1132 lines
43 KiB
Vue
1132 lines
43 KiB
Vue
|
<template>
|
|||
|
|
<view class="uqrcode" :class="{ 'uqrcode-hide': hide }" :style="{ width: `${templateOptions.width}px`, height: `${templateOptions.height}px` }">
|
|||
|
|
<view class="uqrcode-canvas-wrapper">
|
|||
|
|
<!-- 画布 -->
|
|||
|
|
<!-- #ifndef APP-NVUE -->
|
|||
|
|
<canvas class="uqrcode-canvas" :id="canvasId" :canvas-id="canvasId" :type="canvasType" :style="{
|
|||
|
|
width: `${templateOptions.canvasWidth}px`,
|
|||
|
|
height: `${templateOptions.canvasHeight}px`,
|
|||
|
|
transform: templateOptions.canvasTransform
|
|||
|
|
}" v-if="templateOptions.canvasDisplay" @click="onClick"></canvas>
|
|||
|
|
<!-- #endif -->
|
|||
|
|
|
|||
|
|
<!-- nvue用gcanvas -->
|
|||
|
|
<!-- #ifdef APP-NVUE -->
|
|||
|
|
<gcanvas class="uqrcode-canvas" ref="gcanvas" :style="{
|
|||
|
|
width: `${templateOptions.canvasWidth}px`,
|
|||
|
|
height: `${templateOptions.canvasHeight}px`
|
|||
|
|
}" v-if="templateOptions.canvasDisplay" @click="onClick"></gcanvas>
|
|||
|
|
<!-- #endif -->
|
|||
|
|
</view>
|
|||
|
|
|
|||
|
|
<!-- 加载效果 -->
|
|||
|
|
<view class="uqrcode-makeing" v-if="loading === undefined ? makeing : loading">
|
|||
|
|
<slot name="loading">
|
|||
|
|
<image class="uqrcode-makeing-image" :style="{ width: `${templateOptions.size / 4}px`, height: `${templateOptions.size / 4}px` }"
|
|||
|
|
src="data:image/gif;base64,R0lGODlhAAEAAfIEAOHh4SSsWuDg4N3d3f///wAAAAAAAAAAACH/C05FVFNDQVBFMi4wAwEAAAAh/wtYTVAgRGF0YVhNUDw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDYuMC1jMDAyIDc5LjE2NDQ4OCwgMjAyMC8wNy8xMC0yMjowNjo1MyAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIDIyLjAgKFdpbmRvd3MpIiB4bXBNTTpJbnN0YW5jZUlEPSJ4bXAuaWlkOjAyODhGMzM4RDEwMTExRUM4MDhCRkVBQkE2QUZDQzkwIiB4bXBNTTpEb2N1bWVudElEPSJ4bXAuZGlkOjAyODhGMzM5RDEwMTExRUM4MDhCRkVBQkE2QUZDQzkwIj4gPHhtcE1NOkRlcml2ZWRGcm9tIHN0UmVmOmluc3RhbmNlSUQ9InhtcC5paWQ6MDI4OEYzMzZEMTAxMTFFQzgwOEJGRUFCQTZBRkNDOTAiIHN0UmVmOmRvY3VtZW50SUQ9InhtcC5kaWQ6MDI4OEYzMzdEMTAxMTFFQzgwOEJGRUFCQTZBRkNDOTAiLz4gPC9yZGY6RGVzY3JpcHRpb24+IDwvcmRmOlJERj4gPC94OnhtcG1ldGE+IDw/eHBhY2tldCBlbmQ9InIiPz4B//79/Pv6+fj39vX08/Lx8O/u7ezr6uno5+bl5OPi4eDf3t3c29rZ2NfW1dTT0tHQz87NzMvKycjHxsXEw8LBwL++vby7urm4t7a1tLOysbCvrq2sq6qpqKempaSjoqGgn56dnJuamZiXlpWUk5KRkI+OjYyLiomIh4aFhIOCgYB/fn18e3p5eHd2dXRzcnFwb25tbGtqaWhnZmVkY2JhYF9eXVxbWllYV1ZVVFNSUVBPTk1MS0pJSEdGRURDQkFAPz49PDs6OTg3NjU0MzIxMC8uLSwrKikoJyYlJCMiISAfHh0cGxoZGBcWFRQTEhEQDw4NDAsKCQgHBgUEAwIBAAAh+QQFFAAEACwAAAAAAAEAAQAD/0i63P4wykmrvTjrzbv/YCiOZGmeaKqubOu+cCzPdG3feK7vfO//wKBwSCwaj8ikcslsOp/QqHRKrVqv2Kx2y+16v+CweEwum8/otHrNbrvf8Lh8Tq/b7/i8fs/v+/+AgYKDhIWGh4iJiouMjY6PkJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanigCqq6ytrieusbISAbW2t7i5uru8vb66bLLCrLDDw7S/ycrLzLXBxsLF0LHIzdbXzc/Trybb1BHY4eK92t6r0uaq1ePs4+Xp6PDg7fTh7+bx+PP1/Mz33vkA7utH0Ne/bQERDizIMNfBaQkhLmxIMcBDaBExTqzI8P+isYwfN3Ik6PFYt3TnRI7kVzLaSZQA1q0s2HLWS5QyZ/ar+a0ETHUqdbLjyc3nz5xC6RFtBdIkhKQ01/yMeVPeU6g7pR6tqu8q1npLiXEV6PVru7ApjcJEquyEPa1rxyosm83EWzVTm7qk688uNrRA1eIMatDvNcBUBVt9cJdEYzR55Urku8ztX7iDFXdlfLnE4zORNZPlfNiwNcR6bVJua7ou3q2i55I+3brv67ixJ8927bhzmtAkgDv4HIJ4GeEikDMw/oH5GOUgoCtw3oF6GOkesFvfsP0L9g7afY/o7uU7h/ClPYsHDTt4++Hri8c//j55/eXzm+d/fj96/+n/+1UX4HX/ZVcgeRggyIV5G6BHmycMauAgb5xEmMGEtnViIQYYVvbJhhd0yBqEBYJ34ICUgGiBiMmAomIFLP7iYonnnZiehjQ2aOODOE7l449MERbVai1iBuSRO67EVpG3IenkYvDptKSMRj5pZUhENjRlYU1e6aVqu420JTlVfmlmYGFyNCYviJ2ZWZoVrblLm25uFuVMcgJTZp1X5gmWkGzuyeeTfioF6JyCDopkoWcdqmeXilrJ6FCOOpRopD9O6k6luNCJ6V5wUqSpRZd+mqSYnN7iqalFhaplqrasyqpYWXYEqzOlzmpnA0mNKquuiblqa61kQgrsqWreSqqx/8e+eaeSyqIi7bTUVmvttdhmq+223Hbr7bejCCDuuOSWa+656Kar7rrnSjDAu/DGK++89NZr77340vsru/z2224E+QYs8MAEw7uvvwj3627BDDfM8MEJR5zuwg5XbHG9EEusMbkUX+zxxRlvvHHHH5f8cK4ip+wvySa3HHDIKifMsss0Y4xyzDijO3PNPBt8c85Aj7tzzzzDHPS6QxNNs9FHTwyw0lAPwHTT/0IQNdRTU11u0ld/nLXWQj/dddE/g50y12Nb/LXZaKft8Npgt+32ycyafbTccxMMt9Z45y3w3lT37Xe+qEnGruDxzihxalU/ULHiETNuLuI+k7i44f9Ii013j5Fjri7l70Ius+dOW/32hxpLvrXmBYuOsOocs6436pfndrjsA7u+Muk64/437Z3bnrnpDeuuMO+NO/A48KML/7nvLzP/OvKTQ0+49Ls7X7rjp1sevHu1c1889sdr3zvxm1eYOvWro986+fzCHrb7s3vfPPjfK9895/ePMLL1+DKe3c6Hv/fZb4DPM5++4IfA9hWwfvxrIAH9tz/1STCBD8wdAy8oNfYlboMXlF/oQChBEXbwgByMnQLnJcAUmrCFHDTh4FhYNrZ5cIY2q5sLb4hDGuowhjzs4Qd/GMIgCnGERCyhEY8IOAxS8IgVZE8Kk2cfKI4viQ2UIRPAaxi3JQqxiXcDoBXtVbgVOlB/YzTgb9ZnRhWKL40axCIVQ/A/+sExgFwU1wvFeMchrjF8T8xfA/oYxz8Kko5sfCMh71XGDJZPkYvMoSH7V8VDLiCS15Nj9do4P0hiUl6NDCQlGfBJRoLrlKhMpSpXycpWuvKVsIylLGdJy1ra8pa4zKUud8nLXvryl8AMpjCHScxiGvOYyEymMpfJzGY685nQjKY0p0nNalrzmtjMpja3yc1uevOb4AynOMdJhwQAACH5BAUUAAQALDIAMgCcAJwAAAP/KLrcTjDKSWt0OFsIuv9gKI5kaZ6Ztq1s6iorKs90/apsTt1pbP/AIA+mK16Gj41wyWwan8ikpUmtRp/GaMNn7Xq3WJ2Wwf2arWHxmDg9u6np3JpdeduX8da8fO8j83xXSn6EQ4CDa4GFi2CHO3uIjJJkjo+JkZOTlZZjipmFmxNzAp6ffqESo6Wmd6hHl22sjK4ckLGyoLSqmLh9tAS7t72+urZ1QL+LycacNcuEz528M9HErsHHP9WtxbDZNtt24YbTMuNu5zerJulm7S7rJe9e8zjfzt2n+VrxJPVo+wQJo/GvSsFG9wgGFLeQ3EBqDdFFVFcOxUEnE1/0G3GR/0lHOs0UXss10ltIiCX1peRX8cRHIS83iniJLVRNUcgyfonZkp1Oej/tnTT3K87NSkdfgSuaJukhp8ByMsUCNQ/UIFPDVDXKDKe2rFC6IhWrFB/YIlubkq319awak5uuSnWrB+5Yu2VF0pUpBZXctnt7jhqMl63KhMMIU3z4hm9ixY4xMn6sGENkj4IpVyaVuctlzdImn/kMWiDixp1L/z08VPVm0l
