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limit the format of uploaded files by judging Pdf,docx,xlsx,pptx,potx,vsdx,odt,doc,xls,ppt,vsd,pot,wps,dps,et and Txt,rtfFile type I hope you will make more comments!
function Checkfiletype ($filename) {
File header
$_typecode = Array (
' 3780 ',//pdf
' 8075 ',//.docx,.xlsx,.pptx,.potx,.vsdx,.odt
' 208207 ',//.doc,.xls,.ppt,.vsd,.pot,.wps,.dps,.et
);
$file = fope
Summary: This text is divided into two parts. The first part: basic knowledge of design pattern; Part Two: The six principles in software design, and analyzes the principle of single responsibility in detail.
(the timeline reference for this article: \java design mode (time series diagram) for Notes Support folder. VSDX)
Part One: initial knowledge of design patterns What is design mode? When James gets this argument, it's confusing! Mode
String, Toxyspreadsheet, Toxymetadata
PPT, pptx
Toxymetadata
Doc, docx
String, Toxydocument, Toxymetadata
. VSD,. Pub,. Shw,. Sldprt, PUBX, VSDX
Toxymetadata
How to use ToxyThe use of Toxy is really very simple, here is not exaggerated, see the following example:ParserContext context = new ParserContext ("test.xlsx"); Ispreadsheetparser parser = Parserfactory.createspreadsheet ( c
called during this period).
3.4. Static Public staticAs you can see, the Withinitial () method's entry is a functional interface supplier, and the return value is the JDK8 new inner class suppliedthreadlocal, and as 2.2 says, the difference is only in support of the lambda expression assignment. The use case is as follows:
@Test public
void Jdk8test () {
supplier
Note:withinitial (supplier) is a return value threadlocal, so it is assigned to the Threadlocal instance when it is instantiated
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