tuf8和gb2312编码转换

#include <qtextcodec.h>
#include

构造函数
{
ui.setupUi(this);

std::string temp("模板方法");

char str[10] = {0};

setWindowTitle(TemplateMethod::Gb2312_utf8(temp, str));
}

char * TemplateMethod::Gb2312_utf8(std::string strutf8, char* str)
{
//头文件QTextCodec
QTextCodec* utf8Codec = QTextCodec::codecForName(“utf-8”);
QTextCodec* gb2312Codec = QTextCodec::codecForName(“gb2312”);

QString strUnicode = gb2312Codec->toUnicode(strutf8.c_str());
QByteArray ByteUtf8 = utf8Codec->fromUnicode(strUnicode);

strcpy(str, ByteUtf8.data());
return str;

}

char* TemplateMethod::utf8_Gb2312(std::string strgb2312, char* str)
{
QTextCodec* utf8Codec = QTextCodec::codecForName(“utf-8”);
QTextCodec* gb2312Codec = QTextCodec::codecForName(“gb2312”);

QString strUnicode = utf8Codec->toUnicode(strgb2312.c_str());
QByteArray ByteGb2312 = gb2312Codec->fromUnicode(strUnicode);

strcpy(str, strgb2312.data());
return str;

}