38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
/*
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* @Author: Mr.Mao
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* @LastEditors: Mr.Mao
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* @Date: 2020-10-12 08:49:27
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* @LastEditTime: 2020-12-09 13:54:10
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* @Description:
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* @任何一个傻子都能写出让电脑能懂的代码，而只有好的程序员可以写出让人能看懂的代码
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*/
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import uni from "./global";
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import { isBaseUrl, isNetworkUrl, isTmpUrl } from './utils';
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// 下载指定地址图片, 如果不符合下载图片, 则直接返回
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export const downloadImgUrl = (url) => {
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const isLocalFile = isBaseUrl(url) || isTmpUrl(url) || !isNetworkUrl(url);
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return new Promise((resolve, reject) => {
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if (isLocalFile) {
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return resolve(url);
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}
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uni.downloadFile({
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url,
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success: (res) => resolve(res.tempFilePath),
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fail: reject
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});
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});
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};
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// 获取当前指定 node 节点
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export const getCanvas2dContext = (selector, componentThis) => {
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return new Promise(resolve => {
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const query = (componentThis ?
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uni.createSelectorQuery().in(componentThis) :
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uni.createSelectorQuery());
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query.select(selector)
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.fields({ node: true }, res => {
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const node = res === null || res === void 0 ? void 0 : res.node;
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resolve(node || {});
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}).exec();
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});
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};
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