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@@ -7,7 +7,7 @@
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<script src="https://unpkg.com/vue@2.6.14/dist/vue.js"></script>
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<script src="https://unpkg.com/vue@2.6.14/dist/vue.js"></script>
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<script type="text/javascript" async
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<script type="text/javascript" async
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- src="https://mingxuejingbang.oss-cn-beijing.aliyuncs.com/MathJaxFiles/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML"></script>
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+ src="https://mingxuejingbang.oss-cn-beijing.aliyuncs.com/MathJaxFiles/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML"></script>
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<script type="text/javascript" async src="js/globalVariable.js"></script>
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<script type="text/javascript" async src="js/globalVariable.js"></script>
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<script type="text/javascript" async src="js/html2canvas.min.js"></script>
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<script type="text/javascript" async src="js/html2canvas.min.js"></script>
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<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
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<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
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@@ -35,307 +35,309 @@
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</head>
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</head>
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<body>
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<body>
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- <div id="app">
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- <div style="min-height:300px;">
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- <div id="title" style="background:#fff;max-width:1024px">
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- <div id="qs" style="padding-bottom: 15px" v-html="data.title"></div>
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- <div id="ans" style="background:#fff">
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- <template v-for="(itemOpt, idx) in data.options">
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- <div :key="idx">
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- <el-radio style="margin-bottom: 15px" :label="selectOpt[idx]" border size="medium">
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- {{ selectOpt[idx] + ' 、 ' }}<span style="white-space: normal" v-html="itemOpt"></span>
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- </el-radio>
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- </div>
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- </template>
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- </div>
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+<div id="app">
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+ <div style="min-height:300px;">
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+ <div id="title" style="background:#fff;max-width:1024px">
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+ <div id="qs" style="padding-bottom: 15px" v-html="data.title"></div>
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+ <div id="ans" style="background:#fff">
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+ <template v-for="(itemOpt, idx) in data.options">
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+ <div :key="idx">
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+ <el-radio style="margin-bottom: 15px" :label="selectOpt[idx]" border size="medium">
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+ {{ selectOpt[idx] + ' 、 ' }}<span style="white-space: normal" v-html="itemOpt"></span>
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+ </el-radio>
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+ </div>
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+ </template>
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</div>
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</div>
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</div>
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</div>
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- <div style="margin-bottom:20px;padding: 15px;background: rgb(255, 255, 255); max-width: 1024px;">
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- <el-input v-model="questionId" style="width: 150px;" placeholder="请输入题目编号"></el-input>
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- <el-button type="primary" :disabled="isAuto" @click="search">搜索</el-button>
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- <el-button type="primary" :disabled="isAuto" @click="upLoad">手动上传</el-button>
