grootJs 属性过滤器

index10.html

<html>
<head>
    <title>属性过滤器</title>
    <script src="jquery-1.11.2.min.js"></script>
    <script src="groot.js"></script>
</head>
<body>
<div gt-view="myview">
    <span gt-text="_.d({time},'yyyy-MM-dd')"></span>
</div>
</body>
</html>
<script>
    var view = groot.view("myview", function (vm, ve) {
        vm.time = "2013/10/20";
    });
</script>

属性过滤器定义

groot.filter(
    {
        "d": function (value, format) {
            if (!value) return;
            if (!format) format = "yyyy-MM-dd";
            switch (typeof value) {
                case "string":
                    value = new Date(value.replace(/-/, "/"));
                    break;
                case "number":
                    value = new Date(value);
                    break;
            }
            if (!value instanceof Date) return;
            var dict = {
                "yyyy": value.getFullYear(),
                "M": value.getMonth() + 1,
                "d": value.getDate(),
                "H": value.getHours(),
                "m": value.getMinutes(),
                "s": value.getSeconds(),
                "MM": ("" + (value.getMonth() + 101)).substr(1),
                "dd": ("" + (value.getDate() + 100)).substr(1),
                "HH": ("" + (value.getHours() + 100)).substr(1),
                "mm": ("" + (value.getMinutes() + 100)).substr(1),
                "ss": ("" + (value.getSeconds() + 100)).substr(1)
            };
            return format.replace(/(yyyy|MM?|dd?|HH?|ss?|mm?)/g, function () {
                return dict[arguments[0]];
            });
        }
    }
)