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  • 大小: 0.27M
    文件類型: .zip
    金幣: 1
    下載: 0 次
    發布日期: 2021-02-20
  • 語言: Java
  • 標簽:

資源簡介

Java 使用UNION ALL運算符保留重復的行(基礎篇-實例580).zip

資源截圖

代碼片段和文件信息


import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.ResultSet;
import?java.sql.SQLException;
import?java.sql.Statement;
public?class?FinDept?{
????private?Connection?conn;
????
????public?Connection?getConn()?{
????????try?{
????????????Class.forName(“net.sourceforge.jtds.jdbc.Driver“);?//?加載數據庫驅動
????????}?catch?(ClassNotFoundException?e)?{
????????????e.printStackTrace();
????????}
????????String?url?=?“jdbc:jtds:sqlserver://localhost:1433;DatabaseName=db_database23“;?//?連接數據庫URL
????????String?userName?=?“sa“;?//?連接數據庫的用戶名
????????String?passWord?=?““;?//?連接數據庫密碼
????????try?{
????????????conn?=?DriverManager.getConnection(url?userName?passWord);?//?獲取數據庫連接
????????????
????????}?catch?(SQLException?e)?{
????????????e.printStackTrace();
????????}
????????return?conn;?//?返回Connection對象
????}
????
????public?ResultSet?getDept()?{
????????conn?=?getConn();?//?獲取與數據庫的連接
????????ResultSet?rest;
????????try?{
????????????Statement?s

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????289??2013-11-18?14:27??.classpath
?????文件?????????379??2010-09-10?15:23??.project
?????文件?????????629??2010-09-10?15:23??.settings\org.eclipse.jdt.core.prefs
?????文件????????2627??2013-11-21?08:42??bin\FinDept.class
?????文件??????294726??2013-11-18?10:46??lib\jtds-1.2.2.jar
?????文件????????1999??2010-09-10?15:23??src\FinDept.java

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