IDC资讯中心
在无组件上传我刚试成功，所以提供代码给大家一起共享。
/* addemployee.asp */
<html>
<head>
<title>职工之家</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="../css/site_css.css" type="text/css">
</head>
<script language="javascript">
<!–
//选择分类
///////////////////////////////////////////////////////////////////////
function selectsort(txtsubject){
var returnvalue
returnvalue=window.showmodaldialog("selmode.htm",null,"center:1;status:0;help:0;resized:0;dialogheight:300px;dialogwidth:206px");
if (returnvalue!="" && returnvalue!=null){
txtsubject.value=returnvalue
}
}
///////////////////////////////////////////////////////////////////////
//合法性检查
function isok(thisform){
var strtemp,strvalue,strlen,strexname
if(thisform.txttitle.value==""){
alert("提示：标题不能为空，请正确输入")
thisform.txttitle.focus()
return false
}
if(thisform.txtsort.value==""){
alert("提示：请正确选择分类")
thisform.txtsort.focus()
return false
}
/*检查图片类型*/
if(thisform.file.value!=""){
strtemp=thisform.file.value
strvalue=strtemp.tolowercase()
strlen=strtemp.length
strexname=strvalue.substring(strlen-4,strlen)
if (strexname!=".jpg" && strexname!=".gif"){
alert("请选择jpg或者gif文件！")
return false
}
return true
}
}
//–>
</script>
<body bgcolor="#ffffff" text="#000000" leftmargin="1" topmargin="1">
<form name="form1" method="post" action="transact1.asp" enctype="multipart/form-data">
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td colspan="2" bgcolor="#006699" height="15"> </td>
</tr>
<tr>
<td class="textblack">
<div align="right">标题：</div>
</td>
<td>
<input type="text" name="txttitle" size="52" class="textarea">
</td>
</tr>
<tr>
<td class="textblack">
<div align="right">分类：</div>
</td>
<td>
<input type="text" name="txtsort" size="35" class="textarea">
<input type="button" name="submit2" class="buttonskid" onclick="selectsort(txtsort);">
</td>
</tr>
<tr>
<td class="textblack" valign="top">
<div align="right">正文：</div>
</td>
<td>
<textarea name="txtcontent" rows="15" cols="50" class="textarea"></textarea>
</td>
</tr>
<tr>
<td height="14" class="textblack" valign="top">
<div align="right">图片：</div>
</td>
<td height="14" class="textblack">
<div align="left">
<input type="file" name="file" size="35" class="textarea">
</div>
</td>
</tr>
<tr>
<td height="42" class="textblack" valign="top"> </td>
<td height="42" class="textblack" valign="middle">
<p>1、您上传的图片大小请控制在<font color="#ff0000"><b>500k</b></font>以内,否则不允许上传<br>
2、你上传的图片必须为<font color="#ff0000"><b>150*130象素</b></font><br>
3、上传上传图片的格式为jpg或者gif</p>
</td>
</tr>
<tr>
<td height="39" class="textblack"> </td>
<td height="39" valign="middle">
<div align="center"><img src="../images/save.gif" width="85" height="19" onclick="if(isok(form1)){form1.submit()}">
<img src="../images/close.gif" width="85" height="19" onclick="self.close();" ></div>
</td>
</tr>
</table>
</form>
</body>
</html>
*************************************************************************
/* transact1.asp*/
<!–#include file="../func/conn.inc"–>
<!–#include file="../func/fupload.inc"–>
<!–#include file ="../func/myfunctions.inc"–>
<%
if request.servervariables("request_method") = "post" then
dim fields
dim strtitle,strsort,strcontent
dim rs,ssql
dim imaxid
dim strmaxid
dim strlen
set fields = getupload()
strtitle=binarytostring(fields("txttitle").value)
strsort=binarytostring(fields("txtsort").value)
strcontent=binarytostring(fields("txtcontent").value)
strsort=split(trim(strsort),"-")
if instr(1,lcase(fields("file").filename),".jpg")=0 and instr(1,lcase(fields("file").filename),".gif")=0 then
response.write "<script language=javascript>alert(上传的图片必须是gif或者jpg格式的图片)</script>"
response.write "<script language=javascript>window.location=addemployee.asp;</script>"
response.end
end if
if fields("file").length>500000 then
response.write "<script language=javascript>alert(只允许不大于500k的图片上传);</script>"
response.write "<script language=javascript>window.location=addemployee.asp;</script>"
response.end
end if
/*存至数据库*/
if fields("file").filename<>"" then
set rs=server.createobject("adodb.recordset")
ssql="select * from employee order by id desc"
rs.open ssql,conn,2,2
if not rs.eof then
imaxid=clng(rs("id"))+1
strlen=4-len(cstr(imaxid))
strmaxid=string(strlen,"0") & cstr(imaxid)
else
strmaxid="0001"
end if
rs.addnew
rs("id")=strmaxid
rs("title")=strtitle
rs("sort")=strsort(0)
rs("img").appendchunk fields("file").value
rs("content")=quotechg(strcontent)
rs("todate")=date()
rs.update
rs.close
response.write "<script language=javascript>alert(添加记录成功)</script>"
end if
end if
%>
**********************************************************************
/*fupload.inc*/
<script runat=server language=vbscript>
dim uploadsizelimit
********************************** getupload **********************************
.name name of the form field (<input name="…" type="file,…">)
.contentdisposition = content-disposition of the form field
.filename = source file name for <input type=file>
.contenttype = content-type for <input type=file>
.value = binary value of the source field.
