WEB前端数据存储：本地存储案例
摘要：前端用什么开发工具|前端登录页面开发|美团前端开发面试 html 代码 <!DOCTYPE html> <html> <head> <meta charset=”utf-8″ /> <title>HTML5本地存储之web Sto……
前端用什么开发工具|前端登录页面开发|美团前端开发面试
html 代码
<!DOCTYPE html>
<html>
<head>
<meta charset=”utf-8″ />
<title>HTML5本地存储之web Storage篇</title>
</head>
<body>
<div style=”border: 2px dashed #ccc;width:320px;text-align:center;”>
<label for=”user_name”>姓名：</label>
<input type=”text” id=”user_name” name=”user_name” class=”text” />
<br/>
<label for=”mobilephone”>手机：</label>
<input type=”text” id=”mobilephone” name=”mobilephone” />
<br/>
<label for=”company”>公司：</label>
<input type=”text” id=”company” name=”company” />
<br/>
<input type=”button” onclick=”save()” value=”新增记录” />
<hr/>
<label for=”search_phone”>输入手机号：</label>
<input type=”text” id=”search_phone” name=”search_phone” />
<input type=”button” onclick=”find()” value=”查找机主” />
<p id=”find_result”>
<br/>
</p>
</div>
<br/>
<div id=”list”>
</div>
<script type=”text/javascript”>
function loadAll() {
var list = document.getElementById(“list”);
if (localStorage.length > 0) {
var result = “<table border=’1′>”;
result += “<tr><td>姓名</td><td>手机</td><td>公司</td></tr>”;
for (var i = 0; i < localStorage.length; i++) {
var mobilephone = localStorage.key(i);
console.log(mobilephone, 3333)
var str = localStorage.getItem(mobilephone);
console.log(str, 11)
var contact = JSON.parse(str);
result += “<tr><td>” + contact.user_name + “</td><td>” + contact.mobilephone + “</td><td>” + contact.company + “</td></tr>”;
}
result += “</table>”;
list.innerHTML = result;
} else {
list.innerHTML = “目前数据为空，赶紧开始加入联系人吧”;
}
}
//保存数据
function save() {
localStorage.clear();//清空缓存
var contact = new Object;
contact.user_name = document.getElementById(“user_name”).value;
contact.mobilephone = document.getElementById(“mobilephone”).value;
contact.company = document.getElementById(“company”).value;
var str = JSON.stringify(contact);
localStorage.setItem(contact.mobilephone, str);
loadAll();
}
function find() {
var search_phone = document.getElementById(“search_phone”).value;
var name = localStorage.getItem(search_phone);
var contact = JSON.parse(name);
console.log(typeof (contact))
var find_result = document.getElementById(“find_result”);
find_result.innerHTML = search_phone + “的机主是：” + contact.user_name;
}
//将所有存储在localStorage中的对象提取出来，并展现到界面上
</script>
</body>
</html>
nodejs前端开发工具|前端开发ide 知乎|前端 可视化 开发工具
» 本文来自：前端开发者 » 《WEB前端数据存储：本地存储案例》
» 本文链接地址：https://www.rokub.com/5212.html
» 您也可以订阅本站：https://www.rokub.com
近期评论