|
|||
|
|
</image>
|
|||
|
|
</slot>
|
|||
|
|
</view>
|
|||
|
|
|
|||
|
|
<!-- 错误处理 -->
|
|||
|
|
<view class="uqrcode-error" v-if="isError" @click="onClick">
|
|||
|
|
<slot name="error" :error="error">
|
|||
|
|
<text class="uqrcode-error-message">{{ error.errMsg }}</text>
|
|||
|
|
</slot>
|
|||
|
|
</view>
|
|||
|
|
|
|||
|
|
<!-- H5保存提示 -->
|
|||
|
|
<!-- #ifdef H5 -->
|
|||
|
|
<view class="uqrcode-h5-save" v-if="isH5Save">
|
|||
|
|
<slot name="h5save" :tempFilePath="tempFilePath">
|
|||
|
|
<image class="uqrcode-h5-save-image" :src="tempFilePath"></image>
|
|||
|
|
<text class="uqrcode-h5-save-text">{{ h5SaveIsDownload ? '若保存失败，' : '' }}请长按二维码进行保存</text>
|
|||
|
|
</slot>
|
|||
|
|
<view class="uqrcode-h5-save-close" @click.stop="isH5Save = false">
|
|||
|
|
<view class="uqrcode-h5-save-close-before"></view>
|
|||
|
|
<view class="uqrcode-h5-save-close-after"></view>
|
|||
|
|
</view>
|
|||
|
|
</view>
|
|||
|
|
<!-- #endif -->
|
|||
|
|
</view>
|
|||
|
|
</template>
|
|||
|
|
|
|||
|
|
<script>
|
|||
|
|
// #ifdef VUE3
|
|||
|
|
import {
|
|||
|
|
toRaw
|
|||
|
|
} from 'vue';
|
|||
|
|
// #endif
|
|||
|
|
|
|||
|
|
/* 引入uQRCode核心js */
|
|||
|
|
import UQRCode from '../../js_sdk/uqrcode/uqrcode';
|
|||
|
|
|
|||
|
|
/* 引入nvue所需模块 */
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
import {
|
|||
|
|
enable,
|
|||
|
|
WeexBridge
|
|||
|
|
} from '../../js_sdk/gcanvas';
|
|||
|
|
const modal = weex.requireModule('modal');
|
|||
|
|
// #endif
|
|||
|
|
|
|||
|
|
/* 引入队列 */
|
|||
|
|
import {
|
|||
|
|
queueDraw,
|
|||
|
|
queueLoadImage
|
|||
|
|
} from '../../common/queue';
|
|||
|
|
/* 引入缓存图片 */
|
|||
|
|
import {
|
|||
|
|
cacheImageList
|
|||
|
|
} from '../../common/cache';
|
|||
|
|
|
|||
|
|
let instance = null;
|
|||
|
|
|
|||
|
|
export default {
|
|||
|
|
name: 'uqrcode',
|
|||
|
|
props: {
|
|||
|
|
/**
|
|||
|
|
* canvas组件id
|
|||
|
|
*/
|
|||
|
|
canvasId: {
|
|||
|
|
type: String,
|
|||
|
|
required: true // canvasId在微信小程序初始值不能为空，created中赋值也不行，必须给一个值，否则挂载组件后无法绘制。不考虑用随机id，uuid
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 二维码内容
|
|||
|
|
*/
|
|||
|
|
value: {
|
|||
|
|
type: [String, Number]
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 选项
|
|||
|
|
*/
|
|||
|
|
options: {
|
|||
|
|
type: Object,
|
|||
|
|
default: () => {
|
|||
|
|
return {};
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 二维码大小
|
|||
|
|
*/
|
|||
|
|
size: {
|
|||
|
|
type: [String, Number],
|
|||
|
|
default: 200
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 二维码尺寸单位
|
|||
|
|
*/
|
|||
|
|
sizeUnit: {
|
|||
|
|
type: String,
|
|||
|
|
default: 'px'
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 导出的文件类型
|
|||
|
|
*/
|
|||
|
|
fileType: {
|
|||
|
|
type: String,
|
|||
|
|
default: 'png'
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 是否初始化组件后就开始生成
|
|||
|
|
*/
|
|||
|
|
start: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: true
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 是否数据发生改变自动重绘
|
|||
|
|
*/
|
|||
|
|
auto: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: true
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 隐藏组件
|
|||
|
|
*/
|
|||
|
|
hide: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: false
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* canvas 类型，微信小程序默认使用2d，非2d微信官方已放弃维护，问题比较多
|
|||
|
|
* 注意：微信小程序type2d手机上正常，PC上微信内打开小程序toDataURL报错，看后期微信官方团队会不会做兼容，不兼容的话只能在自行判断在PC使用非2d，或者直接提示用户请在手机上操作，微信团队的海报中心小程序就是这么做的
|
|||
|
|
*/
|
|||
|
|
type: {
|
|||
|
|
type: String,
|
|||
|
|
default: () => {
|
|||
|
|
// #ifdef MP-WEIXIN
|
|||
|
|
return '2d';
|
|||
|
|
// #endif
|
|||
|
|
// #ifndef MP-WEIXIN
|
|||
|
|
return 'normal';
|
|||
|
|
// #endif
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 队列绘制，主要针对NVue端
|
|||
|
|
*/
|
|||
