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<template>
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<div id="canvas" style="position: relative;border: 1px dashed #d5d2d2;width: 100%">
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<van-button plain type="danger" hairline size="small" class="clearBtn" @click="reset">清空重签</van-button>
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</div>
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</template>
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<script>
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module.exports = {
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props: {
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my_sign: {
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type: String
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}
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},
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watch: {
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// 编辑申请异步回填签字数据后，自动将签字图片导入当前画布。
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my_sign(value) {
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if (value) {
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this.importSign(value)
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}
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}
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},
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methods: {
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// 将已有签字图片导入 jSignature 画布，供编辑页面继续查看或修改。
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importSign(sign) {
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if (sign && $('#canvas').jSignature) {
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$('#canvas').jSignature('importData', sign)
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}
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},
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reset() {
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$('#canvas').jSignature('reset')
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this.$emit("update:my_sign", null)
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},
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checkNull() {
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return $('#canvas').jSignature('getData', 'native').length === 0
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},
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submitSign() {
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this.$emit("update:my_sign", $('#canvas').jSignature('getData'))
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},
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async updateSign() {
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const data = await $.post("/mobile/common/signing/update", {sign: $('#canvas').jSignature('getData')})
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},
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async getMySign() {
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const data = await $.get("/mobile/common/signing/getMySign")
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// 已有申请签字时优先保留申请本身的签字，避免默认签字覆盖编辑内容。
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if (data && !this.my_sign) {
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this.importSign(data)
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this.$nextTick(() => {
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})
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}
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}
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},
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created() {
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// this.getMySign()
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},
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async mounted() {
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$("#canvas").jSignature({
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width: '100%',
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height: 300,
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"decor-color": "transparent",
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lineWidth: '3'
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});
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if (this.my_sign) {
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this.importSign(this.my_sign)
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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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.clearBtn {
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position: absolute !important;
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bottom: 5px;
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right: 5px;
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color: red;
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z-index: 99;
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}
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</style>
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@@ -0,0 +1,175 @@
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<template>
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<el-card class="box-card" shadow="never">
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<div class="signature-body" id="signature-body">
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<el-collapse-transition>
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<div v-show="showQrCode" class="qr-code-div">
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<el-link type="primary" :underline="false">{{ scan_title }}</el-link>
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<QrCode v-if="postAddress" :options="{ width: 126 }" :value="postAddress"></QrCode>
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</div>
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</el-collapse-transition>
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<el-image fit="contain" v-show="!showQrCode" v-loading="loading"
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style="height: 100px;width: 100%" :src="qz">
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<div slot="error" class="image-slot">
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<i class="el-icon-picture-outline"></i>
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</div>
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</el-image>
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<el-link type="danger" style="font-size: 12px;margin-top: 20px" @click="refresh();clear()" icon="el-icon-edit"
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v-show="!showQrCode">重签
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</el-link>
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</div>
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<div style="text-align: center">
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<el-link type="primary" style="font-size: 14px;margin-top: 20px;z-index:999" @click="openSign()" icon="el-icon-edit"
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v-if="showQrCode" :underline="false">打开签字板
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</el-link>
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</div>
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</el-card>
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</template>
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<script>
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window.signatureInterval = null
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module.exports = {
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name: "Signature",
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props: {
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scan_title: {
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type: String,
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default: '扫描下方二维码进行签字'
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},
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prefix: {
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type: String,
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default: 'DEFAULT'
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},
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qz: {
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type: String,
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default: ''
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}
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},
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model: {
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prop: 'qz',
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event: 'change'
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},
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data() {
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return {
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showQrCode: false,
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loading: true,
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postAddress: '',
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}
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},
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methods: {
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openSign() {
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window.open(this.postAddress)
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},
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refresh() {
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this.qz = ''
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},
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startRequest() {
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this.qz = ''
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clearInterval(signatureInterval)
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const ts = new Date().getTime()
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this.postAddress = 'https://zhgh.nsi.edu.cn/signature?prefix=' + this.prefix + '&id=' + ts
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//this.postAddress = 'https://zhgh.nsi.edu.cn/signature?prefix=' + this.prefix + '&id=' + ts
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this.showQrCode = true
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console.log(this.postAddress)
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window.signatureInterval = setInterval(() => {
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$.get("https://zhgh.nsi.edu.cn/signature/getBase64?prefix=" + this.prefix + "&id=" + ts).then(res => {
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if (res != null) {
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this.$emit("change", res)
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this.$emit("update:qz", res)
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this.qz = res
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this.loading = false
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this.save()
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clearInterval(signatureInterval)
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}
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})
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// const signBody = document.getElementById('signature-body')
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// const isVisible = $('#signature-body').is(":visible")
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// if (signBody && isVisible) {
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//
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// } else {
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// clearInterval(signatureInterval)
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// }
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}, 1000 * 3)
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},
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save() {
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localStorage.setItem("signature", this.qz)
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},
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clear() {
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localStorage.removeItem("signature")
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},
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getSignature() {
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return localStorage.getItem("signature")
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}
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},
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beforeDestroy() {
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debugger
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console.log('clearSignature')
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// 在组件销毁前清除定时器
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clearInterval(window.signatureInterval);
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},
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watch: {
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'qz': {
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handler(s) {
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this.loading = !s
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if (!s) {
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const qz = this.getSignature()
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if (!qz) {
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this.$emit("change", '')
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this.$emit("update:qz", '')
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this.startRequest()
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} else {
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this.qz = qz
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this.$emit("change", qz)
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this.$emit("update:qz", qz)
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}
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} else {
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this.qz = s
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this.showQrCode = false
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}
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},
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immediate: true
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}
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}
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}
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</script>
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<style scoped>
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.el-card__body {
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position: relative !important;
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}
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.signature-body {
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width: 100%;
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height: 100%;
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min-height: 160px;
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display: flex;
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justify-content: center;
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align-items: center;
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flex-direction: column;
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}
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.qr-code-div {
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position: absolute;
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width: 100%;
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height: 100%;
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left: 0;
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top: 0;
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display: flex;
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justify-content: center;
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align-items: center;
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flex-direction: column;
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z-index: 999;
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}
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</style>
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