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for(int i = 0 ; i < testImgsNumber; i ++){//对每张图片进行测试
for(int j = 0 ; j < clusterNumber; j++) {
flag[j] = 0;
}
string imgPath = testFiles.getFileName(i);
Mat img = imread(imgPath);
vector<KeyPoint> keypoint;
detector->detect(img,keypoint);
Mat TF = countWordsFreq(img, keypoint, NULL, bowDE);//获得传入的图片的TF
Mat tfIdfOfImg(1,clusterNumber,CV_32F);
for(int i = 0 ; i < TF.cols; i ++ ){//计算传入的图片的tf-idf向量
tfIdfOfImg.at<float>(0,i) = idfMat.at<float>(0,i)*TF.at<float>(0,i);
// cout << TF.at<float>(0,i) << " ";
}
struct invertedTableNode image_from_user;
char txtName[512];
sprintf(txtName, "%s%s",imgPath.substr(0,imgPath.rfind(".JPEG")).c_str(),".txt");
cout << txtName << endl;
getInfoFromTxt(txtName, image_from_user);//--------------------------这句话出错
。。。。。
/**
1.打开文件
2.文件内容读入字符串
3.截取字符串内容,存入相应变量
*/
void getInfoFromTxt(string txtName, struct invertedTableNode& image){//读入图片对应的txt文件内容
string data;//存储文件内容的string
if(readFileToString(txtName.c_str(), data))
。。。。。。
}
/**
文件内容读入字符串
file_name:所要读取内容的文件名
fileData:存储文件内容的字符串
*/
bool readFileToString(const char* file_name, string& fileData)
{
ifstream file(file_name, std::ifstream::binary);
if(file)
{
// Calculate the file's size, and allocate a buffer of that size.
file.seekg(0, file.end);
const int file_size = file.tellg();
char* file_buf = new char [file_size+1];
//make sure the end tag \0 of string.
memset(file_buf, 0, file_size+1);
// Read the entire file into the buffer.
file.seekg(0, ios::beg);
file.read(file_buf, file_size);
if(file)
{
fileData.append(file_buf);
}
else
{
std::cout << "error: only " << file.gcount() << " could be read";
fileData.append(file_buf);
return false;
}
file.close();
//delete file_name;
delete file_buf;
}
else
{
//delete file_name;
file.close();
return false;
}
return true;
}
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <windows.h>
#include <io.h>
#else
#include <unistd.h>
#include <sys/time.h>
#include <pthread.h>
#define CRITICAL_SECTION pthread_mutex_t
#define _vsnprintf vsnprintf
#endif
//Log{
#define MAXLOGSIZE 20000000
#define MAXLINSIZE 16000
#include <time.h>
#include <sys/timeb.h>
#include <stdarg.h>
char logfilename1[]="MyLog1.log";
char logfilename2[]="MyLog2.log";
static char logstr[MAXLINSIZE+1];
char datestr[16];
char timestr[16];
char mss[4];
CRITICAL_SECTION cs_log;
FILE *flog;
#ifdef WIN32
void Lock(CRITICAL_SECTION *l) {
EnterCriticalSection(l);
}
void Unlock(CRITICAL_SECTION *l) {
LeaveCriticalSection(l);
}
#else
void Lock(CRITICAL_SECTION *l) {
pthread_mutex_lock(l);
}
void Unlock(CRITICAL_SECTION *l) {
pthread_mutex_unlock(l);
}
#endif
void LogV(const char *pszFmt,va_list argp) {
struct tm *now;
struct timeb tb;
if (NULL==pszFmt||0==pszFmt[0]) return;
_vsnprintf(logstr,MAXLINSIZE,pszFmt,argp);
ftime(&tb);
now=localtime(&tb.time);
sprintf(datestr,"%04d-%02d-%02d",now->tm_year+1900,now->tm_mon+1,now->tm_mday);
sprintf(timestr,"%02d:%02d:%02d",now->tm_hour ,now->tm_min ,now->tm_sec );
sprintf(mss,"%03d",tb.millitm);
printf("%s %s.%s %s",datestr,timestr,mss,logstr);
flog=fopen(logfilename1,"a");
if (NULL!=flog) {
fprintf(flog,"%s %s.%s %s",datestr,timestr,mss,logstr);
if (ftell(flog)>MAXLOGSIZE) {
fclose(flog);
if (rename(logfilename1,logfilename2)) {
remove(logfilename2);
rename(logfilename1,logfilename2);
}
} else {
fclose(flog);
}
}
}
void Log(const char *pszFmt,...) {
va_list argp;
Lock(&cs_log);
va_start(argp,pszFmt);
LogV(pszFmt,argp);
va_end(argp);
Unlock(&cs_log);
}
//Log}
int main(int argc,char * argv[]) {
int i;
#ifdef WIN32
InitializeCriticalSection(&cs_log);
#else
pthread_mutex_init(&cs_log,NULL);
#endif
for (i=0;i<10000;i++) {
Log("This is a Log %04d from FILE:%s LINE:%d\n",i, __FILE__, __LINE__);
}
#ifdef WIN32
DeleteCriticalSection(&cs_log);
#else
pthread_mutex_destroy(&cs_log);
#endif
return 0;
}
//1-78行添加到你带main的.c或.cpp的那个文件的最前面
//81-85行添加到你的main函数开头
//89-93行添加到你的main函数结束前
//在要写LOG的地方仿照第87行的写法写LOG到文件MyLog1.log中