|
|
queue: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: false
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 是否队列加载图片，可减少canvas发起的网络资源请求，节省服务器资源
|
|||
|
|
*/
|
|||
|
|
isQueueLoadImage: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: false
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* loading态
|
|||
|
|
*/
|
|||
|
|
loading: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: undefined
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* H5保存即自动下载（在支持的环境下），默认false为仅弹层提示用户需要长按图片保存，不会自动下载
|
|||
|
|
*/
|
|||
|
|
h5SaveIsDownload: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: false
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* H5下载名称
|
|||
|
|
*/
|
|||
|
|
h5DownloadName: {
|
|||
|
|
type: String,
|
|||
|
|
default: 'uQRCode'
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
data() {
|
|||
|
|
return {
|
|||
|
|
canvas: undefined,
|
|||
|
|
canvasType: undefined,
|
|||
|
|
canvasContext: undefined,
|
|||
|
|
makeDelegate: undefined,
|
|||
|
|
drawDelegate: undefined,
|
|||
|
|
toTempFilePathDelegate: undefined,
|
|||
|
|
makeExecuted: false,
|
|||
|
|
makeing: false,
|
|||
|
|
drawing: false,
|
|||
|
|
isError: false,
|
|||
|
|
error: undefined,
|
|||
|
|
isH5Save: false,
|
|||
|
|
tempFilePath: '',
|
|||
|
|
templateOptions: {
|
|||
|
|
size: 0,
|
|||
|
|
width: 0, // 组件宽度
|
|||
|
|
height: 0,
|
|||
|
|
canvasWidth: 0, // canvas宽度
|
|||
|
|
canvasHeight: 0,
|
|||
|
|
canvasTransform: '',
|
|||
|
|
canvasDisplay: false
|
|||
|
|
},
|
|||
|
|
uqrcodeOptions: {
|
|||
|
|
data: ''
|
|||
|
|
},
|
|||
|
|
plugins: [],
|
|||
|
|
makeingPattern: [
|
|||
|
|
[
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true]
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, false, false, false],
|
|||
|
|
[true, true, true, true, true, true, false, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, false, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, false, true, true, true]
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, false, false, false],
|
|||
|
|
[true, true, true, true, true, true, true, false, false, false],
|
|||
|
|
[true, true, true, true, true, true, true, false, false, false],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, true, true, true]
|
|||
|
|
],
|
|||
|
|
[
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, false, false, false, false, false, false, false],
|
|||
|
|
[true, true, true, false, false, false, false, false, false, false],
|
|||
|
|
[true, true, true, false, false, false, false, false, false, false],
|
|||
|
|
[true, true, true, false, false, false, false, false, false, false],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true],
|
|||
|
|
[true, true, true, true, true, true, true, true, true, true]
|
|||
|
|
]
|
|||
|
|
]
|
|||
|
|
};
|
|||
|
|
},
|
|||
|
|
watch: {
|
|||
|
|
type: {
|
|||
|
|
handler(val) {
|
|||
|
|
const types = ['2d'];
|
|||
|
|
if (types.includes(val)) {
|
|||
|
|
this.canvasType = val;
|
|||
|
|
} else {
|
|||
|
|
this.canvasType = undefined;
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
immediate: true
|
|||
|
|
},
|
|||
|
|
value: {
|
|||
|
|
handler() {
|
|||
|
|
if (this.auto) {
|
|||
|
|
this.remake();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
size: {
|
|||
|
|
handler() {
|
|||
|
|
if (this.auto) {
|
|||
|
|
this.remake();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
options: {
|
|||
|
|
handler() {
|
|||
|
|
if (this.auto) {
|
|||
|
|
this.remake();
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
deep: true
|
|||
|
|
},
|
|||
|
|
makeing: {
|
|||
|
|
handler(val) {
|
|||
|
|
if (!val) {
|
|||
|
|
if (typeof this.toTempFilePathDelegate === 'function') {
|
|||
|
|
this.toTempFilePathDelegate();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
mounted() {
|
|||
|
|
this.templateOptions.size = this.sizeUnit == 'rpx' ? uni.upx2px(this.size) : this.size;
|
|||
|
|
this.templateOptions.width = this.templateOptions.size;
|
|||
|
|
this.templateOptions.height = this.templateOptions.size;
|
|||
|
|
this.templateOptions.canvasWidth = this.templateOptions.size;
|
|||
|
|
this.templateOptions.canvasHeight = this.templateOptions.size;
|
|||
|
|
if (this.canvasType == '2d') {
|
|||
|
|
// #ifndef MP-WEIXIN
|
|||
|
|
this.templateOptions.canvasTransform = `scale(${this.templateOptions.size / this.templateOptions.canvasWidth}, ${this.templateOptions.size /
|
|||
|
|
