我在第一個視圖中使用了用Polymer Starter Kit初始化的Polymer應用程序。我想讀一個<paper-listbox>
內JSON文件,併爲每個數組元素的<paper-item>
:Iron-ajax無法讀取json文件
下面是我<paper-listbox>
代碼:
<paper-listbox>
<iron-ajax auto url="/listActivities.json" handle-as="json" last-response="{{activities}}" id="ajaxLoader"></iron-ajax>
<template is="dom-repeat" items="{{activities}}">
<paper-icon-item>
<iron-icon icon="star" item-icon></iron-icon>
<paper-item-body two-line>
<div><span>{{item.label}}</span></div>
<div secondary>Unit game number : <span>{{item.unitGames.length}}</span></div>
</paper-item-body>
</paper-icon-item>
</template>
</paper-listbox>
這是我的JSON文件:
[
{
"_id":"58dbcb30dc0b2a01553c59a9",
"staticMedia":"58d52d626575de2207193fac",
"label":"myfirstgame",
"__v":0,
"unitGames":["58dbcaa5dc0b2a01553c59a8"]
},
{
"_id":"58dd1d3edc0b2a01553c59af",
"staticMedia":"58d12091241b0868bfb29a3b",
"label":"Jeu à l'IUT",
"__v":0,
"unitGames":["58dd1b61dc0b2a01553c59ab"]
},
{
"_id":"58dd23e14704644b4ab307e6",
"staticMedia":"58d12091241b0868bfb29a3b",
"label":"IUT",
"__v":0,
"unitGames":["58dd23ba4704644b4ab307e4"]
},
{
"_id":"58e008d67d08713351f0af13",
"staticMedia":"58d52d626575de2207193fac",
"label":"Test POI clue",
"__v":0,
"unitGames":["58e008b97d08713351f0af12"]
},
{
"_id":"58e10d2d7d08713351f0af22",
"label":"Prunus MLG",
"__v":0,
"unitGames":["58e10d167d08713351f0af21"]
}
]
該應用程序不需要我的JSON文件的每個部分(只需要label
和unitGames
)。當我運行該應用程序時,它在視圖標題後沒有顯示任何內容。我該如何解決?
自動設置,但我找到了我的解決方案,非常感謝回答。 – Rhohen