typedef std::basic_string<TCHAR> tstring; inline static void trim(tstring& s) { s.erase(0, s.find_first_not_of(_T("\r\t\n "))); s.erase(s.find_last_not_of(_T("\r\t\n "))+1); }
std::string&trim(std::string&); 13 14 intmain() { 15 std::strings="Hello World!!"; 16 std::cout<<s<<"size:"<<s.size()<<std::endl; 17 std::cout<<trim(s)<<"size:"<<trim(s).size()<<std::endl; 18 19 return0; 20 } 21 22 std::string&trim(std::string&s) { 23 ...
std::isspace(c, std::locale()); })); return temp; } std::string trimRight(const std::string &s) { auto temp = s; temp.erase(std::find_if(std::rbegin(temp), std::rend(temp), [](char c){return !std::isspace(c, std::locale()); }).base(), std::end(temp)); return ...
4Filename : StringTrim1.cpp 5Compiler : Visual C++ 8.0 / Dev-C++ 4.9.9.2 6Description : Demo how to trim string by find_first_not_of & find_last_not_of 7Release : 07/15/2008 8*/ 9#include<string> 10#include<iostream> 11#include<cwctype> 12 13usingnamespacestd; 14 15string&tri...
13usingnamespacestd; 14 15string&trim(string&s) { 16if(s.empty()) { 17returns; 18} 19 20string::iterator c; 21//Erase whitespace before the string 22for(c=s.begin(); c!=s.end()&&iswspace(*c++);); 23s.erase(s.begin(),--c); ...
using namespace std; string trim(string &s) { const string &space =" \f\n\t\r\v" ; string r=s.erase(s.find_last_not_of(space)+1); return r.erase(0,r.find_first_not_of(space)); } string ltrim(string &s) { const string &space =" \f\n\t\r\v" ; ...
#include <iostream> #include <string> using namespace std; // 去除字符串首尾的空格 bool trim(char* szStr) { int i = 0, j = 0, iFirst = -1, iLast = -1; int iLen = strlen(szStr); char szTemp[256] = { 0 }; // 从前往后遍历,获取第一个不为 空格 的下标 for (i = 0;...
1、C+中的string的用法总结basic_string:append向string的后面加字符或字符串。(比+=,push_baCk更灵活)(1) 向string的后面加C-stringbasiC_string&append(Constvalue_type*_Ptr);strings("Hello");/s="Hello"ConstChar*C="OutThere"s.append(C);/s="HelloOutThere"向string的后面加C-string的一部分basiC...
string StringUtil::stringFromDouble(double data){ char tmp[21];memset(tmp,0,21);sprintf(tmp,"%20.3lf",data);return string(tmp);} float StringUtil::floatFromString(std::string data){ float tmp;sscanf(data.c_str(),"%f",&tmp);return tmp;} std::string StringUtil::stringFromFloat(...
首先想到seekg()函数把读指针重定位到文件开头。...#include #includefstream> #include using namespace std; int main() { fstream outFile...EXIT_FAILURE); } string str; int x = 3; while (x--) { cin >> str; str += "\r\n"; outFile.write(str.c_str...(), str.length()); } ...