CCLabelTTF之换行

<版本：cocos2d-x——V2.2.1>

CCLabelTTF * CCLabelTTF::create(
const char *string,   // 显示字符串
const char *fontName,  // 字体名
float fontSize, // 字体大小
const CCSize& dimensions, // 显示尺寸
CCTextAlignment hAlignment); // 水平对齐方式
// kCCTextAlignmentLeft左对齐
// kCCTextAlignmentCenter居中
// kCCTextAlignmentRight右对齐

CCLabelTTF* CCLabelTTF::create(
const char *string,
const char *fontName,
float fontSize,
const CCSize &dimensions,
CCTextAlignment hAlignment,
CCVerticalTextAlignment vAlignment); // 垂直对齐方式
// kCCVerticalTextAlignmentTop顶对齐
// kCCVerticalTextAlignmentCenter居中
// kCCVerticalTextAlignmentBottom底对齐

bool HelloWorld::init()
{
bool bRet = false;
do
{
CC_BREAK_IF(! CCLayer::init());

CCSize size = CCDirector::sharedDirector()->getWinSize();

string str = "Silent night, holy night,All is calm, all is bright."
"Round your Virgin, Mother and Child.Holy infant so tender and mild,Sleep in heavenly peace,"
"Sleep in heavenly peace.Silent night, holy night,"
"Shepherds quake at the sight.Glories stream from heaven afar,"
"Heavenly hosts sing Alleluia,Christ the Savior is born,"
"Christ the Savior is born.";
CCLabelTTF* label = CCLabelTTF::create(str.c_str(),"Arial",35,size,kCCTextAlignmentLeft);
label->setAnchorPoint(CCPointZero);
label->setPosition(CCPointZero);
this->addChild(label);

bRet = true;
} while (0);

return true;
}