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注意:不是浏览器新窗口预览pdf文件,浏览器窗口打开可以点击:js浏览器新窗口预览pdf文件
首先,需安装vue-pdf-embedvue3-pdfjs
template:

<div>
   <div class="pdf-preview">
       <div class="pdf-wrap">
           <vue-pdf-embed :source="state.source" :style="scaleFun" class="vue-pdf-embed" :page="state.pageNum" />
       </div>
   </div>
   <div class="page-tool">
       <div class="page-tool-item" @click="lastPage">上一页</div>
       <div class="page-tool-item" @click="nextPage">下一页</div>
       <div class="page-tool-item">{{state.pageNum}}/{{state.numPages}}</div>
       <div class="page-tool-item" @click="pageZoomOut">放大</div>
       <div class="page-tool-item" @click="pageZoomIn">缩小</div>
   </div>
</div>

js:

import { computed, onMounted, reactive } from 'vue';
import VuePdfEmbed from "vue-pdf-embed";
import { createLoadingTask } from "vue3-pdfjs/esm"; // 获得总页数
import source from '../../../../assets/平台用户操作手册-20230410.pdf';
const state = reactive({
    source,
    pageNum: 1, //当前页面
    scale: 1, // 缩放比例
    numPages: 0, // 总页数
});
const loadingTask = createLoadingTask(state.source);
   loadingTask.promise.then((pdf:{numPages: number}) => {
       state.numPages = pdf.numPages;
   });
const scaleFun = computed(() => `transform:scale(${state.scale})`)
function lastPage() {
    if (state.pageNum > 1) {
        state.pageNum -= 1;
    }
}
function nextPage() {
    if (state.pageNum < state.numPages) {
        state.pageNum += 1;
    }
}
function pageZoomOut() {
    if (state.scale < 2) {
        state.scale += 0.1;
    }
}
function pageZoomIn() {
    if (state.scale > 1) {
        state.scale -= 0.1;
    }
}
onMounted(() => {
    loadingTask.promise.then((pdf:{numPages: number}) => {
       state.numPages = pdf.numPages;
   });
})

样式自己调整

本文标签: 页面PDF