Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'ID' in where clause is ambiguous
; SQL []; Column 'ID' in where clause is ambiguous; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'ID' in where clause is ambiguous
意思是WHERE子句中的列“id”是不明确的
出现的原因是在多表连接查询时,两个表拥有一样的字段名,mysql不明确你要查询的是哪个表的字段名