qt 获取汉字拼音首字母

ゝ一世哀愁。 2023-08-17 17:00 81阅读 0赞

\#include "mainwindow.h"  
\#include "ui\_mainwindow.h"  
\#include <QDebug>  
\#include <QTextCodec>  
QString getChineseSpell(QString& src);  
QString FirstLetter(int nCode);  
char convert(int n);

MainWindow::MainWindow(QWidget \*parent) :  
QMainWindow(parent),  
ui(new Ui::MainWindow)  
\{  
ui->setupUi(this);  
QString str = tr("这是一个正确的例子");  
QString character = getChineseSpell(str);  
qDebug()<<character;  
\}

MainWindow::~MainWindow()  
\{  
delete ui;  
\}

QString getChineseSpell(QString& src)  
\{  
QTextCodec \*codec4gbk = QTextCodec::codecForName("GBK"); //获取qt提供的gbk的解码器  
QByteArray buf = codec4gbk->fromUnicode(src); //qt用的unicode，转成gbk  
int size = buf.size();  
quint16 \*array = new quint16\[size+1\];  
QString alphbats;

for( int i = 0, j = 0; i < buf.size(); i++, j++ )  
\{  
if( (quint8)buf\[i\] < 0x80 ) //gbk的第一个字节都大于0x81，所以小于0x80的都是符号，字母，数字etc  
continue;  
array\[j\] = (((quint8)buf\[i\]) << 8) + (quint8)buf\[i+1\]; //计算gbk编码  
i++;  
alphbats.append( convert( array\[j\] ) ); //相当于查表，用gbk编码得到首拼音字母  
\}  
delete \[\] array;  
return alphbats;  
\}

bool In(wchar\_t start, wchar\_t end, wchar\_t code)  
\{  
if (code >= start && code <= end)  
\{  
return true;  
\}  
return false;  
\}

char convert(int n)  
\{  
if (In(0xB0A1,0xB0C4,n)) return 'a';  
if (In(0XB0C5,0XB2C0,n)) return 'b';  
if (In(0xB2C1,0xB4ED,n)) return 'c';  
if (In(0xB4EE,0xB6E9,n)) return 'd';  
if (In(0xB6EA,0xB7A1,n)) return 'e';  
if (In(0xB7A2,0xB8c0,n)) return 'f';  
if (In(0xB8C1,0xB9FD,n)) return 'g';  
if (In(0xB9FE,0xBBF6,n)) return 'h';  
if (In(0xBBF7,0xBFA5,n)) return 'j';  
if (In(0xBFA6,0xC0AB,n)) return 'k';  
if (In(0xC0AC,0xC2E7,n)) return 'l';  
if (In(0xC2E8,0xC4C2,n)) return 'm';  
if (In(0xC4C3,0xC5B5,n)) return 'n';  
if (In(0xC5B6,0xC5BD,n)) return 'o';  
if (In(0xC5BE,0xC6D9,n)) return 'p';  
if (In(0xC6DA,0xC8BA,n)) return 'q';  
if (In(0xC8BB,0xC8F5,n)) return 'r';  
if (In(0xC8F6,0xCBF0,n)) return 's';  
if (In(0xCBFA,0xCDD9,n)) return 't';  
if (In(0xCDDA,0xCEF3,n)) return 'w';  
if (In(0xCEF4,0xD188,n)) return 'x';  
if (In(0xD1B9,0xD4D0,n)) return 'y';  
if (In(0xD4D1,0xD7F9,n)) return 'z';  
return '\\0';  
\}

转载于:https://www.cnblogs.com/wangjian8888/p/11585124.html