har* 转QByteArray 如果这样写 char RECV[10]={'a','b','c','d','e','f','g','h','k','l'}; QByteArray DataContent = QByteArray(RECV); 这样得到的结果又可能是错的,需要这样写 char RECV[10]={'a','b','c','d','e','f','g','h','k','l'}; QByteArray DataContent =...
//常用参数类型:char *字符串, QByteArray字符数组, QString字符串 //需要转换:char * ---转--- QByteArray ---需要调用QByteArray类的构造函数 char* ---QByteArray(const char*)---> QByteArray char* str; QByteArray byte(str); char* ---QString(const char*)--->QString char* str; QStrin...
int main(int argc, char **argv) { QApplication app(argc, argv); QString str1 = "Test"; QByteArray ba = str1.toLatin1(); const char *c_str2 = ba.data(); return app.exec(); } To convert a char* to a QString you can use the QString constructor that takes a QLatin1String...
QString_QByteArray和char 的转换 第一种,数据流的方式,这里只说从QByteArray转向QString。QByteArray encodedString = "xxx";QTextCodec *codec = QTextCodec::codecForName("KOI8-R");QString string = codec->toUnicode(encodedString);第二种,常用的,网上看到的。//常用参数类型:char *字符串, QByte...
Qt中QString,char,int,QByteArray之间到转换 2012-03-21 21:01 −各种数据类型的相互转换 char * 与 const char *的转换 char *ch1="hello11"; const char *ch2="hello22"; ch2 = ch1;//不报错,但有警告 ch1 = (char *)ch2; char 转换为 QString 其实方法有很多... ...
38}3940intmain(intargc,char*argv[])41{42QCoreApplication a(argc, argv);43charcmd[7] = {0x40,0x00,0x00,0x01,0x00,0x41,0x0A};44char* cmdString ="40 00 00 01 00 41 0a";45QByteArray cmdBA =HexStringToByteArray(cmdString);46qDebug()<<ByteArrayToHexString(cmdBA);4748returna.exec...