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Posted to commits@weex.apache.org by ta...@apache.org on 2017/06/06 05:34:46 UTC
[11/51] [abbrv] [partial] incubator-weex-site git commit: Site
updated: 2017-06-06 13:34:06
http://git-wip-us.apache.org/repos/asf/incubator-weex-site/blob/391e7d68/cn/references/modules/storage.html
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-<!DOCTYPE html>
-<html>
-<head>
- <meta charset="utf-8">
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- <title>storage | Weex</title>
- <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
- <meta name="description" content="storage 本地存储v0.7+ 备注：0.7及以上版本可用 storage 是一个在前端比较常用的模块，可以对本地数据进行存储、修改、删除，并且该数据是永久保存的，除非手动清除或者代码清除。但是，storage 模块有一个限制就是浏览器端（H5）只能存储小于5M的数据，因为在 H5/Web 端的实现是采用 HTML5 LocalStorage API。而 Android 和 iOS 这块是没什">
-<meta property="og:type" content="website">
-<meta property="og:title" content="storage">
-<meta property="og:url" content="https://weex-project.io/cn/references/modules/storage.html">
-<meta property="og:site_name" content="Weex">
-<meta property="og:description" content="storage 本地存储v0.7+ 备注：0.7及以上版本可用 storage 是一个在前端比较常用的模块，可以对本地数据进行存储、修改、删除，并且该数据是永久保存的，除非手动清除或者代码清除。但是，storage 模块有一个限制就是浏览器端（H5）只能存储小于5M的数据，因为在 H5/Web 端的实现是采用 HTML5 LocalStorage API。而 Android 和 iOS 这块是没什">
-<meta property="og:updated_time" content="2017-04-28T02:36:21.000Z">
-<meta name="twitter:card" content="summary">
-<meta name="twitter:title" content="storage">
-<meta name="twitter:description" content="storage 本地存储v0.7+ 备注：0.7及以上版本可用 storage 是一个在前端比较常用的模块，可以对本地数据进行存储、修改、删除，并且该数据是永久保存的，除非手动清除或者代码清除。但是，storage 模块有一个限制就是浏览器端（H5）只能存储小于5M的数据，因为在 H5/Web 端的实现是采用 HTML5 LocalStorage API。而 Android 和 iOS 这块是没什">
-
- <link rel="alternate" href="/atom.xml" title="Weex" type="application/atom+xml">
-
-
- <link rel="icon" href="//gw.alicdn.com/tps/TB1XNqxPXXXXXcSXVXXXXXXXXXX-64-63.png">
-
-
- <link href="//fonts.googleapis.com/css?family=Source+Code+Pro" rel="stylesheet" type="text/css">
-
- <link rel="stylesheet" href="/css/style.css">
- <link rel="stylesheet" href="/css/swiper.min.css">
-</head>
-
-<body id="references" class="lang-cn">
-
- <script>
- window.PAGE_TYPE = "references";
- window.ROOT = "/"
- </script>
- <header id="header">
- <div class="navbar">
- <a id="logo" href="/cn/">
- <img src="//img.alicdn.com/tps/TB1zBLaPXXXXXXeXXXXXXXXXXXX-121-59.svg" />
- </a>
- <div class="main-nav">
- <ul class="links">
- <li><a href="/cn/guide">教程</a></li>
- <li><a href="/cn/references">手册</a></li>
- <li class="dropdown">
- <a href="javascript:;">参考</a>
- <ul class="dropdown-menu subnav">
- <li>
- <a href="/cn/faq.html">FAQ</a>
- </li>
- <li>
- <a href="/cn/releasenote.html">版本说明</a>
- </li>
- </ul>
- </li>
- <li class="dropdown">
- <a href="javascript:;">工具和服务</a>
- <ul class="dropdown-menu subnav">
- <li>
- <a href="/cn/playground.html">Playground</a>
- </li>
- <li>
- <a href="/cn/guide/tools/toolkit.html">Weex-toolkit</a>
- </li>
- <li>
- <a href="http://dotwe.org" target="_blank">Code Snippets</a>
- </li>
- <li>
- <a href="https://market.dotwe.org" target="_blank">Market</a>
- </li>
- </ul>
- </li>
- </ul>
- <ul class="info">
- <li><a href="https://github.com/apache/incubator-weex/" target="_blank"><span class="btn-github iconfont icon-github"></span></a></li>
- </ul>
- <ul class="tools">
- <li>
- <div class="search">
- <form id="search-form" class="search-form"> <!-- 搜索框相关 -->
- <input type="text" id="search-input-header" name="q" results="0" class="form-control search-input" autocomplete="off" autocorrect="off"/>
- <span class="iconfont icon-search"></span>
- </form>
- <div class="results-panel">
- </div>
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- </li>
- <li>
- <div class="dropdown select-lang">
- <a href="javascript:;" class="dropdown-toggle">
- Language
- <span class="caret"></span>
