问题: t->package().ship_id(sqlRow[1]);其中 ship_id为 结构体package中的string类型.如下: typedef struct Package{    string ship_id;    ....}Package_t; 给ship_id赋值时报错: no match for call to ‘(std::__cxx11::string {aka std::__cxx11::basic_string 参考答案: https://stackoverf…

解决方法:在参数前面加一个cosnt或者把引用符号去掉…

今天公司的小伙伴遇到一个问题,这里做一个记录. 问题是这样的,他编译了公司的基础库,然后在程序中链接的时候遇到点问题,报错找不到定义. 用到的函数声明大概是这样的: void function(const std::string& in,int* out); 编译的时候显示找不到定义,报错大概是这样的: 'function(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char…

下面为测试代码: 1.创建 std::vector< std::vector<string> > vc2; 2.初始化 std::vector<string> vc; vc.push_back("v11"); vc.push_back("v12"); vc.push_back("v13"); std::vector<string> v2; v2.push_back("v21");…

//宽字符转多字节 std::string W2A(const std::wstring& utf8) { int buffSize = WideCharToMultiByte(CP_ACP, NULL, utf8.c_str(), -1, NULL, NULL, NULL, FALSE); char *gbk = new char[buffSize+1]; memset(gbk, 0, buffSize + 1); WideCharToMultiByte(CP_ACP, NULL, utf8.…

作者:zzandyc来源:CSDN原文:https ://blog.csdn.net/zzandyc/article/details/77540056 版权声明:本文为博主原创文章,转载请附上博文链接! std::string ws2s(const std::wstring &ws) { size_t i; std::string curLocale = setlocale(LC_ALL, NULL); setlocale(LC_ALL, "chs"); const wchar…

I need to convert between UTF-8, UTF-16 and UTF-32 for different API's/modules and since I know have the option to use C++11 am looking at the new string types. It looks like I can use string, u16string and u32string for UTF-8, UTF-16 and UTF-32. I a…

std::string转为 std::wstring std::wstring UTF8_To_UTF16(const std::string& source) { unsigned long len = ::MultiByteToWideChar(CP_UTF8, NULL, source.c_str(), -1, NULL, NULL); //::表示全局函数 不加:: 默认先调用类中的同名函数 if(len == 0) return std::wstring(); wchar_t *buf…

807down vote string? wstring? std::string is a basic_string templated on a char, and std::wstring on a wchar_t. char vs. wchar_t char is supposed to hold a character, usually a 1-byte character. wchar_t is supposed to hold a wide character, and then,…

string.vector 互转 string 转 vector vector  vcBuf;string        stBuf("Hello DaMao!!!");----------------------------------------------vcBuf.resize(stBuf.size());vcBuf.assign(stBuf.begin(), stBuf.end()); vector 转 string  stBuf.clear();stBuf.assign(v…