📄 helloworld.java
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package com.gc.action;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class HelloWorld extends HttpServlet {
public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException {
PrintWriter out = response.getWriter();
out.write("<html>\r\n");
out.write("<head>\r\n");
out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\r\n");
out.write("<title>使用Servlet实现HelloWorld的例子</title>\r\n");
out.write("</head>\r\n");
out.write("\r\n");
out.write("<body>\r\n");
out.write("<H1>\r\n");
out.print("HelloWorld");
out.write("\r\n");
out.write("</H1>\r\n");
out.write("</body>\r\n");
out.write("</html>");
}
}
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