发几个c++常用小工具的函数(续)

来源:互联网 发布:linux修改文件权限 编辑:程序博客网 时间:2024/06/05 21:13
    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。
 
//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;}


 

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