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- <el-button type="primary" @click="auto">{{isAuto?'暂停':'自动运行'}}</el-button>
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- </div>
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- <div v-if="imgUri" style="margin-top:30px;padding: 15px;background: rgb(255, 255, 255); max-width: 1024px;">
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- 图片展示：
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- <img :src="imgUri" alt="" crossorigin="anonymous">
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- </div>
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</div>
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</div>
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+ <div style="margin-bottom:20px;padding: 15px;background: rgb(255, 255, 255); max-width: 1024px;">
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+ <el-input v-model="questionId" style="width: 150px;" placeholder="请输入题目编号"></el-input>
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+ <el-button type="primary" :disabled="isAuto" @click="search">搜索</el-button>
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+ <el-button type="primary" :disabled="isAuto" @click="upLoad">手动上传</el-button>
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+ <el-button type="primary" @click="auto">{{ isAuto ? '暂停' : '自动运行' }}</el-button>
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+ </div>
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+ <div v-if="imgUri" style="margin-top:30px;padding: 15px;background: rgb(255, 255, 255); max-width: 1024px;">
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+ 图片展示：
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+ <img :src="imgUri" alt="" crossorigin="anonymous">
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+ </div>
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+</div>
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- <script>
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- var exampleData = {
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- selectOpt: ['A', 'B', 'C', 'D', 'E', 'F', 'G'],
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- data: {},
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- time: null,
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- domain: '',
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- isAuto: false,
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- questionId: '52635',
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- imgUri: '',
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- times: 1,
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- }
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- // window.onload = function(){
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- new Vue({
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- el: '#app',
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- data: exampleData,
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- created() {
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- // if(this.domain == 'localhost:9800'){
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- this.domain = 'https://front.mingxuejinbang.com'
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- // }
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- // this.getData()
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+<script>
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+ var exampleData = {
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+ selectOpt: ['A', 'B', 'C', 'D', 'E', 'F', 'G'],
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+ data: {},
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+ time: null,
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+ domain: '',
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+ isAuto: false,
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+ questionId: '2000038',
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+ imgUri: '',
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+ times: 2
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+ }
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+ // window.onload = function(){
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+ new Vue({
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+ el: '#app',
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+ data: exampleData,
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+ created() {
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+ // if(this.domain == 'localhost:9800'){
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+ this.domain = 'https://front.mingxuejinbang.com'
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+ // }
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+ // this.getData()
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+ },
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+ methods: {
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+ convertImgToBase64(img) {
