Jsp message board source code 4

OpDb. java
========================================================== ====
Package ymbean;
Import java. SQL .*;
Import java. util .*;
Import java. text .*;
Import com. chinazjj. SQL. dsql;
Import com. chinazjj. util. dutil;
// I will not post the content in other packages dsql and dutil. The two functions used in this file are very simple.
Single
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.exe cuteQuery (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 ();