this.templateOptions.canvasHeight})`;
|
|||
|
|
// #endif
|
|||
|
|
} else {
|
|||
|
|
this.templateOptions.canvasTransform = `scale(${this.templateOptions.size / this.templateOptions.canvasWidth}, ${this.templateOptions.size /
|
|||
|
|
this.templateOptions.canvasHeight})`;
|
|||
|
|
}
|
|||
|
|
if (this.start) {
|
|||
|
|
this.make();
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
methods: {
|
|||
|
|
/**
|
|||
|
|
* 获取模板选项
|
|||
|
|
*/
|
|||
|
|
getTemplateOptions() {
|
|||
|
|
var size = this.sizeUnit == 'rpx' ? uni.upx2px(this.size) : this.size;
|
|||
|
|
return deepReplace(this.templateOptions, {
|
|||
|
|
size,
|
|||
|
|
width: size,
|
|||
|
|
height: size
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 获取插件选项
|
|||
|
|
*/
|
|||
|
|
getUqrcodeOptions() {
|
|||
|
|
return deepReplace(this.options, {
|
|||
|
|
data: String(this.value),
|
|||
|
|
size: Number(this.templateOptions.size)
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 重置画布
|
|||
|
|
*/
|
|||
|
|
resetCanvas(callback) {
|
|||
|
|
this.templateOptions.canvasDisplay = false;
|
|||
|
|
this.$nextTick(() => {
|
|||
|
|
this.templateOptions.canvasDisplay = true;
|
|||
|
|
this.$nextTick(() => {
|
|||
|
|
callback && callback();
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 绘制二维码
|
|||
|
|
*/
|
|||
|
|
async draw(callback = {}, isDrawDelegate = false) {
|
|||
|
|
if (typeof callback.success != 'function') {
|
|||
|
|
callback.success = () => {};
|
|||
|
|
}
|
|||
|
|
if (typeof callback.fail != 'function') {
|
|||
|
|
callback.fail = () => {};
|
|||
|
|
}
|
|||
|
|
if (typeof callback.complete != 'function') {
|
|||
|
|
callback.complete = () => {};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (this.drawing) {
|
|||
|
|
if (!isDrawDelegate) {
|
|||
|
|
this.drawDelegate = () => {
|
|||
|
|
this.draw(callback, true);
|
|||
|
|
};
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
this.drawing = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!this.canvasId) {
|
|||
|
|
console.error('[uQRCode]: canvasId must be set!');
|
|||
|
|
this.isError = true;
|
|||
|
|
this.drawing = false;
|
|||
|
|
callback.fail({
|
|||
|
|
errMsg: '[uQRCode]: canvasId must be set!'
|
|||
|
|
});
|
|||
|
|
callback.complete({
|
|||
|
|
errMsg: '[uQRCode]: canvasId must be set!'
|
|||
|
|
});
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
if (!this.value) {
|
|||
|
|
console.error('[uQRCode]: value must be set!');
|
|||
|
|
this.isError = true;
|
|||
|
|
this.drawing = false;
|
|||
|
|
callback.fail({
|
|||
|
|
errMsg: '[uQRCode]: value must be set!'
|
|||
|
|
});
|
|||
|
|
callback.complete({
|
|||
|
|
errMsg: '[uQRCode]: value must be set!'
|
|||
|
|
});
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 组件数据 */
|
|||
|
|
this.templateOptions = this.getTemplateOptions();
|
|||
|
|
/* uQRCode选项 */
|
|||
|
|
this.uqrcodeOptions = this.getUqrcodeOptions();
|
|||
|
|
/* 纠错等级兼容字母写法 */
|
|||
|
|
if (typeof this.uqrcodeOptions.errorCorrectLevel === 'string') {
|
|||
|
|
this.uqrcodeOptions.errorCorrectLevel = UQRCode.errorCorrectLevel[this.uqrcodeOptions.errorCorrectLevel];
|
|||
|
|
}
|
|||
|
|
/* nvue不支持动态修改gcanvas尺寸，除nvue外，默认使用useDynamicSize */
|
|||
|
|
// #ifndef APP-NVUE
|
|||
|
|
if (typeof this.options.useDynamicSize === 'undefined') {
|
|||
|
|
this.uqrcodeOptions.useDynamicSize = true;
|
|||
|
|
}
|
|||
|
|
// #endif
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
if (typeof this.options.useDynamicSize === 'undefined') {
|
|||
|
|
this.uqrcodeOptions.useDynamicSize = false;
|
|||
|
|
}
|
|||
|
|
// if (typeof this.options.drawReserve === 'undefined') {
|
|||
|
|
// this.uqrcodeOptions.drawReserve = true;
|
|||
|
|
// }
|
|||
|
|
// #endif
|
|||
|
|
|
|||
|
|
/* 获取uQRCode实例 */
|
|||
|
|
const qr = instance = new UQRCode();
|
|||
|
|
/* 注册扩展 */
|
|||
|
|
this.plugins.forEach(p => qr.register(p.plugin));
|
|||
|
|
/* 设置uQRCode选项 */
|
|||
|
|
qr.setOptions(this.uqrcodeOptions);
|
|||
|
|
/* 调用制作二维码方法 */
|
|||
|
|
qr.make();
|
|||
|
|
|
|||
|
|
/* 获取canvas上下文 */
|
|||
|
|
let canvasContext = null;
|
|||
|
|
// #ifndef APP-NVUE
|
|||
|
|
if (this.canvasType === '2d') {
|
|||
|
|
// #ifdef MP-WEIXIN
|
|||
|
|
/* 微信小程序获取canvas2d上下文方式 */
|
|||
|
|
const canvas = (this.canvas = await new Promise(resolve => {
|
|||
|
|
uni
|
|||
|
|
.createSelectorQuery()
|
|||
|
|
.in(this) // 在组件内使用需要
|
|||
|
|
.select(`#${this.canvasId}`)
|
|||
|
|
.fields({
|
