C++用mysql自帶的頭文件銜接數據庫。本站提示廣大學習愛好者:(C++用mysql自帶的頭文件銜接數據庫)文章只能為提供參考,不一定能成為您想要的結果。以下是C++用mysql自帶的頭文件銜接數據庫正文
mysql.h文件在哪,怎樣查找。自行百度
#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<<"請輸出該用戶的編號"<<endl; cin>>pid; cout<<"請輸出該用戶的名字"<<endl; // gets(name); cin>>name; cout<<"請輸出該用戶的類型"<<endl; cin>>type; cout<<"請輸出該用戶的接洽方法"<<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("添加掉敗: (%s)\n",mysql_error(conn)); return; } else { printf("添加勝利!\n"); return; } return; } void update(){ char sql[1000]; people a(1); cout<<"請輸出你要更改的用戶的編號:"; cin >> a.pid; cout<<"請輸出你要此編號用戶的姓名:"; cin >> a.name; cout <<"請輸出你要更改的用戶的類型:"; cin >> a.type; cout << "請輸出你要更改的用戶的德律風:"; 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("更改掉敗: (%s)\n",mysql_error(conn)); return; } else { printf("更改勝利!\n"); return; } return; } void del() { char sql[1000]; int pid; cout<<"請輸出你要刪除的人的編號"<<endl; cin>>pid; sprintf(sql,"delete from student where pid = %d",pid); if(mysql_query(conn, sql)) { printf("刪除 掉敗(%s)\n",mysql_error(conn)); return; } else { printf("刪除勝利!\n"); return; } return; } void menu() { cout<<"1.用戶錄入"<<endl; cout<<"2.顯示"<<endl; cout<<"3.更改"<<endl; cout<<"4.刪除"<<endl; cout<<"5.加入"<<endl; } void show() { if (mysql_query(conn, "select * from student")) { fprintf(stderr, "%s\n", mysql_error(conn)); return; } res = mysql_use_result(conn); printf("編號\t名字\t類型\t接洽方法\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<<"按隨意率性鍵持續.."<<endl; getchar(); } return 0; }