/*
* Generated by the Jasper component of Apache Tomcat
* Version: Apache Tomcat/7.0.47
* Generated at: 2017-08-17 15:30:21 UTC
* Note: The last modified time of this file was set to
* the last modified time of the source file after
* generation to assist with modification tracking.
*/
package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
public final class index_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static final javax.servlet.jsp.JspFactory _jspxFactory =
javax.servlet.jsp.JspFactory.getDefaultFactory();
private static java.util.Map<java.lang.String,java.lang.Long> _jspx_dependants;
private javax.el.ExpressionFactory _el_expressionfactory;
private org.apache.tomcat.InstanceManager _jsp_instancemanager;
public java.util.Map<java.lang.String,java.lang.Long> getDependants() {
return _jspx_dependants;
}
public void _jspInit() {
_el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory();
_jsp_instancemanager = org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(getServletConfig());
}
public void _jspDestroy() {
}
public void _jspService(final javax.servlet.http.HttpServletRequest request, final javax.servlet.http.HttpServletResponse response)
throws java.io.IOException, javax.servlet.ServletException {
final javax.servlet.jsp.PageContext pageContext;
javax.servlet.http.HttpSession session = null;
final javax.servlet.ServletContext application;
final javax.servlet.ServletConfig config;
javax.servlet.jsp.JspWriter out = null;
final java.lang.Object page = this;
javax.servlet.jsp.JspWriter _jspx_out = null;
javax.servlet.jsp.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>\r\n");
out.write("<html>\r\n");
out.write("<head>\r\n");
out.write(" <title>Java后端WebSocket的Tomcat实现</title>\r\n");
out.write("</head>\r\n");
out.write("<body>\r\n");
out.write(" Welcome<br/><input id=\"text\" type=\"text\"/>\r\n");
out.write(" <button onclick=\"send()\">发送消息</button>\r\n");
out.write(" <hr/>\r\n");
out.write(" <button onclick=\"closeWebSocket()\">关闭WebSocket连接</button>\r\n");
out.write(" <hr/>\r\n");
out.write(" <div id=\"message\"></div>\r\n");
out.write("</body>\r\n");
out.write("\r\n");
out.write("<script type=\"text/javascript\">\r\n");
out.write(" var websocket = null;\r\n");
out.write(" //判断当前浏览器是否支持WebSocket\r\n");
out.write(" if ('WebSocket' in window) {\r\n");
out.write(" websocket = new WebSocket(\"ws://localhost:8081/client/websocket\");\r\n");
out.write(" }\r\n");
out.write(" else {\r\n");
out.write(" alert('当前浏览器 Not support websocket')\r\n");
out.write(" }\r\n");
out.write("\r\n");
out.write(" //连接发生错误的回调方法\r\n");
out.write(" websocket.onerror = function () {\r\n");
out.write(" setMessageInnerHTML(\"WebSocket连接发生错误\");\r\n");
out.write(" };\r\n");
out.write("\r\n");
out.write(" //连接成功建立的回调方法\r\n");
out.write(" websocket.onopen = function () {\r\n");
out.write(" setMessageInnerHTML(\"WebSocket连接成功\");\r\n");
out.write(" }\r\n");
out.write("\r\n");
out.write(" //接收到消息的回调方法\r\n");
out.write(" websocket.onmessage = function (event) {\r\n");
out.write(" setMessageInnerHTML(event.data);\r\n");
out.write(" }\r\n");
out.write("\r\n");
out.write(" //连接关闭的回调方法\r\n");
out.write(" websocket.onclose = function () {\r\n");
out.write(" setMessageInnerHTML(\"WebSocket连接关闭\");\r\n");
out.write(" }\r\n");
out.write("\r\n");
out.write(" //监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。\r\n");
out.write(" window.onbeforeunload = function () {\r\n");
out.write(" closeWebSocket();\r\n");
out.write(" }\r\n");
out.write("\r\n");
out.write(" //将消息显示在网页上\r\n");
out.write(" function setMessageInnerHTML(innerHTML) {\r\n");
out.write(" document.getElementById('message').innerHTML += innerHTML + '<br/>';\r\n");
out.write(" }\r\n");
out.write("\r\n");
out.write(" //关闭WebSocket连接\r\n");
out.write(" function closeWebSocket() {\r\n");
out.write(" websocket.close();\r\n");
out.write(" }\r\n");
out.write("\r\n");
out.write(" //发送消息\r\n");
out.write(" function send() {\r\n");
out.write(" var message = document.getElementById('text').value;\r\n");
out.write(" websocket.send(message);\r\n");
out.write(" }\r\n");
out.write("</script>\r\n");
out.write("</html>");
} catch (java.lang.Throwable t) {
if (!(t instanceof javax.servlet.jsp.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);
else throw new ServletException(t);
}
} finally {
_jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
WebSocket j2ee 实现
需积分: 9 135 浏览量
2017-08-17
23:47:31
上传
评论
收藏 38KB RAR 举报
jstudio-websocket-j2ee.rar （25个子文件） 
jstudio-websocket-j2ee 
pom.xml 2KB target apache-tomcat-maven-plugin classes me gacl websocket WebSocketTest.class 3KB generated-sources annotations tomcat conf logging.properties 3KB web.xml 149KB tomcat-users.xml 1KB logs access_log.2017-08-17 860B work Tomcat localhost client org apache jsp index_jsp.class 6KB index_jsp.java 6KB webapps src test java main webapp WEB-INF web.xml 222B index.jsp 2KB resources java me gacl websocket WebSocketTest.java 3KB .idea misc.xml 1KB vcs.xml 164B .name 22B copyright profiles_settings.xml 76B modules.xml 284B encodings.xml 367B compiler.xml 1KB workspace.xml 25KB libraries Maven__javax_javaee_api_7_0.xml 483B Maven__com_sun_mail_javax_mail_1_5_0.xml 525B Maven__javax_activation_activation_1_1.xml 527B artifacts jstudio_websocket_j2ee_war.xml 345B jstudio_websocket_j2ee_war_exploded.xml 743B jstudio-websocket-j2ee.iml 2KB资源评论
