Html5学习之旅-html5的留言记事本开发（17）
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2022-04-03 15:20:10
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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
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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