JSP实例学习100例.docVIP

JSP实例学习100例多种字体大小显示%@ page language=java %%@ page contentType=text/html; charset=GB2312%htmlheadtitleHello World/titlemeta http-equiv=Content-Type content=content=text/html; charset=gb2312/headbody bgcolor=#FFFFFFcenterfont size= 5 color=blue多种字体大小显示/fontcenterbrhrbrdiv align=center % //控制文字大小的循环语句for( int i=1; i=6; i++ )out.println( h + i + Hello World!/h + i + );%/div/body/html 2、c:out标记输出 %@ page contentType=text/html;charset=GB2312 %%@ taglib prefix=c uri=/jsp/jstl/core % htmlheadtitleCH3 - HelloJSP.jsp/title/headbody h2JSP 将会被转译为 Servlet/h2 %!int k = 0;%c:out value=Hi / %String name = browser;out.println(大家好 !!);%%= name % /body/html 3、获取当前时间%@ page contentType=text/html;charset=gb2312 import=java.util.* %HTMLHEADMETA NAME=GENERATOR Content=NetObjects ScriptBuilder 3.0META HTTP-EQUIV=Content-Type content=text/html; charset=iso-8859-1TITLEDocument Title/TITLE/HEADBODYcenterfont color=blue size=10 face=隶书%Date today = new Date();int hours = today.getHours();int minute = today.getMinutes(); if(hours=0 hours12){out.println(早上好!);}else{out.println(下午好!);}String[] weekdays = {日,一,二,三,四,五,六};out.println(\n今天是 + (today.getYear()+1900) + 年 + (today.getMonth()+1) + 月 + (today.getDate()) + 日星期 + weekdays[today.getDay()]); 4、include包含语句 Include.jsp%@ page contentType=text/html;charset=GB2312 % htmlheadtitleCH4 - Include_Html.jsp/title/headbody h2include 命令/h2%@ include file=Hello.html %% out.println(欢迎大家进入JSP的世界);%/body/html Hello.html:htmlbody JSP 2.0 Tech Referencebr /html/body 5、建立错误处理页面的范例程序ErrorPage.jsp%@ page contentType=text/html;charset=GB2312 errorPage=Error.jsp % htmlheadtitleCH4 - ErrorPage.jsp/title/headbody h2errorPage 的范例程序/h2 %! private double toDouble(String value) { return(Double.valueOf(value).doubleValue()); }% % double num1 = toDouble(request.getParameter(num1)); double num2 = toDouble(request.getParameter(num2));%您传入的两个数字为：%= num1 % 和 %= num2 %br两数相加