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115
components/Jnpf/Qrcode/index.vue
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115
components/Jnpf/Qrcode/index.vue
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<template>
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<tki-qrcode class="jnpf-qrcode" v-if="qrcode&&showQrcode" ref="qrcode" :cid="cid" :val="qrcode" :size="width*2"
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:background="colorLight" :foreground="colorDark" onval loadMake :showLoading="false" />
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</template>
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<script>
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import tkiQrcode from "./tki-qrcode/tki-qrcode.vue"
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let unique = 0
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export default {
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name: 'qrcode',
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props: {
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dataType: {
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type: String,
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default: 'static'
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},
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colorLight: {
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type: String,
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default: "#fff"
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},
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colorDark: {
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type: String,
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default: "#000"
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},
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relationField: {
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type: String,
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default: ''
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},
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formData: {
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type: Object
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},
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width: {
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type: Number,
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default: 200
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},
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staticText: {
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type: String,
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default: ''
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}
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},
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components: {
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tkiQrcode
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},
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computed: {
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qrcode() {
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if (this.dataType === 'static') {
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return this.staticText
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} else if (this.dataType === 'relation') {
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return this.relationText?.toString()
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} else {
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if (this.formData && this.dynamicModelExtra && this.dynamicModelExtra.id && this.dynamicModelExtra
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.modelId) {
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const json = {
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t: 'DFD',
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id: this.dynamicModelExtra.id,
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mid: this.dynamicModelExtra.modelId,
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mt: this.dynamicModelExtra.type,
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fid: this.dynamicModelExtra.flowId || '',
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pid: this.dynamicModelExtra.processId || '',
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ftid: this.dynamicModelExtra.taskId || '',
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opt: this.dynamicModelExtra.opType
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}
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return JSON.stringify(json)
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}
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return ''
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}
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},
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dynamicModelExtra() {
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return uni.getStorageSync('dynamicModelExtra') || null
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}
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},
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data() {
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return {
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cid: '',
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relationText: "",
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showQrcode: false
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}
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},
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mounted() {
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this.cid = this.uuid()
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this.showQrcode = true
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uni.$on('updateCode', () => {
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this.showQrcode = false
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this.$nextTick(() => {
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this.showQrcode = true
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})
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})
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},
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watch: {
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formData: {
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handler(val) {
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const relationValue = val[this.relationField] || val[this.relationField] === 0 || val[this
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.relationField] === false ? val[this.relationField] : ''
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if (val && this.dataType === 'relation' && this.relationField) this.relationText = relationValue
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},
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deep: true,
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immediate: true
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},
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},
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methods: {
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uuid() {
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const time = Date.now()
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const random = Math.floor(Math.random() * 1000000000)
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unique++
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return 'qrcode_' + random + unique + String(time)
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}
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},
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}
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</script>
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<style lang="scss" scoped>
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.jnpf-qrcode {
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width: 100%;
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overflow: hidden;
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margin-bottom: -20rpx;
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}
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</style>
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1222
components/Jnpf/Qrcode/tki-qrcode/qrcode.js
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1222
components/Jnpf/Qrcode/tki-qrcode/qrcode.js
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File diff suppressed because it is too large
Load Diff
217
components/Jnpf/Qrcode/tki-qrcode/tki-qrcode.vue
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217
components/Jnpf/Qrcode/tki-qrcode/tki-qrcode.vue
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<template xlang="wxml" minapp="mpvue">
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<view class="tki-qrcode">
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<!-- #ifndef MP-ALIPAY -->
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<canvas class="tki-qrcode-canvas" :canvas-id="cid" :style="{width:cpSize+'px',height:cpSize+'px'}" />
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<!-- #endif -->
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<!-- #ifdef MP-ALIPAY -->
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<canvas :id="cid" :width="cpSize" :height="cpSize" class="tki-qrcode-canvas" />
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<!-- #endif -->
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<image v-show="show" :src="result" :style="{width:cpSize+'px',height:cpSize+'px'}" />
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</view>
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</template>
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<script>
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import QRCode from "./qrcode.js"
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let qrcode
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export default {
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name: "tki-qrcode",
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props: {
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cid: {
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type: String,
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default: 'tki-qrcode-canvas'
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},
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size: {
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type: Number,
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default: 200
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},
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unit: {
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type: String,
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default: 'upx'
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},
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show: {
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type: Boolean,
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default: true
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},
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val: {
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type: String,
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default: ''
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},
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background: {
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type: String,
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default: '#ffffff'
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},
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foreground: {
