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MySQL支持的一种插入多行数据的INSERT语句写法是 INSERT INTO 表名 (字段名1,字段名2,字段名3) VALUES (值1,值2,值3,...),(值1,值2,值3,...)... 对应的接口方法 //给News插入多条类别 public int addMoreNewsTypeB 阅读全文
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log4j:WARN No appenders could be found for logger (org.apache.ibatis.logging.LogFactory). log4j:WARN Please initialize the log4j system properly. 缺少lo 阅读全文
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SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/F:/Spring%20project/mybatis_demo/libs/slf4j-jdk14-1.7.29.jar!/o 阅读全文