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linfso 2024-05-31 18:14:47 +08:00
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src/components/PdfViewer/index copy.vue
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<template>
<div id="container">
<div>
<div class="tools">
<el-button type="text" @click="FirstPage()">
<el-tooltip class="item" effect="light" content="第一页" placement="top">
<i class="el-icon-d-arrow-left"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="changePdfPage(0)">
<el-tooltip class="item" effect="light" content="上一页" placement="top">
<i class="el-icon-arrow-left"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="changePdfPage(1)">
<el-tooltip class="item" effect="light" content="下一页" placement="top">
<i class="el-icon-arrow-right"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="lastPage()">
<el-tooltip class="item" effect="light" content="最后一页" placement="top">
<i class="el-icon-d-arrow-right"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="setIsExit()" v-show="!isExit" style="margin-right:10px;">
<el-tooltip class="item" effect="light" content="页码选择" placement="top">
<i class="el-icon-setting"></i>
</el-tooltip>
</el-button>
<el-tooltip class="item" effect="light" content="页码选择" placement="top" v-show="isExit">
<el-select v-model="value" placeholder="请选择" @change="pageSelect" size="mini">
<el-option v-for="item in pageCount" :key="item" :label="'第 '+item+' 页'" :value="item"></el-option>
</el-select>
</el-tooltip>
<el-button type="text" @click="scaleD()">
<el-tooltip class="item" effect="light" content="放大" placement="top">
<i class="el-icon-zoom-in"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="scaleX()">
<el-tooltip class="item" effect="light" content="缩小" placement="top">
<i class="el-icon-zoom-out"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="clock()">
<el-tooltip class="item" effect="light" content="顺时针旋转" placement="top">
<i class="el-icon-refresh-right"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="counterClock()">
<el-tooltip class="item" effect="light" content="逆时针旋转" placement="top">
<i class="el-icon-refresh-left"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="downPDF">
<el-tooltip class="item" effect="light" content="下载" placement="top">
<i class="el-icon-download"></i>
</el-tooltip>
</el-button>
<el-button type="text" @click="printPDF">
<el-tooltip class="item" effect="light" content="打印" placement="top">
<i class="el-icon-printer"></i>
</el-tooltip>
</el-button>
<p class="total">
<el-tooltip class="item" effect="light" content="当前页" placement="top">
<b style="color:#F56C6C;cursor:pointer;">{{ currentPage }}</b> </el-tooltip>&nbsp;/&nbsp;
<el-tooltip class="item" effect="light" content="总页数" placement="top">
<b style="color:#67C23A;cursor:pointer;">{{ pageCount }}</b></el-tooltip>
</p>
</div>
<div class="main">
<pdf ref="pdf" id="pdf" :src="src" :page="currentPage" :rotate="pageRotate" @num-pages="pageCount = $event" @page-loaded="currentPage = $event" @loaded="loadPdfHandler"></pdf>
</div>
</div>
<!-- 上一页、下一页 -->
<div class="right-btn">
<!-- 输入页码 -->
<div class="pageNum">
<input v-model.number="currentPage"
type="number"
class="inputNumber"
@input="inputEvent()"> / {{pageCount}}
</div>
<div @click="changePdfPage('first')"
class="turn">
首页
</div>
<!-- 在按钮不符合条件时禁用 -->
<div @click="changePdfPage('pre')"
class="turn-btn"
:style="currentPage===1?'cursor: not-allowed;':''">
上一页
</div>
<div @click="changePdfPage('next')"
class="turn-btn"
:style="currentPage===pageCount?'cursor: not-allowed;':''">
下一页
</div>
<div @click="changePdfPage('last')"
class="turn">
尾页
</div>
</div>
<div class="pdfArea">
<pdf :src="src"
ref="pdf"
v-show="loadedRatio===1"
:page="currentPage"
@num-pages="pageCount=$event"
@progress="loadedRatio = $event"
@page-loaded="currentPage=$event"
@loaded="loadPdfHandler"
@link-clicked="currentPage = $event"
style="display: inline-block;width:100%"
id="pdfID"></pdf>
</div>
<!-- 加载未完成时，展示进度条组件并计算进度 -->
<div class="progress"
v-show="loadedRatio!==1">
<el-progress type="circle"
:width="70"
color="#53a7ff"
:percentage="Math.floor(loadedRatio * 100)"></el-progress>
<br>
<!-- 加载提示语 -->
<span>{{remindShow}}</span>
</div>
</div>
</template>
<script>
import pdf from 'vue-pdf'
export default {
name: "PdfViewer",
props: {
pdfUrl: {
type: [String],
required: false
},
},
components: {
pdf
},
computed: {
},
created () {
this.prohibit()
},
destroyed () {
// 在页面销毁时记得清空 setInterval
clearInterval(this.intervalID)
},
mounted () {
// 更改 loading 文字
this.intervalID = setInterval(() => {
this.remindShow === this.remindText.refresh
? this.remindShow = this.remindText.loading
: this.remindShow = this.remindText.refresh
}, 4000)
// 监听滚动条事件
this.listenerFunction()
},
data () {
return {
// ----- loading -----
remindText: {
loading: '正在加载...',
refresh: '正在加载...'
