谁能提供一个html5消息推送的实例，服务端为asp.net?谢谢
用户提出问题:谁能提供一个html5消息推送的实例，服务端为asp.net?谢谢,具体如下:
通过互联网整理获得以下解决方法:
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该回复于2014-04-05 17:27:18被管理员删除
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不太明白你要的功能，不过你可以看下WebWorkers是不是你需要的
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websocket,你可以看一看的哦
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html5利用websocket完成的推送功能
链接：http://http://www.zjjv.com///web/a/2014032492868.shtml
希望能帮到你！
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程序代码
html部分
<!DOCTYPEHTML>
<html>
<head>
<metacharset="utf-8">
<scripttype="text/javascript"src="js/jquery.js"></script>
<scripttype="text/javascript"src="js/socket.js"></script>
<title>无标题文档</title>
</head>
<scriptlanguage="javascript">
</script>
<body>
<table>
<tr>
<td>Message</td>
<td><inputtype="text"id="message"></td>
</tr>
<tr>
<td>Name</td>
<td><inputtype="text"id="othername"></td>
</tr>
<tr>
<td><inputid="sendbutton"type="button"value="send"onClick="click"disabled="true">
</input></td>
</tr>
</table>
<script>
</script>
</body>
</html>
js部分(关于jquery部分不进行讲解)
varusername=window.prompt("输入你的名字:");
document.write("Welcome<pid=\"username\">"+username+"</p>");
if(!window.WebSocket&&window.MozWebSocket)
window.WebSocket=window.MozWebSocket;
if(!window.WebSocket)
alert("NoSupport");
varws;
$(document).ready(function(){
$("#sendbutton").attr("disabled",false);
$("#sendbutton").click(sendMessage);
startWebSocket();
})
functionsendMessage()
{
varothername=$("#othername").val();
varmsg="MSG\t"+username+"_"+othername+"_"+$("#message").val();
send(msg);
}
functionsend(data)
{
console.log("Send:"+data);
ws.send(data);
}
functionstartWebSocket()
{
ws=newWebSocket("ws://"+location.host+"/WebSocket/SocketServer");
ws.onopen=function(){
console.log("successopen");
$("#sendbutton").attr("disabled",false);
};
ws.onmessage=function(event)
{
console.log("RECEIVE:"+event.data);
handleData(event.data);
};
ws.onclose=function(event){
console.log("Clientnotifiedsockethasclosed",event);
};
}
functionhandleData(data)
{
varvals=data.split("\t");
varmsgType=vals[0];
switch(msgType)
{
case"NAME":
varmsg=vals[1];
varmes="NAME"+"\t"+msg+"_"+username;
send(mes);
break;
case"MSG":
varval2s=vals[1].split("_");
varfrom=val2s[0];
varmessage=val2s[2];
alert(from+":"+message);
break;
default:
break;
}
}
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java部分
importjava.io.IOException;
importjava.nio.ByteBuffer;
importjava.nio.CharBuffer;
importjavax.servlet.http.HttpServletRequest;
importjava.util.Set;
importjava.util.concurrent.CopyOnWriteArraySet;
importorg.apache.catalina.websocket.MessageInbound;
importorg.apache.catalina.websocket.StreamInbound;
importorg.apache.catalina.websocket.WsOutbound;
importorg.apache.catalina.websocket.WebSocketServlet;
publicclassSocketServerextendsWebSocketServlet{
privatestaticfinallongserialVersionUID=1L;
publicfinalSet<ChatWebSocket>users=newCopyOnWriteArraySet<ChatWebSocket>();
publicstaticintUSERNUMBER=1;
@Override
protectedStreamInboundcreateWebSocketInbound(Stringarg0,
HttpServletRequestarg1){
//TODOAuto-generatedmethodstub
returnnewChatWebSocket(users);
}
publicclassChatWebSocketextendsMessageInbound{
privateStringusername;
privateSet<ChatWebSocket>users=newCopyOnWriteArraySet<ChatWebSocket>();;
publicChatWebSocket(){
}
publicChatWebSocket(Set<ChatWebSocket>users){
this.users=users;
}
@Override
protectedvoidonTextMessage(CharBuffermessage)throwsIOException{
//这里处理的是文本数据
}
publicvoidonMessage(Stringdata){
String[]val1=data.split("\\t");
if(val1[0].equals("NAME"))
{
String[]val2=val1[1].split("_");
for(ChatWebSocketuser:users){
if(user.username.equals(val2[0])){
user.username=val2[1];
}
}
}
elseif(val1[0].equals("MSG"))
{
String[]val2=val1[1].split("_");
for(ChatWebSocketuser:users){
if(user.username.equals(val2[1])){
try{
CharBuffertemp=CharBuffer.wrap(data);
user.getWsOutbound().writeTextMessage(temp);
}catch(IOExceptione){
//TODOAuto-generatedcatchblock
e.printStackTrace();
}
}
}
}
else
{
System.out.println("ERROR");
}
}
@Override
protectedvoidonOpen(WsOutboundoutbound){
//this.connection=connection;
this.username="#"+String.valueOf(USERNUMBER);
USERNUMBER++;
try{
Stringmessage="NAME"+"\t"+this.username;
CharBufferbuffer=CharBuffer.wrap(message);
this.getWsOutbound().writeTextMessage(buffer);
}catch(IOExceptione){
//TODOAuto-generatedcatchblock
e.printStackTrace();
}
users.add(this);
}
@Override
protectedvoidonClose(intstatus){
users.remove(this);
}
@Override
protectedvoidonBinaryMessage(ByteBufferarg0)throwsIOException{
}
}
}
=================7楼=====================
定时刷新也行，省资源
=================8楼=====================
该回复于2016-05-25 16:48:10被管理员删除
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=================10楼=====================
SignalR
http://http://www.zjjv.com///translate/websocket-libraries-comparison-2
如果您还有更好的解决方法,请在最下面评论中留下您的解决方法
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