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请求高手,把这个主力资金线金叉散户资金线的预警公式,改成30分钟金叉时候就会出现预警的通达信指标预警
admin2024-04-29人已围观
一、请求高手,把这个主力资金线金叉散户资金线的预警公式,改成30分钟金叉时候就会出现预警的通达信指标预警
C1:=C#MIN30;H1:=H#MIN30;L1:=L#MIN30;
VAR1:=(C1*2+H1+L1)/4;
VAR2:=EMA(VAR1,13)-EMA(VAR1,34);
VAR3:=EMA(VAR2,5);
散户资金线:=(-2)*(VAR2-VAR3)*3.8;
主力资金线:=2*(VAR2-VAR3)*3.8;
XG:CROSS(主力资金线,散户资金线);
二、求助啊,websocket,连不上
WS遇两问题: : 描述:能够功连并调用onopen并且能够收服务器推送消息send发送数据提示连接关闭1002:An unrecoverable IOException occurred so the connection was closed 环境:window7+chrome/360浏览器 websocket初始化: function WS(u, messageF) { var ws = null; var url = 'ws://localhost:8080/Auction/websocket'; if ('WebSocket' in window) { ws = new WebSocket(url); } else if ('MozWebSocket' in window) { ws = new MozWebSocket(url); } ws.onmessage = function(m) { messageF(m.data); }; ws.onopen = function() { messageF('Opened'); }; ws.onclose = function(e) { messageF(e.code + : + e.reason); }; ws.onerror = function(e) { for ( var p in e) { messageF(p + = + e[p]); } }; this.send = function(m) { ws.send(m); }; } 服务器WS: public void onOpen(Session session, EndpointConfig conf) { this.session = session; RemoteEndpoint.Basic remoteEndpointBasic = session.getBasicRemote(); session.addMessageHandler(new WSMessageHandler(remoteEndpointBasic)); String message = String.format(* %s %s, nickname, has joined.); try { session.getBasicRemote().sendText(message);//条信息页面能收 } catch (Exception e) { } } public void onClose() { String message = String .format(* %s %s, nickname, has disconnected.); System.out.println(message); } public void onError(Throwable t){ System.out.println(t.toString()); }
三、一个页面有多个产品,ajax怎么实现点击每个产品就会有相应的价格变化?
给你个例子 <br>如:<br><select name="Train_class" size="1" id="leibie" onChange="ceshi()" style="width:200px;"><br><option value=1 selected>1</option><br><option value=2 selected>2</option><br></selert> <br>'AJAX返回的值 现在在ID = 'zhi' 里面<br> <samp id="zhi"></samp><br>调用方法<br><script language="javascript"><br>// JavaScript Document<br>var xmlhttp;<br>var boid;<br>function ceshi()<br>{<br> try{<br> xmlhttp=new XMLHttpRequest();<br> }catch(e){<br> xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");<br> }<br> var t = document.getElementById("leibie"); <br> var aaa= t.options[t.selectedIndex].value; <br> //创建请求结果处理程序<br> xmlhttp.onreadystatechange=getReady;<br> //打开连接,true表示异步提交<br> //alert("ceshi.asp?Bulletin_class="+aaa, true);<br> //传值 地址<br> xmlhttp.open("get", "ceshi.asp?Train_class="+aaa, true);<br> //当方法为post时需要如下设置http头<br> xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");<br> //发送数据<br> xmlhttp.send(null);<br>}<br><br>function getReady()<br>{<br> //alert(xmlhttp.responseText);<br> if (xmlhttp.readyState==4)<br> {<br> if (200==xmlhttp.status)<br> {<br> var Bodys=xmlhttp.responseText;<br> document.getElementById("zhi").innerHTML=Bodys;<br> //alert(Bodys);<br> }<br> else<br> {<br> //document.getElementById(boid).innerHTML="抱歉,装载数据失败";<br> }<br> }<br>}<br></script><br><br>测试页面 ceshi.asp<br>写接收个值,然后输出对应的价格就哦了
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