slf4j 为什么用{}而不是%s

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%s 是基本库内置，通用性广，而且格式化也更好： logger.info("param1: %s, param2: %d{yyyy-MM-dd}", "param1", new Date()); logger.info("param1: {}, param2: {}", "param1", Formatter.format(new Date(), "yyyy-MM-dd")); 明显第一个更好

1 replies • 2018-01-29 12:51:20 +08:00

sutra

Jan 29, 2018

https://stackoverflow.com/a/41537778/991131