jsp留言板(给初学者)
jsp留言板源代码一: 给jsp初学者.
http://www.doozz.com 2000-12-18 00:00 T|T
jsp留言板源代码一: 给jsp初学者.
作 者: precom (皮蛋)
oracle数据表创建.
create table guestbook (
lw_title varchar2(100) not null, --留言主题
lw_author varchar2(20) not null, --网上大名 pk
author_http varchar2(40) , --主页地址
author_email varchar2(40) not null,--电子信箱 pk
expression varchar2(2) not null,--表情
lw_time varchar2(14) not null,--发表回应时间
answer_num number(3) not null,--回应数
click_num number(4) not null,--点击数
author_ip varchar2(16) ,--来源ip
lw_class1 varchar2(10) not null,--留言板大类 pk
lw_class2 varchar2(20) not null,--论坛栏目 pk
lw_type varchar2(1) not null,--留言类别,即是否为主贴
zt_time varchar2(14) ,--主贴时间
zt_author varchar2(40) ,--主贴email
lw_content varchar2(4000) ,--内容
constraint pk_guestbook primary key(lw_class1,lw_class2,lw
_time,lw_author)
) storage (initial 5M next 5M pctincrease 1);
本文来自: 站长之家(http://www.doozz.com) 详细
jsp留言板源代码二: 给jsp初学者.
http://www.doozz.com 2000-12-18 00:00 T|T
作 者: precom (皮蛋) 2000.12.10
guestbook.jsp
===========================
张家界电话黄页(网上114)
int pages=1;
int pagesize=10;
int count=0;
int totalpages=0;
String countsql="",inqsql="",lwhere="",insertsql="",st="";
String lw_title="",lw_author="",pagetitle="",author_http="",author_email="",lw_ico="", lw_content="",lw_class1="";
String author_ip="",lw_time="",lw_class2="",lw_type="",zt_time="",zt_author=""; int answer_num=0,click_num=0;
int inquire_item=1;
String inquire_itemt="",inquire_value="";
String lurlt="
lwhere=" where lw_type='z' "; //只显示主贴
/*
Enumeration e = request.getParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
*/
try{
//取显示的页页序数
pages = new Integer(request.getParameter("pages")).intValue();
} catch (Exception e) {}
try{
//取查询参数
inquire_item=new Integer(request.getParameter("range")).intValu
e();
inquire_value=new String(request.getParameter("findstr").getByt
es("ISO8859_1"));
if(inquire_item==0) inquire_itemt="lw_title";
else if(inquire_item==1) inquire_itemt="lw_content";
else if(inquire_item==2) inquire_itemt="lw_author";
else if(inquire_item==3) inquire_itemt="lw_time";
else if(inquire_item==4) inquire_itemt="lw_title";
lwhere=lwhere+" and "+inquire_itemt+" like '%"+inquire_value+"% '";
lurlt=lurlt+"range="+inquire_item+"&findstr="+inquire_value+"&" ;
} catch (Exception e) {}
try{
//取得参数 留言内容
lw_class1=new String(request.getParameter("gbname").getBytes("ISO885 9_1"));
lw_title=new String(request.getParameter("lw_title").getBytes("ISO88 59_1"));
lw_author=new String(request.getParameter("lw_author").getBytes("ISO 8859_1"));
pagetitle=new String(request.getParameter("pagetitle").getBytes("ISO 8859_1"));
author_http=new String(request.getParameter("author_http").getBytes( "ISO8859_1"));
author_email=new String(request.getParameter("author_email").getByte s("ISO8859_1"));
lw_ico=request.getParameter("gifface");
lw_content=new String(request.getParameter("lw_content").getBytes("I SO8859_1"));
String requestMethod=request.getMethod();
requestMethod=requestMethod.toUpperCase();
if(requestMethod.indexOf("POST")
{ out.print("非法操作!");
return;
}
//形成其他数据项
author_ip=request.getRemoteAddr() ;
