输入框的展示

效果：

.h文件：

#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__
#include "UIEditBox.h"
#include "cocos2d.h"
class HelloWorld : public cocos2d::Layer//, public cocos2d::ui::EditBoxDelegate
{
public:
    static cocos2d::Scene* createScene();

    virtual bool init();
    
    // a selector callback
    void menuCloseCallback(cocos2d::Ref* pSender);
protected:
	cocos2d::Label* _TTFShowEditReturn;
	cocos2d::ui::EditBox* _editName;
	cocos2d::ui::EditBox* _editPassword;
	cocos2d::ui::EditBox* _editEmail;
    
    // implement the "static create()" method manually
    CREATE_FUNC(HelloWorld);
};

#endif // __HELLOWORLD_SCENE_H__

.cpp文件：

#include "HelloWorldScene.h"
USING_NS_CC;
using namespace cocos2d::ui;

Scene* HelloWorld::createScene()
{
    // 'scene' is an autorelease object
    auto scene = Scene::create();
    
    // 'layer' is an autorelease object
    auto layer = HelloWorld::create();

    // add layer as a child to scene
    scene->addChild(layer);

    // return the scene
    return scene;
}

// on "init" you need to initialize your instance
bool HelloWorld::init()
{
    //////////////////////////////
    // 1. super init first
    if ( !Layer::init() )
    {
        return false;
    }
    
  //  Size visibleSize = Director::getInstance()->getVisibleSize();
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
	auto glview = Director::getInstance()->getOpenGLView();
	auto visibleOrigin = glview->getVisibleOrigin();
	auto visibleSize = glview->getVisibleSize();
    /////////////////////////////
    // 2. add a menu item with "X" image, which is clicked to quit the program
    //    you may modify it.

	auto editBoxSize = Size(visibleSize.width - 100, visibleSize.height * 0.1);

	// top
	std::string pNormalSprite = "extensions/green_edit.png";
	_editName = ui::EditBox::create(editBoxSize, ui::Scale9Sprite::create(pNormalSprite));
	_editName->setPosition(Vec2(visibleOrigin.x + visibleSize.width / 2, visibleOrigin.y + visibleSize.height * 3 / 4));
	_editName->setFontColor(Color3B::RED);
	_editName->setPlaceHolder("Name:");
	_editName->setPlaceholderFontColor(Color3B::WHITE);
	_editName->setMaxLength(8);
	_editName->setFontSize(editBoxSize.height / 2);
	_editName->setText("  ");
	_editName->setReturnType(ui::EditBox::KeyboardReturnType::DONE);
	//_editName->setDelegate(this);
	addChild(_editName);

	// middle
	_editPassword = ui::EditBox::create(editBoxSize, "extensions/orange_edit.png");
	_editPassword->setPosition(Vec2(visibleOrigin.x + visibleSize.width / 2, visibleOrigin.y + visibleSize.height / 2));
	_editPassword->setFontColor(Color3B::GREEN);
	_editPassword->setPlaceHolder("Password:");
	_editPassword->setMaxLength(6);
	_editPassword->setInputFlag(ui::EditBox::InputFlag::PASSWORD);
	_editPassword->setInputMode(ui::EditBox::InputMode::SINGLE_LINE);
	_editPassword->setFontSize(editBoxSize.height / 2);
	//_editPassword->setDelegate(this);
	addChild(_editPassword);

	// bottom
	auto bottomButtonSize = Size(editBoxSize.width, editBoxSize.height + 10);
	_editEmail = ui::EditBox::create(bottomButtonSize, "extensions/yellow_edit.png");
	_editEmail->setPosition(Vec2(visibleOrigin.x + visibleSize.width / 2, visibleOrigin.y + visibleSize.height / 4));
	_editEmail->setPlaceHolder("Email:");
	_editEmail->setInputMode(ui::EditBox::InputMode::EMAIL_ADDRESS);
	//_editEmail->setDelegate(this);
	addChild(_editEmail);

    // add a "close" icon to exit the progress. it's an autorelease object
    auto closeItem = MenuItemImage::create(
                                           "CloseNormal.png",
                                           "CloseSelected.png",
                                           CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));
    
	closeItem->setPosition(Vec2(origin.x + visibleSize.width - closeItem->getContentSize().width/2 ,
                                origin.y + closeItem->getContentSize().height/2));

    // create menu, it's an autorelease object
    auto menu = Menu::create(closeItem, NULL);
    menu->setPosition(Vec2::ZERO);
    this->addChild(menu, 1);

    /////////////////////////////
    // 3. add your codes below...

    // add a label shows "Hello World"
    // create and initialize a label
    
    auto label = Label::createWithTTF("Hello World", "fonts/Marker Felt.ttf", 24);
    
    // position the label on the center of the screen
    label->setPosition(Vec2(origin.x + visibleSize.width/2,
                            origin.y + visibleSize.height - label->getContentSize().height));

    // add the label as a child to this layer
    this->addChild(label, 1);

    // add "HelloWorld" splash screen"
  //  auto sprite = Sprite::create("HelloWorld.png");

    // position the sprite on the center of the screen
   // sprite->setPosition(Vec2(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));

    // add the sprite as a child to this layer
    //this->addChild(sprite, 0);
    
    return true;
}


void HelloWorld::menuCloseCallback(Ref* pSender)
{
    Director::getInstance()->end();

#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
    exit(0);
#endif
}