C连接SQLite

// checkusername.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"

//sqlite3_exec的重载，避免穿那么多用不到的参数(纯C没有重载)
SQLITE_API int sqlite3_exec(sqlite3* db,const char *sql)
{
 char *zErrMsg = 0;
 return sqlite3_exec(db, sql, NULL, NULL, &zErrMsg);
}

int _tmain(int argc, _TCHAR* argv[])
{
 printf("Contenttype:text/html\n\n"); //根据HTTP协议，这里一定要有个空行。

 sqlite3 *db; 
    int rc;
    rc = sqlite3_open("D:\\greeninstall\\tinywebserver\\wwwroot\\rp.db3", &db);
    if( rc!=SQLITE_OK  )
 {
        printf( "Can't open database: %s\n", sqlite3_errmsg(db));
        sqlite3_close(db);
        return -1;
    }
 /*rc = sqlite3_exec(db, "Insert into T_User(username,password) values('admin','123')");
 if( rc !=SQLITE_OK )
 {
        printf("Can't open database: %s\n", sqlite3_errmsg(db));
        sqlite3_close(db);
        return -1;
    }*/

    sqlite3_stmt *pStmt;
   
    //建立过程
 rc = sqlite3_prepare(db, "select * from T_User where password=?", -1, &pStmt, 0);
    if(rc != SQLITE_OK){
        printf( "execute sql error: %s\n", sqlite3_errmsg(db));
        sqlite3_close(db);
        return -1;
    }
   
    //绑定参数
 if(sqlite3_bind_text(pStmt, 1, "123",-1,SQLITE_STATIC) != SQLITE_OK){
        printf( "sqlite3_bind_int error: %s\n", sqlite3_errmsg(db));
        goto test_exit;
    }
   
    // 多次执行过程
    while(sqlite3_step(pStmt)!=SQLITE_DONE){
  const unsigned char* name = sqlite3_column_text(pStmt,1);
     const unsigned char* password = sqlite3_column_text(pStmt,2);
  printf("%s=%s\n",name,password);
    }
   
test_exit:   
    if(sqlite3_finalize(pStmt) != SQLITE_OK){
        printf( "testPrepareStmt-sqlite3_finalize");
    }

    sqlite3_close(db);
 printf("ok");
 return 0;
}