swan.getStorageInfo

解释：异步获取当前 storage 的相关信息。

方法参数

Object object

object参数说明

success返回参数说明 ：

示例

在开发者工具中预览效果 请使用百度APP扫码

图片示例

代码示例

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  1. <view class="container">    <view class="card-area">        <view class="list-area border-bottom">            <label class="list-item-key-4">key</label>            <input class="list-item-value" bindfocus="keyFocus" bindinput="keyInput" type="text" value="{{key}}" placeholder="请输入key"/>        </view>        <view class="list-area border-bottom">            <label class="list-item-key-4">value</label>            <input class="list-item-value" bindfocus="valueFocus" bindinput="valueInput" type="text" value="{{value}}" placeholder="请输入value"/>        </view>        <view>            <button  bindtap="setStorage" type="primary" hover-stop-propagation="true">存储数据</button>            <button  bindtap="getStorage" type="primary" hover-stop-propagation="true" disabled="{{disabled}}">读取数据</button>             <button  bindtap="getStorageInfo" type="primary" disabled="{{disabled}}">获取存储数据信息</button>        </view>    </view></view>

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  1. Page({    data: {        key: '示例Key',        value: '示例Value',        disabled: true    },    keyInput(e) {        this.setData('key', e.detail.value);    },    valueInput(e) {        this.setData('value', e.detail.value);    },    valueFocus() {        this.setData('value', '');    },    keyFocus() {        this.setData('key', '');    },    setStorage() {        let key = this.hasKey();        if (!key) {            return;        }        swan.setStorage({            key,            data: this.getData('value'),            success: res => {                this.toast('存储成功', 'none');                this.setData('disabled', false);            },            fail: err => {                this.toast('存储数据失败');            }        });    },    getStorage() {        let key = this.hasKey();        if (!key) {            return;        }        swan.getStorage({            key,            success: res => {                const data = res.data;                if (data) {                    swan.showModal({                        title: '数据信息',                        content: `${key}: ${data}`,                        showCancel: false                    });                } else {                    this.toast('找不到key对应的值');                }            },            fail: err => {                this.toast('读取数据失败');            }        });    },    getStorageInfo() {        swan.getStorageInfo({            success: res => {                swan.showModal({                    title: '',                    content: JSON.stringify(res)                 })                console.log('getStorageInfo success', res);            },            fail: err => {                console.log('getStorageInfo fail', err);            }        });    },    hasKey() {        let key = this.getData('key');        if (key) {            return key;        }        this.toast('key不能为空');    },    toast(title, icon = 'none') {        swan.showToast({title, icon});    }});

错误码

Android