- </a>
- <ul class="dropdown-menu pick-lang">
- <li>
- <a href="/references/modules/storage.html" data-lang="en">English</a>
- </li>
- <li>
- <a href="/cn/references/modules/storage.html" data-lang="zh-cn">中文</a>
- </li>
- </ul>
- </div>
- </li>
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- </ul>
- </div>
- </div>
- <div id="mobile-nav">
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- <div class="sidebar-menu">
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- <form id="search-form" class="search-form"> <!-- 搜索框相关 -->
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- <span class="iconfont icon-search"></span>
- </form>
- <div class="results-panel">
- </div>
-</div>
-
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-<div class="doc-nav-version">
- <select class="versionBtn" stype="/cn/references">
-
- <option value="2v" selected>v2.x</option>
- <option value="1v">v1.x</option>
-
- </select>
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-<div class="summary">
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- <h3 class="chapter-title"><a href="/cn/references/index.html" class="sidebar-link ">通用特性</a></h3>
-
- <ul class="chapter">
-
- <li>
- <a href="/cn/references/ios-apis.html" class="sidebar-link ">iOS APIs</a>
- </li>
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- <a href="/cn/references/android-apis.html" class="sidebar-link ">Android APIs</a>
- </li>
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- <a href="/cn/references/html5-apis.html" class="sidebar-link ">HTML5 APIs</a>
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- <a href="/cn/references/common-style.html" class="sidebar-link ">通用样式</a>
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- <a href="/cn/references/text-style.html" class="sidebar-link ">文本样式</a>
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- <a href="/cn/references/components/waterfall.html" class="sidebar-link "><waterfall></a>
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- <a href="/cn/references/components/loading.html" class="sidebar-link "><loading></a>
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- <h3 class="chapter-title"><a href="/cn/references/modules/index.html" class="sidebar-link ">内建模块</a></h3>
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- <ul class="chapter">
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- <li>
- <a href="/cn/references/modules/animation.html" class="sidebar-link ">animation</a>
- </li>
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- <li>
- <a href="/cn/references/modules/picker.html" class="sidebar-link ">picker</a>
- </li>
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- <li>
- <a href="/cn/references/modules/websocket.html" class="sidebar-link ">WebSocket</a>
- </li>
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- <li>
- <a href="/cn/references/modules/clipboard.html" class="sidebar-link ">clipboard</a>
- </li>
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- <li>
- <a href="/cn/references/modules/dom.html" class="sidebar-link ">dom</a>
- </li>
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- <a href="/cn/references/modules/modal.html" class="sidebar-link ">modal</a>
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- <a href="/cn/references/modules/navigator.html" class="sidebar-link ">navigator</a>
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- <a href="/cn/references/modules/storage.html" class="sidebar-link current ">storage</a>
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- <a href="/cn/references/modules/stream.html" class="sidebar-link ">stream</a>
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- <a href="/cn/references/modules/webview.html" class="sidebar-link ">webview</a>
