

#undef DB_TEST

#endif



void WriteDb(leveldb::DB* db)

{

    const char* Content = "We now decided that after three years it might";

    char Buff[10];

    ZeroMemory(Buff,sizeof(Buff));

    leveldb::WriteOptions wo;

    wo.sync = false;

    for(int i = 0 ; i < 20 ;i++)

	{

        _itoa_s(i,Buff,10);



        leveldb::Status s = db->Put(wo,Buff,Content);

    }

}



void ReadDb(leveldb::DB* db)

{

	leveldb::Iterator* it = db->NewIterator(leveldb::ReadOptions());

	for (it->SeekToFirst(); it->Valid(); it->Next()) 

	{

		cout << it->key().ToString() << ": "  << it->value().ToString() << endl;

//这里出现了无限循环，纳闷了，不应该啊，难道我用的版本有问题？

	}

}



int main()

{

	leveldb::DB* db;

	leveldb::Options options;

	options.create_if_missing = true;

	leveldb::Status status = leveldb::DB::Open(options, "/tmp/testdb", &db);

	assert(status.ok());

	WriteDb(db);

	ReadDb(db);

}