思路:一个form表单,用户提交留言
一个页面显示留言内容。用到Vector来存取信息并显示
cas.jsp
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<body> <form action= "fei.jsp" > 留言人: <input type= "text"
name= "name" /><br/> 标题:<input type= "text"
name= "title" /><br/> 留言内容:<br/> <textarea rows= "6"
cols= "40"
name= "message" ></textarea> <br/> <input type= "submit"
value= "提交" /> </form> </body> |
fei.jsp
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<body> <% String name=request.getParameter( "name" ); String a= new
String(name.getBytes( "ISO-8859-1" ), "gb2312" ); String title=request.getParameter( "title" ); String b= new
String(title.getBytes( "ISO-8859-1" ), "gb2312" ); String message=request.getParameter( "message" ); String c= new
String(message.getBytes( "ISO-8859-1" ), "gb2312" ); Vector v=(Vector)application.getAttribute( "v" ); if (v== null ){ v= new
Vector(); } String time=( new
Date()).toLocaleString(); String s=a+ "#" +b+ "#" +c+ "#" +time; //这里的”#“符号不能多写,否则会多出一列来 v.add(s); application.setAttribute( "v" ,v); if (name== null ||name.equals( "" )){ name= "guess" +( int )(Math.random()* 1000 ); } out.print( "<table border=‘1‘>" ); out.print( "<tr><th>留言人</th><th>标题</th><th>留言内容</th><th>留言时间</th></tr>" ); for ( int
i= 0 ;i<v.size();i++){ out.print( "<tr>" ); String st=(String)v.elementAt(i); String ss[]= st.split( "#" ); for ( int
j= 0 ;j<ss.length;j++){ out.print( "<td>" +ss[j]+ "</td>" ); } out.print( "</tr>" ); } %> </body> |
java web 程序---留言板,布布扣,bubuko.com
原文地址:http://www.cnblogs.com/langlove/p/3729814.html