一段用Java编写的留言板源代码(二)
三.reply.jsp
====================================
< html >< head >
< META content="text/html; charset=gb2312 " http-equiv=Content-Type >
< title >张家界电话黄页(网上114)< /title >< /head >
< style type="text/css" >
< !--
BODY { FONT-FAMILY: "宋体","Arial Narrow", "Times New Roman"; FONT-SI
ZE: 9pt }
.p1 { FONT-FAMILY: "宋体", "Arial Narrow", "Times New Roman"; FONT-SIZ
E: 12pt }
A:link { COLOR: #00793d; TEXT-DECORATION: none }
A:visited { TEXT-DECORATION: none }
A:hover { TEXT-DECORATION: underline}
TD { FONT-FAMILY: "宋体", "Arial Narrow", "Times New Roman"; FONT-SIZE
: 9pt }
.p2 { FONT-FAMILY: "宋体", "Arial Narrow", "Times New Roman"; FONT-SIZ
E: 9pt; LINE-HEIGHT: 150% }
.p3 { FONT-FAMILY: "宋体", "Arial Narrow", "Times New Roman"; FONT-SIZ
E: 9pt; LINE-HEIGHT: 120% }
-- >
< /style >
< body >
< %@ page contentType="text/html; charset=GB2312" % >
< %@ page language="java" import="java.sql.*" % >
< jsp:useBean id="testInq" scope="page" class="ymbean.opDb" / >
< %
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="< a href=reply.jsp?";
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+"< hr >");
}
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")< 0)
{ 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")< 0)
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")< 0)
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=" < SCRIPT language=JavaScript > "+
" < !-- "+
" function ValidInput() "+
" {if(document.sign.lw_author.value=="") "+
" {alert("请填写您的大名。"); "+
" document.sign.lw_author.focus(); "+
" return false;} "+
" if(document.sign.lw_title.value=="") "+
" {alert("请填写留言主题。"); "+
" document.sign.lw_title.focus(); "+
" return false;} "+
" if (document.sign.author_email.value!="") "+
" { if ((document.sign.author_email.value.indexOf("@")< 0)//(document
.sign.author_email.value.indexOf(":")!=-1)) "+
" {alert("您填写的EMail无效，请填写一个有效的Email!"); "+
" document.sign.author_emaill.focus(); "+
" return false; "+
" } "+
" } "+
" return true; "+
" } "+
" function ValidSearch() "+
" { if(document.frmsearch.findstr.value=="") "+
" {alert("不能搜索空串！"); "+
" document.frmsearch.findstr.focus(); "+
" return false;} "+
" } "+
" //-- > "+
" < /SCRIPT > ";
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")< 0)
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=""+
" < TABLE align=center border=0 cellPadding=0 cellSpacing=
0 width="95%" > "+
" < TBODY > < TR > < TD align=middle bgColor=#97badd width="1
00%" >< FONT color=#ff0000 >"+
"共 "+totalpages+" 页，"+count+"
条. "+" 当前页: "+pages+
" < /FONT >< /TD >< /TR >< /TBODY >< /TABLE >< BR > ";
out.print(st);
//out.print(" 共 "+totalpages+" 页，"+
count+" 条. "+" 当前页: "+pages+"
");
st=" < center > "+
" < TABLE border=0 cellPadding=2 cellSpacing=1 width="95%" > "+
" < TBODY > "+
" < TR > "+
" < TD align=middle bgColor=#6699cc width="55%" >< FONT "+
" color=#ffffff >留言主题< /FONT >< /TD > "+
" < TD align=middle bgColor=#6699cc width=50 >< FONT "+
" color=#ffffff >回应数< /FONT >< /TD > "+
" < TD align=middle bgColor=#6699cc width=40 >< FONT "+
" color=#ffffff >点击数< /FONT >< /TD > "+
" < TD align=middle bgColor=#6699cc width=100 >< FONT "+
" color=#ffffff >作者名< /FONT >< /TD > "+
" < TD align=middle bgColor=#6699cc width=140 >< FONT "+
" color=#ffffff >发表/回应时间< /FONT >< /TD >< /TR > ";
