新增功能

index.html

@@ -19,7 +19,7 @@
         <button type="button" onclick="playthelist()" id="btngreen">播放列表</button>
         <button type="button" onclick="playnext()" id="btngreen">立即切歌</button>
         <button type="button" onclick="gethistory()" id="btngreen">播放历史</button>
-        <button type="button" onclick="removehistory()" id="btngreen">清空记录</button>
+        <button type="button" onclick="ClearList()" id="btngreen">清空记录</button>
         <div>
             <div id="nowplaystat">Now Playing: <span id="nowplay">None</span></div>
             <audio src="#" controls id="Player"></audio>

js/main.js

@@ -222,4 +222,53 @@ function gethistory(){
 function removehistory(){
     localStorage.removeItem("historyList");
     gethistory();
-}
+}
+
+// 当点击清空列表的时候进行一次确认，如果确认之后再进行删除操作。
+function ClearList(){
+    var Choose = confirm("确定清空歌单吗？(此操作不可逆！)")
+    if(Choose == true){
+        removehistory();
+        console.log("The History List Has been cleared.");
+        return true;
+    }else{
+        console.log("List Clear Canceled!");
+        return false;
+    }
+}
+
+// 添加所有歌曲到播放列表
+function addAllHistorytoPlayList(){
+    var historyList = JSON.parse(localStorage.getItem("historyList"));
+    if(historyList == null){
+        historyList = [];
+    }
+    var reslist = document.getElementById("reslist");
+    reslist.innerHTML = "";
+    for(var i = 0; i < historyList.length; i++){
+        addlist(historyList[i].songid, historyList[i].songname, historyList[i].artist);
+        console.log(`${historyList[i].songname} - ${historyList[i].artist} is add to list.`);
+    }
+    alert("已把历史记录插入到了播放列表");
+    // Planning to Code...
+}
+
+// 清空播放列表
+function ClearthePlaylist(){
+    if(!list.isEmpty()){
+        list.clear();
+        console.log("List Cleared!");
+    }else{
+        console.log("List is empty, not need to clear.")
+    }
+}
+
+// 推送到云播放列表
+function PushToCloud(){
+    // Cloud Prepareing...
+}
+
+// 拉取云播放列表
+function PullToCloud(){
+    // Cloud Prepareing...
+}