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我正在尝试使用一个简单的CSV文件，逐行分割并将其打印到控制台。目前我在编译时遇到错误，并想知道我是否缺少明显的东西。在C++中格式化CSV文件
#include <fstream>
#include <iostream>
#include <sstream>
#include <string>
int main(int argc , char** argv) {
std::string line;
std::ifstream infile(argv[1]);
if (infile) {
while (getline(infile, line)) {
std::istringstream ss(line);
std::string token;
while(std::getline(ss, token, ",")) {
std::cout << token << "\n";
}
}
}
infile.close();
return 0;
}
我得到的错误如下。
csv.cpp: In function 'int main(int, char**)':
csv.cpp:41:46: error: no matching function for call to 'getline(std::istringstream&,
std::string&, const char [2])'
csv.cpp:41:46: note: candidates are:
In file included from /usr/include/c++/4.7/string:55:0,
from /usr/include/c++/4.7/bits/locale_classes.h:42,
from /usr/include/c++/4.7/bits/ios_base.h:43,
from /usr/include/c++/4.7/ios:43,
from /usr/include/c++/4.7/istream:40,
from /usr/include/c++/4.7/fstream:40,
from csv.cpp:21:
/usr/include/c++/4.7/bits/basic_string.tcc:1070:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::getline(std::basic_istream<_CharT, _Traits>&, std::basic_string<_CharT, _Traits, _Alloc>&, _CharT)
/usr/include/c++/4.7/bits/basic_string.tcc:1070:5: note: template argument deduction/substitution failed:
csv.cpp:41:46: note: deduced conflicting types for parameter '_CharT' ('char' and 'const char*')
In file included from /usr/include/c++/4.7/string:54:0,
from /usr/include/c++/4.7/bits/locale_classes.h:42,
from /usr/include/c++/4.7/bits/ios_base.h:43,
from /usr/include/c++/4.7/ios:43,
from /usr/include/c++/4.7/istream:40,
from /usr/include/c++/4.7/fstream:40,
from csv.cpp:21:
/usr/include/c++/4.7/bits/basic_string.h:2792:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::getline(std::basic_istream<_CharT, _Traits>&, std::basic_string<_CharT, _Traits, _Alloc>&)
/usr/include/c++/4.7/bits/basic_string.h:2792:5: note: template argument deduction/substitution failed:
csv.cpp:41:46: note: candidate expects 2 arguments, 3 provided
我读了那个帖子，对我来说根本没有意义。 – user2941520
在看到伊戈尔的回答后，我意识到另一个线索可能与您的问题无关 - 我已经收回了近距离投票。 –