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+ return new Promise((resolve, reject) => {
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+ let canvas = document.createElement('canvas')
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+ const ctx = canvas.getContext('2d')
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+ canvas.height = img.height
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+ canvas.width = img.width
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+ ctx.drawImage(img, 0, 0, canvas.width, canvas.height)
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+ let ext = img.src.substring(img.src.lastIndexOf('.') + 1).toLowerCase()
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+ const base64 = canvas.toDataURL('image/' + ext)
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+ canvas = null
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+ const holder = new Image()
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+ holder.setAttribute('crossOrigin', 'anonymous')
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+ holder.onload = (e) => {
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+ resolve(holder)
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+ }
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+ holder.src = base64
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+ // return base64;
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+ })
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},
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},
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- methods: {
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- convertImgToBase64(img) {
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- return new Promise((resolve, reject) => {
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- let canvas = document.createElement('canvas');
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- const ctx = canvas.getContext('2d');
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- canvas.height = img.height;
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- canvas.width = img.width;
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- ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
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- let ext = img.src.substring(img.src.lastIndexOf(".") + 1).toLowerCase();
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- const base64 = canvas.toDataURL("image/" + ext);
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- canvas = null;
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- const holder = new Image();
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- holder.setAttribute('crossOrigin', 'anonymous')
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- holder.onload = (e) => {
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- resolve(holder)
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- }
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- holder.src = base64;
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- // return base64;
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- });
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- },
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- hasImg(dom) {
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- for (let i of dom?.children || []) {
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- if (i.nodeName === 'IMG') {
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- return true;
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- }
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+ hasImg(dom) {
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+ for (let i of dom?.children || []) {
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+ if (i.nodeName === 'IMG') {
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+ return true
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}
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}
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- return false;
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- },
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- getCanvasWrap(width, height) {
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- const canvasWrap = document.createElement('canvas')
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- canvasWrap.width = this.times * width
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- canvasWrap.height = this.times * height
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- canvasWrap.getContext('2d').scale(this.times, this.times)
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- return canvasWrap;
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- },
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- getUnderline(num) {
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- const underline = document.createElement('div');
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- // 暂定于1个空格5像素
