jsp留言板源代碼四: 給jsp初學者.
2020-06-01 23:25:59
供稿：網友
作 者: precom (皮蛋)
其中的opDb.java
============================================
package ymbean;
import java.sql.*;
import java.util.*;
import java.text.*;
import com.chinazjj.sql.dsql;
import com.chinazjj.util.dutil;
//其他的包dsql,dutil中的內容我就不再貼了,在本文件中用到的兩個函數都很簡
單
public class opDb {
private String inquire_value="",inquire_item="",disptype="",inqtyp
e="";
private String inquire_num="",inquire_addr="",inquire_name="";
private dutil ldutil=new dutil();
public opDb() {
}
public void setinquire_item(String name) { inquire_item= name
;}
public void setinquire_value( String name ) { inquire_value = ldut
il.chineseToUnicode(name);}
public void setdisptype(String name) { disptype=name;}
public void setinqtype(String name) { inqtype=name;}
public void setinquire_num( String name ) { inquire_num = ldutil.c
hineseToUnicode(name);}
public void setinquire_addr( String name ) { inquire_addr = ldutil
.chineseToUnicode(name);}
public void setinquire_name( String name ) { inquire_name = ldutil
.chineseToUnicode(name);}
public String getinquire_dndata()
{
return "";
}
public ResultSet executeQuery(String sql)
{
ResultSet rs = null;
Statement lstmt = null;
try {
lstmt = connectdb();
rs = lstmt.executeQuery(sql);
System.out.println("executeQuery: "+sql);
} catch(SQLException ex) { System.err.println("executeQuery: " +
ex.getMessage());}
return rs;
}
public Statement getStmt()
{
Statement lstmt = null;
lstmt = connectdb();
return lstmt;
}
public String executeUpdate(String sql)
{
ResultSet rs = null;
Statement lstmt = null;
try {
lstmt = connectdb();
lstmt.executeUpdate(sql);
System.out.println("executeUpdate: "+sql);
lstmt.executeUpdate("commit");
}
catch(SQLException ex) { System.err.println("executeQuery: " + e
x.getMessage());
return(ex.getMessage());
}
return("executeUpdate ok");
}
public Statement connectdb()
{
Statement lstmt=null;
Connection conn=null;
final String connect_string="jdbc:oracle:thin:scott/tiger@192.168.
0.1:1521:clubdb";
final String driver_string="oracle.jdbc.driver.OracleDriver";
dsql mysql=new dsql();
lstmt=mysql.dconnectdb(driver_string,connect_string);
return lstmt;
}
public Statement connectdb(String connect_string)
{
Statement lstmt=null;
Connection conn=null;
final String driver_string="oracle.jdbc.driver.OracleDriver";
dsql mysql=new dsql();
lstmt=mysql.dconnectdb(driver_string,connect_string);
return lstmt;
}
//=========other function ===================================
