简单教程
提交运行
代码编辑器:
<div style="border: 2px dashed #ccc;width:320px;text-align:center;"> <label for="sitename">网站名(key):</label> <input type="text" id="sitename" name="sitename" class="text"/> <br/> <label for="siteurl">网 址(value):</label> <input type="text" id="siteurl" name="siteurl"/> <br/> <input type="button" onclick="save()" value="新增记录"/> <hr/> <label for="search_phone">输入网站名:</label> <input type="text" id="search_site" name="search_site"/> <input type="button" onclick="find()" value="查找网站"/> <p id="find_result"><br/></p> </div> <br/> <div id="list"> </div> <script> // 载入所有存储在localStorage的数据 loadAll(); //保存数据 function save(){ var siteurl = document.getElementById("siteurl").value; var sitename = document.getElementById("sitename").value; localStorage.setItem(sitename, siteurl); alert("添加成功"); } //查找数据 function find(){ var search_site = document.getElementById("search_site").value; var siteurl = localStorage.getItem(search_site); var find_result = document.getElementById("find_result"); find_result.innerHTML = search_site + "的网址是:" + siteurl; } //将所有存储在localStorage中的对象提取出来,并展现到界面上 function loadAll(){ var list = document.getElementById("list"); if(localStorage.length>0){ var result = "<table border='1'>"; result += "<tr><td>key</td><td>value</td></tr>"; for(var i=0;i<localStorage.length;i++){ var sitename = localStorage.key(i); var siteurl = localStorage.getItem(sitename); result += "<tr><td>"+sitename+"</td><td>"+siteurl+"</td></tr>"; } result += "</table>"; list.innerHTML = result; }else{ list.innerHTML = "数据为空……"; } } </script>
运行结果: