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render = function render(){var _vm=this,_c=_vm._self._c;return _c('div',{staticStyle:{\"width\":\"320px\",\"height\":\"560px\"}},[_c('pdf',{attrs:{\"url\":\"https://ebook.t.educg.com/fileDownloadPDF.out?fid=64b8b173a2f25a13be7fa228\",\"type\":\"canvas\"}}),_c('pdf',{attrs:{\"url\":\"https://ebook.t.educg.com/fileDownloadPDF.out?fid=64b8b173a2f25a13be7fa228\",\"type\":\"svg\"}})],1)\n}\nvar staticRenderFns = []\n\nexport { render, staticRenderFns }","// src/components/pdf/getPdfjsDist.js\nconst getJavsScript = (src) => {\n    return new Promise((resolve, reject) => {\n      const script = document.createElement('script')\n  \n      script.onload = resolve\n      script.onerror = reject\n  \n      script.src = src\n      document.body.append(script)\n    })\n  }\n  \n  const getCss = (href) => {\n    return new Promise((resolve, reject) => {\n      const link = document.createElement('link')\n  \n      link.onload = resolve\n      link.onerror = reject\n  \n      link.setAttribute('rel', 'stylesheet')\n      link.setAttribute('type', 'text/css')\n      link.href=href\n      document.body.append(link)\n    })\n  }\n  \n  const getPdfjsDist = (pdfjsDistPath) => {\n    return getJavsScript(`${pdfjsDistPath}/pdfjs-dist/build/pdf.js`)\n    .then(() => {\n      return Promise.all([\n        getJavsScript(`${pdfjsDistPath}/pdfjs-dist/web/pdf_viewer.js`),\n        getCss(`${pdfjsDistPath}/pdfjs-dist/web/pdf_viewer.css`)\n      ])\n    })\n  }\n  \n  export default getPdfjsDist","\n// src/components/pdf/pdf.js\nimport getPdfjsDist from '@/components/pdf/getPdfjsDist'\n\nexport default {\n  name: 'Pdf',\n  props: {\n    url: {\n      type: String,\n      default: ''\n    },\n    type: {\n      type: String,\n      default: 'svg'\n    },\n    pdfjsDistPath: {\n      type: String,\n      default: '.'\n    }\n  },\n  data() {\n    return {\n      pdfViewer: null,\n      pdfLinkService: null,\n      currentScale: 'page-width',\n      loadingTask: null\n    }\n  },\n\n  methods: {\n    onPagesInit({source}) {\n      source.currentScaleValue = this.currentScale\n    },\n    async pdfLibInit() {\n      let pdfjsLib = window.pdfjsLib;\n      let pdfjsViewer = window.pdfjsViewer\n      if (!pdfjsLib || !pdfjsViewer) {\n        try {\n          await getPdfjsDist(this.pdfjsDistPath)\n          this.CMAP_URL = `${this.pdfjsDistPath}/pdfjs-dist/cmaps/`\n          pdfjsLib = window.pdfjsLib;\n          pdfjsLib.GlobalWorkerOptions.workerSrc = `${this.pdfjsDistPath}/pdfjs-dist/build/pdf.worker.js`\n          pdfjsViewer = window.pdfjsViewer\n        } catch (error) {\n          // console.log(error)\n          // pdfjs文件获取失败\n          return\n        }\n      }\n\n      const container = this.$refs.container\n      const eventBus = new pdfjsViewer.EventBus();\n\n      // (Optionally) enable hyperlinks within PDF files.\n      const pdfLinkService = new pdfjsViewer.PDFLinkService({\n        eventBus: eventBus,\n      });\n      this.pdfLinkService = pdfLinkService\n      const pdfViewer = new pdfjsViewer.PDFViewer({\n        container: container,\n        eventBus: eventBus,\n        linkService: pdfLinkService,\n        renderer: this.type,\n        textLayerMode: 0,\n        downloadManager: new pdfjsViewer.DownloadManager({}),\n        enableWebGL: true\n      });\n      this.pdfViewer = pdfViewer\n      pdfLinkService.setViewer(pdfViewer);\n\n      eventBus.on(\"pagesinit\", this.onPagesInit);\n    },\n    renderPdf() {\n      if (!this.url) { return }\n      // Loading document.\n      if (this.pdfViewer === null || this.pdfLinkService === null) {\n        return\n      }\n      if (this.loadingTask !== null) {\n        this.loadingTask.destroy()\n        this.loadingTask = null\n      }\n      this.loadingTask = window.pdfjsLib.getDocument({\n        cMapUrl: this.CMAP_URL,\n        cMapPacked: true,\n        url: this.url,\n      });\n      return this.loadingTask.promise.then((pdfDocument) => {\n        if (pdfDocument.loadingTask.destroyed || !this.url) { return }\n        this.pdfViewer.setDocument(pdfDocument)\n        this.pdfLinkService.setDocument(pdfDocument, null);\n        this.loadingTask = null\n      }).catch(error => {\n        console.log(error)\n      });\n    }\n  },\n  mounted() {\n    this.pdfLibInit().then(() => {\n      this.renderPdf()\n    })\n  },\n  watch: {\n    url() {\n      // 如果存在pdfViewer则取消渲染\n      if(this.pdfViewer) {\n        this.pdfViewer._cancelRendering()\n      }\n      this.renderPdf()\n    }\n  },\n  render() {\n    return (\n      <div class=\"pdf-view\">\n        <div id=\"viewerContainer\" ref=\"container\">\n          <div id=\"viewer\" class=\"pdfViewer\" />\n        </div>\n      </div>\n    )\n  }\n}","\n<template>\n    <div style=\"width:320px;height:560px\">\n    <!-- canvas渲染方式 -->\n    <pdf url=\"https://ebook.t.educg.com/fileDownloadPDF.out?fid=64b8b173a2f25a13be7fa228\" type=\"canvas\" />\n    <!-- svg渲染方式 -->\n    <pdf url=\"https://ebook.t.educg.com/fileDownloadPDF.out?fid=64b8b173a2f25a13be7fa228\" type=\"svg\" />\n</div>\n</template>\n\n<script>\nimport pdf from \"@/components/pdf/pdf.js\";\nexport default {\n    name:'',\n    components:{\n        pdf \n    }\n}\n</script>","import mod from \"-!../../node_modules/cache-loader/dist/cjs.js??ref--13-0!../../node_modules/thread-loader/dist/cjs.js!../../node_modules/babel-loader/lib/index.js!../../node_modules/cache-loader/dist/cjs.js??ref--1-0!../../node_modules/@vue/cli-service/node_modules/vue-loader/lib/index.js??vue-loader-options!./pdf.vue?vue&type=script&lang=js&\"; export default mod; export * from \"-!../../node_modules/cache-loader/dist/cjs.js??ref--13-0!../../node_modules/thread-loader/dist/cjs.js!../../node_modules/babel-loader/lib/index.js!../../node_modules/cache-loader/dist/cjs.js??ref--1-0!../../node_modules/@vue/cli-service/node_modules/vue-loader/lib/index.js??vue-loader-options!./pdf.vue?vue&type=script&lang=js&\"","import { render, staticRenderFns } from \"./pdf.vue?vue&type=template&id=8a68dbf2&\"\nimport script from \"./pdf.vue?vue&type=script&lang=js&\"\nexport * from \"./pdf.vue?vue&type=script&lang=js&\"\n\n\n/* normalize component */\nimport normalizer from \"!../../node_modules/@vue/cli-service/node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n  script,\n  render,\n  staticRenderFns,\n  false,\n  null,\n  null,\n  null\n  \n)\n\nexport default component.exports"],"sourceRoot":""}