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## H5motaMaker/app/src/main/assets/clearStorage.html

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| <!doctype html>
| <html>
| <head>
| <meta http-equiv='content-type' content='text/html' charset='utf-8'>
| <meta http-equiv='X-UA-Compatible' content='IE=Edge, chrome=1'>
| <meta name='author' content='ckcz123'>
| <meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=yes'>
| <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"/>
| <meta name="screen-orientation" content="portrait">
| <meta name="full-screen" content="yes">
| <meta name="browsermode" content="application">
| <meta name="x5-orientation" content="portrait">
| <meta name="x5-fullscreen" content="true">
| <meta name="x5-page-mode" content="app">
| <title>垃圾存档清理工具</title>
| </head>
| <body>
| <h2>垃圾存档清理工具</h2>
| <p>从V2.4以后，存档会分为旧版localStorage存档和新版localForage存档。<br/>在<b style='color:red'>游戏菜单-系统设置-新版存档</b>中可以对存档方式进行切换，请根据需要酌情选择。<p>
| <h4>旧版localStorage存储（合计5M空间限制）：</h4>
| <p>旧版localStorage存档有空间限制，但是使用比较流畅，也能被所有设备所支持。</p>
| <table border="1" id="storage" cellspacing="0">
| <thead>
| <tr><th>ID</th><th>存档数</th><th>占用空间</th><th>操作</th></tr>
| </thead>
| <tbody>
| </tbody>
| </table>
| <p><button onclick="localStorage.clear(); window.location.reload();">全部清理</button></p>
| <p>总个数：<span id="storage_num"></span>；总大小：<span id="storage_size"></span></p>
| <h4>新版localForage存储（无空间限制）：</h4>
| <p>新版localForage存档没有空间限制，但是打开存读档页面时可能会“闪一下”可能造成一定不适的感觉（V2.4.2后解决），同时部分设备可能也不支持。</p>
| <table border="1" id="forage" cellspacing="0">
| <thead>
| <tr><th>ID</th><th>存档数</th><th>占用空间</th><th>操作</th></tr>
| </thead>
| <tbody>
| </tbody>
| </table>
| <p><button onclick="localforage.clear(function(){window.location.reload()});">全部清理</button></p>
| <p>总个数：<span id="forage_num"></span>；总大小：<span id="forage_size"></span></p>
| <a href="/">返回首页</a>
| </body>
| <script>
| /*!
| localForage -- Offline Storage, Improved
| Version 1.7.2
| https://localforage.github.io/localForage
| (c) 2013-2017 Mozilla, Apache License 2.0
| */
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| </script>
| <script>
| function format(size) {
| if (size<1024) return size+"B";
| if (size<1024*1024) return (size/1024).toFixed(2)+"KB";
| return (size/1024/1024).toFixed(2)+"MB";
| }
| function deleteRow(el) {
| while (el.parentNode && el.tagName.toLowerCase() != 'tr')
| el = el.parentNode;
| if (el.parentNode) el.parentNode.removeChild(el);
| }
| function update(type) {
| document.getElementById(type+"_num").innerHTML=eval(type).num;
| document.getElementById(type+"_size").innerHTML=format(eval(type).size);
| }
| function remove(type,name) {
| var rm = function (saves, callback) {
| if (saves.length==0) {callback(); return;}
| var save=saves.shift();
| eval(type).num--;
| eval(type).size-=save.size;
| if (type=='storage') {
| localStorage.removeItem(save.name);
| rm(saves, callback);
| }
| else {
| localforage.removeItem(save.name, function() {
| rm(saves, callback);
| })
| }
| }
| rm(eval(type).map[name].saves||[], function() {
| update(type);
| });
| }
| function buildTable(type) {
| var map=eval(type).map;
| var table=document.getElementById(type);
| for (var name in map) {
| var row=table.insertRow();
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| row.insertCell().innerHTML=map[name].num;
| row.insertCell().innerHTML=format(map[name].size);
| row.insertCell().innerHTML="<button onclick='remove(\""+type+"\",\""+name+"\");deleteRow(this)'>清理</button>";
| }
| }
| function buildMap(type, key, size) {
| var e=/^(\w+)_(save\d+|autoSave)$/.exec(key);
| if (e==null) return;
| var name=e[1];
| var map = eval(type).map;
| if (map[name]==undefined) map[name] = {"num":0,"size":0,"saves":[]};
| map[name].num++;
| map[name].size+=size;
| map[name].saves.push({"name": key, "size": size});
| eval(type).num++;
| eval(type).size+=size;
| }
| //////// storage //////
| var storage = {
| num: 0, size: 0, map: {}
| }
| Object.keys(localStorage).forEach(function (key) {
| buildMap("storage", key, localStorage.getItem(key).length);
| });
| buildTable('storage');
| update('storage');
| //////// forage //////
| var forage = {
| num: 0, size: 0, map: {}
| }
| localforage.iterate(function (value, key, n) {
| buildMap('forage', key, value.length);
| }, function() {
| buildTable('forage');
| update('forage');
| })
| </script>
| </html>

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