(二) 日志规约
import org.slf4j.Logger; import org.slf4j.LoggerFactory; private static final Logger logger = LoggerFactory.getLogger(Abc.class);(条件) if (logger.isDebugEnabled()) { logger.debug("Processing trade with id: " + id + " and symbol: " + symbol); }(占位符) logger.debug("Processing trade with id: {} and symbol : {} ", id, symbol);logger.error(各类参数或者对象toString + "_" + e.getMessage(), e);
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