},
remindShow: '正在加载...',
intervalID: '',
// ----- vuepdf -----
src: this.pdfUrl,
// 当前页数
currentPage: 0,
// 总页数
pageCount: 0,
// 加载进度
loadedRatio: 0
}
},
watch: {
pdfUrl(newVal) {
console.log(this.pdfUrl)
if(this.pdfUrl){
this.src=this.pdfUrl;
}
},
},
methods: {
// 监听滚动条事件
listenerFunction (e) {
// document.getElementById('container').addEventListener('scroll', true)
},
// 页面回到顶部
toTop () {
document.getElementById('container').scrollTop = 0
},
// 输入页码时校验
inputEvent () {
if (this.currentPage > this.pageCount) {
// 1. 大于max
this.currentPage = this.pageCount
} else if (this.currentPage < 1) {
// 2. 小于min
this.currentPage = 1
}
},
// 切换页数
changePdfPage (val) {
if (val === 'pre' && this.currentPage > 1) {
// 切换后页面回到顶部
this.currentPage--
this.toTop()
} else if (val === 'next' && this.currentPage < this.pageCount) {
this.currentPage++
this.toTop()
} else if (val === 'first') {
this.currentPage = 1
this.toTop()
} else if (val === 'last' && this.currentPage < this.pageCount) {
this.currentPage = this.pageCount
this.toTop()
}
},
// pdf加载时
loadPdfHandler (e) {
// 加载的时候先加载第一页
this.currentPage = 1
},
// 禁用鼠标右击、F12 来禁止打印和打开调试工具
prohibit () {
// console.log(document)
// document.oncontextmenu = function () {
// return false
// }
// document.onkeydown = function (e) {
// if (e.ctrlKey && (e.keyCode === 65 || e.keyCode === 67 || e.keyCode === 73 || e.keyCode === 74 || e.keyCode === 80 || e.keyCode === 83 || e.keyCode === 85 || e.keyCode === 86 || e.keyCode === 117)) {
// return false
// }
// if (e.keyCode === 18 || e.keyCode === 123) {
// return false
// }
// }
}
}
}
</script>
<style scoped>
#container {
overflow: auto;
height: 100%;
font-family: PingFang SC;
width: 100%;
display: flex;
/* justify-content: center; */
position: relative;
}
/* 右侧功能按钮区 */
.right-btn {
position: fixed;
right: 5%;
bottom: 15%;
width: 120px;
display: flex;
flex-wrap: wrap;
justify-content: center;
z-index: 99;
}
.pdfArea {
width: 50%;
}
/* ------------------- 输入页码 ------------------- */
.pageNum {
margin: 10px 0;
font-size: 18px;
}
/*在谷歌下移除input[number]的上下箭头*/
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
-webkit-appearance: none !important;
margin: 0;
}
/*在firefox下移除input[number]的上下箭头*/
input[type='number'] {
-moz-appearance: textfield;
}
.inputNumber {
border-radius: 8px;
border: 1px solid #999999;
height: 35px;
font-size: 18px;
width: 60px;
text-align: center;
}
.inputNumber:focus {
border: 1px solid #00aeff;
background-color: rgba(18, 163, 230, 0.096);
outline: none;
transition: 0.2s;
}
/* ------------------- 切换页码 ------------------- */
.turn {
background-color: #888888;
opacity: 0.7;
color: #ffffff;
height: 70px;
width: 70px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
margin: 5px 0;
}
.turn-btn {
background-color: #000000;
opacity: 0.6;
color: #ffffff;
height: 70px;
width: 70px;
border-radius: 50%;
margin: 5px 0;
display: flex;
align-items: center;
justify-content: center;
}
.turn-btn:hover,
.turn:hover {
transition: 0.3s;
opacity: 0.5;
cursor: pointer;
}
/* ------------------- 进度条 ------------------- */
.progress {
position: absolute;
right: 50%;
top: 50%;
text-align: center;
}
.progress > span {
color: #199edb;
font-size: 14px;
}
</style>