Html5学习之旅-html5的留言记事本开发(17)

web留言记事本的开发

!!!!!代码如下

index.html的代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>H5表格提交</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>

js的代码

function saveStorage(id){
    var data = document.getElementById(id).value;
    var time = new Date().getTime();
    localStorage.setItem(time,data);
    loadStorage('msg');
}
function loadStorage(id){
    var result = "<table border = '1'>";
    for(var i = 0;i < loadStorage.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();
    loadStorage('msg');
}

!!!!效果图

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