lw_time=testInq.getCurrentDate("yyyyMMddHHmmss");
lw_class2="2";
lw_type=""+"z"; //主贴
zt_time=lw_time;
zt_author=lw_author;
answer_num=0;
click_num=0;
//================
st="','";
//保证留言所有数据项的长度在正常范围内
if(lw_title.length()>50) lw_title=lw_title.substring(0,50);
if(lw_author.length()>20) lw_author=lw_author.substring(0,20);
if(author_http.length()>40) author_http=author_http.substring(0,40);
if(author_email.length()>50) author_email=author_email.substring(0,4 0);
if(lw_content.length()>4000) lw_content=lw_content.substring(0,4000) ;
insertsql="insert into guestbook values('"+lw_title+st+lw_author+st+ author_http+st+
author_email+st+lw_ico+st+lw_time+"',"+answer_num+","+cli
ck_num+",'"+
author_ip+st+lw_class1+st+lw_class2+st+lw_type+st+zt_time
+st+zt_author+st+
lw_content+"')";
//out.print(insertsql);
//插入留言
try{
String lmsg=testInq.executeUpdate(insertsql);
if(lmsg.indexOf("executeUpdate ok")
out.print("lmsg="+lmsg);
}catch (Exception e) { out.print("错误:"+e);}
} catch (Exception e) {}
%>
//验证留言输入项合法性的javascript
String ljs=" ";
out.print(ljs);
%>
//留言板界面首部
String ltop="
\n"+
" \n"+
" \n"+ " \n"+
"
\n"+ " \n"+
"
\n"+
"
\n"+
"
" size=5>欢迎远方的朋友来张家界旅游观光
\n" +
"
\n"+
"
主页:
" href=\"http://www.zj.hn.cn\" target=_blank>
" color=#ffffff>张家界旅游 管理员:
+
" href=\"mailto:[email protected]\"> 一民 \n"+
" >>
" href=\"http://www.zj.hn.cn \">
" color=#ffffff>管理 >>
" href=\" http://www.zj.hn.cn \">
" color=#ffffff>申请
\n"+
"
\n"+
"
\n"+
"
\n"+
"
";
out.print(ltop);
%>
//显示最近时间发表的一页留言
countsql="select count(lw_title) from guestbook "+lwhere;
inqsql ="select lw_title,answer_num,click_num,lw_author,lw_time,expres sion,"+
" author_email,lw_class1,lw_class2 from guestbook "+lwhere+" o
rder by lw_time desc" ;
if(pages>0)
{
try {
try{
ResultSet rcount=testInq.executeQuery(countsql);
if(rcount.next())
{
count = rcount.getInt(1);
}
rcount.close();
} catch (Exception el1) { out.println("count record error
: "+el1+"" );
out.println(countsql);
}
totalpages=(int)(count/pagesize);
if(count>totalpages*pagesize) totalpages++;
st=""+
"
0 width=\"95%\"> "+
"
"+
" 共 "+totalpages+" 页，"+count+"
条. "+" 当前页: "+pages+
"
";
out.print(st);
//out.print(" 共 "+totalpages+" 页，"+
count+" 条. "+" 当前页: "+pages+"");
st=" "+
"
"+ " "+
"
"+
"
" color=#ffffff>留言主题
"+
"
" color=#ffffff>回应数
"+
"
" color=#ffffff>点击数
"+
"
" color=#ffffff>作者名
"+
"
" color=#ffffff>发表/回应时间
";
out.print(st);
if(count > 0 )
{
ResultSet rs = testInq.executeQuery(inqsql);
ResultSetMetaData metaData = rs.getMetaData();
int i;
// 跳过pages -1 页,使cursor指向pages并准备显示
for(i=1;i
//显示第pages页开始
String linestr="";
for(i=1;i
if(rs.next())
{
lw_title=rs.getString("lw_title");
answer_num=rs.getInt("answer_num");
click_num=rs.getInt("click_num");
lw_author=rs.getString("lw_author");
lw_time=rs.getString("lw_time");
st=lw_time.substring(0,4)+"-"+lw_time.substring(4,6)+"-"
+lw_time.substring(6,8)+":"+
lw_time.substring(8,10)+":"+lw_time.substring(10,12)+
":"+lw_time.substring(12,14);
lw_ico=rs.getString("expression");
author_email=rs.getString("author_email");
lw_class1=rs.getString("lw_class1");
