找不到模块“。” 使用 Wijmo FlexGridPdfConverter 时 Angular2 出错

Question

我正在尝试使用Wijmo_FlexGridPdfConverter但在控制台上收到此错误。 错误找不到模块“。”

• 代码.ts

import * as wjGrid from 'wijmo/wijmo.grid';
import * as wjcPDF from 'wijmo/wijmo.pdf';
import * as wjcGridPDF from "wijmo/wijmo.grid.pdf";
import * as wjcCore from 'wijmo/wijmo';

@ViewChild('flexDetail') flexDetail: wjGrid.FlexGrid;

  public exportToPdf(){
    
  wjcGridPDF.FlexGridPdfConverter.export(this.flexDetail, 'CDC-Reconcilation.pdf', {
    maxPages: 10,
  
    documentOptions: {
        header: { declarative: { text: '\t&[Page] of &[Pages]' } },
        footer: { declarative: { text: '\t&[Page] of &[Pages]' } },
        info: { author: 'C1', title: 'CDC-Reconcilation' }
    },
    styles: {
        cellStyle: { backgroundColor: '#ffffff', borderColor: '#c6c6c6' },
        headerCellStyle: { backgroundColor: '#eaeaea' }
    }
    });
  }