C++ WLineEdit::setPlaceholderText方法代码示例

void BasePage::addBook(){
	WContainerWidget *container = new WContainerWidget();
	Wt::WTemplate *t = new Wt::WTemplate(Wt::WString::tr("addBookForm"));
	
	WLineEdit *editTitle = new WLineEdit(container);
	editTitle->setPlaceholderText("title");
	t->bindWidget("title", editTitle);
	
	WLineEdit *editAuthor = new WLineEdit(container);
	editAuthor->setPlaceholderText("author");
	t->bindWidget("author", editAuthor);
	
	WLineEdit *editAuthorYears = new WLineEdit(container);
	editAuthorYears->setPlaceholderText("years of life");
	t->bindWidget("years", editAuthorYears);
	
	WLineEdit *editGenre = new WLineEdit(container);
	editGenre->setPlaceholderText("genre");
	t->bindWidget("genre", editGenre);
	
	WLineEdit *editYear = new WLineEdit(container);
	editYear->setPlaceholderText("year");
	t->bindWidget("year", editYear);
	
	WLineEdit *editSeria = new WLineEdit(container);
	editSeria->setPlaceholderText("seria");
	t->bindWidget("seria", editSeria);
	
	WLineEdit *editNumOfBooks = new WLineEdit(container);
	editNumOfBooks->setPlaceholderText("num of books");
	t->bindWidget("numOfBooks", editNumOfBooks);
	
	WLineEdit *editNumInSeria = new WLineEdit(container);
	editNumInSeria->setPlaceholderText("number in seria");
	t->bindWidget("numInSeria", editNumInSeria);
	
	WLineEdit *editMark = new WLineEdit(container);
	editMark->setPlaceholderText("mark");
	editMark->setValidator(new Wt::WIntValidator(1, 10));
	t->bindWidget("mark", editMark);
	
	WPushButton *button = new WPushButton("Add book", container);
	button->setMargin(10, Top | Bottom);

	button->clicked().connect(std::bind([=] () {BookManager bm; bm.addBook(editTitle->valueText().toUTF8(),
																		   editAuthor->valueText().toUTF8(),
																		   editAuthorYears->valueText().toUTF8(),
																		   editGenre->valueText().toUTF8(),
																		   intoInt(editYear),
																		   editSeria->valueText().toUTF8(),
																		   intoInt(editNumOfBooks),
																		   intoInt(editNumInSeria),
																		   intoInt(editMark)); }));
	
	t->bindWidget("button", button);
	_pagecontent->addWidget(t);	
}

/*void BasePage::addAuthor(){
	WContainerWidget *container1 = new WContainerWidget();
	Wt::WTemplate *r = new Wt::WTemplate(Wt::WString::tr("addAuthorForm"));
	
	WLineEdit *editName = new WLineEdit(container1);
	editName->setPlaceholderText("name");
	r->bindWidget("name", editName);
	
	WLineEdit *editYears = new WLineEdit(container1);
	editYears->setPlaceholderText("years");
	r->bindWidget("years", editYears);
				  
	WPushButton *button = new WPushButton("Add author", container1);
	button->setMargin(10, Top | Bottom);
				  
	button->clicked().connect(std::bind([=] () {BookManager am; am.addAuthor("123","2016"); }));
				  
	r->bindWidget("button", button);
	_pagecontent->addWidget(r);
}*/
void BasePage::addMark(const Dbo::collection<Dbo::ptr<Book> >& listaddmark){	
	WTable *table = new WTable();
	table->setHeaderCount(1);
	table->setStyleClass("tablestyle");
	table->elementAt(0, 0)->addWidget(new WText("<p align='left'> # </p>"));
	table->elementAt(0, 1)->addWidget(new WText("<p align='left'> Title of book </p>"));
	table->elementAt(0, 2)->addWidget(new WText("<p align='left'> Author </p>"));
	table->elementAt(0, 3)->addWidget(new WText("<p align='left'> Genre </p>"));
	table->elementAt(0, 4)->addWidget(new WText("<p align='left'> Add your mark </p>"));
	_pagecontent->addWidget(table);
	int row=1;
		for (Dbo::collection<Dbo::ptr<Book> >::const_iterator i = listaddmark.begin(); i != listaddmark.end(); ++i){
			Dbo::ptr<Book> book = *i;
			table->setStyleClass("tablestyle th,td,tr");
			//headers
			table->elementAt(row, 0)
			->addWidget(new WText(WString::fromUTF8("{1}")
					  .arg(row)));
			//titles
			table->elementAt(row, 1)
			->addWidget(new WText(WString::fromUTF8("{1}")
				      .arg(book.get()->title)));
			//authors
			table->elementAt(row, 2)
			->addWidget(new WText(WString::fromUTF8("{1}")
				      .arg((book.get()->author.get()->name))));
			//genres
			table->elementAt(row, 3)
			->addWidget(new WText(WString::fromUTF8("{1}")
				      .arg((book.get()->genre.get()->genre))));
			//add mark
			WLineEdit *editAddMark = new WLineEdit(table->elementAt(row,4));
			editAddMark->setPlaceholderText("Add mark");
			table->elementAt(row, 4)
			->addWidget(editAddMark);
			table->elementAt(row, 4)
			->addWidget(new WText("<br></br>"));
			WPushButton *button = new WPushButton("Add mark", table->elementAt(row,4));
			button->setMargin(10, Top | Bottom);
			table->elementAt(row, 4)
			->addWidget(button);
			/*button->clicked().connect(std::bind([] ( Dbo::ptr<Book> book) {
						BookManager bm;
						std::cout<<book.get()->title; 
						int curMark=book.get()->mark; 
						int curNumMarks=book.get()->numMarks; 	
						bm.refreshRate(book.get()->id, curMark+5, curNumMarks+1, session);												
			},*i ));*/
			row++;
			_pagecontent->addWidget(table);	
		}
}