lw_class2=rs.getString("lw_class2");
llink="reply.jsp?lw_class1="+lw_class1+"&lw_class2="+lw_
class2+"&zt_time="+lw_time+
"&zt_author="+author_email;
linestr="
\n" +
"
">
" href=\""+llink+" \">"+lw_title+"
"+
"
["+answer_num+"]
"+
"
"+click_num+"
"+
"
il+"\">"+lw_author+"
"+
"
"+st+"
";
out.println(linestr);
}
rs.close();
//显示第pages页结束
st="
";
out.print(st);
int iFirst=1,iLast=totalpages,iPre,iNext;
if(pages
else iPre=pages - 1;
if(pages>=totalpages) iNext=totalpages;
else iNext=pages + 1;
int n=(int)(count/pagesize);
if(n*pagesize
if(n>1)
{
//for(i=1;i
"+i+">"+i+" ");
//out.print("
">");
String lt1="返回主页",lt2="第一页",lt3="上一页",lt4="下一
页",lt5="最后一页",lt6="";
lt6=""+ lt1 + "
a>"+
lurlt + "pages="+iFirst+">"+lt2+"&nbs
p; "+
lurlt + "pages="+iPre+">"+lt3+"
" +
lurlt + "pages="+iNext+">"+lt4+"
; " +
lurlt + "pages="+iLast+">"+lt5+"
; ";
st=""+
"
0 width=\"95%\"> "+
"
"+
lt6+
"
";
out.print(st);
}
}
} catch (Exception e) { out.println("error: "+e); }
}
%>
//留言板界面尾部
String lbottom="";
lbottom=lbottom+
" \n"+
" \n"+
" \n"+
" \n"+
"
\n"+
" \n"+
"
\n"+
"
" face=楷体_GB2312 size=5>发 表 意 见 &nbs p; [加*的内容必须填写]
\n"+
"
\n"+
"
\n"+
"
\n"+
"
\n"+
" \n"+
"
\n"+
"
*留言主题：
" size=36>
\n"+
"
\n"+
"
*网上大名：
" size=36>
\n"+
"
\n"+
"
主页标题：
=40 name=pagetitle \n"+
" size=36>
\n"+
"
\n"+
"
主页地址：
=255 name=author_http \n"+
" size=36>
\n"+
"
\n"+
"
*电子邮件：
" size=36>
\n"+
"
\n"+
"
\n"+
"
\n"+
" \n"+
"
\n"+
"
请在下面填写你的留言：
\n"+
"
\n"+
"
\n"+ "
\n"+
"
表情\n"+
"
" alt=\"1.gif (152 bytes)\" height=15 src=\"1.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=2>[\"2.gif]
height=15 \n"+
" src=\"2.gif\" width=15>
>
" alt=\"3.gif (147 bytes)\" height=15 src=\"3.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=4>[\"4.gif]
height=15 \n"+
" src=\"4.gif\" width=15>
>
" alt=\"5.gif (118 bytes)\" height=15 src=\"5.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=6>[\"6.gif]
height=15 \n"+
" src=\"6.gif\" width=15>
>
" alt=\"7.gif (180 bytes)\" height=15 src=\"7.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=8>[\"8.gif]
height=15 \n"+
" src=\"8.gif\" width=15>
>
" alt=\"9.gif (162 bytes)\" height=15 src=\"9.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=10>[\"10.gif]
\" height=15 \n"+
" src=\"10.gif\" width=15>
11>
" alt=\"11.gif (93 bytes)\" height=15 src=\"11.gif\" width=15>
INPUT \n"+
" name=gifface type=radio value=12> [\"12.gif]
)\" height=14 \n"+
" src=\"12.gif\" width=15> \n"+
"
" name=gifface type=radio value=13> [\"13.gif]
)\" height=14 \n"+
" src=\"13.gif\" width=15> \n"+
"
" name=gifface type=radio value=14> [\"14.gif]
)\" height=14 \n"+
" src=\"14.gif\" width=15> \n"+
"
" name=gifface type=radio value=15> [\"15.gif]
)\" height=14 \n"+
" src=\"15.gif\" width=15> \n"+
"
" name=gifface type=radio value=16> [\"16.gif]
)\" height=14 \n"+
" src=\"16.gif\" width=15>
\n"+
"
\n"+
"
\n"+
"
\n"+
" \n"+
"
T name=cmdBack onclick=javascript:history.go(-1) type=button value=\"返 回\"> \n"+
"
"; out.print(lbottom);
%>
本文来自: 站长之家(http://www.doozz.com) 详细出
jsp留言板源代码三: 给jsp初学者. 处参考：
http://www.doozz.com 2000-12-18 00:00 T|T
作 者: precom (皮蛋) 2000.12.10