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- <a href="/cn/references/modules/globalevent.html" class="sidebar-link ">globalEvent</a>
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- <h3 class="chapter-title"><a href="/cn/references/native-dom-api.html" class="sidebar-link ">Native DOM APIs</a></h3>
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- <h3 class="chapter-title"><a href="/cn/references/weex-variable.html" class="sidebar-link ">Weex 实例变量</a></h3>
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- <h3 class="chapter-title"><a href="/cn/references/web-standards.html" class="sidebar-link ">Web 标准</a></h3>
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- <ul class="chapter">
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- <li>
- <a href="/cn/references/vue/difference-with-web.html" class="sidebar-link ">Vue 2.x 在 Weex 和 Web 中的差异</a>
- </li>
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- <li>
- <a href="/cn/references/vue/difference-of-vuex.html" class="sidebar-link ">使用 Vuex 和 vue-router</a>
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- <li>
- <h3 class="chapter-title"><a href="/cn/references/advanced/index.html" class="sidebar-link ">高阶知识</a></h3>
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- <ul class="chapter">
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- <li>
- <a href="/cn/references/advanced/extend-to-ios.html" class="sidebar-link ">iOS 扩展</a>
- </li>
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- <li>
- <a href="/cn/references/advanced/extend-to-android.html" class="sidebar-link ">Android 扩展</a>
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- <a href="/cn/references/advanced/extend-to-html5.html" class="sidebar-link ">HTML5 扩展</a>
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- <a href="/cn/references/advanced/extend-jsfm.html" class="sidebar-link ">拓展 JS framework</a>
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- <a href="/cn/references/advanced/integrate-devtool-to-android.html" class="sidebar-link ">集成 Devtools 到 Android</a>
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- <a href="/cn/references/advanced/integrate-devtool-to-ios.html" class="sidebar-link ">集成 Devtools 到 iOS</a>
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- <a href="/cn/references/platform-difference.html" class="sidebar-link ">Weex 和 Web 平台的差异</a>
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- <a href="/cn/references/migration/migration-from-weex.html" class="sidebar-link ">如何将原有 Weex 项目改造成 Vue 版本</a>
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- <a href="/cn/references/migration/difference.html" class="sidebar-link ">Weex 和 Vue 2.x 的语法差异</a>
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- <li>
- <h3 class="chapter-title"><a href="/cn/references/components/index.html" class="sidebar-link ">内建组件</a></h3>
-
- <ul class="chapter">
-
- <li>
- <a href="/cn/references/components/a.html" class="sidebar-link "><a></a>
- </li>
-
- <li>
- <a href="/cn/references/components/slider.html" class="sidebar-link "><slider></a>
- </li>
-
- <li>
- <a href="/cn/references/components/indicator.html" class="sidebar-link "><indicator></a>
- </li>
-
- <li>
- <a href="/cn/references/components/switch.html" class="sidebar-link "><switch></a>
- </li>
-
- <li>
- <a href="/cn/references/components/text.html" class="sidebar-link "><text></a>
- </li>
-
- <li>
- <a href="/cn/references/components/textarea.html" class="sidebar-link "><textarea></a>
- </li>
-
- <li>
- <a href="/cn/references/components/video.html" class="sidebar-link "><video></a>
- </li>
-
- <li>
- <a href="/cn/references/components/web.html" class="sidebar-link "><web></a>
- </li>
-
- <li>
- <a href="/cn/references/components/div.html" class="sidebar-link "><div></a>
- </li>
-
- <li>
- <a href="/cn/references/components/image.html" class="sidebar-link "><image></a>
