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95 lines
1.9 KiB
95 lines
1.9 KiB
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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export const getCanvas2d = () => {
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let {SDKVersion, uniPlatform} = uni.getSystemInfoSync()
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if(!uniPlatform) {
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// #ifdef MP-WEIXIN
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uniPlatform = 'mp-weixin'
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// #endif
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// #ifdef MP-MP-ALIPAY
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SDKVersion = my.SDKVersion
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uniPlatform = 'mp-alipay'
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// #endif
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// #ifdef MP-MP-ALIPAY
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uniPlatform = 'mp-toutiao'
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// #endif
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}
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const MAP = {
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'mp-weixin': '2.9.7',
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'mp-toutiao': '1.78.0',
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'mp-alipay': '2.7.0'
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}[uniPlatform]
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return MAP && SDKVersion && compareVersion(SDKVersion, MAP) >= 1
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}
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export const wrapEvent = (e) => {
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if (!e) return;
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if (!e.preventDefault) {
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e.preventDefault = function() {};
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}
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return e;
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}
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export const requestAnimationFrame = (cb) => {
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setTimeout(cb, 30)
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}
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/**
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* base64转路径
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* @param {Object} base64
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*/
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export function base64ToPath(base64) {
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const [, format, bodyData] = /data:image\/(\w+);base64,(.*)/.exec(base64) || [];
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return new Promise((resolve, reject) => {
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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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reject(error)
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})
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}, (error) => {
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bitmap.clear()
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reject(error)
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})
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})
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}
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export function sleep(delay) {
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return new Promise(resolve => setTimeout(resolve, delay))
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} |