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- underline.setAttribute('style', `width: ${num * 5}px;border-bottom: 1px solid #000000;display: inline-block;vertical-align: baseline;transform: translateY(2px);`);
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- return underline;
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- },
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- // 遍历所有子元素
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- findAllEle(promiseArr, parent) {
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- for (let i of parent.childNodes) {
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- if (i.nodeName === 'U') {
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- parent.insertBefore(this.getUnderline(i.innerText.length), i);
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- parent.removeChild(i);
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- } else if (i.nodeName === 'IMG') {
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- const promise = new Promise((resolve, reject) => {
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- i.onload = async (e) => {
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- // 如果图片存在浮动，需要手动设置容器的高度
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- if (i.style.float) {
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- const qs = document.querySelector('#qs');
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- qs.style.height = Math.max(qs.getBoundingClientRect().height, i.height) + 'px'
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- }
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- const { width, height } = qs.getBoundingClientRect();
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- html2canvas(qs, {
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- canvas: this.getCanvasWrap(width, height),
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- useCORS: true,
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- }).then((canvas) => {
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- resolve(canvas)
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- })
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+ }
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+ return false
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+ },
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+ getCanvasWrap(width, height) {
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+ const canvasWrap = document.createElement('canvas')
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+ canvasWrap.width = this.times * width
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+ canvasWrap.height = this.times * height
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+ canvasWrap.getContext('2d').scale(this.times, this.times)
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+ return canvasWrap
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+ },
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+ getUnderline(num) {
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+ const underline = document.createElement('div')
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+ // 暂定于1个空格5像素
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+ underline.setAttribute('style', `width: ${num * 5}px;border-bottom: 1px solid #000000;display: inline-block;vertical-align: baseline;transform: translateY(2px);`)
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+ return underline
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+ },
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+ // 遍历所有子元素
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+ findAllEle(promiseArr, parent) {
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+ for (let i of parent.childNodes) {
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+ if (i.nodeName === 'U') {
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+ parent.insertBefore(this.getUnderline(i.innerText.length), i)
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+ parent.removeChild(i)
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+ } else if (i.nodeName === 'IMG') {
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+ const promise = new Promise((resolve, reject) => {
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+ i.onload = async(e) => {
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+ // 如果图片存在浮动，需要手动设置容器的高度
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+ if (i.style.float) {
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+ const qs = document.querySelector('#qs')
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+ qs.style.height = Math.max(qs.getBoundingClientRect().height, i.height) + 'px'
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}
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}
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- });
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- promiseArr.push(promise);
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- }
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- if (i.hasChildNodes()) {
