c语言mysql编程

直接套用框架
1\ VS的环境需要注意
2\ 头文件的顺序需要注意

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

#include "stdafx.h"

#include <stdio.h>
#include <stdlib.h>
#include <WinSock2.h> //Socket，连接MySQL也需要用的
#pragma comment(lib,"ws2_32.lib")

#include <mysql.h>  //包含MySQL所需要的头文件

//download:http://dev.mysql.com/downloads/connector/

MYSQL mysql, *sock;   //声明MySQL的句柄

int main(void)
{ 
	const char * host = "127.0.0.1";  //因为是作为本机测试，所以填写的是本地IP
	const char * user = "root";		  //这里改为你的用户名，即连接MySQL的用户名
	const char * passwd = "root"; //这里改为你的用户密码
	const char * db = "student";      //这里改为你要连接的数据库的名字
	unsigned int port = 3306;           //这是MySQL的服务器的端口，如果你没有修改过的话就是3306。
	const char * unix_socket = NULL;    //unix_socket这是unix下的，我在Windows下，所以就把它设置为NULL
	unsigned long client_flag = 0;      //这个参数一般为0

	char * i_query = new char[1024];
	if (i_query==NULL)
	{
		return 0;
	}
	memset(i_query,0,1024);

	MYSQL_RES * result;                          //保存结果集的
	MYSQL_ROW row;                               //代表的是结果集中的一行

	mysql_init(&mysql);                          //连接之前必须使用这个函数来初始化
	if ( (sock = mysql_real_connect(&mysql, host, user, passwd, db, port, unix_socket, client_flag) ) == NULL ) //连接MySQL
	{
		printf("连接失败，原因是: \n");
		fprintf(stderr, " %s\n", mysql_error(&mysql));
		exit(1);
	}
	else
	{
		fprintf(stderr, "连接MySQL成功！！\n");
	}

	int n;
	printf("please input 0,1,2,3 to choose services: "
		"insert,select,update,delete:\n");
	scanf_s("%d",&n);

	if (n==0)
	{
		char *name=new char[50],*sex=new char,*birthday=new char[50];
		char *phone=new char[16],*native=new char[50];
		int admissiondate;
		printf("please input the student name,sex(M/F),birthdaydate,"
			"phone,admissiondate,nativeplace.\n"
			"(ex:Coco,F,1000-10-10 00:00:00,12345678912,2000,BeiJing)\n");//“,”处需要回车
		//		scanf_s("%s,%c,%s,%s,%d,%s",&name,&sex,&birthday,&phone,&admissiondate,&native);

		scanf_s("%s",name,50);
		fflush(stdin);
		scanf_s("%c",sex,1);
		fflush(stdin);
		gets_s(birthday,50);
		gets_s(phone,16);
		scanf_s("%d",&admissiondate);
		fflush(stdin);
		gets_s(native,50);

		sprintf_s(i_query,1024,"insert into student_basic(name,sex,birthdaydate,"
			"phone,admissiondate,nativeplace) values(\'%s\',\'%c\',"
			"\'s\',\'%s\',\'%d\'\'%s\')",
			name,sex,birthday,phone,admissiondate,native);


		if (mysql_query(&mysql,i_query)!=0)
		{
			fprintf(stderr,"插入失败！\n");
			exit(1);
		} 
		else
		{
			fprintf(stderr,"插入成功！\n");
		}

	}
	else if(n==1)
	{
		if ( mysql_query(&mysql, i_query) != 0 )       //如果连接成功，则开始查询
		{
			fprintf(stderr, "查询失败！\n");
			exit(1);
		}
		else
		{
			if ( (result = mysql_store_result(&mysql)) == NULL ) //保存查询的结果
			{
				fprintf(stderr, "保存结果集失败！\n");
				exit(1);
			}
			else
			{
				//row就是查询出来之后的每一行的记录
				//row[0].....row[n]对应的每一行中某一列的记录
				//row[i]对应的类型都是字符串
				while ( (row = mysql_fetch_row(result)) != NULL ) //读取结果集中的数据，返回的是下一行。因为保存结果集时，当前的游标在第一行【之前】
				{
					printf("id is %s\t\n", row[0]);               //打印当前行的第一列的数据
					printf("name is %s\t\n", row[1]);              //打印当前行的第二列的数据
					printf("sex is %s\t\n", row[2]);
					printf("birthday is %s\t\n", row[3]);
					printf("phone is %s\t\n", row[4]);
					printf("admissiondate is %s\t\n", row[5]);
					printf("nativeplace is %s\t\n", row[6]);
					printf("\n");
				}

			}
		}
	}
	mysql_free_result(result);                                //释放结果集
	mysql_close(sock);	                                      //关闭连接
	system("pause");
	exit(EXIT_SUCCESS);
}