//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< =(pages - 1)*pagesize;i++) rs.next();
//显示第pages页开始
st= " < CENTER > < TABLE border=0 cellSpacing=1 width="95%"
> < TBODY > ";
out.print(st);
String linestr="";
for(i=1;i< =pagesize;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 =""+
" < TR bgColor=#bed9fc > "+
" < TD align=left width="75%" >< FONT "+
" color=#0000cd >留言主题:< /FONT >< STRONG >"
+lw_title+"< /STRONG >< /TD > "+
" < TD align=left width="25%" >< FONT color=
#0000cd >留言时间:< /FONT >"+st+"< /TD >< /TR > "+
" < TR bgColor=#e7f1fe > "+
" < TD colSpan=2 "+
" width="700" wrap=yes >< BR >"+lw_content+"
< BR >
< /TD >< /TR > "+
" < TR bgColor=#bed9fc > "+
" < TD align=right colSpan=2 width="100%" >
< FONT "+
" color=#0000cd >作者:< /FONT >"+lw_author+"
< FONT "+
" color=#0000cd >来源:< /FONT >"+author_ip+"
< /TD >< /TR >";
out.println(linestr);
}
rs.close();
//显示第pages页结束
st= " < /TBODY >< /TABLE >< /CENTER >< /DIV >< BR > "+
" < CENTER >< A "+
" href="guestbook.jsp" >< FONT "+
" color=blue face=楷体_GB2312 size=4 >返回留言板
首页< /FONT >< /A >< /CENTER >< BR > "+
" < HR align=center noShade SIZE=1 width="95%"
> ";
out.print(st);
int iFirst=1,iLast=totalpages,iPre,iNext;
if(pages< =1) iPre=1;
else iPre=pages - 1;
if(pages >=totalpages) iNext=totalpages;
else iNext=pages + 1;
int n=(int)(count/pagesize);
if(n*pagesize< count) n++;
if(n >1)
{
//for(i=1;i< =n;i++) out.print("< a href=inquire.jsp?pages=
"+i+" >"+i+" < /a >");
//out.print("< HR align=center noShade SIZE=1 width="95%
" >");
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="< a href=http://www.zj.hn.cn >"+ lt1 + " < /
a >"+
lurlt + "pages="+iFirst+" >< FONT color=red >"+lt2+"&nbs
p; < /a >"+
lurlt + "pages="+iPre+" >< FONT color=red >"+lt3+"
< /a >" +
lurlt + "pages="+iNext+" >< FONT color=red >"+lt4+"
; < /a >" +
lurlt + "pages="+iLast+" >< FONT color=red >"+lt5+"
; < /a >";
st=""+
" < TABLE align=center border=0 cellPadding=0 cellSpacing=
0 width="95%" > "+
" < TBODY > < TR > < TD align=middle bgColor=#97badd width="1
00%" >< FONT color=#ff0000 >"+
lt6+
" < /FONT >< /TD >< /TR >< /TBODY >< /TABLE >< BR > ";
out.print(st);
}
}
} catch (Exception e) { out.println("error: "+e); }
}
% >
< %
//留言板界面尾部
String lbottom="";
lbottom=lbottom+
" < center > "+
" < FORM action=reply.jsp method=post name=sign > "+
" < INPUT name=lw_class1 type=hidden value=cnzjj_gt > "+
" < INPUT name=lw_class2 type=hidden value="+lw_class2+" > "
+
" < INPUT name=pages type=hidden value=1 > "+
" < INPUT name=zt_time type=hidden value="+zt_time+" > "+
" < INPUT name=zt_author type=hidden value="+zt_author+" > "
+
" < TABLE bgColor=#d5e8fd border=0 cellSpacing=1 width="95%" > "+
" < TBODY > "+
" < TR > "+
" < TD align=middle bgColor=#e6e6fa colSpan=2 noWrap >< STRONG >< FONT
color=blue "+
" face=楷体_GB2312 size=5 >发 表意见< /FONT >< /STRONG > &nbs
p; [加*的内容必须填写] < /TD >< /TR > "+
" < TR > "+
" < TD noWrap width="45%" > "+
" < DIV align=left > "+
" < TABLE bgColor=#d5e8fd border=0 cellSpacing=1 width="100%" >
"+
" < TBODY > "+
" < TR > "+
" < TD noWrap width="100%" >*留言主题：< INPUT maxLength=40 n
ame=lw_title "+
" size=36 >< /TD >< /TR > "+
" < TR > "+
" < TD noWrap width="100%" >*网上大名：< INPUT maxLength=18 n
ame=lw_author "+
" size=36 >< /TD >< /TR > "+
" < TR > "+
" < TD noWrap width="100%" > 主页标题：< INPUT maxLength
