mysql.h文件在哪，怎么查找。自行百度
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#include <mysql/mysql.h>
#include <stdio.h>
#include<iostream>
#include<fstream>
#include<string.h>
using namespace std;
MYSQL *conn;
MYSQL_RES *res;
MYSQL_ROW row;
class people
{
public:
char name[20];
int pid;
int type;
char phone[30];
public:
people(int a){};
people(){
setall();
};
~people(){};
public:
void setall();
};
void people::setall()
{
cout<<"请输入该用户的编号"<<endl;
cin>>pid;
cout<<"请输入该用户的名字"<<endl;
// gets(name);
cin>>name;
cout<<"请输入该用户的类型"<<endl;
cin>>type;
cout<<"请输入该用户的联系方式"<<endl;
cin>>phone;
}
void save()
{
char sql[1000];
people a;
sprintf(sql,"insert into student values(%d,'%s',%d,'%s')",a.pid,a.name,a.type,a.phone);
if(mysql_query(conn, sql))
{
printf("添加失败: (%s)\n",mysql_error(conn));
return;
}
else
{
printf("添加成功!\n");
return;
}
return;
}
void update(){
char sql[1000];
people a(1);
cout<<"请输入你要更改的用户的编号:";
cin >> a.pid;
cout<<"请输入你要此编号用户的姓名：";
cin >> a.name;
cout <<"请输入你要更改的用户的类型：";
cin >> a.type;
cout << "请输入你要更改的用户的电话：";
cin >> a.phone;
sprintf(sql,"update student set name = '%s',usetype=%d,phone='%s' where pid = %d",a.name,a.type,a.phone,a.pid);
if(mysql_query(conn, sql))
{
printf("更改失败： (%s)\n",mysql_error(conn));
return;
}
else
{
printf("更改成功!\n");
return;
}
return;
}
void del()
{
char sql[1000];
int pid;
cout<<"请输入你要删除的人的编号"<<endl;
cin>>pid;
sprintf(sql,"delete from student where pid = %d",pid);
if(mysql_query(conn, sql))
{
printf("删除 失败(%s)\n",mysql_error(conn));
return;
}
else
{
printf("删除成功!\n");
return;
}
return;
}
void menu()
{
cout<<"1.用户录入"<<endl;
cout<<"2.显示"<<endl;
cout<<"3.更改"<<endl;
cout<<"4.删除"<<endl;
cout<<"5.退出"<<endl;
}
void show()
{
if (mysql_query(conn, "select * from student")) {
fprintf(stderr, "%s\n", mysql_error(conn));
return;
}
res = mysql_use_result(conn);
printf("编号\t名字\t类型\t联系方式\n");
while ((row = mysql_fetch_row(res)) != NULL){
cout<<row[0]<<"\t"<<row[1]<<"\t"<<row[2]<<"\t"<<row[3]<<endl;
}
mysql_free_result(res);
}
int main() {
int s;
conn = mysql_init(NULL);
if (!mysql_real_connect(conn, "localhost",
"root", "root", "abc", 0, NULL, 0)) {
fprintf(stderr, "%s\n", mysql_error(conn));
return -1;
}
mysql_query(conn,"set names utf8");
while(true){
menu();
cin>>s;
if(s==2){show();}
if(s==1){save();}
if(s==3){update();}
if(s==4){del();}
if(s==5){mysql_close(conn);return 0;}
cout<<"按任意键继续.."<<endl;
getchar();
}
return 0;
}
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