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components/uni-seal/seal.vue
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346
components/uni-seal/seal.vue
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<template>
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<view class="sealWrapBox">
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<view class="wrapper" v-show="showCanvas">
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<view class="handBtn">
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<view class="lookBtn" @click="look">图例示范</view>
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<view class="delBtn" @click="clear">清除</view>
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<view v-if="paintBrush" class="saveBtn saveBtnActive" @click="finish">下一步</view>
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<view v-else class="saveBtn">下一步</view>
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<!-- <view class="previewBtn" @click="close">关闭</view> -->
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</view>
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<view class="handCenter">
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<canvas v-show="!maskShow" canvas-id="canvasid" id="test" class="handWriting" disable-scroll="true" @touchstart="touchstart"
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@touchmove="touchmove" @touchend="touchend"></canvas>
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</view>
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<view class="handRight">
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<image src="../../pageMy/static/img/seal/tips.png" mode=""></image>
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<view class="handTitle">手写签名需与本人姓名保持一致</view>
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</view>
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</view>
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<uniMask :maskShow="maskShow">
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<view class="maskBody" :style="maskBodyStyle">
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<view class="closeMask" @click.stop="closeMask">关闭</view>
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</view>
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</uniMask>
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</view>
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</template>
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<script>
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import {
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baseUrl
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} from '@/config/env.js'
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import {
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getStore
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} from '@/untils/store.js'
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import uniMask from '@/components/uni-mask/mask.vue'
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var x = 20;
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var y = 20;
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export default {
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data() {
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return {
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oc: "",
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src: "",
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//路径点集合
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points: [],
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maskBodyStyle: '',
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showCanvas: true,
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maskShow: false,
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paintBrush: false
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};
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},
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components: {
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uniMask
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},
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mounted() {
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this.initCanvas()
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},
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methods: {
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look() {
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uni.getSystemInfo({
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success: res => {
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var scrollH = res.windowHeight
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var scrollW = res.windowWidth
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// #ifdef H5
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this.maskBodyStyle =
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`width:${scrollH-144}px;height:${scrollW-100}px;top:${(scrollW/2)+94}px;left:-${(scrollW-100)/2}px`
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// #endif
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// #ifdef MP-WEIXIN
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this.maskBodyStyle =
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`width:${scrollH-144}px;height:${scrollW-100}px;top:${(scrollW/2)}px;left:-${(scrollW-100)/2}px`
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// #endif
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}
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});
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this.maskShow = true
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},
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closeMask() {
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this.maskShow = false
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},
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imgFile() {
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var token = getStore({
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name: 'token'
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})
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const that = this
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uni.uploadFile({
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url: `${baseUrl}/api/jobslink-api/resource/oss/endpoint/put-file?Jobslink-Auth=${token}`,
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filePath: that.src,
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name: 'file',
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success: (uploadFileRes) => {
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that.$emit('finish', uploadFileRes)
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that.paintBrush = true
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}
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});
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},
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finish() {
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const that = this
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this.paintBrush = false
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this.oc.draw(true, uni.canvasToTempFilePath({
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destWidth: 300,
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destHeight: 300,
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quality: 1,
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canvasId: 'canvasid',
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fileType: 'png',
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success: function(res) {
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that.src = res.tempFilePath
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that.imgFile()
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},
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fail: function(err) {
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console.log(err)
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}
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}, this))
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},
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close: function() {
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this.showCanvas = false;
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this.clear();
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},
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initCanvas() {
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this.showCanvas = true;
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this.oc = uni.createCanvasContext('canvasid', this);
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//设置画笔样式
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this.oc.lineWidth = 10;
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this.oc.lineCap = "round";
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this.oc.lineJoin = "round";
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// 画笔颜色
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// this.oc.setStrokeStyle("#ffffff");
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},
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//触摸开始，获取到起点
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touchstart(e) {
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const startX = e.changedTouches[0].x;
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const startY = e.changedTouches[0].y;
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let startPoint = {
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X: startX,
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Y: startY
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};
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this.points.push(startPoint);
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//每次触摸开始，开启新的路径
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this.oc.beginPath();
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},
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//触摸移动，获取到路径点
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touchmove(e) {
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let moveX = e.changedTouches[0].x;
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let moveY = e.changedTouches[0].y;
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let movePoint = {
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X: moveX,
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Y: moveY
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};
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this.points.push(movePoint); //存点
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let len = this.points.length;
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if (len >= 2) {
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this.draw(); //绘制路径
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}
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},
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// 触摸结束，将未绘制的点清空防止对后续路径产生干扰
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touchend() {
