文件名为connect 代码如下
#include <stdlib.h>
#include <stdio.h>
#include <mysql/mysql.h>
int main()
{
MYSQL *pdata;
MYSQL_RES *result;
MYSQL_ROW row;
int i,j,k;
pdata = mysql_init((MYSQL*)0);
pdata = mydql_connect(pdata,"127.0.0.1","root","123456");
if (pdata)
{
cout << "OK,connected!" << endl;
}
}
编译时用如下指令
g++ -o connect.cpp -L/user/lib/mysql -libmysqlclient.so
可总是显示/usr/bin/ld: cannot find -libmysqlclient.so
collect2: ld returned 1 exit status错误 而且connect文件莫名其妙的呗删除了 请问是怎么回事 多谢了!
#include <stdlib.h>
#include <stdio.h>
#include <mysql/mysql.h>
int main()
{
MYSQL *pdata;
MYSQL_RES *result;
MYSQL_ROW row;
int i,j,k;
pdata = mysql_init((MYSQL*)0);
pdata = mydql_connect(pdata,"127.0.0.1","root","123456");
if (pdata)
{
cout << "OK,connected!" << endl;
}
}
编译时用如下指令
g++ -o connect.cpp -L/user/lib/mysql -libmysqlclient.so
可总是显示/usr/bin/ld: cannot find -libmysqlclient.so
collect2: ld returned 1 exit status错误 而且connect文件莫名其妙的呗删除了 请问是怎么回事 多谢了!
#include <mysql/mysql.h>using std::cout;
using std::endl;int main()
{
MYSQL *pdata;
MYSQL_RES *result;
MYSQL_ROW row;
int i,j,k;
pdata = mysql_init((MYSQL*)0);
pdata = mydql_connect(pdata,"127.0.0.1","root","123456");
if (pdata)
{
cout << "OK,connected!" << endl;
} return 0;
}
不过按照你说的改了一下 还是显示
/usr/bin/ld: cannot find -lmysqlclient
collect2: ld returned 1 exit status
错误,请再帮忙看看好吗 多谢 下面是我修改过的代码
1 #include <stdlib.h>
2 #include <stdio.h>
3 #include <iostream>
4 #include <mysql/mysql.h>
5
6 using std::cout;
7 using std::endl;
8
9 int main()
10 {
11 char *user = "root", *pwd = "c303insun", *dbname = "blog";
12 MYSQL mysql;
13 MYSQL_RES *mysql_ret;
14 MYSQL_ROW mysql_row;
15 unsigned long num_rows;
16 int ret;
17 mysql_init(&mysql);
18 if (mysql_real_connect(&mysql,NULL,user,pwd,dbname,0,NULL,0))
19 cout << "OK,connected!" << endl;
20 else
21 cout << "ERROR!" << endl;
22 return 0;
23 }