mysql.h文件在哪，怎么查找。自行百度

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 #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; }