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- this.findAllEle(promiseArr, i);
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- }
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- }
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- },
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- waitingLoaingImg(cb) {
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- let doms;
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- let parent;
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- const qs = document.querySelector('#qs');
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- // 每次重置容器高度
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- qs.style.height = 'auto';
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- const promiseArr = [];
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- this.findAllEle(promiseArr, qs);
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- if (promiseArr.length === 0) {
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- const { width, height } = qs.getBoundingClientRect();
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- html2canvas(qs, {
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- canvas: this.getCanvasWrap(width, height),
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- useCORS: true,
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- }).then((canvas) => {
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- if (cb) {
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- cb(canvas)
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+ const { width, height } = qs.getBoundingClientRect()
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+ html2canvas(qs, {
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+ canvas: this.getCanvasWrap(width, height),
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+ useCORS: true
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+ }).then((canvas) => {
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+ resolve(canvas)
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+ })
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}
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}
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})
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})
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- } else {
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- Promise.all(promiseArr).then(res => {
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- // 虽然用了Promise.all，但实际假设只有一张图片
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- if (cb) {
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- cb(res[0])
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- }
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- });
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+ promiseArr.push(promise)
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}
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}
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- },
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- search() {
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- if (this.questionId) {
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- this.getData(this.questionId)
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- } else {
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- this.$message({
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- message: '请输入题目编号',
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- type: 'warning'
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- });
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- }
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- },
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- auto() {
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- this.isAuto = !this.isAuto;
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- if (this.isAuto) {
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- this.getData()
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+ if (i.hasChildNodes()) {
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+ this.findAllEle(promiseArr, i)
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}
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}
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- },
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- upLoad() {
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- if (this.questionId && this.imgUri) {
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- this.uploadQuestionImage(this.imgUri, 1)
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+ }
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+ },
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+ waitingLoaingImg(cb) {
|
|
|
|
|
+ let doms
|
|
|
|
|
+ let parent
|
|
|
|
|
+ const qs = document.querySelector('#qs')
|
|
|
|
|
+ // 每次重置容器高度
|
|
|
|
|
+ qs.style.height = 'auto'
|
|
|
|
|
+ const promiseArr = []
|
|
|
|
|
+ this.findAllEle(promiseArr, qs)
|
|
|
|
|
+ if (promiseArr.length === 0) {
|
|
|
|
|
+ const { width, height } = qs.getBoundingClientRect()
