怎样在手机上做网站,采购,自己开发app所需的各种费用,广西住房和城乡建设网站使用的QT图形界面#xff0c;用libcurl获取的网页#xff0c;在之中遇见了很多问题#xff0c;一直想用c类封装一下libcurl,发现c很不到家啊。索性用了友元函数。 先贴上代码吧 main.cpp #include stdio.h
#include stdlib.h
#include unistd.h#in… 使用的QT图形界面用libcurl获取的网页在之中遇见了很多问题一直想用c类封装一下libcurl,发现c很不到家啊。索性用了友元函数。 先贴上代码吧 main.cpp #include stdio.h
#include stdlib.h
#include unistd.h#include curl/curl.h
#include curl/types.h
#include curl/easy.h#include QtGui/QApplication#define mydebug 0using namespace std;#include Dict.hFILE *fp; //定义FILE类型指针size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream)
{int written fwrite(ptr, size, nmemb, (FILE *)fp);return written;
}int getpage(QString aUrl)
{CURL *curl;QString mUrl;mUrl.append(http://dict.baidu.com/s?wd);mUrl.append(aUrl);mUrl.append(tndict);curl_global_init(CURL_GLOBAL_ALL);curlcurl_easy_init();QByteArray ba mUrl.toLatin1();const char *c_str2 ba.data();curl_easy_setopt(curl,CURLOPT_URL,c_str2);if((fpfopen(/home/archy/newfile,w))NULL){curl_easy_cleanup(curl);exit(1);}curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);curl_easy_perform(curl);curl_easy_cleanup(curl);return 0;
}int main(int argc, char *argv[])
{QApplication a(argc, argv);Dialog w;w.show();return a.exec();
} Dict.h #ifndef DICT_H
#define DICT_H#include QtGui
#include translate.h
#include one.hclass QPushButton;
class QLineEdit;
class QTextEdit;class Dialog : public QDialog
{Q_OBJECTpublic:Dialog(QWidget *parent 0);~Dialog();friend int getpage(QString aUrl);QString getResult();private slots:void clearItem();void searchItem();void UpdateClearBtn();void UpdateSearchBtn();private:QPushButton *mClearBtn;QPushButton *mSearchBtn;QLineEdit *mItem;QTextEdit *mResult;one *aone;
};#endif // DICT_H Dict.cpp 1 #include QtGui/QHBoxLayout
#include QtGui/QVBoxLayout
#include Dict.h
#include QMessageBoxextern int getpage(QString aUrl);Dialog::Dialog(QWidget *parent): QDialog(parent)
{//init class of translate//aone new one();//init controlsmClearBtn new QPushButton(Clear);mSearchBtn new QPushButton(Search);mClearBtn-setFlat(1);mClearBtn-setFixedSize(50,30);mSearchBtn-setFlat(1);mSearchBtn-setFixedSize(50,30);mItem new QLineEdit;mResult new QTextEdit;connect(mClearBtn,SIGNAL(clicked()),this,SLOT(clearItem()));connect(mSearchBtn,SIGNAL(clicked()),this,SLOT(searchItem()));QHBoxLayout *aHbox new QHBoxLayout;aHbox-addWidget(mClearBtn);aHbox-addWidget(mItem);aHbox-addWidget(mSearchBtn);QVBoxLayout *aVbox new QVBoxLayout;aVbox-addLayout(aHbox);aVbox-addWidget(mResult);setLayout(aVbox);
}QString Dialog::getResult()
{FILE *fp;char tem;char buffer[2000],final[200];int line 1,counti0,token 0,finalcount0;fp fopen(/home/archy/newfile,r);while((tem fgetc(fp))!EOF){if(tem\n){line;if(line427){break;}}//line;}fgets(buffer,2000,fp);while(buffer[counti]!\n counti 2000){if(buffer[counti] ){token 0;}else if(buffer[counti] ){token 1;}else if(buffer[counti] ! buffer[counti] ! token 1){final[finalcount] buffer[counti];finalcount ;}counti ;}final[finalcount] \0;//QMessageBox msgBox;//msgBox.setText(final);//msgBox.exec();//QString string QString(QLatin1String(final));
// QTextCodec::setCodecForCStrings(QTextCodec::codecForName(GB2312));QTextCodec::setCodecForCStrings(QTextCodec::codecForName(UTF-8));return string;
}void Dialog::clearItem()
{mItem-setText();
}void Dialog::searchItem()
{if(mItem-text() ! ){getpage(mItem-text());QString astring getResult();//QMessageBox msgBox;//msgBox.setText(astring);//msgBox.exec();mResult-setText(astring);}
}Dialog::~Dialog()
{} 还有一个问题就是乱码的问题。 因为是提取的网页只能一个char一个char那样提取现在还是没有想到什么其他办法提取。之后在char[] 转 QString 的时候总是乱码。 哪位博友知道怎么解决的话请给点线索。
