windows下C++连接mysql

平台：windows c/c++

编译器：vs2017

项目设置：项目属性页：

1.C/C++ ->常规->附加包含目录->C:\Program Files (x86)\MySQL\MySQL Connector C 6.1\include 这里是我的目录，具体找自己安装目录下的include

2.链接器->常规->附加库目录->C:\Program Files (x86)\MySQL\MySQL Connector C 6.1\lib

3.链接器->输入->附加依赖项->libmysql.lib

配置完成。

测试代码：

#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <stdlib.h>
#include "mysql.h"
#include <string>

using namespace std;

int main(int argc,char* argv[])
{
 MYSQL mysql; //必备的数据结构
 //初始化数据结构
 MYSQL* sqlinit=mysql_init(&mysql);
 if (sqlinit == NULL)
 {
  cout << "mysql init failed!" << endl;
  return -1;
 }
 //初始化数据库 int STDCALL mysql_server_init(int argc, char **argv, char **groups);
 if (0 == mysql_server_init(argc, argv, 0))
 {
  cout << "mysql_server_init succeed!" << endl;
 }
 else
 {
  cout << "mysql_server_init failed!" << endl;
  return -2;
 }
 //设置连接选项  避免中文无法处理
 // mysql_option 枚举类型
 if (0 == mysql_options(&mysql, MYSQL_SET_CHARSET_NAME, "gbk"))
 {
  cout << "mysql_options succeed!" << endl;
 }
 else
 {
  cout << "mysql_option failed!" << endl;
  return -3;
 }
 //连接数据库
 if (NULL != mysql_real_connect(&mysql, "localhost", "root", "123456", "test", 3306, NULL, 0))
 {
  cout << "mysql connect succeed" << endl;
 }
 else
 {
  cout << "mysql connect failed" << endl;
  return -4;
 }
 //strsql 用于储存Sql语句
 string strsql;
 strsql = "CREATE TABLE IF NOT EXISTS `testtable2`(";
 strsql += "`runoob_id` INT UNSIGNED AUTO_INCREMENT,";
 strsql += "`runoob_title` VARCHAR(100) NOT NULL,";
 strsql += "`runoob_author` VARCHAR(40) NOT NULL,";
 strsql += "`submission_date` DATE,";
 strsql += "PRIMARY KEY(`runoob_id`)";
 strsql += ")ENGINE = InnoDB DEFAULT CHARSET = utf8; ";
 if (0 == mysql_query(&mysql, strsql.c_str()))
 {
  cout << "mysql_query succeed!" << endl;
 }
 else
 {
  cout << "mysql_query failed!" << endl;
  return -5;
 }
 //向表中插入数据
 char buf[1024];

//strsql = "INSERT INTO testtable2 (runoob_id, runoob_title,runoob_author,submission_date)VALUES(0, 'MYSQL', 'Orcale', '2017-6-9'); ";
 sprintf(buf, "INSERT INTO testtable2 (runoob_id, runoob_title,runoob_author,submission_date)VALUES(%d, 'MYSQL', 'Orcale', '2017-6-9'); ", 0);
 if (0 == mysql_query(&mysql, buf))
 {
  cout << "mysql_query succeed!" << endl;
 }
 else
 {
  cout << "mysql_query failed!" << endl;
  return -5;
 }

//查询
 string query;
 MYSQL_RES* result = NULL;
 query = "select *from testtable1 where runoob_id=1";
 if (0 == mysql_query(&mysql, query.c_str()))
 {
  cout << "mysql_query succeed!" << endl;

result=mysql_store_result(&mysql);
  //取得并打印行数
  my_ulonglong rowcount = mysql_num_rows(result);
  cout << "row count: " << rowcount << endl;
  //取得各个字段
  unsigned int fieldcount = mysql_field_count(&mysql);
  for (unsigned int i = 0; i < fieldcount; i++)
  {
   MYSQL_FIELD* field = mysql_fetch_field_direct(result, i);
   cout << field->name << i << endl;
  }
 }
 else
 {
  cout << "mysql_query failed" << endl;
  mysql_close(&mysql);
  return -6;
 }
 //清理
 mysql_free_result(result);
 mysql_close(&mysql);
 mysql_server_end();
 system("pause");
 return 0;
}