Looker 개발자 대상: 이 페이지에 표시된 형식은 value_format LookML 매개변수에서 사용한 형식과 동일하지만 value_format 매개변수를 사용하기 위해서는 형식 지정 문자열을 큰따옴표로 묶어야 합니다.
커스텀 형식을 사용하면 Looker 결과 조합에서 숫자 데이터가 표시되는 방식을 더 세부적으로 제어할 수 있습니다. 커스텀 형식을 사용하면 시각화로 표시되거나 커스텀 필드 또는 테이블 계산으로 생성되는 숫자 데이터에 Excel 스타일의 형식 지정 옵션을 적용할 수 있습니다.
[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["이해하기 어려움","hardToUnderstand","thumb-down"],["잘못된 정보 또는 샘플 코드","incorrectInformationOrSampleCode","thumb-down"],["필요한 정보/샘플이 없음","missingTheInformationSamplesINeed","thumb-down"],["번역 문제","translationIssue","thumb-down"],["기타","otherDown","thumb-down"]],["최종 업데이트: 2024-12-22(UTC)"],[],[],null,["# Adding custom formatting to fields\n\n| **Note:** This page is part of the [Retrieve and chart data](/looker/docs/retrieve-and-chart-data) learning series.\n\u003e For Looker developers: The formatting shown on this page is the same as formatting used with the [`value_format` LookML parameter](/looker/docs/reference/param-field-value-format), except that the `value_format` parameter requires the formatting string to be enclosed in double quotes.\n\nCustom formatting gives you greater control over how numeric data appears in a Looker result set. With custom formatting, you can apply Excel-style formatting options to numeric data shown in [visualizations](/looker/docs/creating-visualizations), or produced by [custom fields](/looker/docs/custom-fields) or [table calculations](/looker/docs/table-calculations).\n| **Caution:** Custom formatting is supported only for [dimensions of `type: number`](/looker/docs/reference/param-dimension-filter-parameter-types#number) or [measures of `type: number`](/looker/docs/reference/param-measure-types#number). Users who do not have `develop` permissions can view a field's data type by selecting the [**Info** icon](/looker/docs/creating-and-editing-explores#info_icon) next to a field's name in the Explore [field picker](/looker/docs/creating-and-editing-explores#field-specific_information_and_actions).\n\nUsing custom formatting in visualizations\n-----------------------------------------\n\nFor visualizations with a **Values** tab in the gear menu:\n\n1. Select the **Edit** menu on the **Visualization** bar.\n2. Select the **Values** tab.\n3. In the **Value Format** field, enter the custom formatting string.\n\nFor example, to add custom formatting for a [table visualization](/looker/docs/table-options):\n\n1. Select the **Edit** menu on the **Visualization** bar.\n2. Select the **Series** tab.\n3. In the **Customizations** section, select the **Format** drop-down and choose **Custom...**.\n\nA new blank field will appear when you select **Custom...**. Enter the custom formatting string in the blank field.\n\nUsing custom formatting with table calculations and custom fields\n-----------------------------------------------------------------\n\nWhen you create or edit a [table calculation](/looker/docs/table-calculations#creating_table_calculations) or [custom field](/looker/docs/custom-fields), select the **Custom** option in the **Format** drop-down and enter the custom format in the blank field.\n\nCustom formatting examples\n--------------------------\n\nYou can reference Excel's complete guide to specifying these formats [on their Number format codes documentation page](https://support.office.com/en-us/article/number-format-codes-5026bbd6-04bc-48cd-bf33-80f18b4eae68), or you can use a third-party tool to build a custom format, such as [Custom Formats Builder](https://customformats.com/).\n| **Warning:** Date formatting, color formatting, and hexadecimal conversion are not supported in Looker.\n\nSome of the most common formatting options are listed in the following table. A format code that uses `0` requires that non-significant zeros be displayed if the number contains fewer digits than specified in the code. A format code that uses `#` displays only the significant digits, even if there are fewer digits than specified in the code.\n\nSome special characters, such as international currency symbols, must be treated as strings and enclosed in double quotes.\n| **Caution:** Excel-style formatting does not support many international number formats, such as 1.234,56 or 1 234,56. Looker does support several international formats through the localization function. For information about localizing number formats, see the [Localizing number formatting](/looker/docs/localizing-number-formatting) documentation page.\n\nTime formatting for charts\n--------------------------\n\nIf your chart as a time dimension on the x-axis, you can change the formatting of the x-axis label by using the **Time Label Format** setting in the **X** tab of the visualization options. You can format time values in by using the syntax on the [Time formatting for charts](/looker/docs/time-formatting-for-charts) page."]]