[{"id":"7720ca38-fc98-4fd8-a3a5-3c0e730c3c72","tags":[{"product":null,"links":null,"id":"2f522515-8c88-4017-855d-905bc4b0ea3c","name":"Upd","color":"Blue","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"247ded67-b050-4436-be40-fe7b0eeabef7","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"9a8c377f-1f1e-476e-b487-c2339da9bed3","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"5e8e6db2-89b9-4184-bbdc-301ee676869e","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"e04b598e-b0d8-4054-bdac-5143d90b3d51","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"edb028d0-a8cc-42b2-acda-42a5515729f0","tags":[{"product":null,"links":null,"id":"2f522515-8c88-4017-855d-905bc4b0ea3c","name":"Upd","color":"Blue","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"2adde444-20a6-43d7-8896-2b445877327a","tags":[{"product":null,"links":null,"id":"2f522515-8c88-4017-855d-905bc4b0ea3c","name":"Upd","color":"Blue","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"6ab8ced2-6c7a-41b6-b861-ba066bd40f40","tags":[{"product":null,"links":null,"id":"2f522515-8c88-4017-855d-905bc4b0ea3c","name":"Upd","color":"Blue","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"0c34aedd-80a3-470b-a0f6-c327a4346be7","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"717a5892-fa23-499b-a61d-cff228943aaf","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"bd9be971-69fc-4793-ad6d-234be7a93048","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"a1e8d38f-43d8-4b3e-b747-3fbf7656fcd9","tags":[{"product":null,"links":null,"id":"2f522515-8c88-4017-855d-905bc4b0ea3c","name":"Upd","color":"Blue","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"d6995fdf-76ee-421f-9e7a-3fb324d14bbb","tags":[{"product":null,"links":null,"id":"2f522515-8c88-4017-855d-905bc4b0ea3c","name":"Upd","color":"Blue","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"64fa3155-4543-4acd-83b7-f9860fd46673","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"698413bd-0b16-4287-baec-644d98a411d1","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]},{"id":"7e4393a0-21ef-438b-981b-325b64db5baa","tags":[{"product":null,"links":null,"id":"6c1a6899-1b88-404c-9a73-4a0c6c9090a3","name":"New","color":"Red","productId":"66a69675-7df9-45b2-867a-4ab2613535fa"}]}]
デモ ヘルプ APIリファレンス デザイナ
ダウンロード
(Showing Draft Content)

suspendEventおよびresumeEvent

ユーザーがAPIを呼び出してデータを変更したり、既存のスタイルを変更したりするたびに、CellChangedイベントが発生します。 イベントが短い間隔で繰り返し発生する場合、大きなオーバーヘッドが発生し、全体的なパフォーマンスが低下する可能性があります。

したがって、一度に多くの変更を行う必要があるが、Spreadイベントを発生させたくない場合は、suspendEventメソッドとresumeEventメソッドを使用することをお勧めします。

suspendEventメソッドは、すべての変更が完了するまでイベント処理を停止し、resumeEventメソッドでイベント処理を再開します。

次のコードは、SpreadJSで操作する際、 suspendEvent メソッドと resumeEvent メソッドでパフォーマンスを向上する方法を示します。

var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
var sheet = spread.getActiveSheet();
spread.bind(GC.Spread.Sheets.Events.CellChanged, function (sender, args) {
console.log(sheet.getValue(args.row, args.col) + "の値を持つ[" + args.row + "," + args.col + "]セルでCellChangedイベントが発生します");
});
spread.suspendPaint();
spread.suspendEvent();
for (var i = 0; i < 20; i++) {
for (var j = 0; j < 10; j++) {
sheet.setValue(i, j, "111");
}
}
spread.resumeEvent();
spread.resumePaint();
/* この場合、CellChangedイベントがセル[22,2]の場合のみ発生し、
   他のセルの場合は発生しません。セル[22, 2]の値がsuspendEvent()とresumeEvent()メソッドの境界の後に設定されているからです。*/
sheet.setValue(22, 2, "222");