|||
|
|
node: true,
|
|||
|
|
size: true
|
|||
|
|
})
|
|||
|
|
.exec(res => {
|
|||
|
|
resolve(res[0].node);
|
|||
|
|
});
|
|||
|
|
}));
|
|||
|
|
canvasContext = this.canvasContext = canvas.getContext('2d');
|
|||
|
|
/* 2d的组件设置宽高与实际canvas绘制宽高不是一个，打个比方，组件size=200，canvas.width设置为100，那么绘制出来就是100=200，组件size=400，canvas.width设置为800，绘制大小还是800=400，所以无需理会下方返回的dynamicSize是多少，按dpr重新赋值给canvas即可 */
|
|||
|
|
this.templateOptions.canvasWidth = qr.size;
|
|||
|
|
this.templateOptions.canvasHeight = qr.size;
|
|||
|
|
this.templateOptions.canvasTransform = '';
|
|||
|
|
/* 使用dynamicSize+scale，可以解决小块间出现白线问题，dpr可以解决模糊问题 */
|
|||
|
|
const dpr = uni.getSystemInfoSync().pixelRatio;
|
|||
|
|
canvas.width = qr.dynamicSize * dpr;
|
|||
|
|
canvas.height = qr.dynamicSize * dpr;
|
|||
|
|
canvasContext.scale(dpr, dpr);
|
|||
|
|
/* 微信小程序获取图像方式 */
|
|||
|
|
qr.loadImage = this.getLoadImage(function(src) {
|
|||
|
|
/* 小程序下获取网络图片信息需先配置download域名白名单才能生效 */
|
|||
|
|
return new Promise((resolve, reject) => {
|
|||
|
|
const img = canvas.createImage();
|
|||
|
|
img.src = src;
|
|||
|
|
img.onload = () => {
|
|||
|
|
resolve(img);
|
|||
|
|
};
|
|||
|
|
img.onerror = err => {
|
|||
|
|
reject(err);
|
|||
|
|
};
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
// #ifndef MP-WEIXIN
|
|||
|
|
/* 非微信小程序不支持2d，切换回uniapp获取canvas上下文方式 */
|
|||
|
|
canvasContext = this.canvasContext = uni.createCanvasContext(this.canvasId, this);
|
|||
|
|
/* 使用dynamicSize，可以解决小块间出现白线问题，再通过scale缩放至size，使其达到所设尺寸 */
|
|||
|
|
this.templateOptions.canvasWidth = qr.dynamicSize;
|
|||
|
|
this.templateOptions.canvasHeight = qr.dynamicSize;
|
|||
|
|
this.templateOptions.canvasTransform = `scale(${this.templateOptions.size / this.templateOptions.canvasWidth}, ${this.templateOptions.size /
|
|||
|
|
this.templateOptions.canvasHeight})`;
|
|||
|
|
/* uniapp获取图像方式 */
|
|||
|
|
qr.loadImage = this.getLoadImage(function(src) {
|
|||
|
|
return new Promise((resolve, reject) => {
|
|||
|
|
if (src.startsWith('http')) {
|
|||
|
|
uni.getImageInfo({
|
|||
|
|
src,
|
|||
|
|
success: res => {
|
|||
|
|
resolve(res.path);
|
|||
|
|
},
|
|||
|
|
fail: err => {
|
|||
|
|
reject(err);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
} else {
|
|||
|
|
if (src.startsWith('.')) {
|
|||
|
|
console.error('[uQRCode]: 本地图片路径仅支持绝对路径！');
|
|||
|
|
throw new Error('[uQRCode]: local image path only supports absolute path!');
|
|||
|
|
} else {
|
|||
|
|
resolve(src);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
} else {
|
|||
|
|
/* uniapp获取canvas上下文方式 */
|
|||
|
|
canvasContext = this.canvasContext = uni.createCanvasContext(this.canvasId, this);
|
|||
|
|
/* 使用dynamicSize，可以解决小块间出现白线问题，再通过scale缩放至size，使其达到所设尺寸 */
|
|||
|
|
this.templateOptions.canvasWidth = qr.dynamicSize;
|
|||
|
|
this.templateOptions.canvasHeight = qr.dynamicSize;
|
|||
|
|
this.templateOptions.canvasTransform = `scale(${this.templateOptions.size / this.templateOptions.canvasWidth}, ${this.templateOptions.size /
|
|||
|
|
this.templateOptions.canvasHeight})`;
|
|||
|
|
/* uniapp获取图像方式 */
|
|||
|
|
qr.loadImage = this.getLoadImage(function(src) {
|
|||
|
|
return new Promise((resolve, reject) => {
|
|||
|
|
/* getImageInfo在微信小程序的bug：本地路径返回路径会把开头的/或../移除，导致路径错误，解决方法：限制只能使用绝对路径 */
|
|||
|
|
if (src.startsWith('http')) {
|
|||
|
|
uni.getImageInfo({
|
|||
|
|
src,
|
|||
|
|
success: res => {
|
|||
|
|
resolve(res.path);
|
|||
|
|
},
|
|||
|
|
fail: err => {
|
|||
|
|
reject(err);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
} else {
|
|||
|
|
if (src.startsWith('.')) {
|
|||
|
|
console.error('[uQRCode]: 本地图片路径仅支持绝对路径！');
|
|||
|
|
throw new Error('[uQRCode]: local image path only supports absolute path!');
|
|||
|
|
} else {
|
|||
|
|
resolve(src);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
// #endif
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
/* NVue获取canvas上下文方式 */
|
|||
|
|
const gcanvas = this.$refs['gcanvas'];
|
|||
|
|
const canvas = enable(gcanvas, {
|
|||
|
|
bridge: WeexBridge
|
|||
|
|
});
|
|||
|
|
canvasContext = this.canvasContext = canvas.getContext('2d');
|
|||
|
|
/* NVue获取图像方式 */
|
|||
|
|
qr.loadImage = this.getLoadImage(function(src) {
|
|||
|
|
return new Promise((resolve, reject) => {
|
|||
|
|
/* getImageInfo在nvue的bug：获取同一个路径的图片信息，同一时间第一次获取成功，后续失败，猜测是写入本地时产生文件写入冲突，所以没有返回，特别是对于网络资源 --- 已实现队列绘制，已解决此问题 */
|
|||
|
|
if (src.startsWith('.')) {
|
|||
|
|
console.error('[uQRCode]: 本地图片路径仅支持绝对路径！');
