简单的Web留言本

时间：2022-11-23 06:44:47
 <!DOCTYPE html>

 <html>

 <head lang="en">

     <meta charset="UTF-8">

     <title></title>

     <script src="appWeb.js"></script>

 </head>

 <body>

     <p id="msg"></p>

     <textarea id="memo" cols="60" rows="10"></textarea><br/>

     <input type="button" value="追加数据" onclick="saveStorage('memo')">

     <input type="button" value="删除数据" onclick="clearStorage()">

 </body>

 </html>
 /**

  * Created by Eagles on 2015/9/5.

  */

 function saveStorage(id) {

     var data = document.getElementById(id).value;

     var time = new Date().getTime();

     // 保存数据的方法 key value

     localStorage.setItem(time, data);

     alert("数据已储存");

     loadStorage("msg");

     loadStorage("msg");

 }

 function loadStorage(id) {

     var result = "<table border = '2'>";

     for(var i=0; i<localStorage.length;i++){

         var key = localStorage.key(i);

         var value = localStorage.getItem(key);

         var date = new Date();

         date.setTime(key);

         result += "<tr><td>"+value+"</td><td>"+date+"</td></tr>";

     }

     result += "</table>";

     var target = document.getElementById(id);

     target.innerHTML = result;

 }

 function clearStorage(){

     localStorage.clear();

     alert("数据已经删除");

     loadStorage("msg");

 }

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