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       
(Showing Draft Content)

Excel IO要素

Excel IO要素を使用すると、Excelファイルのインポートおよびエクスポート機能を簡単に実現できます。

  1. Angular CLIをインストールする

    コマンドプロンプトウィンドウを開き、次のコマンドを入力します。

    npm install -g @angular/cli
  2. Angularアプリを作成する

    Angularアプリを作成して、アプリフォルダに移動します。

    ng new spread-sheets-angular-cli
    cd spread-sheets-angular-cli
  3. Spread.Sheetsモジュールをインストールする

    Spread.Sheets本体、Angularモジュール、および日本語リソースを、npmからインストールします。

    npm install @grapecity/spread-sheets
    npm install @grapecity/spread-sheets-angular
    npm install @grapecity/spread-sheets-resources-ja
  4. プロジェクトでExcel IO AngularモジュールとFileSaver Angularモジュールをインストールする

    Excel I/Oおよびfile-saverモジュールをプロジェクトにインストールするには、次のコマンドを使用します。

    npm install @grapecity/spread-excelio
    npm install file-saver --save
  5. angle.jsonファイルでSpreadJS のCSSを構成する

    次のように、angular.jsonファイルでSpreadJS CSSを構成します。

    {
      ...
      "projects":{
        "spread-sheets-angular-cli":{
          ...
          "architect":{
            ...
            "build":{
              ...
              options:{
                ...
                "styles": [
                  "node_modules/@grapecity/spread-sheets/styles/gc.spread.sheets.excel2016darkGray.css"
                ],
                ...
              }
              ...
            }
            ...
          }
          ...
        }
      }
      ...
    }
  6. AngularアプリケーションでExcel IOを使用する

    Spread.Sheetsモジュールをインポートするには、app.module.tsファイルを次のように変更します。

    import { BrowserModule } from '@angular/platform-browser';
    import { NgModule } from '@angular/core';
    import { AppComponent } from './app.component';
    import { SpreadSheetsModule } from "@grapecity/spread-sheets-angular";
    @NgModule({
    declarations: [AppComponent],
    imports: [BrowserModule,SpreadSheetsModule],
    providers: [],
    bootstrap: [AppComponent]
    })
    export class AppModule { }

    SpreadJSコンポーネントを表示するには、app.component.htmlを次のように変更します。

    <div class='maincontainer'>
      <gc-spread-sheets [hostStyle]="hostStyle" (workbookInitialized)="workbookInit($event)">
      </gc-spread-sheets>
      <div class='loadExcelInput'>
        <p>Open Excel File</p>
        <input type="file" name="files[]" multiple id="jsonFile" accept=".xlsx" (change)="onFileChange($event)" />
      </div>
      <div class='exportExcel'>
        <p>Save Excel File</p>
        <button (click)="onClickMe($event)">Save Excel!</button>
      </div>
    </div>

    Excel IO要素を使用して、Excelファイルのインポート/エクスポート機能を実装するには、app.component.tsを次のように変更します。

    import { Component, ViewChild } from '@angular/core';
    import * as GC from '@grapecity/spread-sheets';
    import * as Excel from '@grapecity/spread-excelio';
    import { saveAs } from 'file-saver';
    // ライセンス情報
    var SpreadJSKey = "xxxx";
    GC.Spread.Sheets.LicenseKey = SpreadJSKey;
    // また、SpreadJSキーをEXCELIOに設定する必要があります
    (<any>Excel).LicenseKey = SpreadJSKey;
    @Component({
      selector: 'app-root',
      templateUrl: './app.component.html',
      styleUrls: ['./app.component.css']
    })
    export class AppComponent {
      spreadBackColor = 'aliceblue';
      hostStyle = {
        width: '95vw',
        height: '80vh'
      };
      private spread!: GC.Spread.Sheets.Workbook;;
      private excelIO;
      constructor() {
        this.excelIO = new Excel.IO();
      }
      workbookInit(args: { spread: GC.Spread.Sheets.Workbook; }) {
        const self = this;
        self.spread = args.spread;
        const sheet = self.spread.getActiveSheet();
        sheet.getCell(0, 0).text('Test ExcelIO').foreColor('blue');
      }
      onFileChange(args: any) {
        const self = this, file = args.srcElement && args.srcElement.files && args.srcElement.files[0];
        if (self.spread && file) {
          self.excelIO.open(file, (json: Object) => {
            self.spread.fromJSON(json, {});
            setTimeout(() => {
              alert('Excel loaded successfully');
            }, 0);
          }, (error: any) => {
            alert('load fail');
          });
        }
      }
      onClickMe(args: any) {
        const self = this;
        const filename = 'ExportedExcel.xlsx';
        const json = JSON.stringify(self.spread.toJSON());
        self.excelIO.save(json, function (blob: any) {
          saveAs(blob, filename);
        }, function (e: any) {
          console.log(e);
        });
      }
    }
  7. アプリを実行する

    以下のコマンドでアプリを実行します。

    ng serve