html

<div class="form-picker-container"
 id="a"
 data-layer="1"
 data-setData='[{"value":"加重","text":"加重"},{"value":"减轻","text":"减轻"},{"value":"无变化","text":"无变化"}]'>
 <span>请选择</span>
</div>

js

$(".form-picker-container").each(function(){
    var that = $(this);
    var id = that.attr('id');
    var setData = that.attr('data-setData');
    setData = JSON.parse(setData);
    var arr = [];
    for(var i=0;i<setData.length;i++){
        var brr = setData[i];
        var value = brr.value;
        var text = brr.text;
        arr.push({value:value, text:text});
    }
    that.on('tap', function() {
        var picker = new mui.PopPicker();
        picker.setData(arr);
        picker.show(function(items) {
            //that.val(items[0].value);
            $('#' + id).html(items[0].text);
            picker.dispose();
        });
    });
});