摘要：package com.dunn.model; import java.util.Properties; import javax.mail.Address; import javax.mail.Message; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetA... 阅读全文

摘要：writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("d:\\order.txt"))); writer.write(str); //如果不手动刷新缓存并且关闭流,很可能文件内容为空 writer.flush(); writer.close(); 阅读全文