=40 name=pagetitle "+
" size=36 >< /TD >< /TR > "+
" < TR > "+
" < TD noWrap width="100%" > 主页地址：< INPUT maxLength
=255 name=author_http "+
" size=36 >< /TD >< /TR > "+
" < TR > "+
" < TD noWrap width="100%" >*电子邮件：< INPUT maxLength=40 n
ame=author_email "+
" size=36 >< /TD >< /TR >< /TBODY >< /TABLE >< /DIV >< /TD > "+
" < TD noWrap vAlign=top width="55%" > "+
" < DIV align=left > "+
" < TABLE bgColor=#b6d7fc border=0 cellSpacing=1 width="100%" >
"+
" < TBODY > "+
" < TR > "+
" < TD width="100%" >请在下面填写你的留言：< /TD >< /TR > "+
" < TR > "+
" < TD width="100%" >< TEXTAREA cols=50 name=lw_content rows=
7 >< /TEXTAREA >< /TD >< /TR >< /TBODY >< /TABLE >< /DIV >< /TD >< /TR > "+
" < TR > "+
" < TD bgColor=#fbf7ea colSpan=2 noWrap >表情 "+
" < INPUT name=gifface type=radio value=1 checked >< IMG "+
" alt="1.gif (152 bytes)" height=15 src="1.gif" width=15 > < I
NPUT "+
" name=gifface type=radio value=2 >< IMG alt="2.gif (174 bytes)"
height=15 "+
" src="2.gif" width=15 > < INPUT name=gifface type=radio value=3
>< IMG "+
" alt="3.gif (147 bytes)" height=15 src="3.gif" width=15 > < I
NPUT "+
" name=gifface type=radio value=4 >< IMG alt="4.gif (172 bytes)"
height=15 "+
" src="4.gif" width=15 > < INPUT name=gifface type=radio value=5
>< IMG "+
" alt="5.gif (118 bytes)" height=15 src="5.gif" width=15 > < I
NPUT "+
" name=gifface type=radio value=6 >< IMG alt="6.gif (180 bytes)"
height=15 "+
" src="6.gif" width=15 > < INPUT name=gifface type=radio value=7
>< IMG "+
" alt="7.gif (180 bytes)" height=15 src="7.gif" width=15 > < I
NPUT "+
" name=gifface type=radio value=8 >< IMG alt="8.gif (96 bytes)"
height=15 "+
" src="8.gif" width=15 > < INPUT name=gifface type=radio value=9
>< IMG "+
" alt="9.gif (162 bytes)" height=15 src="9.gif" width=15 > < I
NPUT "+
" name=gifface type=radio value=10 >< IMG alt="10.gif (113 bytes)
" height=15 "+
" src="10.gif" width=15 > < INPUT name=gifface type=radio value=
11 >< IMG "+
" alt="11.gif (93 bytes)" height=15 src="11.gif" width=15 > <
INPUT "+
" name=gifface type=radio value=12 > < IMG alt="12.gif (149 bytes
)" height=14 "+
" src="12.gif" width=15 > "+
" < INPUT "+
" name=gifface type=radio value=13 > < IMG alt="13.gif (149 bytes
)" height=14 "+
" src="13.gif" width=15 > "+
" < INPUT "+
" name=gifface type=radio value=14 > < IMG alt="14.gif (149 bytes
)" height=14 "+
" src="14.gif" width=15 > "+
" < INPUT "+
" name=gifface type=radio value=15 > < IMG alt="15.gif (149 bytes
)" height=14 "+
" src="15.gif" width=15 > "+
" < INPUT "+
" name=gifface type=radio value=16 > < IMG alt="16.gif (149 bytes
)" height=14 "+
" src="16.gif" width=15 > < /TD > "+
" < /TR > "+
" < TR > "+
" < TD align=middle colSpan=2 noWrap >< INPUT name=cmdGO onclick="re
turn ValidInput()" type=submit value="提交" > "+
" < INPUT name=cmdPrev onclick="return ValidInput()" type=submit valu
e="预览" > "+
" < INPUT name=cmdCancel type=reset value="重写" > < INPU
T name=cmdBack onclick=javascript:history.go(-1) type=button value="返
回" > "+
" < /TD >< /TR >< /TBODY >< /TABLE >< /FORM >< /CENTER >< /DIV > ";
out.print(lbottom);
% >
< /body >< /html >
============================================
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/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
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