摘要:
SELECT SUM(co)FROM ( SELECT telephone, count(telephone) AS co FROM noteaddress GROUP BY telephone HAVING count(telephone) > 1 ) as a 阅读全文
摘要:
package com.icss.test;import java.io.FileInputStream;import java.io.InputStream;import java.util.ArrayList;import java.util.List;import org.apache.poi 阅读全文