|
|||
|
|
throw new Error('[uQRCode]: local image path only supports absolute path!');
|
|||
|
|
} else {
|
|||
|
|
uni.getImageInfo({
|
|||
|
|
src,
|
|||
|
|
success: res => {
|
|||
|
|
resolve(res.path);
|
|||
|
|
},
|
|||
|
|
fail: err => {
|
|||
|
|
reject(err);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
|
|||
|
|
/* 设置uQRCode实例的canvas上下文 */
|
|||
|
|
qr.canvasContext = canvasContext;
|
|||
|
|
/* 延时等待页面重新绘制完毕 */
|
|||
|
|
setTimeout(() => {
|
|||
|
|
/* 从插件获取具体要调用哪一个扩展函数 */
|
|||
|
|
var plugin = this.plugins.find(p => p.name == qr.style);
|
|||
|
|
var drawCanvasName = plugin ? plugin.drawCanvas : 'drawCanvas';
|
|||
|
|
/* 虽然qr[drawCanvasName]是直接返回Promise的，但由于js内部this指向问题，故不能直接exec(qr[drawCanvasName])此方式执行，需要改成exec(() => qr[drawCanvasName]())才能正确获取this */
|
|||
|
|
var drawCanvas;
|
|||
|
|
if (this.queue) {
|
|||
|
|
drawCanvas = () => queueDraw.exec(() => qr[drawCanvasName]());
|
|||
|
|
// drawCanvas = () => queueDraw.exec(() => new Promise((resolve, reject) => {
|
|||
|
|
// setTimeout(() => {
|
|||
|
|
// qr[drawCanvasName]().then(resolve).catch(reject);
|
|||
|
|
// }, 1000);
|
|||
|
|
// }));
|
|||
|
|
} else {
|
|||
|
|
drawCanvas = () => qr[drawCanvasName]();
|
|||
|
|
}
|
|||
|
|
/* 调用绘制方法将二维码图案绘制到canvas上 */
|
|||
|
|
drawCanvas()
|
|||
|
|
.then(() => {
|
|||
|
|
if (this.drawDelegate) {
|
|||
|
|
/* 高频重绘纠正 */
|
|||
|
|
let delegate = this.drawDelegate;
|
|||
|
|
this.drawDelegate = undefined;
|
|||
|
|
delegate();
|
|||
|
|
} else {
|
|||
|
|
this.drawing = false;
|
|||
|
|
callback.success();
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
.catch(err => {
|
|||
|
|
console.log(err);
|
|||
|
|
if (this.drawDelegate) {
|
|||
|
|
/* 高频重绘纠正 */
|
|||
|
|
let delegate = this.drawDelegate;
|
|||
|
|
this.drawDelegate = undefined;
|
|||
|
|
delegate();
|
|||
|
|
} else {
|
|||
|
|
this.drawing = false;
|
|||
|
|
this.isError = true;
|
|||
|
|
callback.fail(err);
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
.finally(() => {
|
|||
|
|
callback.complete();
|
|||
|
|
});
|
|||
|
|
}, 300);
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 生成二维码
|
|||
|
|
*/
|
|||
|
|
make(callback = {}) {
|
|||
|
|
this.makeExecuted = true;
|
|||
|
|
this.makeing = true;
|
|||
|
|
this.isError = false;
|
|||
|
|
|
|||
|
|
if (typeof callback.success != 'function') {
|
|||
|
|
callback.success = () => {};
|
|||
|
|
}
|
|||
|
|
if (typeof callback.fail != 'function') {
|
|||
|
|
callback.fail = () => {};
|
|||
|
|
}
|
|||
|
|
if (typeof callback.complete != 'function') {
|
|||
|
|
callback.complete = () => {};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
this.resetCanvas(() => {
|
|||
|
|
clearTimeout(this.makeDelegate);
|
|||
|
|
this.makeDelegate = setTimeout(() => {
|
|||
|
|
this.draw({
|
|||
|
|
success: () => {
|
|||
|
|
setTimeout(() => {
|
|||
|
|
callback.success();
|
|||
|
|
this.complete(true);
|
|||
|
|
}, 300);
|
|||
|
|
},
|
|||
|
|
fail: err => {
|
|||
|
|
callback.fail(err);
|
|||
|
|
this.error = err;
|
|||
|
|
this.complete(false, err.errMsg);
|
|||
|
|
},
|
|||
|
|
complete: () => {
|
|||
|
|
callback.complete();
|
|||
|
|
this.makeing = false;
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
}, 300);
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 重新生成
|
|||
|
|
*/
|
|||
|
|
remake(callback) {
|
|||
|
|
this.$emit('change');
|
|||
|
|
this.make(callback);
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 生成完成
|
|||
|
|
*/
|
|||
|
|
complete(success = true, errMsg = '') {
|
|||
|
|
if (success) {
|
|||
|
|
this.$emit('complete', {
|
|||
|
|
success
|
|||
|
|
});
|
|||
|
|
} else {
|
|||
|
|
this.$emit('complete', {
|
|||
|
|
success,
|
|||
|
|
errMsg
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 导出临时路径
|
|||
|
|
*/
|
|||
|
|
toTempFilePath(callback = {}) {
|
|||
|
|
if (typeof callback.success != 'function') {
|
|||
|
|
callback.success = () => {};
|
|||
|
|
}
|
|||
|
|
if (typeof callback.fail != 'function') {
|
|||
|
|
callback.fail = () => {};
|
|||
|
|
}
|
|||
|
|
if (typeof callback.complete != 'function') {
|
|||
|
|
callback.complete = () => {};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!this.makeExecuted) {
|
|||
|
|
console.error('[uQRCode]: make() 方法从未调用！请先成功调用 make() 后再进行操作。');
|
|||
|
|
var err = {
|
|||
|
|
errMsg: '[uQRCode]: make() method has never been executed! please execute make() successfully before operating.'
