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1JSP1JSP1.TomcatJDK2.Tomcat?binstartup.batTomcatbinshutdown.batTomcat3.Boy.jspboy.jspJSP4.waterWebJSPfishJSP:D:\water;server.xml,/host:Contextpath=/fishdocBase=D:\waterdebug=0reloadable=true/://127.0.0.1:8080/A.jspB.://127.0.0.1:8080/moon/A.jspD.!%%%?:%!%,Tomcat.%%,JSP.2.2JSP,Java?:2(JSP,JAVA).5.JSPhello.jsp,hello.jsp?hello.jsp%@pagecontentType=text/html;charset=GB2312%%@pageisThreadSafe=false%BODYHTML%!intsum=1;voidadd(intm){sum=sum+m;}%%intn=100;add(n);%%=sum%/BODY/HTML:101;201;6.JSP%@pagecontentType=text/html;charset=GB2312%HTMLBODY%for(charc='A';c='Z';c++){out.println(+c);}%/BODY/HTML37.includeinclude.:include:,.include:,2.8.JSP:main.jspcircle.jspladder.jspJSPwebmain.jspincludecircle.jspladder.jspcircle.jspladder.jspcircle.jspladder.jspmain.jspincludeparammain.jsp%@pagecontentType=text/html;charset=GB2312%HTMLBODYbgcolor=yellow%doubler=3,a=2,b=5,c=2;%brcircle.jsp%=r%jsp:includepage=circle.jspjsp:paramname=sideRvalue=%=r%//jsp:includebrladder.jsp%=a%,%=b%,%=c%jsp:includepage=ladder.jspjsp:paramname=sideAvalue=%=a%/jsp:paramname=sideBvalue=%=b%/jsp:paramname=sideCvalue=%=c%//jsp:include/BODY/HTMLladder.jsp%@pagecontentType=text/html;charset=GB2312%%!publicStringgetArea(doublea,doubleb,doublec){if(a0&&b0&&c0){doublearea=((a+b)*c)/2.0;return+area;}else{4return(+c+);}}%%StringsideA=request.getParameter(sideA);StringsideB=request.getParameter(sideB);StringsideC=request.getParameter(sideC);doublea=Double.parseDouble(sideA);doubleb=Double.parseDouble(sideB);doublec=Double.parseDouble(sideC);%fontcolor=redsize=4br:%=sideA%,%=sideB%,%=sideC%br:%=getArea(a,b,c)%/fontcircle.jsp:%@pagecontentType=text/html;charset=GB2312%%!publicStringgetArea(doubler){if(r0){doublearea=3.14*r*r;return+area;}else{return(+r+r);}}%%StringsideR=request.getParameter(sideR);doubler=Double.parseDouble(sideR);%fontcolor=bluesize=4br:%=sideR%br:%=getArea(r)%/font53JSP1.JSPGUI()inputtype=checkboxname=itemvalue=birdinputtype=checkboxname=itemvalue=appleinputtype=checkboxname=itemvalue=catinputtype=checkboxname=itemvalue=moonJSPrequest,,request?A.Stringa=request.getParameter(item);B.Stringb=request.getParameter(checkbox);C.Stringc[]=request.getParameterValues(item);D.Stringd[]=request.getParameterValues(checkbox);:C.2.,?:2:1:%@pagecontentType=text/html;Charset=GB2312%CharsetC.2:%Stringstr1=request.getParameter(number);bytec[]=str1.getBytes(ISO-8859-1);str1=newString(c);%3.JSPinputString.jspcomputer.jsp,inputString.jspcomputer.jspinputString.jspinputString.jsp%@pagecontentType=text/html;Charset=GB2312%HTMLBODYFontsize=5FORMaction=computer.jspmethod=postname=formBR:INPUTtype=textname=stringvalue=/BRINPUTTYPE=submitvalue=name=submitINPUTTYPE=resetvalue=/FORM/FONT/BODY/HTMLcomputer.jsp%@pagecontentType=text/html;Charset=GB2312%6HTMLBODYFontsize=5%StringyourString=request.getParameter(string);%P:%=yourString%/Pp:%=yourString.length()%/pahref=inputString.jspreturn/a/FONT/BODY/HTML4.responsesendRedirect(URL:url)?:sendRedirect(URL:url)url,.5.6.Websession?:.7.Websession?:.74JSPJavabean1.WebmymoonJSPbean,beanblue.sky,bean?:(1)Web(2)Web\WEB-INF\classes(3)classes.:Web\WEB-INF\classes\blue\sky(4).2.tom.jiafei.Circlebean,sessionbean?jsp:useBeanid=circleclass=tom.jiafei.Circlescope=page/jsp:useBeanid=circleclass=tom.jiafei.Circlescope=request/jsp:useBeanid=circleclass=tom.jiafei.Circlescope=session/jsp:useBeanid=circletype=tom.jiafei.Circlescope=session/:jsp:useBeanid=circleclass=tom.jiafei.Circlescope=session/3.beanintnumber,?A.publicvoidsetNumber(intn)B.voidsetNumber(intn){number=n;{number=n;}}C.publicvoidSetNumber(intn)D.publicvoidSetnumber(intn){number=n;{number=n;}}:A.5.JSPJSPJSPbeanJSPgetPropertyladder.jsp:%@pagepageEncoding=GBk%jsp:useBeanid=ladderclass=pfc.Ladderscope=page/HTMLBODYbgcolor=yellowFontsize=3FORMaction=Method=post:Inputtype=textname=topvalue=0:Inputtype=textname=bottomvalue=0:Inputtype=textname=heightvalue=08Inputtype=submitvalue=/FORMjsp:setPropertyname=ladderproperty=*/:jsp:getPropertyname=ladderproperty=top/,jsp:getPropertyname=ladderproperty=bottom/,jsp:getPropertyname=ladderproperty=height/.BRjsp:getPropertyname=ladderproperty=area//FONT/BODY/HTMLLadder.java:packagepfc;publicclassLadder{doubletop=0,bottom=0,height=0,area=-1;publicdoublegetArea(){area=(top+bottom)*height/2;returnarea;}publicdoublegetBottom(){returnbottom;}publicvoidsetBottom(doublebottom){this.bottom=bottom;}publicdoublegetHeight(){returnheight;}publicvoidsetHeight(doubleheight){this.height=height;}publicdoublegetTop(){returntop;}publicvoidsetTop(doubletop){this.top=top;}}6.JSPa.jspb.jspa.j