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| | | #include "DBuntil.h"
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| | | #include <mysql.h>
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| | | #include <cstdio>
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| | |
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| | | const char DBuntil::user[] = "root"; |
| | | const char DBuntil::pswd[] = ""; |
| | | const char DBuntil::host[] = "localhost"; |
| | | const char DBuntil::db[] = "demo"; |
| | | unsigned int DBuntil::port = 3306; |
| | |
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| | | MYSQL myCont;
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| | | MYSQL_RES *result;
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| | | MYSQL_ROW sql_row;
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| | | #pragma comment(lib,"D:\\Program Files\\mysql-5.7.17-winx64\\lib\\libmysql.lib") |
| | |
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| | | DBuntil::DBuntil()
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| | | {
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| | | mysql_init(&myCont);
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| | | mysql_real_connect(&myCont, host, user, pswd, db, port, NULL, 0);
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| | | }
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| | |
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| | | DBuntil::~DBuntil()
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| | | {
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| | | if (result != NULL) |
| | | mysql_free_result(result);
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| | |
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| | | mysql_close(&myCont);
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| | | }
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| | |
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| | | person DBuntil::db_rearch(int f_id)
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| | | {
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| | | person p={0,""};
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| | | db_select(f_id,&p);
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| | | //对结构体赋值
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| | | return p;
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| | | }
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| | |
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| | | int DBuntil::db_select(int f_id,person* per)
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| | | {
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| | | //sql="select a.p_id,b.`name`,b.img from face_person a,user_info b where a.face_id = " + f_id + " AND a.p_id = b.pid ";
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| | | char c_sql[1024];
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| | | sprintf( c_sql, "select a.p_id,b.`name`,b.img from face_person a,user_info b where a.face_id = %d AND a.p_id = b.pid " , f_id ); |
| | | |
| | | //sprintf( sql, "select a.p_id,b.`name`,b.img from face_person a,user_info b where a.face_id = %d AND a.p_id = b.pid " , f_id ); |
| | | mysql_query(&myCont, "SET NAMES gbk"); //设置编码格式
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| | | res = mysql_query(&myCont,c_sql);//查询
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| | | if (!res)
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| | | {
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| | | result = mysql_store_result(&myCont);
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| | | if (result)
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| | | {
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| | | while (sql_row = mysql_fetch_row(result))//获取具体的数据
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| | | {
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| | | per->p_id = atoi( sql_row[0]);
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| | | per->name = sql_row[1];
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| | | }
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| | | }
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| | | }
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| | | else
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| | | {
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| | | //cout << "query sql failed!" << endl;
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| | | }
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| | | return per->p_id;
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| | | }
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New file |
| | |
| | | #ifndef _DBUNTIL_H_
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| | | #define _DBUNTIL_H_
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| | |
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| | | struct person
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| | | {
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| | | int p_id;
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| | | char *name;
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| | | //ͼƬ
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| | | };
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| | |
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| | | class DBuntil
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| | | {
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| | |
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| | | public:
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| | | DBuntil();
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| | | ~DBuntil();
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| | | person db_rearch(int f_id);
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| | |
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| | | int db_register(int f_id,person p);
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| | |
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| | | private:
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| | |
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| | | int db_add();
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| | | int db_update();
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| | | int db_select(int f_id,person *per);
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| | |
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| | | char *sql;
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| | | int res;
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| | | static const char user[]; |
| | | static const char pswd[]; |
| | | static const char host[]; |
| | | static const char db[]; |
| | | static unsigned int port;
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| | | };
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| | |
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| | |
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| | | #endif |
New file |
| | |
| | | #include <Windows.h>
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| | | #include <mysql.h>
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| | | #include <string>
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| | | #include <iostream>
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| | |
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| | | using namespace std;
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| | | #pragma comment(lib,"D:\\Program Files\\mysql-5.7.17-winx64\\lib\\libmysql.lib") |
| | |
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| | | int main()
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| | | {
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| | |
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| | | const char user[] = "root"; |
| | | const char pswd[] = ""; |
| | | const char host[] = "localhost"; |
| | | const char db[] = "demo"; |
| | | unsigned int port = 3306; |
| | | MYSQL myCont;
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| | | MYSQL_RES *result;
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| | | MYSQL_ROW sql_row;
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| | | int res;
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| | | char *sql;
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| | | mysql_init(&myCont);
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| | |
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| | |
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| | | if (mysql_real_connect(&myCont, host, user, pswd, db, port, NULL, 0) != NULL)
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| | | {
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| | | sql="INSERT INTO user_info (NAME, img) VALUES ('c', null)";
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| | | res = mysql_query(&myCont,sql);//查询
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| | | if (res)
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| | | {
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| | | cout << "INSERT sql1 failed!" << endl;
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| | | }else
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| | | {
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| | | sql="INSERT INTO face_person (p_id, face_id) VALUES (LAST_INSERT_ID(), 2)";
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| | | res = mysql_query(&myCont,sql);
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| | | if (res)
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| | | {
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| | | cout << "INSERT sql2 failed!" << endl;
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| | | }
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| | | }
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| | |
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| | | printf("MySQL client version: %s\n", mysql_get_client_info());
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| | | sql="select a.pid,a.name,a.img,b.face_id from user_info a,face_person b where a.pid = b.p_id";
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| | | mysql_query(&myCont, "SET NAMES gbk"); //设置编码格式
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| | | res = mysql_query(&myCont,sql);//查询
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| | | cout<<res<< endl;
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| | | if (!res)
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| | | {
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| | | result = mysql_store_result(&myCont);
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| | | if (result)
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| | | {
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| | | while (sql_row = mysql_fetch_row(result))//获取具体的数据
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| | | {
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| | | cout<<" pid:" << sql_row[0] << endl;
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| | | cout<<" name:" << sql_row[1] << endl;
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| | | //cout<<" img:" << sql_row[2] << endl;
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| | | cout<<" faceid:" << sql_row[3] << endl;
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| | | cout<< endl;
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| | | }
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| | | }
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| | | }
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| | | else
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| | | {
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| | | cout << "query sql failed!" << endl;
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| | | }
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| | |
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| | | }
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| | | else
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| | | {
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| | | cout << "connect failed!" << endl;
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| | | }
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| | | |
| | |
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| | |
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| | | if (result != NULL) |
| | | mysql_free_result(result);
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| | |
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| | | mysql_close(&myCont);
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| | | system("pause");
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| | | return 0;
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| | |
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| | | } |
New file |
| | |
| | | #include <Windows.h>
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| | | #include <string>
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| | | #include <iostream>
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| | |
|
| | | #include "DBuntil.h"
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| | |
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| | | using namespace std;
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| | |
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| | |
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| | | int main(int argc, char *argv[])
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| | | {
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| | | int i=i;
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| | | DBuntil dbu = DBuntil();
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| | | person p={};
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| | | p = dbu.db_rearch(i);
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| | | if(p.p_id != NULL)
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| | | {
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| | | cout<<p.p_id<<endl;
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| | | cout<<p.name<<endl;
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| | | }else
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| | | cout<<"person is null"<<endl;
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| | | system("pause");
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| | | return 0;
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| | | } |