{"id":772,"date":"2011-11-18T00:11:54","date_gmt":"2011-11-17T16:11:54","guid":{"rendered":""},"modified":"2014-03-11T22:40:47","modified_gmt":"2014-03-11T14:40:47","slug":"%e5%bf%85%e9%a1%bb%e8%a6%81%e6%b3%a8%e6%84%8f%e7%9a%84asp%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\/772.htm","title":{"rendered":"\u5fc5\u987b\u8981\u6ce8\u610f\u7684ASP\u4e0a\u4f20\u6f0f\u6d1e"},"content":{"rendered":"

\u6211\u4eec\u4e00\u5b9a\u542c\u8bf4\u8fc7ASP<\/font><\/a>\u7684\u4e0a\u4f20<\/font><\/a>\u6f0f\u6d1e\uff0c\u539f\u7406\u5c31\u662f\u5c06\u4e00\u4e9b\u6728\u9a6c\u6587\u4ef6\u4fee\u6539\u540e\u7f00\u540d\uff08\u4fee\u6539\u4e3a\u56fe\u50cf<\/font><\/a>\u6587\u4ef6\u540e\u7f00\uff09\uff0c\u8fdb\u884c\u4e0a\u4f20\u3002
\n\u6ce8\u610f\uff1aCheckFileType\u5e76\u4e0d\u80fd\u5224\u65ad\u51fa\u4f2a\u88c5\u6210GIF89a\u7684\u6587\u4ef6\u3002<\/u><\/p>\n

\u9488\u5bf9\u6b64\u60c5\u51b5\u4f7f\u7528\u4e0b\u5217\u51fd\u6570\u8fdb\u884c\u8fa8\u522b\uff1a<\/p>\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
\nfilename=LCase(filename)
\ndim fstream,fileExt,stamp,i
\nfileExt=mid(filename,InStrRev(filename,".")+1)
\nset fstream=Server<\/font><\/a>.createobject("ADODB.Stream")
\nfstream.Open
\nfstream.Type=adTypeBinary
\nfstream.LoadFromFile filename
\nfstream.position=0
\nselect<\/font><\/a> 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<\/font><\/a>\/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<\/p>\n

\nfile.SaveAs Server.mappath(filename) ‘\u4fdd\u5b58\u6587\u4ef6
\nIf not CheckFileType(Server.mappath(filename)) then
\n    response.write "\u9519\u8bef\u7684\u56fe\u50cf\u683c\u5f0f"
\n    Set fso = CreateObject("Scrip<\/font><\/a>ting.FileSystemObject")
\n    Set ficn = fso.Get<\/font><\/a>File(Server.mappath(filename))
\n    ficn.delete
\n    set ficn=nothing
\n    set fso=nothing
\n    response.end
\nend if<\/p>\n

ASP\u4e0a\u4f20\u6f0f\u6d1e\u8fd8\u5229\u7528"\\0"\u5bf9filepath\u8fdb\u884c\u624b\u811a\u64cd\u4f5c
\nhttp<\/font><\/a>:\/\/www.cnbruce.com\/blog<\/font><\/a>\/showlog.asp?cat_id=32&log_id=635<\/p>\n

\u9488\u5bf9\u8fd9\u6837\u7684\u60c5\u51b5\u53ef\u4f7f\u7528\u5982\u4e0b\u51fd\u6570<\/p>\n

function 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

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

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

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

\u6211\u4eec\u4e00\u5b9a\u542c\u8bf4\u8fc7ASP\u7684\u4e0a\u4f20\u6f0f\u6d1e\uff0c\u539f\u7406\u5c31\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 \u6ce8\u610f\uff1aCheckFileType\u5e76\u4e0d\u80fd\u5224\u65ad\u51fa\u4f2a\u88c5\u6210GIF89a\u7684\u6587\u4ef6\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-772","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/772","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=772"}],"version-history":[{"count":1,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/772\/revisions"}],"predecessor-version":[{"id":66629,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/772\/revisions\/66629"}],"wp:attachment":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/media?parent=772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/categories?post=772"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/tags?post=772"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/topic?post=772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}