|
|||
|
|
};
|
|||
|
|
callback.fail(err);
|
|||
|
|
callback.complete(err);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (this.isError) {
|
|||
|
|
callback.fail(this.error);
|
|||
|
|
callback.complete(this.error);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (this.makeing) {
|
|||
|
|
/* 如果还在生成状态，那当前操作将托管到委托，监听生成完成后再通过委托复调当前方法 */
|
|||
|
|
this.toTempFilePathDelegate = () => {
|
|||
|
|
this.toTempFilePath(callback);
|
|||
|
|
};
|
|||
|
|
return;
|
|||
|
|
} else {
|
|||
|
|
this.toTempFilePathDelegate = null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// #ifndef APP-NVUE
|
|||
|
|
if (this.canvasType === '2d') {
|
|||
|
|
// #ifdef MP-WEIXIN
|
|||
|
|
try {
|
|||
|
|
let dataURL = null;
|
|||
|
|
// #ifdef VUE3
|
|||
|
|
dataURL = toRaw(this.canvas)
|
|||
|
|
.toDataURL();
|
|||
|
|
// #endif
|
|||
|
|
// #ifndef VUE3
|
|||
|
|
dataURL = this.canvas.toDataURL();
|
|||
|
|
// #endif
|
|||
|
|
callback.success({
|
|||
|
|
tempFilePath: dataURL
|
|||
|
|
});
|
|||
|
|
callback.complete({
|
|||
|
|
tempFilePath: dataURL
|
|||
|
|
});
|
|||
|
|
} catch (e) {
|
|||
|
|
callback.fail(e);
|
|||
|
|
callback.complete(e);
|
|||
|
|
}
|
|||
|
|
// #endif
|
|||
|
|
} else {
|
|||
|
|
uni.canvasToTempFilePath({
|
|||
|
|
canvasId: this.canvasId,
|
|||
|
|
fileType: this.fileType,
|
|||
|
|
width: Number(this.templateOptions.canvasWidth),
|
|||
|
|
height: Number(this.templateOptions.canvasHeight),
|
|||
|
|
destWidth: Number(this.templateOptions.size),
|
|||
|
|
destHeight: Number(this.templateOptions.size),
|
|||
|
|
success: res => {
|
|||
|
|
callback.success(res);
|
|||
|
|
},
|
|||
|
|
fail: err => {
|
|||
|
|
callback.fail(err);
|
|||
|
|
},
|
|||
|
|
complete: () => {
|
|||
|
|
callback.complete();
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
this
|
|||
|
|
);
|
|||
|
|
}
|
|||
|
|
// #endif
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
const dpr = uni.getSystemInfoSync().pixelRatio;
|
|||
|
|
this.canvasContext.toTempFilePath(
|
|||
|
|
0,
|
|||
|
|
0,
|
|||
|
|
this.templateOptions.canvasWidth * dpr,
|
|||
|
|
this.templateOptions.canvasHeight * dpr,
|
|||
|
|
this.templateOptions.size * dpr,
|
|||
|
|
this.templateOptions.size * dpr,
|
|||
|
|
'',
|
|||
|
|
1,
|
|||
|
|
res => {
|
|||
|
|
callback.success(res);
|
|||
|
|
callback.complete(res);
|
|||
|
|
}
|
|||
|
|
);
|
|||
|
|
// #endif
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 保存
|
|||
|
|
*/
|
|||
|
|
save(callback = {}) {
|
|||
|
|
if (typeof callback.success != 'function') {
|
|||
|
|
callback.success = () => {};
|
|||
|
|
}
|
|||
|
|
if (typeof callback.fail != 'function') {
|
|||
|
|
callback.fail = () => {};
|
|||
|
|
}
|
|||
|
|
if (typeof callback.complete != 'function') {
|
|||
|
|
callback.complete = () => {};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
this.toTempFilePath({
|
|||
|
|
success: res => {
|
|||
|
|
// #ifndef H5
|
|||
|
|
if (this.canvasType === '2d') {
|
|||
|
|
// #ifdef MP-WEIXIN
|
|||
|
|
/* 需要将 data:image/png;base64, 这段去除 writeFile 才能正常打开文件，否则是损坏文件，无法打开 */
|
|||
|
|
const reg = new RegExp('^data:image/png;base64,', 'g');
|
|||
|
|
const dataURL = res.tempFilePath.replace(reg, '');
|
|||
|
|
const fs = wx.getFileSystemManager();
|
|||
|
|
const tempFilePath = `${wx.env.USER_DATA_PATH}/${new Date().getTime()}${
|
|||
|
|
Math.random()
|
|||
|
|
.toString()
|
|||
|
|
.split('.')[1]
|
|||
|
|
}.png`;
|
|||
|
|
fs.writeFile({
|
|||
|
|
filePath: tempFilePath, // 要写入的文件路径 (本地路径)
|
|||
|
|
data: dataURL, // base64图片
|
|||
|
|
encoding: 'base64',
|
|||
|
|
success: res1 => {
|
|||
|
|
uni.saveImageToPhotosAlbum({
|
|||
|
|
filePath: tempFilePath,
|
|||
|
|
success: res2 => {
|
|||
|
|
callback.success(res2);
|
|||
|
|
},
|
|||
|
|
fail: err2 => {
|
|||
|
|
callback.fail(err2);
|
|||
|
|
},
|
|||
|
|
complete: () => {
|
|||
|
|
callback.complete();
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
fail: err => {
|
|||
|
|
callback.fail(err);
|
|||
|
|
},
|
|||
|
|
complete: () => {
|
|||
|
|
callback.complete();
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
} else {
|
|||
|
|
uni.saveImageToPhotosAlbum({
|
|||
|
|
filePath: res.tempFilePath,
|
|||
|
|
success: res1 => {
|
|||
|
|
callback.success(res1);
|
|||
|
|
},
|
|||
|
|
fail: err1 => {
|
|||
|
|
callback.fail(err1);
|
|||
|
|
},
|
|||
|
|
complete: () => {
|
|||
|
|
callback.complete();
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
// #endif
|
|||
|
|
|
|||
|
|
// #ifdef H5
|
|||
|
|
/* 可以在电脑浏览器下载，移动端iOS不行，安卓微信浏览器不行，安卓外部浏览器可以 */
|
|||
|
|
this.isH5Save = true;
|
|||
|
|
this.tempFilePath = res.tempFilePath;
|
|||
|
|
if (this.h5SaveIsDownload) {
|
|||
|
|
const aEle = document.createElement('a');
|
|||
|
|
aEle.download = this.h5DownloadName; // 设置下载的文件名，默认是'下载'
|
|||
|
|
aEle.href = res.tempFilePath;
|
|||
|
|
document.body.appendChild(aEle);
|
|||
|
|
aEle.click();
|
|||
|
|
aEle.remove(); // 下载之后把创建的元素删除
|
|||
|
|
}
|
|||
|
|
callback.success({
|
|||
|
|
errMsg: 'ok'
|
|||
|
|
});
|
|||
|
|
callback.complete({
|
|||
|
|
errMsg: 'ok'
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
},
|
|||
|
|
fail: err => {
|
|||
|
|
callback.fail(err);
|
|||
|
|
callback.complete(err);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 注册click事件
|
|||
|
|
*/
|
|||
|
|
onClick(e) {
|
|||
|
|
this.$emit('click', e);
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 获取实例
|
|||
|
|
*/
|
|||
|
|
getInstance() {
|
|||
|
|