- </li>
-
- <li>
- <a href="/cn/references/components/list.html" class="sidebar-link "><list></a>
- </li>
-
- <li>
- <a href="/cn/references/components/input.html" class="sidebar-link "><input></a>
- </li>
-
- <li>
- <a href="/cn/references/components/waterfall.html" class="sidebar-link "><waterfall></a>
- </li>
-
- <li>
- <a href="/cn/references/components/cell.html" class="sidebar-link "><cell></a>
- </li>
-
- <li>
- <a href="/cn/references/components/loading.html" class="sidebar-link "><loading></a>
- </li>
-
- <li>
- <a href="/cn/references/components/refresh.html" class="sidebar-link "><refresh></a>
- </li>
-
- <li>
- <a href="/cn/references/components/scroller.html" class="sidebar-link "><scroller></a>
- </li>
-
- </ul>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/modules/index.html" class="sidebar-link ">内建模块</a></h3>
-
- <ul class="chapter">
-
- <li>
- <a href="/cn/references/modules/animation.html" class="sidebar-link ">animation</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/picker.html" class="sidebar-link ">picker</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/websocket.html" class="sidebar-link ">WebSocket</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/clipboard.html" class="sidebar-link ">clipboard</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/dom.html" class="sidebar-link ">dom</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/modal.html" class="sidebar-link ">modal</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/navigator.html" class="sidebar-link ">navigator</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/storage.html" class="sidebar-link current ">storage</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/stream.html" class="sidebar-link ">stream</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/webview.html" class="sidebar-link ">webview</a>
- </li>
-
- <li>
- <a href="/cn/references/modules/globalevent.html" class="sidebar-link ">globalEvent</a>
- </li>
-
- </ul>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/unit.html" class="sidebar-link ">CSS 单位</a></h3>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/common-event.html" class="sidebar-link ">通用事件</a></h3>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/native-dom-api.html" class="sidebar-link ">Native DOM APIs</a></h3>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/weex-variable.html" class="sidebar-link ">Weex 实例变量</a></h3>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/web-standards.html" class="sidebar-link ">Web 标准</a></h3>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/js-service/index.html" class="sidebar-link ">JS Service</a></h3>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/vue/index.html" class="sidebar-link ">Vue</a></h3>
-
- <ul class="chapter">
-
- <li>
- <a href="/cn/references/vue/difference-with-web.html" class="sidebar-link ">Vue 2.x 在 Weex 和 Web 中的差异</a>
- </li>
-
- <li>
- <a href="/cn/references/vue/difference-of-vuex.html" class="sidebar-link ">使用 Vuex 和 vue-router</a>
- </li>
-
- </ul>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/advanced/index.html" class="sidebar-link ">高阶知识</a></h3>
-
- <ul class="chapter">
-
- <li>
- <a href="/cn/references/advanced/extend-to-ios.html" class="sidebar-link ">iOS 扩展</a>
- </li>
-
- <li>
- <a href="/cn/references/advanced/extend-to-android.html" class="sidebar-link ">Android 扩展</a>
- </li>
-
- <li>
- <a href="/cn/references/advanced/extend-to-html5.html" class="sidebar-link ">HTML5 扩展</a>
- </li>
-
- <li>
- <a href="/cn/references/advanced/extend-jsfm.html" class="sidebar-link ">拓展 JS framework</a>
- </li>
-
- <li>
- <a href="/cn/references/advanced/integrate-devtool-to-android.html" class="sidebar-link ">集成 Devtools 到 Android</a>
- </li>
-
- <li>
- <a href="/cn/references/advanced/integrate-devtool-to-ios.html" class="sidebar-link ">集成 Devtools 到 iOS</a>
