Question

我的JSON格式是

    {
      "Featured" : {
        "project" : [ {
          "artist" : "stuff",
          "artistEPK" : "artistsownepk.pdf",
          "author" : "john queue author",
          "date" : "7/28/2016",
          "fullScreenImg" : "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687",
          "linksToMedia" : [ "" ],
          "linksToPress" : [ "" ],
          "location" : "10 Main Street",
          "mainImg" : "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687",
          "pressImgs" : [ "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687" ],
          "pressRelease" : "projectpressrelease.pdf",
          "projectImgs" : [ "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687" ],
          "projectSubheader" : "subheader of project",
          "projectTitle" : "title of project",
          "projectURL" : "",
          "soundFile" : [ "" ],
          "text" : "here there would be a text for james turell",
          "videoURL" : "www.youtube.com/james-m-video"
        } ]
      }
    }

所以当我进入我的Firebase并尝试使用

提取信息时

var ul = document.getElementById("featured_links");

    featuredRef.orderByChild("date").on("child_added", function(snapshot) {
        console.log("inside ref");
        var links = snapshot.val().fullScreenImg;
        var li = document.createElement("li");
        var img = document.createElement("img");
        img.setAttribute("src" , links);
        li.appendChild(img);
        ul.appendChild(li);

        console.log(links);

});

其中，特色链接只是我的html文件中的一个ul，我试图放入。这个新的JSON格式比我的另一个大很多，但是另一个没有读取文件的问题。

其他JSON：

{
  "Featured" : {
    "Link2" : {
      "isEmbed" : false,
      "priority" : 4,
      "tag" : "yahoo people",
      "url" : "https://s3.amazonaws.com/hagshs8282n23/image7.jpg"
    }
  }
}

据我所知，featuredRef.on("child_added", function(snapshot){不是for循环，因为它不会打印＆＃34;在ref＆＃34;当它到达它。目前只有一个数据输入，所以我不知道为什么我遇到这样的问题。

Firebase - 为什么不提取我的信息？

0 个答案: