{"id":782,"date":"2011-11-18T00:22:17","date_gmt":"2011-11-17T16:22:17","guid":{"rendered":""},"modified":"2014-03-11T22:40:44","modified_gmt":"2014-03-11T14:40:44","slug":"asp%e5%ae%9e%e4%be%8b%ef%bc%9a%e8%a7%a3%e5%86%b3asp%e5%9b%be%e5%83%8f%e4%b8%8a%e4%bc%a0%e6%bc%8f%e6%b4%9e","status":"publish","type":"post","link":"http:\/\/www.xiaoyebailong.com\/index.php\/2011\/11\/18\/782.htm","title":{"rendered":"ASP\u5b9e\u4f8b\uff1a\u89e3\u51b3ASP\u56fe\u50cf\u4e0a\u4f20\u6f0f\u6d1e"},"content":{"rendered":"

\u5e38\u542c\u8bf4\u7684ASP\u4e0a\u4f20\u6f0f\u6d1e\uff0c\u5373\u662f\u5c06\u4e00\u4e9b\u6728\u9a6c\u6587\u4ef6\u4fee\u6539\u540e\u7f00\u540d\uff08\u4fee\u6539\u4e3a\u56fe\u50cf\u6587\u4ef6\u540e\u7f00\uff09\uff0c\u8fdb\u884c\u4e0a\u4f20\u3002<\/p>\n

\u9488\u5bf9\u6b64\u60c5\u51b5\u4f7f\u7528\u4e0b\u5217\u51fd\u6570\u8fdb\u884c\u8fa8\u522b\uff1a
\n<%
\n‘******************************************************************
\n‘CheckFileType \u51fd\u6570\u7528\u6765\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u4e3a\u56fe\u7247\u6587\u4ef6
\n‘\u53c2\u6570filename\u662f\u672c\u5730\u6587\u4ef6\u7684\u8def\u5f84
\n‘\u5982\u679c\u662f\u6587\u4ef6jpeg,gif,bmp,png\u56fe\u7247\u4e2d\u7684\u4e00\u79cd\uff0c\u51fd\u6570\u8fd4\u56detrue\uff0c\u5426\u5219\u8fd4\u56defalse
\n‘******************************************************************<\/p>\n

const adTypeBinary=1<\/p>\n

dim jpg(1):jpg(0)=CByte(&HFF):jpg(1)=CByte(&HD8)
\ndim bmp(1):bmp(0)=CByte(&H42):bmp(1)=CByte(&H4D)
\ndim png(3):png(0)=CByte(&H89):png(1)=CByte(&H50):png(2)=CByte(&H4E):png(3)=CByte(&H47)
\ndim gif(5):gif(0)=CByte(&H47):gif(1)=CByte(&H49):gif(2)=CByte(&H46):gif(3)=CByte(&H39):gif(4)=CByte(&H38):gif(5)=CByte(&H61)<\/p>\n

function CheckFileType(filename)
\non error resume next
\nCheckFileType=false
\ndim fstream,fileExt,stamp,i
\nfileExt=mid(filename,InStrRev(filename,".")+1)
\nset fstream=Server.createobject("ADODB.Stream")
\nfstream.Open
\nfstream.Type=adTypeBinary
\nfstream.LoadFromFile filename
\nfstream.position=0
\nselect case fileExt
\ncase "jpg","jpeg"
\nstamp=fstream.read(2)
\nfor i=0 to 1
\nif ascB(MidB(stamp,i+1,1))=jpg(i) then CheckFileType=true else CheckFileType=false
\nnext
\ncase "gif"
\nstamp=fstream.read(6)
\nfor i=0 to 5
\nif ascB(MidB(stamp,i+1,1))=gif(i) then CheckFileType=true else CheckFileType=false
\nnext
\ncase "png"
\nstamp=fstream.read(4)
\nfor i=0 to 3
\nif ascB(MidB(stamp,i+1,1))=png(i) then CheckFileType=true else CheckFileType=false
\nnext
\ncase "bmp"
\nstamp=fstream.read(2)
\nfor i=0 to 1
\nif ascB(MidB(stamp,i+1,1))=bmp(i) then CheckFileType=true else CheckFileType=false
\nnext
\nend select
\nfstream.Close
\nset fseteam=nothing
\nif err.number<>0 then CheckFileType=false
\nend function
\n%><\/p>\n

\u90a3\u4e48\u5728\u5e94\u7528\u7684\u65f6\u5019
\nCheckFileType(server.mappath("cnbruce.jpg"))
\n\u6216\u8005
\nCheckFileType("F:\/web\/164\/images\/cnbruce.jpg"))<\/p>\n