- </li>
-
- </ul>
-
- </li>
-
- <li>
- <h3 class="chapter-title"><a href="/cn/references/migration/index.html" class="sidebar-link ">迁移</a></h3>
-
- <ul class="chapter">
-
- <li>
- <a href="/cn/references/platform-difference.html" class="sidebar-link ">Weex 和 Web 平台的差异</a>
- </li>
-
- <li>
- <a href="/cn/references/migration/migration-from-weex.html" class="sidebar-link ">如何将原有 Weex 项目改造成 Vue 版本</a>
- </li>
-
- <li>
- <a href="/cn/references/migration/difference.html" class="sidebar-link ">Weex 和 Vue 2.x 的语法差异</a>
- </li>
-
- </ul>
-
- </li>
-
-
- </ul>
-</div>
- </div>
-
-
-<article class="article article-type-references">
- <div class="article-entry" itemprop="articleBody">
- <header class="article-header">
-
-
- <h1 class="article-title" itemprop="name">
- storage
- </h1>
-
-
- <time class="article-date" datetime="2017-04-28T02:36:21.000Z">Updated time: 28/04/2017</time>
-</header>
- <h1 id="storage-本地存储" class="article-heading"><a href="#storage-本地存储" class="headerlink" title="storage 本地存储"></a><code>storage</code> 本地存储<a class="article-anchor" href="#storage-本地存储" aria-hidden="true"></a></h1><p><span class="weex-version">v0.7+</span></p>
-<p><strong>备注</strong>：0.7及以上版本可用</p>
-<p><code>storage</code> 是一个在前端比较常用的模块，可以对本地数据进行存储、修改、删除，并且该数据是永久保存的，除非手动清除或者代码清除。但是，<code>storage</code> 模块有一个限制就是浏览器端（H5）只能存储小于5M的数据，因为在 H5/Web 端的实现是采用 <code>HTML5 LocalStorage API</code>。而 Android 和 iOS 这块是没什么限制的。<br> storage 常用在一些被用户经常查询，但是又不频繁更新的数据，比如搜索历史、用户的订单列表等。搜索历史一般情况都是作为本地数据存储的，因此使用 storage 比较合适。而用户订单列表是需要本地存储和服务端器检索配合的场景。当一个用户下单后，会经常查阅个人的订单列表。但是，订单的列表数据不是频繁更新的，往往只有在收到货品时，才更新“已签收”，其余平时的状态是“已发货”。因此，可以使用 storage �
��储订单列表，可以减少服务器的压力，例如减少 SQL 查询或者缓存的压力。当用户查看订单详情的时候，再更新数据状态。</p>
-<h2 id="API" class="article-heading"><a href="#API" class="headerlink" title="API"></a>API<a class="article-anchor" href="#API" aria-hidden="true"></a></h2><p><code>storage</code> 提供了一系列的 API 供我们调用。我们只需要引入该模块，然后调用对应的 API 即可。</p>
-<h3 id="setItem-key-value-callback" class="article-heading"><a href="#setItem-key-value-callback" class="headerlink" title="setItem(key, value, callback)"></a><code>setItem(key, value, callback)</code><a class="article-anchor" href="#setItem-key-value-callback" aria-hidden="true"></a></h3><p>该方法可以通过键值对的形式将数据存储到本地。同时可以通过该方法，更新已有的数据。</p>
-<h4 id="参数" class="article-heading"><a href="#参数" class="headerlink" title="参数"></a>参数<a class="article-anchor" href="#参数" aria-hidden="true"></a></h4><ul>
-<li><code>key {string}</code>：要存储的键，不允许是 <code>""</code> 或 <code>null</code></li>
-<li><code>value {string}</code>：要存储的值，不允许是 <code>""</code> 或 <code>null</code></li>
-<li><code>callback {function (e)}</code>：执行操作成功后的回调<ul>
-<li><code>e.result</code>：表示设置是否成功，如果成功返回 <code>"success"</code></li>
-<li><code>e.data</code>：<code>undefined</code> 表示设置成功，<code>invalid_param</code> 表示 key/value 为 <code>""</code> 或者 <code>null</code></li>
-</ul>
-</li>
-</ul>
-<p>这里，对返回值做一个简单的介绍：</p>
-<p><code>e</code> 包含两个属性：<code>e.result</code> 和 <code>e.data</code>。如果 <code>e.result</code> 返回值是 “success”，则说明成功。<code>e.data</code> 返回 <code>undefined</code> 表示设置成功，返回 <code>invalid_param</code> 表示<code>key/value</code> 为 “” 或者 null。因此，你可以判断两个返回判断是否插入成功。</p>
-<h3 id="getItem-key-callback" class="article-heading"><a href="#getItem-key-callback" class="headerlink" title="getItem(key, callback)"></a><code>getItem(key, callback)</code><a class="article-anchor" href="#getItem-key-callback" aria-hidden="true"></a></h3><p>传入键名返回对应的键值</p>
-<h4 id="参数-1" class="article-heading"><a href="#参数-1" class="headerlink" title="参数"></a>参数<a class="article-anchor" href="#参数-1" aria-hidden="true"></a></h4><ul>
-<li><code>key {string}</code>：要获取的值的名称，不允许是 <code>""</code> 或 <code>null</code></li>
-<li><code>callback {function (e)}</code>：执行操作成功后的回调<ul>
-<li><code>e.result</code>：表示设置是否成功，如果成功返回 <code>"success"</code></li>
