jsp留言板源代码四: 给jsp初学者_MySQL

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中的内容我就不再贴了,在本文件中用到的两个函数都很简


单
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)
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 ===================================

public String getCurrentDate(String ldateform)
{
return(new SimpleDateFormat(ldateform).format(new java.util.Date(

)));
}

//========"/n" to "
" =====================================
//去掉奇怪的：
public String removeComment(String Content){
String makeContent=new String();
StringTokenizer strToken=new StringTokenizer(Content,"\n");
String tempToken=null;

while(strToken.hasMoreTokens()){
tempToken=strToken.nextToken();
if(tempToken.indexOf(":")!=0)
makeContent=makeContent+tempToken+"\n";
}
return makeContent;
}

//将/n转换成为回车

public String addBr(String Content){
String makeContent=new String();
StringTokenizer strToken=new StringTokenizer(Content,"\n");
while(strToken.hasMoreTokens()){
makeContent=makeContent+"
"+strToken.nextToken();
}
return makeContent;
}

//将
转换成为回车/n
public String addCr(String Content){
String makeContent=new String();
StringTokenizer strToken=new StringTokenizer(Content,"
");
while(strToken.hasMoreTokens()){
makeContent=makeContent+"\n"+strToken.nextToken();
}
return makeContent;
}


//====================================================================

=====
public boolean getIdentify(String name1,String pwd1)
{
try
{
String sql="select * from club_users where username='" + name1 + "'

and password='" + pwd1 + "'";
ResultSet rs = executeQuery(sql);
if(rs.next()) { rs.close(); return(true);}
else { rs.close();return(false);}
}catch (Exception e) { return(false);}
}

public void counts(String pagename)
{
executeUpdate("update call_count set counts=counts + 1 where pagenam

e='"+pagename+"'");

}

//==================张家界市民虚拟社区管理============================

======
public String getDeptSuper(String vp) //取版主
{
String vst="未知";
try{
String sql="select administrator from club_cvcdept where deptno=

'"+vp+"'";
ResultSet rs = executeQuery(sql);
if(rs.next()) vst=rs.getString(1);
rs.close();
} catch (Exception e) {}
return vst;
}
public String getDeptName(String vp) //取版名
{
String vst="未知";
try{
String sql="select deptnote from club_cvcdept where deptno='"+vp

+"'";
ResultSet rs = executeQuery(sql);
if(rs.next()) vst=rs.getString(1);
rs.close();
} catch (Exception e) {}
return vst;
}

public String getUserEmail(String vp) //取社区用户email
{
String vst="未知";
try{
String sql="select email from club_users where username='"+vp+"'

";
ResultSet rs = executeQuery(sql);
if(rs.next()) vst=rs.getString(1);
rs.close();
} catch (Exception e) {}
return vst;
}

public Object getaValue(String vp) //取社区用户email及其他
{
Object vst=null;
try{
String sql=vp;
ResultSet rs = executeQuery(sql);
if(rs.next()) vst=rs.getObject(1);
rs.close();
} catch (Exception e) {}
return vst;
}

public String getsValue(String vp) //取社区用户email及其他
{
String vst="";
try{
String sql=vp;
ResultSet rs = executeQuery(sql);
if(rs.next()) vst=rs.getString(1);
rs.close();
} catch (Exception e) {}
return vst;
}


}//end opDb.java