var exporter = new CSVExporter({
        fileName: 'example-1',
        columns: [{
          title: 'Name',
          key: 'name'
        }, {
          title: 'Age',
          key: 'age'
        }],
        data: [{
          name: 'A',
          age: 21
        }, {
          name: 'B',
          age: 23
        }]
      });

      exporter.export();
    

      var exporter = new CSVExporter({
        fileName: 'example-2',
        columns: [{
          title: 'name',
        }, {
          title: 'age',
        }],
        data: [{
          name: 'A',
          age: 21
        }, {
          name: 'B',
          age: 23
        }]
      });

      exporter.export();
    

      var exporter = new CSVExporter({
        columns: [{
          title: 'Name',
          key: 'name'
        }, {
          title: 'Age',
          key: 'age',
          formatter: function(age) {
            return age + 10;
          }
        }],
        data: [{
          name: 'A',
          age: 21
        }, {
          name: 'B',
          age: 23
        }]
      });
      exporter.export();
    

      var exporter = new CSVExporter({
        columns: [{
          title: 'Name',
        }, {
          title: 'Age'
        }],
        data: [
          ['A', 21],
          ['B', 23]
        ]
      });
      exporter.export();
    

      var exporter = new CSVExporter({
        columns: [{
          title: 'Name',
        }, {
          title: 'Age',
          formatter: function(age) {
            return age + 10;
          }
        }],
        data: [
          ['A', 21],
          ['B', 23]
        ]
      });
      exporter.export();
    

       var exporter = new CSVExporter({
        columns: ['Name', 'Age'],
        data: [
          ['A', 21],
          ['B', 23]
        ]
      });
      exporter.export();
    

      var exporter = new CSVExporter({
        columns: ['姓名', '年龄'],
        data: [
          ['姓名1', 21],
          ['姓名2', 23]
        ]
      });
      exporter.export();