app/assets/javascripts/image.coffee
$ ->
$("a[data-remote].image-like").on "ajax:success", (e, data, status, xhr) ->
image_html_id = $(this).attr("id")
image_id = image_html_id.split("-")[2]
if data.status == 0
$("#image-like-#{image_id}>i").attr("class", "fa fa-heart")
$("#like-count-#{image_id}").text(data.cur_num)
else if data.status == 1
$("#image-like-#{image_id}>i").attr("class", "fa fa-heart-o")
$("#like-count-#{image_id}").text(data.cur_num)
else
alert "点赞出错了!服务器说自己有病:#{data.status}"