return instance;
|
|||
|
|
},
|
|||
|
|
/**
|
|||
|
|
* 注册扩展，组件仅支持注册type为style的drawCanvas扩展
|
|||
|
|
* @param {Object} plugin
|
|||
|
|
*/
|
|||
|
|
registerStyle(plugin) {
|
|||
|
|
if (plugin.Type != 'style') {
|
|||
|
|
console.warn('[uQRCode]: registerStyle 仅支持注册 style 类型的扩展！');
|
|||
|
|
return {
|
|||
|
|
errMsg: 'registerStyle 仅支持注册 style 类型的扩展！'
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
if (typeof plugin === 'function') {
|
|||
|
|
this.plugins.push({
|
|||
|
|
plugin,
|
|||
|
|
name: plugin.Name,
|
|||
|
|
drawCanvas: plugin.DrawCanvas
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
getLoadImage(loadImage) {
|
|||
|
|
var that = this;
|
|||
|
|
if (typeof loadImage == 'function') {
|
|||
|
|
return function(src) {
|
|||
|
|
/* 判断是否是队列加载图片的 */
|
|||
|
|
if (that.isQueueLoadImage) {
|
|||
|
|
/* 解决iOS APP||NVUE同时绘制多个二维码导致图片丢失需使用队列 */
|
|||
|
|
return queueLoadImage.exec(() => {
|
|||
|
|
return new Promise((resolve, reject) => {
|
|||
|
|
setTimeout(() => {
|
|||
|
|
const cache = cacheImageList.find(x => x.src == src);
|
|||
|
|
if (cache) {
|
|||
|
|
resolve(cache.img);
|
|||
|
|
} else {
|
|||
|
|
loadImage(src)
|
|||
|
|
.then(img => {
|
|||
|
|
cacheImageList.push({
|
|||
|
|
src,
|
|||
|
|
img
|
|||
|
|
});
|
|||
|
|
resolve(img);
|
|||
|
|
})
|
|||
|
|
.catch(err => {
|
|||
|
|
reject(err);
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
}, 10);
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
} else {
|
|||
|
|
return loadImage(src);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
} else {
|
|||
|
|
return function(src) {
|
|||
|
|
return Promise.resolve(src);
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 对象属性深度替换
|
|||
|
|
* @param {Object} o 原始对象/默认对象/被替换的对象
|
|||
|
|
* @param {Object} r 从这个对象里取值替换到o对象里
|
|||
|
|
* @return {Object} 替换后的新对象
|
|||
|
|
*/
|
|||
|
|
function deepReplace(o = {}, r = {}, c = false) {
|
|||
|
|
let obj;
|
|||
|
|
if (c) {
|
|||
|
|
// 从源替换
|
|||
|
|
obj = o;
|
|||
|
|
} else {
|
|||
|
|
// 不替换源，copy一份备份来替换
|
|||
|
|
obj = {
|
|||
|
|
...o
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
for (let k in r) {
|
|||
|
|
var vr = r[k];
|
|||
|
|
if (vr != undefined) {
|
|||
|
|
if (vr.constructor == Object) {
|
|||
|
|
obj[k] = this.deepReplace(obj[k], vr);
|
|||
|
|
} else if (vr.constructor == String && !vr) {
|
|||
|
|
obj[k] = obj[k];
|
|||
|
|
} else {
|
|||
|
|
obj[k] = vr;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return obj;
|
|||
|
|
}
|
|||
|
|
</script>
|
|||
|
|
|
|||
|
|
<style scoped>
|
|||
|
|
.uqrcode {
|
|||
|
|
position: relative;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-hide {
|
|||
|
|
position: fixed;
|
|||
|
|
left: 7500rpx;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-canvas {
|
|||
|
|
transform-origin: top left;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-makeing {
|
|||
|
|
position: absolute;
|
|||
|
|
top: 0;
|
|||
|
|
right: 0;
|
|||
|
|
bottom: 0;
|
|||
|
|
left: 0;
|
|||
|
|
z-index: 10;
|
|||
|
|
/* #ifndef APP-NVUE */
|
|||
|
|
display: flex;
|
|||
|
|
/* #endif */
|
|||
|
|
justify-content: center;
|
|||
|
|
align-items: center;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-makeing-image {
|
|||
|
|
/* #ifndef APP-NVUE */
|
|||
|
|
display: block;
|
|||
|
|
max-width: 120px;
|
|||
|
|
max-height: 120px;
|
|||
|
|
/* #endif */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-error {
|
|||
|
|
position: absolute;
|
|||
|
|
top: 0;
|
|||
|
|
right: 0;
|
|||
|
|
bottom: 0;
|
|||
|
|
left: 0;
|
|||
|
|
/* #ifndef APP-NVUE */
|
|||
|
|
display: flex;
|
|||
|
|
/* #endif */
|
|||
|
|
justify-content: center;
|
|||
|
|
align-items: center;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-error-message {
|
|||
|
|
font-size: 12px;
|
|||
|
|
color: #939291;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* #ifdef H5 */
|
|||
|
|
.uqrcode-h5-save {
|
|||
|
|
position: fixed;
|
|||
|
|
top: 0;
|
|||
|
|
right: 0;
|
|||
|
|
bottom: 0;
|
|||
|
|
left: 0;
|
|||
|
|
z-index: 100;
|
|||
|
|
background-color: rgba(0, 0, 0, 0.68);
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
justify-content: center;
|
|||
|
|
align-items: center;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-h5-save-image {
|
|||
|
|
width: 512rpx;
|
|||
|
|
height: 512rpx;
|
|||
|
|
padding: 32rpx;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-h5-save-text {
|
|||
|
|
margin-top: 20rpx;
|
|||
|
|
font-size: 32rpx;
|
|||
|
|
font-weight: 700;
|
|||
|
|
color: #ffffff;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-h5-save-close {
|
|||
|
|
position: relative;
|
|||
|
|
margin-top: 72rpx;
|
|||
|
|
width: 60rpx;
|
|||
|
|
height: 60rpx;
|
|||
|
|
border: 2rpx solid #ffffff;
|
|||
|
|
border-radius: 60rpx;
|
|||
|
|
padding: 10rpx;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-h5-save-close-before {
|
|||
|
|
position: absolute;
|
|||
|
|
top: 50%;
|
|||
|
|
left: 50%;
|
|||
|
|
transform: translate(-50%, -50%) rotate(45deg);
|
|||
|
|
width: 40rpx;
|
|||
|
|
height: 4rpx;
|
|||
|
|
background: #ffffff;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.uqrcode-h5-save-close-after {
|
|||
|
|
position: absolute;
|
|||
|
|
top: 50%;
|
|||
|
|
left: 50%;
|
|||
|
|
transform: translate(-50%, -50%) rotate(-45deg);
|
|||
|
|
width: 40rpx;
|
|||
|
|
height: 4rpx;
|
|||
|
|
background: #ffffff;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* #endif */
|
|||
|
|
</style>
|