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type: String,
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default: '#000000'
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},
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pdground: {
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type: String,
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default: '#000000'
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},
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icon: {
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type: String,
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default: ''
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},
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iconSize: {
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type: Number,
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default: 40
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},
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lv: {
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type: Number,
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default: 3
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},
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onval: {
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type: Boolean,
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default: false
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},
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loadMake: {
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type: Boolean,
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default: false
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},
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usingComponents: {
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type: Boolean,
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default: true
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},
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showLoading: {
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type: Boolean,
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default: true
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},
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loadingText: {
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type: String,
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default: '二维码生成中'
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},
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},
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data() {
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return {
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result: '',
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}
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},
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methods: {
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_makeCode() {
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let that = this
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if (!this._empty(this.val)) {
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qrcode = new QRCode({
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context: that, // 上下文环境
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canvasId: that.cid, // canvas-id
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usingComponents: that.usingComponents, // 是否是自定义组件
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showLoading: that.showLoading, // 是否显示loading
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loadingText: that.loadingText, // loading文字
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text: that.val, // 生成内容
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size: that.cpSize, // 二维码大小
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background: that.background, // 背景色
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foreground: that.foreground, // 前景色
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pdground: that.pdground, // 定位角点颜色
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correctLevel: that.lv, // 容错级别
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image: that.icon, // 二维码图标
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imageSize: that.iconSize, // 二维码图标大小
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cbResult: function(res) { // 生成二维码的回调
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that._result(res)
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},
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});
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} else {
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uni.showToast({
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title: '二维码内容不能为空',
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icon: 'none',
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duration: 2000
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});
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}
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},
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_clearCode() {
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this._result('')
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qrcode.clear()
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},
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_saveCode() {
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let that = this;
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if (this.result != "") {
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uni.saveImageToPhotosAlbum({
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filePath: that.result,
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success: function() {
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uni.showToast({
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title: '二维码保存成功',
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icon: 'success',
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duration: 2000
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});
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}
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});
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}
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},
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_result(res) {
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this.result = res;
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this.$emit('result', res)
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},
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_empty(v) {
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let tp = typeof v,
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rt = false;
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if (tp == "number" && String(v) == "") {
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rt = true
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} else if (tp == "undefined") {
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rt = true
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} else if (tp == "object") {
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if (JSON.stringify(v) == "{}" || JSON.stringify(v) == "[]" || v == null) rt = true
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} else if (tp == "string") {
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if (v == "" || v == "undefined" || v == "null" || v == "{}" || v == "[]") rt = true
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} else if (tp == "function") {
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rt = false
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}
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return rt
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}
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},
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watch: {
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size: function(n, o) {
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if (n != o && !this._empty(n)) {
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this.cSize = n
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if (!this._empty(this.val)) {
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setTimeout(() => {
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this._makeCode()
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}, 100);
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}
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}
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},
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val: function(n, o) {
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if (this.onval) {
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if (n != o && !this._empty(n)) {
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setTimeout(() => {
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this._makeCode()
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}, 0);
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}
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}
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}
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},
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computed: {
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cpSize() {
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if (this.unit == "upx") {
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// #ifndef APP-HARMONY
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return uni.upx2px(this.size)
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// #endif
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// #ifdef APP-HARMONY
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return this.size / 2
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// #endif
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} else {
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return this.size
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}
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}
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},
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mounted: function() {
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if (this.loadMake) {
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if (!this._empty(this.val)) {
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setTimeout(() => {
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this._makeCode()
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}, 0);
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}
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}
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},
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}
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</script>
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<style>
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.tki-qrcode {
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position: relative;
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text-align: right;
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}
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.tki-qrcode-canvas {
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position: fixed !important;
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top: -99999upx;
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left: -99999upx;
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z-index: -99999;
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}
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</style>
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