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this.points = [];
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this.paintBrush = true
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},
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/*
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# 绘制笔迹
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# 1.为保证笔迹实时显示，必须在移动的同时绘制笔迹
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# 2.为保证笔迹连续，每次从路径集合中区两个点作为起点（moveTo）和终点(lineTo)
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# 3.将上一次的终点作为下一次绘制的起点（即清除第一个点）
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*/
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draw() {
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let point1 = this.points[0]
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let point2 = this.points[1]
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this.points.shift()
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this.oc.moveTo(point1.X, point1.Y)
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this.oc.lineTo(point2.X, point2.Y)
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this.oc.stroke()
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this.oc.draw(true)
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},
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//清空画布
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clear() {
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let that = this;
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uni.getSystemInfo({
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success: function(res) {
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that.paintBrush = false
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let canvasw = res.windowWidth;
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let canvash = res.windowHeight;
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that.oc.clearRect(0, 0, canvasw, canvash);
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that.oc.draw(true);
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}
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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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page {
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background: #fbfbfb;
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height: auto;
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}
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.maskBody {
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position: fixed;
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transform: rotate(90deg);
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background: url(../../static/img/anli.png) no-repeat;
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background-size: contain;
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}
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.maskBody .closeMask {
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background-color: #FFFFFF;
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position: fixed;
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right: 16rpx;
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top: 12rpx;
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width: 108rpx;
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height: 45rpx;
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font-size: 32rpx;
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font-weight: 400;
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color: #999999;
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line-height: 45rpx;
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text-align: right;
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}
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.sealWrapBox {
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background: #FFFFFF;
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padding: 15px;
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height: -webkit-fill-available;
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}
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.wrapper {
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width: 100%;
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overflow: hidden;
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display: flex;
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align-content: center;
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flex-direction: row;
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justify-content: center;
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font-size: 28rpx;
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}
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.handWriting {
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background: #fff;
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width: 100%;
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height: 100%;
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}
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.handRight {
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display: inline-flex;
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align-items: space-between;
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width: 100%;
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height: 50rpx;
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transform: rotate(90deg);
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position: absolute;
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left: 300rpx;
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bottom: 40%;
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}
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.handRight image {
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width: 40rpx;
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height: 40rpx;
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}
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.handCenter {
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border-left: 4rpx dashed #e9e9e9;
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flex: 5;
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overflow: hidden;
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box-sizing: border-box;
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}
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.handTitle {
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flex: 1;
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color: #666;
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width: 100%;
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height: 40rpx;
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line-height: 40rpx;
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}
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.handBtn button {
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font-size: 28rpx;
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}
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.handBtn {
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height: 95vh;
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display: inline-flex;
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flex-direction: column;
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justify-content: space-between;
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align-content: space-between;
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flex: 1;
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}
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.lookBtn {
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position: absolute;
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top: 40px;
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left: 0;
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transform: rotate(90deg);
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width: 128rpx;
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height: 45rpx;
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font-size: 32rpx;
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font-weight: 400;
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color: #1C66FF;
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line-height: 45rpx;
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}
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.delBtn {
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position: absolute;
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bottom: 90px;
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left: 0rpx;
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transform: rotate(90deg);
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color: #979797;
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width: 120rpx;
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height: 60rpx;
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line-height: 60rpx;
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text-align: center;
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}
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.delBtn image {
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position: absolute;
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top: 13rpx;
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left: 25rpx;
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}
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.saveBtnActive {
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background-color: #1C66FF !important;
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color: #FFFFFF !important;
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}
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.saveBtn {
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position: absolute;
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bottom: 37px;
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left: 0rpx;
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transform: rotate(90deg);
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color: #979797;
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width: 120rpx;
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height: 60rpx;
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line-height: 60rpx;
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text-align: center;
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background: #D6D6D6;
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border-radius: 8rpx;
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}
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.previewBtn {
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position: absolute;
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top: 500rpx;
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left: 0rpx;
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transform: rotate(90deg);
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color: #666;
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}
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</style>
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