-<li><code>e.data</code>：获取对应的键值字符串，如果没有找到则返回 <code>undefined</code></li>
-</ul>
-</li>
-</ul>
-<h3 id="removeItem-key-callback" class="article-heading"><a href="#removeItem-key-callback" class="headerlink" title="removeItem(key, callback)"></a><code>removeItem(key, callback)</code><a class="article-anchor" href="#removeItem-key-callback" aria-hidden="true"></a></h3><p>传入一个键名将会删除本地存储中对应的键值</p>
-<h4 id="参数-2" class="article-heading"><a href="#参数-2" class="headerlink" title="参数"></a>参数<a class="article-anchor" href="#参数-2" aria-hidden="true"></a></h4><ul>
-<li><code>key {string}</code>：要删除的值的名称，不允许是 <code>""</code> 或 <code>null</code></li>
-<li><code>callback {function (e)}</code>：执行操作成功后的回调.<ul>
-<li><code>e.result</code>：表示删除是否成功，如果成功返回 <code>"success"</code></li>
-<li><code>e.data</code>：<code>undefined</code> 表示删除成功</li>
-</ul>
-</li>
-</ul>
-<h3 id="length-callback" class="article-heading"><a href="#length-callback" class="headerlink" title="length(callback)"></a><code>length(callback)</code><a class="article-anchor" href="#length-callback" aria-hidden="true"></a></h3><p>返回本地存储的数据中所有存储项数量的整数</p>
-<h4 id="参数-3" class="article-heading"><a href="#参数-3" class="headerlink" title="参数"></a>参数<a class="article-anchor" href="#参数-3" aria-hidden="true"></a></h4><ul>
-<li><code>callback {function (e)}</code>：执行操作成功后的回调<ul>
-<li><code>e.result</code>：表示设置是否成功，如果成功返回 <code>"success"</code></li>
-<li><code>e.data</code>：当前已存储项的数量</li>
-</ul>
-</li>
-</ul>
-<h3 id="getAllKeys-callback" class="article-heading"><a href="#getAllKeys-callback" class="headerlink" title="getAllKeys(callback)"></a><code>getAllKeys(callback)</code><a class="article-anchor" href="#getAllKeys-callback" aria-hidden="true"></a></h3><p>返回一个包含全部已存储项键名的数组</p>
-<h4 id="参数-4" class="article-heading"><a href="#参数-4" class="headerlink" title="参数"></a>参数<a class="article-anchor" href="#参数-4" aria-hidden="true"></a></h4><ul>
-<li><code>callback {function (e)}</code>：执行操作成功后的回调。<ul>
-<li><code>e.result</code>：表示设置是否成功，如果成功返回 <code>"success"</code></li>
-<li><code>e.data</code>：所有键名组成的数组</li>
-</ul>
-</li>
-</ul>
-<h2 id="示例" class="article-heading"><a href="#示例" class="headerlink" title="示例"></a>示例<a class="article-anchor" href="#示例" aria-hidden="true"></a></h2><figure class="highlight html"><table><tr><td class="code"><pre><div class="line"><span class="tag"><<span class="name">template</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"list"</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"group center"</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"panel"</span>></span><span class="tag"><<span class="name">text</span> <span class="attr">class</span>=<span class="string">"text"</span>></span>{{state}}<span class="tag"></<span class="na
me">text</span>></span><span class="tag"></<span class="name">div</span>></span></div><div class="line"> <span class="tag"></<span class="name">div</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"group"</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"panel"</span>></span><span class="tag"><<span class="name">text</span> <span class="attr">class</span>=<span class="string">"text"</span> @<span class="attr">click</span>=<span class="string">"setItem"</span>></span>set<span class="tag"></<span class="name">text</span>></span><span class="tag"></<span class="name">div</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"panel"</span>></span><span cl
