📄 updata.java
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package Updata;
import java.sql.*;
public class Updata{
private static String driverName;
private String dbURL ;
private String userName ;
private String userPwd;
private Connection dbConn;
private ResultSet result;
private Statement sql;
public void getConnect(){ //构造函数
dbURL = "jdbc:odbc:student"; //university为数据源
driverName = "sun.jdbc.odbc.JdbcOdbcDriver"; //设置驱动程序
userName = "";
userPwd = "";
result=null;
try{
Class.forName(driverName);
dbConn = DriverManager.getConnection(dbURL, userName, userPwd);
sql = dbConn.createStatement();
//return sql;
}
catch(Exception e) {
e.printStackTrace();
//return null;
}
}
public ResultSet getResult(String tableName){ //查找表名为的信息,该表的列数不清为numOfColumn
try{
String query = "select * from ";
query=query+tableName;
result = sql.executeQuery(query);
return result;
}
catch(Exception e) {
e.printStackTrace();
return null;
}
}
public Statement getSql(){
return sql;
}
}
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