#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include "sql.h"
#include "sqltypes.h"
#include "sqlext.h"
#include"sqlucode.h"
#include"odbcinst.h"
#include<iostream>
#include<string>
using namespace std;
RETCODE retcode;//结果返回集
SQLHDBC hdbc;//定义链接句柄
void SQL(string);//执行 SQL 语句子程序
int main()
{
string str;
SQLHANDLE henv; //定义环境句柄
unsigned char SY[]="gtxtitan";//ODBC 数据源名称
unsigned char db2[]="root";//用户名
unsigned char pass[]="arrow";//密码 //分配 ODBC 环境
retcode=SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv);
if(retcode==SQL_SUCCESS||retcode==SQL_SUCCESS_WITH_INFO) //声明环境
retcode=SQLSetEnvAttr(henv, SQL_ATTR_ODBC_VERSION,(void*)SQL_OV_ODBC3, 0);
if(retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
retcode = SQLAllocHandle(SQL_HANDLE_DBC, henv, &hdbc); //分配连接句柄
if(retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
retcode=SQLConnect(hdbc,SY,SQL_NTS,db2,SQL_NTS,pass,SQL_NTS);//链接
if(retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
{
while(1)
{
cout<<"请输入语句:"<<endl;
getline(cin,str);
if(str=="exit") return 0;
SQL(str);
}
}
SQLFreeConnect(hdbc); ////释放链接句柄
SQLFreeEnv(henv); // 释放 ODBC 环境句柄
system("pause");
return 0;
}
void SQL(string aaa)
{
char L1[50]={'\0'};
char L2[50]={'\0'};
char L3[50]={'\0'};
char L4[50]={'\0'};
char L5[50]={'\0'};
char L6[50]={'\0'};
SQLLEN lenOut1,lenOut2,lenOut3,lenOut4,lenOut5,lenOut6;
SQLHSTMT hstmt;//定义语句句柄
retcode=SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt); //分配语义句柄
if(retcode==SQL_SUCCESS)
{
retcode=SQLExecDirect(hstmt,(SQLCHAR *)(aaa.c_str()),SQL_NTS);
if(retcode == SQL_SUCCESS||retcode == SQL_SUCCESS_WITH_INFO)
{
//将结果集中的属性列一一绑定至变量
retcode=SQLBindCol(hstmt,1,SQL_C_CHAR,L1,sizeof(L1),&lenOut1);
retcode=SQLBindCol(hstmt,2,SQL_C_CHAR,L2,sizeof(L2),&lenOut2);
retcode=SQLBindCol(hstmt,3,SQL_C_CHAR,L3,sizeof(L3),&lenOut3);
retcode=SQLBindCol(hstmt,4,SQL_C_CHAR,L4,sizeof(L4),&lenOut4);
retcode=SQLBindCol(hstmt,5,SQL_C_CHAR,L5,sizeof(L5),&lenOut5);
retcode=SQLBindCol(hstmt,6,SQL_C_CHAR,L6,sizeof(L6),&lenOut6); //把所有捆绑过的数据字段的数据拷贝到相应的缓冲区
retcode=SQLFetch(hstmt);
while(retcode == SQL_SUCCESS||retcode == SQL_SUCCESS_WITH_INFO)
{
if(L2[0]=='\0')
cout<<(string)L1<<endl;
else if(L3[0]=='\0')
cout<<(string)L1<<"\t"<<(string)L2<<endl;
else if(L4[0]=='\0')
cout<<(string)L1<<" "<<(string)L2<<" "<<(string)L3<<endl;
else if(L5[0]=='\0')
cout<<(string)L1<<" "<<(string)L2<<" "<<(string)L3<<" "<<(string)L4<<endl;
else if(L6[0]=='\0')
cout<<(string)L1<<" "<<(string)L2<<" "<<(string)L3<<" "<<(string)L4<<" "<<(string)L5<<endl;
else
cout<<(string)L1<<" "<<(string)L2<<" "<<(string)L3<<" "<<(string)L4<<" "<<(string)L5<<" "<<(string)L6<<endl;
retcode=SQLFetch(hstmt);
}
}
}
SQLFreeStmt(hstmt,SQL_DROP); //释放语句句柄
}