ass="tag"><<span class="name">text</span> <span class="attr">class</span>=<span class="string">"text"</span> @<span class="attr">click</span>=<span class="string">"getItem"</span>></span>get<span class="tag"></<span class="name">text</span>></span><span class="tag"></<span class="name">div</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"panel"</span>></span><span class="tag"><<span class="name">text</span> <span class="attr">class</span>=<span class="string">"text"</span> @<span class="attr">click</span>=<span class="string">"removeItem"</span>></span>remove<span class="tag"></<span class="name">text</span>></span><span class="tag"></<span class="name">div</span>></span></div><div class="line"> <span class="tag"><<span class="name">div</span> <span class="attr">class</span>=<span class="string">"panel"</span>></span><span class="tag"
><<span class="name">text</span> <span class="attr">class</span>=<span class="string">"text"</span> @<span class="attr">click</span>=<span class="string">"getAll"</span>></span>all<span class="tag"></<span class="name">text</span>></span><span class="tag"></<span class="name">div</span>></span></div><div class="line"> <span class="tag"></<span class="name">div</span>></span></div><div class="line"> <span class="tag"></<span class="name">div</span>></span></div><div class="line"><span class="tag"></<span class="name">template</span>></span></div><div class="line"></div><div class="line"><span class="tag"><<span class="name">script</span>></span><span class="javascript"></span></div><div class="line"> <span class="keyword">const</span> storage = weex.requireModule(<span class="string">'storage'</span>)</div><div class="line"> <span class="keyword">const</span> modal = weex.requireModule(<span class="string">'modal'</span>)</div><div clas
s="line"></div><div class="line"> <span class="keyword">export</span> <span class="keyword">default</span> {</div><div class="line"> data () {</div><div class="line"> <span class="keyword">return</span> {</div><div class="line"> <span class="attr">keys</span>: <span class="string">'[]'</span>,</div><div class="line"> <span class="attr">length</span>: <span class="number">0</span>,</div><div class="line"> <span class="attr">state</span>: <span class="string">'----'</span></div><div class="line"> }</div><div class="line"> },</div><div class="line"> <span class="attr">methods</span>: {</div><div class="line"> setItem () {</div><div class="line"> storage.setItem(<span class="string">'name'</span>, <span class="string">'Hanks'</span>, event => {</div><div class="line"> <span class="keyword">this</span>.state = <span class="string">'set success'</span></div><div class="line">
<span class="built_in">console</span>.log(<span class="string">'set success'</span>)</div><div class="line"> })</div><div class="line"> },</div><div class="line"> getItem () {</div><div class="line"> storage.getItem(<span class="string">'name'</span>, event => {</div><div class="line"> <span class="built_in">console</span>.log(<span class="string">'get value:'</span>, event.data)</div><div class="line"> <span class="keyword">this</span>.state = <span class="string">'value: '</span> + event.data</div><div class="line"> })</div><div class="line"> },</div><div class="line"> removeItem () {</div><div class="line"> storage.removeItem(<span class="string">'name'</span>, event => {</div><div class="line"> <span class="built_in">console</span>.log(<span class="string">'delete value:'</span>, event.data)</div><div class="line"> <span class="keyword">this</span>.st
ate = <span class="string">'deleted'</span></div><div class="line"> })</div><div class="line"> },</div><div class="line"> getAll () {</div><div class="line"> storage.getAllKeys(<span class="function"><span class="params">event</span> =></span> {</div><div class="line"> <span class="comment">// modal.toast({ message: event.result })</span></div><div class="line"> <span class="keyword">if</span> (event.result === <span class="string">'success'</span>) {</div><div class="line"> modal.toast({</div><div class="line"> <span class="attr">message</span>: <span class="string">'props: '</span> + event.data.join(<span class="string">', '</span>)</div><div class="line"> })</div><div class="line"> }</div><div class="line"> })</div><div class="line"> }</div><div class="line"> }</div><div class="line"> }</div><div class="line
