发几个c++常用小工具的函数（续）

转自：/article/2754817.html

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笔记一直再做项目，随时都会用到一些函数和方法，现在属于一种原始积累状态，将来用到的时候就随便拿来用。省时又省力。。后续还会很多这样的方法。大家也可以去找找。

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//取当前日期

string getCurDate()

{

time_t nowtime;

time(&nowtime); //取当前时间值

struct tm *tPtr;

tPtr = localtime(&nowtime);

char dateStamp[32];

ACE_OS::sprintf(dateStamp, "%04d%02d%02d", tPtr->tm_year+1900 ,tPtr->tm_mon+1,tPtr->tm_mday);

return dateStamp;

}

//取得当前时间

string getCurTime()

{

time_t nowtime;

time(&nowtime);

struct tm *tPtr;

tPtr = localtime(&nowtime);

char timeStamp[15];

memset(timeStamp, 0x00, 15);

ACE_OS::sprintf(timeStamp, "%02d%02d%02d", tPtr->tm_hour,tPtr->tm_min,tPtr->tm_sec);

return timeStamp;

}

//int型转string 型

string intToString(int value)

{

char tmpString[15];

memset(tmpString, 0x00, 15);

sprintf(tmpString, "%d", value);

return tmpString;

}

//将字符串处理为小写。

void toLower(string &strTmp)

{

for (unsigned int i = 0; i < strTmp.length(); i++)

{

strTmp[i] = tolower(strTmp[i]);

}

return;

}

///根据分隔标记flag将字符串放入。。。。

int getItem(string &msg , char flag, vector<string> &line)

{

try

{

if (line.size() != 0)

{

line.clear();

}

if (msg.length() == 0)

{

return 0;

}

char *tmpMsg = &msg[0];

int begin = 0;

int end = 0;

string tmp;

for (unsigned int i = 0; i < msg.length(); i ++)

{

if (tmpMsg[i] == flag)

{

end = i;

}

else

{

continue;

}

if ((end-begin)> 0)

{

tmp = string(&tmpMsg[begin], end-begin);

}

else

{

tmp = "";

}

begin = end+1;

line.push_back(tmp);

}

if ((msg.length()-begin)> 0)

{

tmp = string(&tmpMsg[begin], msg.length()-begin);

line.push_back(tmp);

}

}

catch(...)

{

ACE_DEBUG(( _INFO ACE_TEXT(" getItem execpaction:[%s].\n"), msg.c_str()));

return -1;

}

return 0;

}

////输出vector的内容。

void dispVector(const vector<string> &vecTmp)

{

if (vecTmp.size() == 0)

{

ACE_DEBUG(( _INFO ACE_TEXT( " vector is null\n" )));

return;

}

for (unsigned int i = 0 ; i < vecTmp.size(); i++)

{

ACE_DEBUG(( _INFO ACE_TEXT( " [%25s]\n" ), vecTmp[i].c_str()));

}

return ;

}

////返回num后的字符串

string lastStr(string &from, int num)

{

if (from.length() <= (unsigned int)num)

{

return from;

}

else

{

return from.substr(from.length()-num, num);

}

}

string leftFullChar(string &from, int count, char flag)

{

if (from.length() > (unsigned int)count)

{

return from ;

}

int fullCount = (int)from.length() - count;

string strTmp(fullCount, flag);

strTmp += from;

return strTmp;

}

string rightFullChar(string &from, int count, char flag)

{

if (from.length() > (unsigned int)count)

{

return from ;

}

int fullCount = (int)from.length() - count;

string strTmp(fullCount, flag);

return from+strTmp;

}