reply.jsp
====================================
张家界电话黄页(网上114)
int pages=1;
int pagesize=10;
int count=0;
int totalpages=0;
String countsql="",inqsql="",updatesql="",lwhere="",insertsql="",st=
"";
String lw_title="",lw_author="",pagetitle="",author_http="",author_e
mail="",lw_ico="0",
lw_content="",lw_class1="";
String author_ip="",lw_time="",lw_class2="",lw_type="",zt_time="",zt _author="";
int answer_num=0,click_num=0;
int inquire_item=1;
String inquire_itemt="",inquire_value="";
String lurlt="
lwhere=" where "; //只显示主贴
/*
Enumeration e = request.getParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
*/
try{
//取显示的页页序数
pages = new Integer(request.getParameter("pages")).intValue(); } catch (Exception e) {}
try{
//取查询参数
lw_class1=new String(request.getParameter("lw_class1").getBytes ("ISO8859_1"));
lw_class2=new String(request.getParameter("lw_class2").getBytes ("ISO8859_1"));
zt_time=new String(request.getParameter("zt_time").getBytes("IS O8859_1"));
zt_author=new String(request.getParameter("zt_author").getBytes ("ISO8859_1"));
lwhere=" where ( lw_class1='"+lw_class1+"' and lw_class2='"+lw_ class2+
"' and (lw_time='"+ zt_time+"' or zt_time='"+zt_time+
"') and (author_email='"+zt_author+"' or zt_author='"+zt
_author+"') ) ";
lurlt=lurlt+"lw_class1="+lw_class1+"&lw_class2="+lw_class2+"&zt _time="+zt_time+
"&zt_author="+zt_author+"&";
//out.print(lwhere);
} catch (Exception e) { //out.print("error1: "+e+"
");
}
try{
//取得参数 留言内容
lw_class1=new String(request.getParameter("lw_class1").getBytes("ISO 8859_1"));
lw_class2=new String(request.getParameter("lw_class2").getBytes("ISO 8859_1"));
lw_title=new String(request.getParameter("lw_title").getBytes("ISO88 59_1"));
lw_author=new String(request.getParameter("lw_author").getBytes("ISO 8859_1"));
pagetitle=new String(request.getParameter("pagetitle").getBytes("ISO 8859_1"));
author_http=new String(request.getParameter("author_http").getBytes( "ISO8859_1"));
author_email=new String(request.getParameter("author_email").getByte s("ISO8859_1"));
zt_time=new String(request.getParameter("zt_time").getBytes("ISO8859 _1"));
zt_author=new String(request.getParameter("zt_author").getBytes("ISO 8859_1"));
lw_ico=request.getParameter("gifface");
} catch (Exception e) {}
try{
lw_content=new String(request.getParameter("lw_content").getBytes("I SO8859_1"));
String requestMethod=request.getMethod();
requestMethod=requestMethod.toUpperCase();
if(requestMethod.indexOf("POST")
{ out.print("非法操作!");
return;
}
//形成其他数据项
author_ip=request.getRemoteAddr() ;
lw_time=testInq.getCurrentDate("yyyyMMddHHmmss");
lw_type=""+"c"; //从贴
answer_num=0;
click_num=0;
//================
st="','";
//保证留言所有数据项的长度在正常范围内
if(lw_title.length()>50) lw_title=lw_title.substring(0,50);
if(lw_author.length()>20) lw_author=lw_author.substring(0,20);
if(author_http.length()>40) author_http=author_http.substring(0,40);
if(author_email.length()>50) author_email=author_email.substring(0,4 0);
if(zt_author.length()>50) zt_author=zt_author.substring(0,40);
if(lw_content.length()>4000) lw_content=lw_content.substring(0,4000) ;
