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📄 talk_jsp.java

📁 该系统实现的是一个在线聊天的一个小应用程序
💻 JAVA
字号:
package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.util.Set;
import java.util.List;
import java.util.Iterator;
import com.berheley.listener.Counter;

public final class talk_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();

  private static java.util.List _jspx_dependants;

  private javax.el.ExpressionFactory _el_expressionfactory;
  private org.apache.AnnotationProcessor _jsp_annotationprocessor;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspInit() {
    _el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory();
    _jsp_annotationprocessor = (org.apache.AnnotationProcessor) getServletConfig().getServletContext().getAttribute(org.apache.AnnotationProcessor.class.getName());
  }

  public void _jspDestroy() {
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      response.setContentType("text/html; charset=UTF-8");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\r\n");
      out.write("<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("<html>\r\n");
      out.write("\t<head>\r\n");
      out.write("\t\t<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\r\n");
      out.write("\t\t<title>Insert title here</title>\r\n");
      out.write("\t\t<script language=\"javascript\" src=\"jquery.js\"></script>\r\n");
      out.write("\t\t<script type=\"text/javascript\" language=\"javascript\">\r\n");
      out.write("\t\t\tfunction initContent(){\r\n");
      out.write("\t\t\t   //设置焦点\r\n");
      out.write("\t\t\t\tdocument.getElementById(\"content\").focus();\r\n");
      out.write("\t\t\t}\r\n");
      out.write("\t\t\t/*\r\n");
      out.write("\t\t\t\tajax刷新页面\r\n");
      out.write("\t\t\t*/\r\n");
      out.write("\t\t\tfunction ajaxRequest()\r\n");
      out.write("\t\t\t{\r\n");
      out.write("\t\t\t\tvar content=$(\"#content\").val();\r\n");
      out.write("\t\t\t\t$.ajax({\r\n");
      out.write("\t\t   \t\ttype: \"get\",\r\n");
      out.write("\t\t   \t\turl: \"MyTalkRoom\",\r\n");
      out.write("\t\t   \t\tdata: \"content=\"+content,\r\n");
      out.write("\t\t   \t\tasync: true,\r\n");
      out.write("\t\t   \t\tsuccess: function(msg){\r\n");
      out.write("\t\t\t\t\t\t//alert(msg);\r\n");
      out.write("\t\t\t\t\t\t$(\"#words\").append(msg+\"/n\");\r\n");
      out.write("\t\t   \t\t}\r\n");
      out.write("\t\t \t\t});\r\n");
      out.write("\t\t\t}\r\n");
      out.write("\t\t</script>\r\n");
      out.write("\t</head>\r\n");
      out.write("\t<body onload=\"initContent()\">\r\n");
      out.write("\t\t");

			Set userset = null;
			List contentList = null;
			ServletContext context = this.getServletContext();
		
      out.write("\r\n");
      out.write("\t\t<table align=\"center\">\r\n");
      out.write("\t\t\t<tr>\r\n");
      out.write("\t\t\t\t<td>\r\n");
      out.write("\t\t\t\t\t<textarea id=\"words\" name='words' cols=\"50\" rows=\"30\" >");

							if (context.getAttribute("list") != null) {
								contentList = (List) context.getAttribute("list");
								for (int i = 0; i < contentList.size(); i++) {
								out.println(contentList.get(i).toString());
							}}
      out.write("\r\n");
      out.write("\t\t\t\t\t\t\t\r\n");
      out.write("\t\t\t\t\t</textarea>\r\n");
      out.write("\t\t\t\t\t<form action='MyTalkRoom' method=\"get\">\r\n");
      out.write("\t\t\t\t\t\t<input type=\"text\" id=\"content\" name='content' /> \r\n");
      out.write("\t\t\t\t\t\t<button onclick=\"ajaxRequest()\">发送</button>\r\n");
      out.write("\t\t\t\t\t</form>\r\n");
      out.write("\t\t\t\t\r\n");
      out.write("\t\t\t\t</td>\r\n");
      out.write("\t\t\t\t<td>\r\n");
      out.write("\t\t\t\t\t<textarea STYLE=\"overflow:hidden;font-color:red;\" cols=\"15\" rows=\"20\" >");

						out.println("用户列表:");
						userset = (Set) context.getAttribute("set");
						Iterator iterator = userset.iterator();
						while (iterator.hasNext()) {
							out.println(iterator.next().toString());
						}
      out.write("\r\n");
      out.write("\t\t\t\t\t</textarea>\r\n");
      out.write("\t\t\t\t</td>\r\n");
      out.write("\t\t\t</tr>\r\n");
      out.write("\t\t</table>\r\n");
      out.write("\t\t<div style=\"font-size:9pt;text-align:center;\">\r\n");
      out.write("\t\t\t在线人数:");
      out.print(Counter.getOnline() );
      out.write("\r\n");
      out.write("\t\t</div>\r\n");
      out.write("\t</body>\r\n");
      out.write("</html>");
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          try { out.clearBuffer(); } catch (java.io.IOException e) {}
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}

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