c++ mysql
/*
* test.cpp
*
* Created on: 2010-5-13
* Author: Sarah
*/
#include "/usr/include/mysql/mysql.h" /*为绝对路径*/
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <iostream>
using namespace std;
int main(int argc,char *argv[])
{
char *user = "root", *pwd = "475475", *dbname = "bookman";
MYSQL mysql;
MYSQL_RES *mysql_ret;
MYSQL_ROW mysql_row;
unsigned long num_rows;
int ret;
mysql_init(&mysql);
if(mysql_real_connect(&mysql,NULL,user,pwd,dbname,0,NULL,0))
{
printf("Connection success!\n");
//sql字符串
string sqlstr;
sqlstr ="INSERT INTO booklist VALUES (3,'friend','Jack',2,1);";
if(0==mysql_query(&mysql,sqlstr.c_str()))
{
cout<<"mysql_query() insert data succeed"<<endl;
}
else
{
cout<<"mysql_query() insert data failed"<<endl;
return -1;
}
ret = mysql_query(&mysql,"select * from booklist");
if(!ret)
{
printf("Query Success!\n");
mysql_ret = mysql_store_result(&mysql);
if(mysql_ret != NULL)
{
printf("Store Result Success!\n");
num_rows = mysql_num_rows(mysql_ret);
if(num_rows &n
相关文档:
#include <stdio.h>
#include <string.h>
#include <math.h>
#define BASE 10
int intlen(long n);
int main()
{
int i, j, num, sz;
i = j = num = sz = 0;
if (!scanf("%d", &num) || num <= 0) {
printf("invalid input\n");
retu ......
原文:
http://www.codeproject.com/cpp/complex_declarations.asp
作者:Vikram A Punathambekar
介绍
曾经碰到过让你迷惑不解、类似于int * (* (*fp1) (int) ) [10];这样的变量声明吗?本文将由易到难,一步一步教会你如何理解这种复杂的C/C++声明:我们将从每天都能碰到的较简单的声明入手,然后逐步加入const修 ......
GCC 中文手册
http://www.nbfan.com/forum/dispbbs....&ID=1433&page=1
GNU make 指南
http:/ ......
50个c/c++源代码网站
文章出处:http://blog.chinaunix.net/u3/106835/showart_2190632.html
C/C++是最主要的编程语言。这里列出了50名优秀网站和网页清单,这些网站提供c/c++源代码
。这份清单提供了源代码的链接以及它们的小说明。我已尽力包括最佳的C/C++源代码的网站。这不是一个完整的清单,您有建议可以联系我, ......
#include <iostream>
using namespace std;
class Base {
public:
virtual void fn(int x) {
cout << "In Base class, int x = " << x << endl;
}
};
class SubClass : public Base {
public:
// 函数的重载,这样的重载方式,在Java中能行,在C/C++中却不行
virt ......