自己写的一个操作Mysql的简单的实例

#include <WinSock.h>

#include <stdio.h>

#include <iostream>

#include <windows.h>

#include "include/mysql.h"

#pragma comment(lib,"libmySQL.lib")

using namespace std;

int main()

{

int ret;

char column[32][32];

char datatable[255];

MYSQL MysqlTemp;

MYSQL_RES * result;

MYSQL_FIELD *fd;

MYSQL_ROW sql_row;

/***************************************初始化数据库******************************/

mysql_init(&MysqlTemp);

/***************************************链接数据库******************************/

if(!mysql_real_connect(&MysqlTemp,"localhost","root","123456","test",3306,NULL,0))

{   //printf("Mysql conect fail!");

//AfxMessageBox(_T("数据库连接失败!"));

MessageBox(NULL,"数据库连接失败!","消息",MB_OK);

mysql_close(&MysqlTemp);

return -1;

}

/***************************************选定数据库******************************/

if(mysql_select_db(&MysqlTemp,"test"))

{

MessageBox(NULL,"选择数据库失败!","消息",MB_OK);

return -1;

}

/***************************************创建数据库******************************/

//sprintf(datatable,"CREATE database temp2;");

//mysql_query(&MysqlTemp,datatable);//查询

/***************************************选定数据库******************************/

////sprintf(datatable,"use temp2;");

////mysql_query(&MysqlTemp,datatable);//查询

/***************************************选定数据库 功能同上******************************/

//if(mysql_select_db(&MysqlTemp,"temp2"))

//{

// MessageBox(NULL,"选择数据库失败!","消息",MB_OK);

// return -1;

//}

/***************************************在数据库新建数据表******************************/

sprintf(datatable,"create table if not exists MyClass(id int(4) NOT NULL  auto_increment,\

name char(20) NOT NULL,\

sex int(4) NOT NULL default '0',\

degree int(4),\

PRIMARY KEY(id))ENGINE=InnoDB;");

mysql_query(&MysqlTemp,datatable);

if(mysql_errno(&MysqlTemp)==1050)//查询

{

MessageBox(NULL,"数据表已存在!","消息",MB_OK);

return -1;

}

//memset(datatable,0,255);

/***************************************在表中插入数据******************************/

sprintf(datatable,"insert into MyClass values(7,'Tom',96,89),(8,'Jame',44,67),(9,'Honey',32,12);");

if(mysql_query(&MysqlTemp,datatable))//查询

{

MessageBox(NULL,"插入数据失败!","消息",MB_OK);    return -1;

}

sprintf(datatable,"SELECT * FROM MyClass;");

ret =  mysql_query(&MysqlTemp,datatable);

if (!ret)

{

result = mysql_store_result(&MysqlTemp);

if (result)

{

int i,j;

cout<<"**************************数据表操作结果**********************"<<endl;

//获取具体的查询结果的列名，如果没有指定字段偏移量，则下一个尚未被 mysql_fetch_field() 取得的字段被提取。

for(i=0;fd = mysql_fetch_field(result);i++)

{

strcpy(column[i],fd->name);

}

//获取具体的查询结果的列数

j = mysql_num_fields(result);

for(i=0;i<j;i++)

{

printf("%s\t",column[i]);

}

printf("\n");

//获取具体的查询结果的行，检索一个结果集合的下一行

while (sql_row = mysql_fetch_row(result))

{

for (i=0;i<j;i++)

{

printf("%s\t",sql_row[i]);

}

printf("\n");

}

}

}

return 0;

}