perl-cgi-form
发布时间：2020-12-16 00:16:20 所属栏目：大数据 来源：网络整理
导读：一 ?此cgi既是提交前的form，也被用来处理form的提交 来自：http://www.devdaily.com/perl/perl-cgi-example-scrolling-list-html-form? 代码： （多选listbox-Multiple-choice SELECTs实例） 不带参数时即为form：http://xxxx/cgi/perl-cgi2.cgi? 当点击for
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一 ?此cgi既是提交前的form，也被用来处理form的提交 来自：http://www.devdaily.com/perl/perl-cgi-example-scrolling-list-html-form? 代码： （多选listbox-Multiple-choice SELECTs实例）
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!/usr/bin/perl?-Tw
# #??PROGRAM:????scrolling_list.cgi # #??PURPOSE:????Demonstrate?(1)?how?to?create?a?scrolling_list?form?and #????????(2)?how?to?determine?the?value(s)?selected?by?the?user. # #??Created?by?alvin?alexander,?devdaily.com. # #-----------------------------------# #??1.?Create?a?new?Perl?CGI?object??# #-----------------------------------# use?CGI; $query?=?new?CGI; # ----------------------------------# #??2.?Print?the?doctype?statement??# #----------------------------------# print? $query->header; # ----------------------------------------------------# #??3.?Start?the?HTML?doc,?and?give?the?page?a?title??# #----------------------------------------------------# print? $query->start_html( ' My?scrolling_list.cgi?program '); # ------------------------------------------------------------# #??4a.??If?the?program?is?called?without?any?params,?print???# #???????the?scrolling_list?form.?????????????????????????????# #------------------------------------------------------------# if?(! $query->param)?{ ???? print? $query->startform; ???? print? $query->h3( ' Select?your?favorite?programming?language(s): '); ???? print? $query->scrolling_list(-name=> ' languages ', ?????????????????- values=>[ ??????????????????????? ' Basic ', ??????????????????????? ' C ', ??????????????????????? ' C++ ', ??????????????????????? ' Cobol ', ??????????????????????? ' DHTML ', ??????????????????????? ' Fortran ', ??????????????????????? ' HTML ', ??????????????????????? ' Korn?Shell?(Unix) ', ??????????????????????? ' Perl ', ??????????????????????? ' Java ', ??????????????????????? ' JavaScript ', ??????????????????????? ' Python ', ??????????????????????? ' Ruby ', ??????????????????????? ' Tcl/Tk '], ?????????????????-size=> 8, ?????????????????-multiple=> ' true ', ?????????????????-default=> ' Perl '); ???? # ?Notes: ????#?------ ????#????"-multiple=>'true'"?lets?the?user?make?multiple?selections ????#????????from?the?scrolling_list ????#????"-default"?is?optional ????#????"-size"?lets?you?specify?the?number?of?visible?rows?in?the?list ????#????can?also?use?an?optional?"-labels"?parameter?to?let?the?user ????#????????see?labels?you?want?them?to?see,?while?you?use ????#????????different?names?for?each?parameter?in?your?program ???? ???? print? $query->br; ???? print? $query->submit(-value=> ' Submit?your?favorite?language(s) '); ???? print? $query->endform; }? else?{ ???? # ----------------------------------------------------------# ????#??4b.??If?the?program?is?called?with?parameters,?retrieve?# ????#??the?'languages'?parameter,?assign?it?to?an?array????????# ????#??named?$languages,?then?print?the?array?with?each????????# ????#??name?separated?by?a?<BR>?tag.???????????????????????????# ????#----------------------------------------------------------# ???? print? $query->h3( ' Your?favorite?languages?are: '); ???? @languages?=? $query->param( ' languages '); ???? print? " <BLOCKQUOTE>n "; ???? foreach? $language?( @languages)?{ ???????? print? " $language<BR> "; ????} ???? print? " </BLOCKQUOTE>n "; } # --------------------------------------------------# #??5.?After?either?case?above,?end?the?HTML?page.??# #--------------------------------------------------# print? $query ->end_html;?? 二 也可以实现为html+perlcgi
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colors.html
<html><head><title>favorite?colors</title></head> <body> <b>Pick?a?Color:</b><br> <form?action= " colors.cgi "?method= " POST "> <input?type= " checkbox "?name= " red "?value= 1>?Red<br> <input?type= " checkbox "?name= " green "?value= 1>?Green<br> <input?type= " checkbox "?name= " blue "?value= 1>?Blue<br> <input?type= " checkbox "?name= " gold "?value= 1>?Gold<br> <input?type= " submit "> </form> </body> </html> # colors.cgi #!/usr/bin/perl?-wT use?CGI?qw(:standard); use?CGI::Carp?qw(warningsToBrowser?fatalsToBrowser); print?header; print?start_html; my? @colors?=?( " red ",? " green ",? " blue ",? " gold "); foreach? my? $color?( @colors)?{ ??? if?(param( $color))?{ ?????? print? " You?picked?$color.<br>n "; ???} } print?end_html; ? ? ?
