// #ifndef APP-NVUE
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// 计算版本
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export function compareVersion(v1, v2) {
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v1 = v1.split('.')
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v2 = v2.split('.')
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const len = Math.max(v1.length, v2.length)
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while (v1.length < len) {
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v1.push('0')
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}
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while (v2.length < len) {
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v2.push('0')
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}
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for (let i = 0; i < len; i++) {
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const num1 = parseInt(v1[i], 10)
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const num2 = parseInt(v2[i], 10)
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if (num1 > num2) {
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return 1
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} else if (num1 < num2) {
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return -1
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}
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}
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return 0
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}
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const systemInfo = uni.getSystemInfoSync();
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function gte(version) {
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// 截止 2023-03-22 mac pc小程序不支持 canvas 2d
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let {
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SDKVersion,
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platform
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} = systemInfo;
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// #ifdef MP-ALIPAY
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SDKVersion = my.SDKVersion
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// #endif
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// #ifdef MP-WEIXIN
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return platform !== 'mac' && compareVersion(SDKVersion, version) >= 0;
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// #endif
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return compareVersion(SDKVersion, version) >= 0;
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}
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export function canIUseCanvas2d() {
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// #ifdef MP-WEIXIN
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return gte('2.9.0');
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// #endif
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// #ifdef MP-ALIPAY
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return gte('2.7.0');
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// #endif
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// #ifdef MP-TOUTIAO
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return gte('1.78.0');
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// #endif
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return false
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}
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export function convertTouchesToArray(touches) {
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// 如果 touches 是一个数组，则直接返回它
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if (Array.isArray(touches)) {
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return touches;
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}
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// 如果touches是一个对象，则转换为数组
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if (typeof touches === 'object' && touches !== null) {
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return Object.values(touches);
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}
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// 对于其他类型，直接返回它
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return touches;
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}
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export function wrapTouch(event) {
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for (let i = 0; i < event.touches.length; ++i) {
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const touch = event.touches[i];
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touch.offsetX = touch.x;
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touch.offsetY = touch.y;
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}
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return event;
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}
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export const devicePixelRatio = uni.getSystemInfoSync().pixelRatio
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// #endif
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// #ifdef APP-NVUE
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export function base64ToPath(base64) {
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return new Promise((resolve, reject) => {
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const [, format, bodyData] = /data:image\/(\w+);base64,(.*)/.exec(base64) || [];
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const bitmap = new plus.nativeObj.Bitmap('bitmap' + Date.now())
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bitmap.loadBase64Data(base64, () => {
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if (!format) {
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reject(new Error('ERROR_BASE64SRC_PARSE'))
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}
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const time = new Date().getTime();
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const filePath = `_doc/uniapp_temp/${time}.${format}`
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bitmap.save(filePath, {},
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() => {
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bitmap.clear()
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resolve(filePath)
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},
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(error) => {
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bitmap.clear()
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console.error(`${JSON.stringify(error)}`)
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reject(error)
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})
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}, (error) => {
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bitmap.clear()
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console.error(`${JSON.stringify(error)}`)
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reject(error)
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})
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})
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}
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// #endif
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|
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export function sleep(time) {
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return new Promise((resolve) => {
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setTimeout(() => {
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resolve(true)
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}, time)
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})
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}
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export function getRect(selector, options = {}) {
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const typeDefault = 'boundingClientRect'
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const {
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context,
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type = typeDefault
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} = options
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return new Promise((resolve, reject) => {
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const dom = uni.createSelectorQuery().in(context).select(selector);
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const result = (rect) => {
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if (rect) {
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resolve(rect)
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} else {
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reject()
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}
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}
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if (type == typeDefault) {
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dom[type](result).exec()
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} else {
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dom[type]({
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node: true,
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size: true,
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rect: true
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}, result).exec()
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}
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});
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};
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