(function(){

var itemTmpl = '<div class="star-score">$starstr</div>';

function _getStars(){

console.log(this.score)   //打印undefined???????

var _score = this.score.toString();

console.log(_score)

var scroeArray = _score.split('.');

var fullstar = parseInt(scroeArray[0]);

var halfstar = parseInt(scroeArray[1]) >= 5 ? 1 : 0;

var nullstar =  5 - fullstar - halfstar;

var starstr = '';

for (var i = 0; i < fullstar; i++){

starstr += '</div class="star fullstar"></div>'

}

for (var i = 0; i < halfstar; i++){

starstr += '</div class="star halfstar"></div>'

}

for (var i = 0; i < nullstar; i++){

starstr += '</div class="star nullstar"></div>'

}

return itemTmpl.replace('$starstr', starstr);

}

window.StarScore = function(score){

this.score = score || '';

console.log(this.score)

this.getStars = _getStars;

}

})();