hellofilter.java
来自「說明JSP平台、開發環境」· Java 代码 · 共 25 行
JAVA
25 行
import javax.servlet.*;
import java.io.*;
public class HelloFilter implements Filter {
// define instance variables
private FilterConfig config;
private String strCounter = "";
//
public void init(FilterConfig config) {
this.config = config;
strCounter = config.getInitParameter("counter");
}
//
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws ServletException, IOException
{
response.setContentType("text/html; charset=big5");
PrintWriter out = response.getWriter();
String title = "Hello, Filter!";
out.println("<html>");
out.println("<head><title>" + title + "</title>");
out.println("</head>");
out.println("<body background='images/MARBLE2C.GIF'>");
//
out.println("<h2>材
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