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