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;} |