.length = len of the binary data field
function getupload()
dim result
set result = nothing
if request.servervariables("request_method") = "post" then request method must be "post"
dim ct, posb, boundary, length, pose
ct = request.servervariables("http_content_type") reads content-type header
response.write ct
application/x-www-form-urlencoded
if lcase(left(ct, 19)) = "multipart/form-data" then content-type header must be "multipart/form-data"
this is upload request.
get the boundary and length from content-type header
posb = instr(lcase(ct), "boundary=") finds boundary
if posb > 0 then boundary = mid(ct, posb + 9) separetes boundary
length = clng(request.servervariables("http_content_length")) get content-length header
if "" & uploadsizelimit<>"" then
uploadsizelimit = clng(uploadsizelimit)
if length > uploadsizelimit then
on error resume next clears the input buffer
response.addheader "connection", "close"
on error goto 0
request.binaryread(length)
err.raise 2, "getupload", "upload size " & formatnumber(length,0) & "b exceeds limit of " & formatnumber(uploadsizelimit,0) & "b"
exit function
end if
end if
if length > 0 and boundary <> "" then are there required informations about upload ?
boundary = "–" & boundary
dim head, binary
binary = request.binaryread(length) reads binary data from client
retrieves the upload fields from binary data
set result = separatefields(binary, boundary)
binary = empty clear variables
else
err.raise 10, "getupload", "zero length request ."
end if
else
err.raise 11, "getupload", "no file sent."
end if
else
err.raise 1, "getupload", "bad request method."
end if
set getupload = result
end function
********************************** separatefields **********************************
this function retrieves the upload fields from binary data and retuns the fields as array
binary is safearray of all raw binary data from input.
function separatefields(binary, boundary)
dim posopenboundary, poscloseboundary, posendofheader, islastboundary
dim fields
boundary = stringtobinary(boundary)
posopenboundary = instrb(binary, boundary)
poscloseboundary = instrb(posopenboundary + lenb(boundary), binary, boundary, 0)
set fields = createobject("scripting.dictionary")
do while (posopenboundary > 0 and poscloseboundary > 0 and not islastboundary)
header and file/source field data
dim headercontent, fieldcontent
header fields
dim content_disposition, formfieldname, sourcefilename, content_type
helping variables
dim field, twocharsafterendboundary
get end of header
posendofheader = instrb(posopenboundary + len(boundary), binary, stringtobinary(vbcrlf + vbcrlf))
separates field header
headercontent = midb(binary, posopenboundary + lenb(boundary) + 2, posendofheader – posopenboundary – lenb(boundary) – 2)
separates field content
fieldcontent = midb(binary, (posendofheader + 4), poscloseboundary – (posendofheader + 4) – 2)
separates header fields from header
getheadfields binarytostring(headercontent), content_disposition, formfieldname, sourcefilename, content_type
create one field and assign parameters
set field = createuploadfield()
field.name = formfieldname
field.contentdisposition = content_disposition
field.filepath = sourcefilename
field.filename = getfilename(sourcefilename)
field.contenttype = content_type
field.value = fieldcontent
field.length = lenb(fieldcontent)
fields.add formfieldname, field
is this ending boundary ?
twocharsafterendboundary = binarytostring(midb(binary, poscloseboundary + lenb(boundary), 2))
binary.mid(poscloseboundary + len(boundary), 2).string
islastboundary = twocharsafterendboundary = "–"
if not islastboundary then this is not ending boundary – go to next form field.
posopenboundary = poscloseboundary
poscloseboundary = instrb(posopenboundary + lenb(boundary), binary, boundary )
end if
loop
set separatefields = fields
end function
********************************** utilities **********************************
function binarytostring(str)
strto = ""
for i=1 to lenb(str)
if ascb(midb(str, i, 1)) > 127 then
strto = strto & chr(ascb(midb(str, i, 1))*256+ascb(midb(str, i+1, 1)))
i = i + 1
else
strto = strto & chr(ascb(midb(str, i, 1)))
end if
next
binarytostring=strto
end function
function stringtobinary(string)
dim i, b
for i=1 to len(string)
b = b & chrb(asc(mid(string,i,1)))
next
stringtobinary = b
end function
separates header fields from upload header
function getheadfields(byval head, content_disposition, name, filename, content_type)
content_disposition = ltrim(separatefield(head, "content-disposition:", ";"))
name = (separatefield(head, "name=", ";")) ltrim
if left(name, 1) = """" then name = mid(name, 2, len(name) – 2)
filename = (separatefield(head, "filename=", ";")) ltrim
if left(filename, 1) = """" then filename = mid(filename, 2, len(filename) – 2)
content_type = ltrim(separatefield(head, "content-type:", ";"))
end function
separets one filed between sstart and send
function separatefield(from, byval sstart, byval send)
dim posb, pose, sfrom
sfrom = lcase(from)
posb = instr(sfrom, sstart)
if posb > 0 then
posb = posb + len(sstart)
pose = instr(posb, sfrom, send)
if pose = 0 then pose = instr(posb, sfrom, vbcrlf)
if pose = 0 then pose = len(sfrom) + 1
separatefield = mid(from, posb, pose – posb)
else
separatefield = empty
end if
end function
separetes file name from the full path of file
function getfilename(fullpath)
dim pos, posf
posf = 0
for pos = len(fullpath) to 1 step -1
select case mid(fullpath, pos, 1)
case "/", "\": posf = pos + 1: pos = 0
end select
next
if posf = 0 then posf = 1
getfilename = mid(fullpath, posf)
end function
</script>
<script runat=server language=jscript>
//the function creates field object.
function createuploadfield(){ return new uf_init() }
function uf_init(){
this.name = null
this.contentdisposition = null
this.filename = null
this.filepath = null
this.contenttype = null
this.value = null
this.length = null
}
</script>