\u53cd\u6b63\u5373\u662f\u68c0\u6d4b\u9a8c\u8bc1\u672c\u5730\u7269\u7406\u5730\u5740\u7684\u56fe\u50cf\u6587\u4ef6\u7c7b\u578b\uff0c\u8fd4\u56de true \u6216 false\u503c<\/p>\n

\u6240\u4ee5\u8fd9\u4e2a\u60c5\u51b5\u5e94\u7528\u5728\u56fe\u50cf\u4e0a\u4f20\u4e2d\uff0c\u76ee\u524d\u7684\u529e\u6cd5\u662f\u5148\u5141\u8bb8\u8be5“\u4f2a\u56fe\u50cf”\u6587\u4ef6\u7684\u4e0a\u4f20\uff0c\u63a5\u7740\u4f7f\u7528\u4ee5\u4e0a\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u5224\u65ad\u8be5\u6587\u4ef6\u662f\u5426\u7b26\u5408\u56fe\u50cf\u7684\u89c4\u8303\uff0c\u82e5\u662f\u6728\u9a6c\u4f2a\u88c5\u7684\u56fe\u50cf\u6587\u4ef6\u5219FSO\u5220\u9664\u4e4b\uff0c\u6bd4\u5982\uff1a
\nfile.SaveAs Server.mappath(filename) ‘\u4fdd\u5b58\u6587\u4ef6
\nIf not CheckFileType(Server.mappath(filename)) then
\nresponse.write "\u9519\u8bef\u7684\u56fe\u50cf\u683c\u5f0f"
\nSet fso = CreateObject("Scripting.FileSystemObject")
\nSet ficn = fso.GetFile(Server.mappath(filename))
\nficn.delete
\nset ficn=nothing
\nset fso=nothing
\nresponse.end
\nend if<\/p>\n

\u5219\u662f\u5148\u5c06\u6587\u4ef6\u4e0a\u4f20\uff0c\u63a5\u7740\u7acb\u9a6c\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\u5224\u65ad\u6587\u4ef6\u56fe\u50cf\u7c7b\u578b\u7684\u543b\u5408\u6027\uff0cFSO\u505a\u51fa\u5220\u9664\u8be5\u6587\u4ef6\u7684\u64cd\u4f5c\u3002<\/p>\n

ASP\u4e0a\u4f20\u6f0f\u6d1e\u8fd8\u5229\u7528"\\0"\u5bf9filepath\u8fdb\u884c\u624b\u811a\u64cd\u4f5c
\n\u9488\u5bf9\u8fd9\u6837\u7684\u60c5\u51b5\u53ef\u4f7f\u7528\u5982\u4e0b\u51fd\u6570:
\nfunction TrueStr(fileTrue)
\nstr_len=len(fileTrue)
\npos=Instr(fileTrue,chr(0))
\nif pos=0 or pos=str_len then
\nTrueStr=true
\nelse
\nTrueStr=false
\nend if
\nend function<\/p>\n

\u63a5\u7740\u5c31\u53ef\u5224\u65ad\u540e\u518d\u505a\u6587\u4ef6\u7684\u4e0a\u4f20<\/p>\n

if TrueStr(filename)=false then
\nresponse.write "\u975e\u6cd5\u6587\u4ef6"
\nresponse.end
\nend if<\/p>\n

file.SaveAs Server.mappath(filename)
\n%>
\n <\/p>\n","protected":false},"excerpt":{"rendered":"

\u5e38\u542c\u8bf4\u7684ASP\u4e0a\u4f20\u6f0f\u6d1e\uff0c\u5373\u662f\u5c06\u4e00\u4e9b\u6728\u9a6c\u6587\u4ef6\u4fee\u6539\u540e\u7f00\u540d\uff08\u4fee\u6539\u4e3a\u56fe\u50cf\u6587\u4ef6\u540e\u7f00\uff09\uff0c\u8fdb\u884c\u4e0a\u4f20\u3002 \u9488\u5bf9\u6b64\u60c5\u51b5\u4f7f\u7528\u4e0b\u5217\u51fd\u6570\u8fdb\u884c\u8fa8\u522b\uff1a <% ‘**********************************************…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-782","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/comments?post=782"}],"version-history":[{"count":1,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/782\/revisions"}],"predecessor-version":[{"id":66619,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/782\/revisions\/66619"}],"wp:attachment":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/media?parent=782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/categories?post=782"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/tags?post=782"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/topic?post=782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}