Qt中调用Bing翻译接口

#include "myqt.h" #include<QtNetwork> #include <QMouseEvent> #include <qtextcursor.h> MyQt::MyQt() { textEdit=new QTextEdit; textEdit->setAlignment(Qt::AlignCenter); //textEdit->setReadOnly(true); textEdit->setMinimumSize(400,200); textEdit->setTextColor("green"); connect(textEdit,SIGNAL(cursorPositionChanged()),this,SLOT(getSentence())); manager = new QNetworkAccessManager(this); translationTextEdit=new QTextEdit; translationTextEdit->setAlignment(Qt::AlignCenter); translationTextEdit->setTextColor("green"); translationTextEdit->setReadOnly(true); createButtonsLayout(); mainLayout=new QVBoxLayout; mainLayout->addWidget(textEdit); mainLayout->addLayout(buttonsLayout); mainLayout->addWidget(translationTextEdit); setLayout(mainLayout); setWindowTitle(tr("Qt Demo")); resize(500,400); } void MyQt::getSentence() { cursor = textEdit->textCursor(); textEdit->setTextCursor(cursor); QString tempStr=" "; int tempInt=cursor.position(); int tempInt2=tempInt; //从光标位置向前搜寻指定标点 while(tempStr!="."&&tempStr!="?"&&tempStr!="!") { if(cursor.position()==0)//若光标点击在段落开头 { tempInt=-1; break; } else { cursor.movePosition(QTextCursor::Left,QTextCursor::KeepAnchor,1); tempStr=cursor.selectedText(); cursor.setPosition(--tempInt,QTextCursor::MoveAnchor); } } int SentenceStart=tempInt+1;//记录句子起始处锚点 cursor.setPosition(tempInt2,QTextCursor::MoveAnchor); QString tempStr2=" "; //从光标位置向后搜寻标点 while(tempStr2!="."&&tempStr2!="?"&&tempStr2!="!") { if(cursor.position()==textEdit->toPlainText().size())//若光标点击在段落末尾 { break; } else { cursor.movePosition(QTextCursor::Right,QTextCursor::KeepAnchor,1); tempStr2=cursor.selectedText(); cursor.setPosition(++tempInt2,QTextCursor::MoveAnchor); } } int sentenceEnd=tempInt2;//记录句子末尾锚点 //选中整句 cursor.setPosition(SentenceStart,QTextCursor::MoveAnchor); cursor.setPosition(sentenceEnd,QTextCursor::KeepAnchor); sentence=cursor.selectedText(); if(sentence!="") { translation(); } } //实现打开文件并且显示在TextEdit中 void MyQt::openTxt() { QString fileName = QFileDialog::getOpenFileName(this,tr("Open a File"),".",tr("Text File(*.txt);;pdf file(*.pdf)")); if(fileName.length() == 0) { //QMessageBox::information(this,tr("Text Files"),tr("You have not open any file")); } else { QDir *pDir = new QDir("."); QString fileDir = pDir->filePath(fileName); QFile file(fileName); if (!file.open(QIODevice::ReadWrite)) return; QTextStream out(&file); while(!file.atEnd()) { textEdit->setText(out.readAll()); } } } //改变窗体大小 //void MyQt::resizeEvent(QResizeEvent *) //{ // //} //发送翻译文本 void MyQt::translation() { //google //QString url = "http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&amp&langpair=en|zh-CN"; //http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&amp&langpair=en|zh-CN&q=today //QString url="http://api.microsofttranslator.com/V2/Ajax.svc/Translate?oncomplete=mycallback&appId=665F2C9CB52059B9A94897B9060DF3BA2BA0F1C1&from=en&to=zh-cn&text=" ; //有道 //http://fanyi.youdao.com/fanyiapi.do?keyfrom=www1gaicn&key=636983872&type=data&doctype=json&version=1.1&q=翻译 //http://fanyi.youdao.com/fanyiapi.do?keyfrom=www1gaicn&key=636983872&type=data&doctype=xml&version=1.1&q=这里是有道翻译API //http://fanyi.youdao.com/fanyiapi.do?keyfrom=www1gaicn&key=636983872&type=data&doctype=jsonp&callback=show&version=1.1&q=API //http://fanyi.youdao.com/fanyiapi.do?keyfrom=<keyfrom>&key=<key>&type=data&doctype=<doctype>&version=1.1&q=要翻译的文本 //Bing QString url="http://api.microsofttranslator.com/V2/Ajax.svc/Translate?oncomplete=mycallback&appId=A4D660A48A6A97CCA791C34935E4C02BBB1BEC1C&from=en&to=zh-cn&text="; //QString url="http://fanyi.youdao.com/fanyiapi.do?keyfrom=www1gaicn&key=636983872&type=data&doctype=jsonp&callback=show&version=1.1"; //QString page = "&q="+sentence; QString page = sentence; url = url + page ; manager->get(QNetworkRequest(QUrl(url))); connect(manager,SIGNAL(finished(QNetworkReply*)),this,SLOT(replyFinished(QNetworkReply*))); } //获取翻译结果 void MyQt::replyFinished(QNetworkReply * reply) { QTextCodec *codec = QTextCodec::codecForName("utf8"); QString line = ""; while((line=codec->toUnicode(reply->readLine()))!="") { QStringList t = line.split("\""); translationTextEdit->setText(t.at(1)); } reply->deleteLater(); } //实现句子分离 void MyQt:: separateSentence() { QString text=textEdit->toPlainText(); QString temp,firstTemp; if(text.size()==0) QMessageBox::information(this,tr("Tips"),tr("You have not open any file")); else { int index=0,index1=0,index2=0,index3=0; int flag=0,n=1;//控制颜色相间 while(index!=text.size()-1) { index1=(text.indexOf(".",index)==-1)?20000:text.indexOf(".",index);//寻找第一次出现的“.”，若文中未出现“.”则赋值20000 index2=(text.indexOf("!",index)==-1)?20000:text.indexOf("!",index); index3=(text.indexOf("?",index)==-1)?20000:text.indexOf("?",index); int temp=index1>index2?index2:index1; //找到第一次出现的三种标点中索引最小的标点 index=(temp>index3?index3:temp)+1; if(index==20001) //未出现指定的三种标点 { break; } if(flag==0) { text.insert(index,"</font><font color=green>"); } else { text.insert(index,"</font><font color=blue>"); } flag=n%2; n++; } //QString firstTemp="<html><font color=blue>"; text.insert(0,"<html><font color=blue>");//在段落起始点加入Html格式 text.push_back("</font></html>");//在段落末尾加入Html格式 textEdit->setText(text); } } //创建按钮并布局 void MyQt:: createButtonsLayout() { separateSentenceButton = createButton(tr("Separate Sentence"),this, SLOT(separateSentence())); closeButton = createButton(tr("Quit"),this, SLOT(close())); openTxtButton =createButton(tr("Open..."),this,SLOT(openTxt())); buttonsLayout = new QHBoxLayout; buttonsLayout->addStretch(); buttonsLayout->addWidget(openTxtButton); buttonsLayout->addWidget(separateSentenceButton); buttonsLayout->addWidget(closeButton); } //连接按钮的点击信号和槽 QPushButton * MyQt::createButton(const QString &text, QWidget *receiver, const char *member) { QPushButton *button = new QPushButton(text); button->connect(button, SIGNAL(clicked()), receiver, member); return button; }