log4j:WARN No appenders could be found for logger
log4j:WARN Please initialize the log4j system properly
*如提示,在src_resources目錄下新建log4j.properties,
將下面的內容寫入文件
###根logger設置###
log4j.rootLogger = INFO,console,file
### 輸出信息到控制檯###
log4j.appender.console = org.apache.log4j.ConsoleAppender
log4j.appender.console.Target = System.out
log4j.appender.console.layout = org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern = [%p] %d{yyyy-MM-dd HH:mm:ss} method: %1----%m%n
*idea
1.ctrl+alt+shift+s
2.選擇你的目標文件夾,再選在Mark as:後的sources選項,apply,loj4j.properties就生效了;