甘特图 API方法columnIndexByDate页面内容columnIndexByDate Description 提供对应于给定日期的列索引 columnIndexByDate: (date: Date) => numberParameters date - (required) Date - 一个日期对象 Returns index - (number) - 列的索引 Examplegantt.columnIndexByDate(new Date(2017, 03, 11)); // ->10Need help?Got a question about the documentation? Reach out to our technical support team for help and guidance. For custom component solutions, visit the Services page.