insertsql="insert into guestbook values('"+lw_title+st+lw_author+st+ author_http+st+
author_email+st+lw_ico+st+lw_time+"',"+answer_num+","+cli ck_num+",'"+
author_ip+st+lw_class1+st+lw_class2+st+lw_type+st+zt_time +st+zt_author+st+
lw_content+"')";
//out.print(insertsql);
//插入留言
try{
st=testInq.executeUpdate(insertsql);
if(st.indexOf("executeUpdate ok")
out.print("msg="+st);
else
{
updatesql="update guestbook set answer_num=answer_num + 1 "+l where;
//增加回复人数统计
try{
st=testInq.executeUpdate(updatesql);
if(st.indexOf("executeUpdate ok")
out.print("msg="+st);
}catch (Exception e) { }
}
}catch (Exception e) { out.print("留言出错:"+e);}
} catch (Exception e) {}
%>
//验证留言输入项合法性的javascript
String ljs=" ";
out.print(ljs);
%>
//显示最近时间发表的一页留言
countsql="select count(lw_title) from guestbook "+lwhere;
inqsql ="select lw_title,lw_author,lw_time,lw_content,author_ip, "+ " author_email from guestbook "+lwhere+" order by lw_time desc " ;
updatesql="update guestbook set click_num=click_num + 1 "+lwhere;
//增加浏览人数统计
try{
st=testInq.executeUpdate(updatesql);
if(st.indexOf("executeUpdate ok")
out.print("msg="+st);
}catch (Exception e) { }
//out.print(inqsql);
if(pages>0)
{
try {
try{
ResultSet rcount=testInq.executeQuery(countsql);
if(rcount.next())
{
count = rcount.getInt(1);
}
rcount.close();
} catch (Exception el1) { out.println("count record error
: "+el1+"" );
out.println(countsql);
}
totalpages=(int)(count/pagesize);
if(count>totalpages*pagesize) totalpages++;
st=""+
"
"+
"
"+
" 共 "+totalpages+" 页，"+count+"
条. "+" 当前页: "+pages+
"
";
out.print(st);
//out.print(" 共 "+totalpages+" 页，"+
count+" 条. "+" 当前页: "+pages+"");
st=" "+
"
"+ " "+
"
"+
"
留言主题
"+
"
回应数
"+
"
点击数
"+
"
作者名
"+
"
发表/回应时间
";
//out.print(st);
if(count > 0 )
{
ResultSet rs = testInq.executeQuery(inqsql);
ResultSetMetaData metaData = rs.getMetaData();
int i;
// 跳过pages -1 页,使cursor指向pages并准备显示
for(i=1;i
//显示第pages页开始
st= "
";
out.print(st);
String linestr="";
for(i=1;i
if(rs.next())
{
lw_title=rs.getString("lw_title");
lw_author=rs.getString("lw_author");
lw_time=rs.getString("lw_time");
lw_content=rs.getString("lw_content");
author_ip=rs.getString("author_ip");
author_email=rs.getString("author_email");
st=lw_time.substring(0,4)+"-"+lw_time.substring(4,6)+"-" +lw_time.substring(6,8)+":"+
lw_time.substring(8,10)+":"+lw_time.substring(10,12)+ ":"+lw_time.substring(12,14);
try{lw_content=testInq.addBr(testInq.removeComment(lw_co ntent));} catch (Exception e) {}
linestr =""+
"
"+
"
" color=#0000cd>留言主题:"
+lw_title+"
"+
"
#0000cd>留言时间:"+st+"
"+
"
"+
"
" width=\"700\" wrap=yes>"+lw_content+"
"+
"
"+
"
" color=#0000cd>作者:"+lw_author+"
" color=#0000cd>来源:"+author_ip+"
";
out.println(linestr);
}
rs.close();
//显示第pages页结束
st= "
"+
"
" href=\"guestbook.jsp\">
" color=blue face=楷体_GB2312 size=4>返回留言板 首页 "+
"
";
out.print(st);
int iFirst=1,iLast=totalpages,iPre,iNext;
if(pages
else iPre=pages - 1;
if(pages>=totalpages) iNext=totalpages;
else iNext=pages + 1;
int n=(int)(count/pagesize);
if(n*pagesize
if(n>1)
{
//for(i=1;i"+i+" ");
//out.print("