|
|
|
|
|
+ html2canvas(qs, {
|
|
|
|
|
+ canvas: this.getCanvasWrap(width, height),
|
|
|
|
|
+ useCORS: true
|
|
|
|
|
+ }).then((canvas) => {
|
|
|
|
|
+ if (cb) {
|
|
|
|
|
+ cb(canvas)
|
|
|
|
|
+ }
|
|
|
|
|
+ })
|
|
|
|
|
+ } else {
|
|
|
|
|
+ Promise.all(promiseArr).then(res => {
|
|
|
|
|
+ // 虽然用了Promise.all，但实际假设只有一张图片
|
|
|
|
|
+ if (cb) {
|
|
|
|
|
+ cb(res[0])
|
|
|
|
|
+ }
|
|
|
|
|
+ })
|
|
|
|
|
+ }
|
|
|
|
|
+ },
|
|
|
|
|
+ search() {
|
|
|
|
|
+ if (this.questionId) {
|
|
|
|
|
+ this.getData(this.questionId)
|
|
|
|
|
+ } else {
|
|
|
|
|
+ this.$message({
|
|
|
|
|
+ message: '请输入题目编号',
|
|
|
|
|
+ type: 'warning'
|
|
|
|
|
+ })
|
|
|
|
|
+ }
|
|
|
|
|
+ },
|
|
|
|
|
+ auto() {
|
|
|
|
|
+ this.isAuto = !this.isAuto
|
|
|
|
|
+ if (this.isAuto) {
|
|
|
|
|
+ this.getData()
|
|
|
|
|
+ }
|
|
|
|
|
+ },
|
|
|
|
|
+ upLoad() {
|
|
|
|
|
+ if (this.questionId && this.imgUri) {
|
|
|
|
|
+ this.uploadQuestionImage(this.imgUri, 1)
|
|
|
|
|
+ } else {
|
|
|
|
|
+ this.$message({
|
|
|
|
|
+ message: '请先搜索题目',
|
|
|
|
|
+ type: 'warning'
|
|
|
|
|
+ })
|
|
|
|
|
+ }
|
|
|
|
|
+ },
|
|
|
|
|
+ getData(questionId) {
|
|
|
|
|
+ axios.defaults.withCredentials = true
|
|
|
|
|
+ let str = ''
|
|
|
|
|
+ if (questionId) {
|
|
|
|
|
+ str = '?questionId=' + questionId
|
|
|
|
|
+ }
|
|
|
|
|
+ axios.get(this.domain + '/prod-api/front/questionCollection/getNextQuestionForImageGenerate' + str).then(response => {
|
|
|
|
|
+ if (response.data.code == 200) {
|
|
|
|
|
+ this.data = response.data.data
|
|
|
|
|
+ this.$nextTick(() => {
|
|
|
|
|
+ this.MathQueueTitle(str)
|
|
|
|
|
+ })
|
|
|
} else {
|
|
} else {
|
|
|
|
|
+ this.isAuto = false
|
|
|
this.$message({
|
|
this.$message({
|
|
|
- message: '请先搜索题目',
|
|
|
|
|
|
|
+ message: '获取题目信息失败',
|
|
|
type: 'warning'
|
|
type: 'warning'
|
|
|
- });
|
|
|
|
|
- }
|
|
|
|
|
- },
|
|
|
|
|
- getData(questionId) {
|
|
|
|
|
- axios.defaults.withCredentials = true;
|
|
|
|
|
- let str = ''
|
|
|
|
|
- if (questionId) {
|
|
|
|
|
- str = '?questionId=' + questionId
|
|
|
|
|
|
|
+ })
|
|
|
}
|
|
}
|
|
|
- axios.get(this.domain + '/prod-api/front/questionCollection/getNextQuestionForImageGenerate' + str).then(response => {
|
|
|
|
|
- if (response.data.code == 200) {
|
|
|
|
|
- this.data = response.data.data
|
|
|
|
|
- this.$nextTick(() => {
|
|
|
|
|
- this.MathQueueTitle(str)
|
|
|
|
|
- })
|
|
|
|
|
- } else {
|
|
|
|
|
- this.isAuto = false
|
|
|
|
|
- this.$message({
|
|
|
|
|
- message: '获取题目信息失败',
|
|
|
|
|
- type: 'warning'
|
|
|
|
|
- });
|
|
|
|
|
|
|
+ }).catch(function(error) { // 请求失败处理
|
|
|
|
|
+ this.isAuto = false
|
|
|
|
|
+ this.$message.error('网络请求异常！')
|
|
|
|
|
+ })
|
|
|
|
|
+ },
|
|
|
|
|
+ uploadQuestionImage(src, type) {
|
|
|
|
|
+ axios.defaults.withCredentials = true
|
|
|
|
|
+ var formData = new FormData()
|
|
|
|
|
+ formData.append('questionId', this.data.questionId)
|
|
|
|
|
+ formData.append('imageBase64', src)
|
|
|
|
|
+ if (this.isAuto == false) {
|
|
|
|
|
+ formData.append('manual', true)
|
|
|
|
|
+ }
|
|
|
|
|
+ axios.post(this.domain + '/prod-api/front/questionCollection/uploadQuestionImage', formData).then(response => {
|
|
|
|
|
+ console.log(response)
|
|
|
|
|
+ if (response.data.code == 200) {
|
|
|
|
|
+ if (this.isAuto) {
|
|
|
|
|
+ setTimeout(() => {
|
|
|
|
|
+ this.getData()
|
|
|
|
|
+ }, 2000)
|
|
|
}
|
|
}
|
|
|
- }).catch(function (error) { // 请求失败处理
|
|
|
|
|
- this.isAuto = false
|
|
|
|
|
- this.$message.error('网络请求异常！');
|
|
|
|
|
- });
|
|
|
|
|
- },
|
|
|
|
|
- uploadQuestionImage(src, type) {
|
|
|
|
|
- axios.defaults.withCredentials = true;
|
|
|
|
|
- var formData = new FormData()
|
|
|
|
|
- formData.append('questionId', this.data.questionId)
|
|
|
|
|
- formData.append('imageBase64', src)
|
|
|
|
|
- if (this.isAuto == false) {
|
|
|
|
|
- formData.append('manual', true)
|
|
|
|
|
- }
|
|
|
|
|
- axios.post(this.domain + '/prod-api/front/questionCollection/uploadQuestionImage', formData).then(response => {
|
|
|
|
|
- console.log(response)
|
|
|
|
|
- if (response.data.code == 200) {
|
|
|
|
|
- if (this.isAuto) {
|
|
|
|
|
- setTimeout(() => {
|
|
|
|
|
- this.getData()
|
|
|
|
|
- }, 2000);
|
|
|
|
|
- }
|
|
|
|
|
- if (type) {
|
|
|
|
|
- this.$message({
|
|
|
|
|
- message: '上传题目信息成功！',
|
|
|
|
|
- type: 'success'
|
|
|
|
|
- });
|
|
|
|
|
- }
|
|
|
|
|
- } else {
|
|
|
|
|
- this.isAuto = false
|
|
|
|
|
|
|
+ if (type) {
|
|
|
this.$message({
|
|
this.$message({
|
|
|
- message: '上传题目信息失败！',
|
|
|
|
|
- type: 'warning'
|
|
|
|
|
- });
|
|
|
|
|
|
|
+ message: '上传题目信息成功！',
|
|
|
|
|
+ type: 'success'
|
|
|
|
|
+ })
|
|
|
}
|
|
}
|
|
|
-
|
|
|
|
|
- }).catch(function (error) { // 请求失败处理
|
|
|
|
|
- this.isAuto = false
|
|
|
|
|
- this.$message.error('网络请求异常！');
|
|
|
|
|
- });
|
|
|
|
|
- },
|
|
|
|
|
- getCookie(str) {//获取cookie
|
|
|
|
|
- let cookie = document.cookie.split('; ');
|
|
|
|
|
- let cookies = {}
|
|
|
|
|
- cookie.forEach(item => {
|
|
|
|
|
- cookies[item.split('=')[0]] = item.split('=')[1]
|
|
|
|
|
- })
|
|
