angularjs实现星星评分

angularjs实现星星评分

自定义指令

app.directive('myStars', function () {
    return {
        require : '?ngModel', // ?ngModel
        restrict : 'E',
        replace : true,
        templateUrl : 'ui/templateUrl/myStars.html',
        scope: {ngModel : '='},
        link: function ($scope, element, attrs, ngModel) {
            $scope.myStars = [1,2,3,4,5];
            $scope.clickCnt = 1;
            $scope.$watch('ngModel', function(newValue) {
                var dataList = newValue;
                console.log(dataList);
                if(!dataList) return;
                $scope.myStar = dataList;
                $scope.clickCnt = dataList;
            })
            $scope.stars = function (myStar) {
                $scope.clickCnt = myStar;
                ngModel.$setViewValue(myStar);
            }
            
            $scope.mouseoverStar = function (myStar) {
                $scope.hoverCnt = myStar;
            }
            $scope.mouseleaveStar = function (myStar) {
                $scope.hoverCnt = 1;
            }
        }
    }
});

里面的myStars.html

<div>
    <meta charset="utf-8">
    <ul class="my-stars-list">
        <li class="my-stars-items" ng-mouseover="mouseoverStar(myStar)" ng-mouseleave="mouseleaveStar(maStar)" ng-click="stars(myStar)" ng-class="{myStarsSel: clickCnt > $index , myStarHover: hoverCnt > $index }" ng-repeat="myStar in myStars track by $index" title="{{ myStar }}星">{{ myStar }}</li>
    </ul>
</div>
html中的使用如下:

<my-stars ng-model="drLevel"></my-stars>

css样式:

.my-stars-list{
    height: 34px;
    line-height: 34px;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
}
.my-stars-items{
    cursor:pointer;
    font-size:0;
    width: 34px;
    line-height: 34px;
    height:34px;
    background-image: url(../images/star-off-big.png);
    background-repeat: no-repeat;
    background-position: center center;
}
.myStarHover.my-stars-items{
    background-image: url(../images/star-on-big.png);
    background-repeat: no-repeat;
    background-position: center center;
}
.myStarsSel.my-stars-items{
    background-image: url(../images/star-on-big.png);
    background-repeat: no-repeat;
    background-position: center center;
}

css中的图片:

完成的效果:

获取点击的是多少直接

var level = $scope.drLevel;