缩放 ​

let config = ComPDFKit.getDefaultConfig({
  readerViewConfig: {
    pageScale: 1.0
  }
});
ComPDFKit.openDocument(samplePDF, '', config);

// CPDFReaderWidget 示例
<CPDFReaderView
    ref={pdfReaderRef}
    document={samplePDF}
    saveDocument={saveDocument}
    configuration={config}/>