|
|
|
- return cookies[str]
|
|
|
|
|
- },
|
|
|
|
|
- MathQueueTitle(str) {//初始化公式
|
|
|
|
|
- if (MathQueue) {
|
|
|
|
|
- clearInterval(this.time)
|
|
|
|
|
- MathQueue('title')
|
|
|
|
|
- // setTimeout(() => {
|
|
|
|
|
- // this.$nextTick(() => {
|
|
|
|
|
- // this.downLoad(str)
|
|
|
|
|
- this.waitingLoaingImg((canvas) => { this.downLoad(str, canvas) });
|
|
|
|
|
- // })
|
|
|
|
|
- // }, 1000)
|
|
|
|
|
} else {
|
|
} else {
|
|
|
- this.time = setInterval(() => {
|
|
|
|
|
- this.MathQueueTitle()
|
|
|
|
|
- }, 5)
|
|
|
|
|
- }
|
|
|
|
|
- },
|
|
|
|
|
- downLoad(type, canvas1) {
|
|
|
|
|
- if (!this.data.questionId) {
|
|
|
|
|
|
|
+ this.isAuto = false
|
|
|
this.$message({
|
|
this.$message({
|
|
|
- message: '请先搜索题目！',
|
|
|
|
|
|
|
+ message: '上传题目信息失败！',
|
|
|
type: 'warning'
|
|
type: 'warning'
|
|
|
- });
|
|
|
|
|
- return
|
|
|
|
|
|
|
+ })
|
|
|
}
|
|
}
|
|
|
- this.questionId=this.data.questionId
|
|
|
|
|
- const times = 2 // 图片放大倍数，能提升清晰度
|
|
|
|
|
- let _this = this
|
|
|
|
|
- _this.imgUri = ''
|
|
|
|
|
- document.getElementById('qs').style.display = 'none'
|
|
|
|
|
- let _canvas = document.getElementById('ans')
|
|
|
|
|
- const { width, height } = _canvas.getBoundingClientRect();
|
|
|
|
|
- html2canvas(_canvas, {
|
|
|
|
|
- canvas: this.getCanvasWrap(width, height),
|
|
|
|
|
- useCORS: true,
|
|
|
|
|
- }).then((canvas2) => {
|
|
|
|
|
- document.getElementById('qs').style.display = 'block'
|
|
|
|
|
- var canvas3 = document.createElement("canvas");
|
|
|
|
|
- canvas3.width = Math.max(canvas1?.width ?? 0, canvas2.width)
|
|
|
|
|
- canvas3.height = (canvas1?.height ?? 0) + (canvas2.width && canvas2.height ? canvas2.height : 0)
|
|
|
|
|
- var ctx = canvas3.getContext("2d");
|
|
|
|
|
- // 绘制题目
|
|
|
|
|
- canvas1 && ctx.drawImage(canvas1, 0, 0, canvas1.width, canvas1.height);
|
|
|
|
|
- if (canvas2.width && canvas2.height) {
|
|
|
|
|
- // 绘制答案
|
|
|
|
|
- ctx.drawImage(canvas2, 0, canvas1?.height ?? 0, canvas2.width, canvas2.height);
|
|
|
|
|
- }
|
|
|
|
|
- _this.imgUri = canvas3.toDataURL('image/png')
|
|
|
|
|
- canvas1 = null
|
|
|
|
|
- canvas2 = null
|
|
|
|
|
- canvas3 = null
|
|
|
|
|
- if (!type) {
|
|
|
|
|
- _this.uploadQuestionImage(_this.imgUri)
|
|
|
|
|
- }
|
|
|
|
|
- })
|
|
|
|
|
- },
|
|
|
|
|
|
|
|
|
|
|
|
+ }).catch(function(error) { // 请求失败处理
|
|
|
|
|
+ this.isAuto = false
|
|
|
|
|
+ this.$message.error('网络请求异常！')
|
|
|
|
|
+ })
|
|
|
|
|
+ },
|
|
|
|
|
+ getCookie(str) {//获取cookie
|
|
|
|
|
+ let cookie = document.cookie.split('; ')
|
|
|
|
|
+ let cookies = {}
|
|
|
|
|
+ cookie.forEach(item => {
|
|
|
|
|
+ cookies[item.split('=')[0]] = item.split('=')[1]
|
|
|
|
|
+ })
|
|
|
|
|
+ return cookies[str]
|
|
|
|
|
+ },
|
|
|
|
|
+ MathQueueTitle(str) {//初始化公式
|
|
|
|
|
+ if (MathQueue) {
|
|
|
|
|
+ clearInterval(this.time)
|
|
|
|
|
+ MathQueue('title')
|
|
|
|
|
+ // setTimeout(() => {
|
|
|
|
|
+ // this.$nextTick(() => {
|
|
|
|
|
+ // this.downLoad(str)
|
|
|
|
|
+ this.waitingLoaingImg((canvas) => {
|
|
|
|
|
+ this.downLoad(str, canvas)
|
|
|
|
|
+ })
|
|
|
|
|
+ // })
|
|
|
|
|
+ // }, 1000)
|
|
|
|
|
+ } else {
|
|
|
|
|
+ this.time = setInterval(() => {
|
|
|
|
|
+ this.MathQueueTitle()
|
|
|
|
|
+ }, 5)
|
|
|
|
|
+ }
|
|
|
|
|
+ },
|
|
|
|
|
+ downLoad(type, canvas1) {
|
|
|
|
|
+ if (!this.data.questionId) {
|
|
|
|
|
+ this.$message({
|
|
|
|
|
+ message: '请先搜索题目！',
|
|
|
|
|
+ type: 'warning'
|
|
|
|
|
+ })
|
|
|
|
|
+ return
|
|
|
|
|
+ }
|
|
|
|
|
+ this.questionId = this.data.questionId
|
|
|
|
|
+ const times = 2 // 图片放大倍数，能提升清晰度
|
|
|
|
|
+ let _this = this
|
|
|
|
|
+ _this.imgUri = ''
|
|
|
|
|
+ document.getElementById('qs').style.display = 'none'
|
|
|
|
|
+ let _canvas = document.getElementById('ans')
|
|
|
|
|
+ const { width, height } = _canvas.getBoundingClientRect()
|
|
|
|
|
+ html2canvas(_canvas, {
|
|
|
|
|
+ canvas: this.getCanvasWrap(width, height),
|
|
|
|
|
+ useCORS: true
|
|
|
|
|
+ }).then((canvas2) => {
|
|
|
|
|
+ document.getElementById('qs').style.display = 'block'
|
|
|
|
|
+ var canvas3 = document.createElement('canvas')
|
|
|
|
|
+ canvas3.width = Math.max(canvas1?.width ?? 0, canvas2.width)
|
|
|
|
|
+ canvas3.height = (canvas1?.height ?? 0) + (canvas2.width && canvas2.height ? canvas2.height : 0)
|
|
|
|
|
+ var ctx = canvas3.getContext('2d')
|
|
|
|
|
+ // 绘制题目
|
|
|
|
|
+ canvas1 && ctx.drawImage(canvas1, 0, 0, canvas1.width, canvas1.height)
|
|
|
|
|
+ if (canvas2.width && canvas2.height) {
|
|
|
|
|
+ // 绘制答案
|
|
|
|
|
+ ctx.drawImage(canvas2, 0, canvas1?.height ?? 0, canvas2.width, canvas2.height)
|
|
|
|
|
+ }
|
|
|
|
|
+ _this.imgUri = canvas3.toDataURL('image/png')
|
|
|
|
|
+ canvas1 = null
|
|
|
|
|
+ canvas2 = null
|
|
|
|
|
+ canvas3 = null
|
|
|
|
|
+ if (!type) {
|
|
|
|
|
+ _this.uploadQuestionImage(_this.imgUri)
|
|
|
|
|
+ }
|
|
|
|
|
+ })
|
|
|
}
|
|
}
|
|
|
- });
|
|
|
|
|
-// }
|
|
|
|
|
|
|
|
|
|
- </script>
|
|
|
|
|
|
|
+ }
|
|
|
|
|
+ })
|
|
|
|
|
+ // }
|
|
|
|
|
+
|
|
|
|
|
+</script>
|
|
|
</body>
|
|
</body>
|
|
|
|
|
|
|
|
</html>
|
|
</html>
|
