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QImage image = QImageReader(file).read();
QTextDocument *textDocument = m_textEdit->document();
textDocument->addResource(QTextDocument::ImageResource, url, QVariant(image));
QTextCursor cursor = m_textEdit->textCursor();
QTextImageFormat imageFormat;
imageFormat.setWidth(image.width() / 3 * 2);
imageFormat.setHeight(image.height() / 3 *2);
imageFormat.setName(url.toString());
cursor.insertImage(imageFormat);
QTextDocumentWriter writer("D:/fie/112.log");
bool success = writer.write(m_textEdit->document());
if (success)
m_textEdit->document()->setModified(false);
//QByteArray buffer = m_textEdit->toPlainText().toLatin1();
//QFile file(xxx);
//QTextStream in(&file);
//in << buffer;