当前位置:编程问答 > JSP >

jsp留言板源代码4

答案: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


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 ===================================

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,"
");
String tempToken=null;

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

//将/n转换成为回车

public String addBr(String Content){
String makeContent=new String();
StringTokenizer strToken=new StringTokenizer(Content,"
");
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+"
"+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



上一个:连结池详解
下一个:jsp留言板源代码3

CopyRight © 2012 站长网 编程知识问答 www.zzzyk.com All Rights Reserved
部份技术文章来自网络,