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radiobox.html
<html><head><title>Pick?a?Color</title></head> <body> <b>Pick?a?Color:</b><br> <form?action= " radiobox.cgi "?method= " POST "> <input?type= " radio "?name= " color "?value= " red ">?Red<br> <input?type= " radio "?name= " color "?value= " green ">?Green<br> <input?type= " radio "?name= " color "?value= " blue ">?Blue<br> <input?type= " radio "?name= " color "?value= " gold ">?Gold<br> <input?type= " submit "> </form> </body></html> # radiobox.cgi #!/usr/bin/perl?-wT use?strict; use?CGI?qw(:standard); use?CGI::Carp?qw(warningsToBrowser?fatalsToBrowser); my? %colors?=?(??red?????=>? " #ff0000 ", ????????????????green???=>? " #00ff00 ", ????????????????blue????=>? " #0000ff ", ????????????????gold????=>? " #cccc00 "); print?header; my? $color?=?param( ' color '); # ?do?some?validation?-?be?sure?they?picked?a?valid?color if?( exists? $colors{ $color})?{ ??? print?start_html(-title=> " Results ",?-bgcolor=> $color); ??? print? " You?picked?$color.<br>n "; }? else?{ ??? print?start_html(-title=> " Results "); ??? print? " You?didn't?pick?a?color!?(You?picked?'$color') "; } print?end_html; ?? 三 cgi实例2
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#
!/usr/bin/perl??
?use?strict; ? use?warnings; ? use?CGI; ? use?CGI::Carp?qw(fatalsToBrowser); ? ? sub?output_top($); ? sub?output_end($); ? sub?display_results($); ? sub?output_form($); ? ? my? $q?=?new?CGI; ? ? print? $q->header(); ? ? # ?Output?stylesheet,?heading?etc ?output_top( $q); ? ? if?( $q->param())?{ ????? # ?Parameters?are?defined,?therefore?the?form?has?been?submitted ?????display_results( $q); ?}? else?{ ????? # ?We're?here?for?the?first?time,?display?the?form ?????output_form( $q); ?} ? ? # ?Output?footer?and?end?html ?output_end( $q); ? ? exit? 0; ? ? # ?Outputs?the?start?html?tag,?stylesheet?and?heading ? sub?output_top($)?{ ????? my?( $q)?=? @_; ????? print? $q->start_html( ?????????-title?=>? ' A?Questionaire ', ?????????-bgcolor?=>? ' white ', ?} ? ? # ?Outputs?a?footer?line?and?end?html?tags ? sub?output_end($)?{ ????? my?( $q)?=? @_; ????? print? $q->div( " My?Web?Form "); ????? print? $q->end_html; ?} ? ? # ?Displays?the?results?of?the?form ? sub?display_results($)?{ ????? my?( $q)?=? @_; ? ????? my? $username?=? $q->param( ' user_name '); ????? print? $username; ????? print? $q->br; ? ? # ?Outputs?a?web?form ? sub?output_form($)?{ ????? my?( $q)?=? @_; ????? print? $q->start_form( ?????????-name?=>? ' main ', ?????????-method?=>? ' POST ', ?????); ? ????? print? $q->start_table; ????? print? $q->Tr( ??????? $q->td( ' Name: '), ??????? $q->td( ????????? $q->textfield(-name?=>? " user_name ",?-size?=>? 50) ???????) ?????); ? ????? print? $q->Tr( ??????? $q->td( $q->submit(-value?=>? ' Submit ')), ??????? $q->td( ' ') ?????); ????? print? $q->end_table; ????? print? $q->end_form; ?} ? 更多实例 完！? （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |