求大神解答servlet转写jsp
[code=Java]
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
public class Exercise34_12 extends HttpServlet {
boolean stringToken = false;
// Array of all Java keywords + true + false + null
final static String[] keywordString = { "abstract ", "assert ", "boolean ",
"break ", "byte ", "case ", "catch ", "char ", "class ", "const ",
"continue ", "default ", "do ", "double ", "else ", "enum ",
"extends ", "for ", "final ", "finally ", "float ", "goto ", "if ",
"implements ", "import ", "instanceof ", "int ", "interface ",
"long ", "native ", "new ", "package ", "private ", "protected ",
"public ", "return ", "short ", "static ", "strictfp ", "super ",
"switch ", "synchronized ", "this ", "throw ", "throws ",
"transient ", "try ", "void ", "volatile ", "while ",
"true ", "false ", "null "};
final static Set keywordSet = new HashSet(Arrays.asList(keywordString));
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
PrintWriter output = response.getWriter();
String javaSourceText = request.getParameter( "program ");
output.format( "%s\r\n ", " <html> ");
output.format( "%s\r\n ", " <head> ");
output.format( "%s\r\n ",
" <title> Syntax-Highlighted Code </title> ");
output.format( "%s\r\n ",
" <meta http-equiv=\ "Content-Type\ " content=\ "text/html; charset=windows-1252\ "> ");
output.format( "%s\r\n ", " <style type = \ "text/css\ "> ");
output.format( "%s\r\n ",
"body {font-family: \ "Courier New\ ", sans-serif; font-size: 100%; color: black} ");
output.format( "%s\r\n ", ".keyword {color: #000080; font-weight: bold} ");
output.format( "%s\r\n ", ".comment {color: #008000} ");
output.format( "%s\r\n ", ".literal {color: #0000ff} ");
output.format( "%s\r\n ", " </style> ");
output.format( "%s\r\n ", " </head> ");
output.format( "%s\r\n ", " <body> ");
output.format( "%s\r\n ", " <pre> ");
javaSourceText = javaSourceText.replaceAll( "> ", "> ");
javaSourceText = javaSourceText.replaceAll( " < ", "< ");
translateToHTML(javaSourceText, output);
output.format( "%s\r\n ", " </pre> ");
output.format( "%s\r\n ", " </body> ");
output.format( "%s\r\n ", " </html> ");
}
/** Translate Java source code to HTML */
private void translateToHTML(String text, PrintWriter output) {
text = text.replaceAll( "// ", "LINECOMMENT ");
text = text.replaceAll( "/\\* ", "BLOCKCOMMENT ");
String token;
while (text != null && text.length() > 0) {
// * and / are in conflict with /* and //
String[] parts = text.split( "[%\\+\\-\\*/\r\n\t \\[\\].;(){},] ", 2);
token = parts[0];
if (token.length() > 1 && token.startsWith( "LINECOMMENT ")) {
output.format( "%s ", " <span class = \ "comment\ "> ");
parts = text.split( "\r\n ", 2);
text = parts[1];
output.format( "%s ", parts[0].replaceAll( "LINECOMMENT ", "// "));
output.format( "%s ", " </span> \r\n ");
continue;
}
else if (token.length() > 1 && token.startsWith( "BLOCKCOMMENT ")) {
output.format( "%s ", " <span class = \ "comment\ "> ");
parts = text.split( "\\*/ ", 2);
text = parts[1];
output.format( "%s ", parts[0].replaceAll( "BLOCKCOMMENT ", "/* ") + "*/ ");
output.format( "%s ", " </span> ");
continue;
}
else if (token.length() > 1 && token.matches( " '\\w '* ")) {
output.format( "%s ", " <span class = \ "literal\ "> ");
output.format( "%s ", token);
output.format( "%s ", " </span> ");
}
else if (token.startsWith( "\ " ") && token.endsWith( "\ " ") &&
(token.length() > 1)) {
output.format( "%s ", " <span class = \ "literal\ "> " + token
+ " </span> ");
}
else if (token.startsWith( "\ " ") && token.endsWith( "\ " ") &&
(token.length() == 1)) {
if (stringToken) {
output.format( "%s ", token + " </span> ");
stringToken = false;
}
else {
output.format( "%s ", " <span class = \ "literal\ "> " + token);
stringToken = true;
}
}
else if (token.startsWith( "\ " ")) {
output.format( "%s ", " <span class = \ "literal\ "> " + token);
stringToken = true;
}
else if (token.endsWith( "\ " ") && (!token.endsWith( "\\\ " "))) {
output.format( "%s ", token);
output.format( "%s ", " </span> ");
stringToken = false;
}
else if (token.matches( "\\d* ")) { // Check if numeric
output.format( "%s ", " <span class = \ "literal\ "> " + token +
" </span> ");
}
else if (!stringToken && keywordSet.contains(token)) {
output.format( "%s ", " <span class = \ "keyword\ "> " + token +
" </span> ");
}
else {
output.format( "%s ", token);
}
if (token.length() < text.length()) {
output.format( "%s ", text.charAt(token.length()));
}
if (parts.length == 2) {
text = parts[1];
}
}
}
}
[/code]
求大神把这段代码重写为一个jsp页面
[解决办法]
很简单吧 把成员与方法的声明放在<%! %>里面
把逻辑代码放在<% %>建议你先新建个jsp文件，不要在上面改，一些指令什么的会自动生成的。
[解决办法]
原理一样啊！
[解决办法]
<% 写这个里面 %>