");
String lt1="返回主页",lt2="第一页",lt3="上一页",lt4="下一 页",lt5="最后一页",lt6="";
lt6=""+ lt1 + "
a>"+
lurlt + "pages="+iFirst+">"+lt2+"&nbs p; "+
lurlt + "pages="+iPre+">"+lt3+" " +
lurlt + "pages="+iNext+">"+lt4+"
; " +
lurlt + "pages="+iLast+">"+lt5+"
; ";
st=""+
"
0 width=\"95%\"> "+
"
00%\">"+
lt6+
"
";
out.print(st);
}
}
} catch (Exception e) { out.println("error: "+e); }
}
%>
//留言板界面尾部
String lbottom="";
lbottom=lbottom+
" \n"+
" \n"+
" \n"+
" \n"
+
" \n"+
" \n"+
" \n"
+
"
\n"+
" \n"+
"
\n"+
"
color=blue \n"+
" face=楷体_GB2312 size=5>发 表 意 见 &nbs
p; [加*的内容必须填写]
\n"+
"
\n"+
"
\n"+
"
\n"+
"
\n"+
" \n"+
"
\n"+
"
*留言主题：
ame=lw_title \n"+
" size=36>
\n"+
"
\n"+
"
*网上大名：
ame=lw_author \n"+
" size=36>
\n"+
"
\n"+
"
主页标题：
=40 name=pagetitle \n"+
" size=36>
\n"+
"
\n"+
"
主页地址：
=255 name=author_http \n"+
" size=36>
\n"+
"
\n"+
"
*电子邮件：
ame=author_email \n"+
" size=36>
\n"+
"
\n"+
"
\n"+
"
\n"+
" \n"+
"
\n"+
"
请在下面填写你的留言：
\n"+
"
\n"+
"
\n"+
"
\n"+
"
表情\n"+
"
" alt=\"1.gif (152 bytes)\" height=15 src=\"1.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=2>[\"2.gif]
height=15 \n"+
" src=\"2.gif\" width=15>
>
" alt=\"3.gif (147 bytes)\" height=15 src=\"3.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=4>[\"4.gif]
height=15 \n"+
" src=\"4.gif\" width=15>
>
" alt=\"5.gif (118 bytes)\" height=15 src=\"5.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=6>[\"6.gif]
height=15 \n"+
" src=\"6.gif\" width=15>
>
" alt=\"7.gif (180 bytes)\" height=15 src=\"7.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=8>[\"8.gif]
height=15 \n"+
" src=\"8.gif\" width=15>
>
" alt=\"9.gif (162 bytes)\" height=15 src=\"9.gif\" width=15>
NPUT \n"+
" name=gifface type=radio value=10>[\"10.gif]
\" height=15 \n"+
" src=\"10.gif\" width=15>
11>
" alt=\"11.gif (93 bytes)\" height=15 src=\"11.gif\" width=15>
INPUT \n"+
" name=gifface type=radio value=12> [\"12.gif]
)\" height=14 \n"+
" src=\"12.gif\" width=15> \n"+
"
" name=gifface type=radio value=13> [\"13.gif]
)\" height=14 \n"+
" src=\"13.gif\" width=15> \n"+
"
" name=gifface type=radio value=14> [\"14.gif]
)\" height=14 \n"+
" src=\"14.gif\" width=15> \n"+
"
" name=gifface type=radio value=15> [\"15.gif]
)\" height=14 \n"+
" src=\"15.gif\" width=15> \n"+
"
" name=gifface type=radio value=16> [\"16.gif]
)\" height=14 \n"+
" src=\"16.gif\" width=15>
\n"+
"
\n"+
"
\n"+
"
turn ValidInput()\" type=submit value=\"提 交\"> \n"+
"
e=\"预 览\"> \n"+
"
T name=cmdBack onclick=javascript:history.go(-1) type=button value=\"返
回\"> \n"+
"
";
out.print(lbottom);
%>
本文来自: 站长之家(http://www.doozz.com) 详细出处参考
jsp留言板源代码四: 给jsp初学者.
http://www.doozz.com 2000-12-18 00:00 T|T
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)
{
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/[email protected].
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,"\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=
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) {}
}
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
本文来自: 站长之家(http://www.doozz.com) http://www.doozz.com/View/30/30010403/5550.html 详细出处参考：