"><span class="tag"></<span class="name">script</span>></span></div><div class="line"></div><div class="line"><span class="tag"><<span class="name">style</span> <span class="attr">scoped</span>></span><span class="css"></span></div><div class="line"> <span class="selector-class">.panel</span> {</div><div class="line"> <span class="attribute">height</span>: <span class="number">100px</span>;</div><div class="line"> <span class="attribute">flex-direction</span>: column;</div><div class="line"> <span class="attribute">justify-content</span>: center;</div><div class="line"> <span class="attribute">border-width</span>: <span class="number">2px</span>;</div><div class="line"> <span class="attribute">border-style</span>: solid;</div><div class="line"> <span class="attribute">border-color</span>: <span class="built_in">rgb</span>(162, 217, 192);</div><div class="line"> <span class="attribute">background-color</span>: <span class="built_in">rgba</span>(
162, 217, 192, 0.2);</div><div class="line"> }</div><div class="line"> <span class="selector-class">.group</span> {</div><div class="line"> <span class="attribute">flex-direction</span>: row;</div><div class="line"> <span class="attribute">justify-content</span>: space-between;</div><div class="line"> <span class="attribute">width</span>: <span class="number">650px</span>;</div><div class="line"> <span class="attribute">margin-left</span>: <span class="number">50px</span>;</div><div class="line"> <span class="attribute">margin-top</span>: <span class="number">50px</span>;</div><div class="line"> <span class="attribute">margin-bottom</span>: <span class="number">50px</span>;</div><div class="line"> }</div><div class="line"> <span class="selector-class">.center</span> {</div><div class="line"> <span class="attribute">justify-content</span>: center;</div><div class="line"> }</div><div class="line"> <span class="selector-class">.text</
span> {</div><div class="line"> <span class="attribute">font-size</span>: <span class="number">50px</span>;</div><div class="line"> <span class="attribute">text-align</span>: center;</div><div class="line"> <span class="attribute">padding-left</span>: <span class="number">25px</span>;</div><div class="line"> <span class="attribute">padding-right</span>: <span class="number">25px</span>;</div><div class="line"> <span class="attribute">color</span>: <span class="number">#41B883</span>;</div><div class="line"> }</div><div class="line"> <span class="selector-class">.small</span> {</div><div class="line"> <span class="attribute">font-size</span>: <span class="number">32px</span>;</div><div class="line"> <span class="attribute">padding-left</span>: <span class="number">35px</span>;</div><div class="line"> <span class="attribute">padding-right</span>: <span class="number">35px</span>;</div><div class="line"> <span class="attribute">color</span>:
<span class="number">#41B883</span>;</div><div class="line"> }</div><div class="line"><span class="tag"></<span class="name">style</span>></span></div></pre></td></tr></table></figure>
-<p><a href="http://dotwe.org/vue/3fdd3e2d1646ca41199d80c7be799858" target="_blank" rel="external">try it</a></p>
-<h2 id="其它参考" class="article-heading"><a href="#其它参考" class="headerlink" title="其它参考"></a>其它参考<a class="article-anchor" href="#其它参考" aria-hidden="true"></a></h2><ul>
-<li><a href="http://www.w3school.com.cn/html5/html_5_webstorage.asp" target="_blank" rel="external">W3school: html5 localStorage</a></li>
-<li><a href="https://github.com/apache/incubator-weex/blob/dev/examples/module/storage-demo.we" target="_blank" rel="external">storage 模块完整的 Demo</a></li>
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