mysql.h文件在哪，怎么查找。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<<"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, "%sn", 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, "%sn", 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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