linux下opencv读取图片并存储到mysql数据库中

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mysql.h>
#include <iostream>

#include <string>

#include <opencv/cv.h>
#include <opencv/highgui.h>
using namespace std;

string IntToStr(int num)
{
	stringstream ss;
	ss.clear();
	ss<<num;
	return ss.str();
}

int main()
{
	//定义数据库连接信息
    const char user[] = "root";         //username
    const char pswd[] = "phancie";         //password
    const char host[] = "localhost";    //or"127.0.0.1"
    const char table[] = "phancie_vision";        //database
    unsigned int port = 3306;           //server port
    MYSQL myCont;
    MYSQL_RES *result;
    //MYSQL_ROW sql_row;
    //MYSQL_FIELD *fd;
    //char column[32][32];

    mysql_init(&myCont);
    if(mysql_real_connect(&myCont,host,user,pswd,table,port,NULL,0))
    {
    	cout<<"connect succeed!"<<endl;
    	//设置编码格式,否则在cmd下无法显示中文
    	mysql_query(&myCont, "SET NAMES GBK");

    	int image_id = 1;
    	char filename[256];
    	//IplImage *image=0;
    	sprintf(filename , "/phancie/phv_images/imgs_orgsrc/imgs_natural/imgs_people/wuqilong/%d.jpg" , image_id );
    	IplImage* src = cvLoadImage(filename);
    	cout<<"\n开始存储图片信息 \n";

    	while(src)
    	{
    		int orgExists = 1;
	 		int orgWidth = src->width;
	 		int orgHeight = src->height;
	 		int orgDepth = src->depth;
	 		int orgWidthStep = src->widthStep;
	 		int thumbExists = 0;
	 		string path = "/phancie/phv_images/imgs_orgsrc/imgs_natural/imgs_people/wuqilong/"+IntToStr(image_id)+".jpg";
	 		const char* orgRelativaPath = path.c_str();

	 		//定义数据库操作语句
    		//将图片信息插入数据库中
    		string orgsql = "insert into phvImages(orgExists,orgWidth,orgHeigth,orgDepth,orgRelativePath,orgWidthStep,thumbExists)";
    		orgsql += " values("+IntToStr(orgExists)+","+IntToStr(orgWidth)+","+IntToStr(orgHeight)+","+IntToStr(orgDepth)+",'"+orgRelativaPath+"',"+IntToStr(orgWidthStep)+","+IntToStr(thumbExists)+")";
    		//将std::string类型转换为const char*
    		const char *sql_insert = orgsql.c_str();
    		cout<<sql_insert<<endl;

    		int res = mysql_query(&myCont,sql_insert);
    		if(!res)
            {
            	printf("插入成功,受影响行数:%lu\n",(ulong)mysql_affected_rows(&myCont));
            }
            else
            {
                cout<<"query sql failed!"<<endl;
            }

    		image_id++;
    		sprintf(filename , "/phancie/phv_images/imgs_orgsrc/imgs_natural/imgs_people/wuqilong/%d.jpg" , image_id );
    		src= cvLoadImage(filename);
    	}

    }
    else
    {
        cout<<"connect failed!"<<endl;
    }
    if(result!=NULL) mysql_free_result(result);//释放结果资源
    mysql_close(&myCont);//断开连接
    return 0;

}