occhat_sendmsg.js

关于在线聊天的程序,类似于QQ聊天,希望大家喜欢

// JavaScript Document for send msg
function ocChat_sendMsg(sendUserId,reciveUserId,msgId){
	var sendObj=document.getElementById(sendUserId);
	var reciveObj=document.getElementById(reciveUserId);
	var msgObj=document.getElementById(msgId);
	var msg=msgObj.value;

	var sendUser=sendObj.innerHTML;
	var reciveUser=reciveObj.innerHTML;
	var url = "saveMsgs.asp?sendUser=" + escape(sendUser) + "&reciveUser=" + escape(reciveUser) + "&msg=" + escape(msg);
	xmlHttp.open("GET", url, true);
	xmlHttp.onreadystatechange = ocChat_sendReady;
	xmlHttp.send(null);	
}

function ocChat_sendReady(){
	if (xmlHttp.readyState == 4) {
		var response = xmlHttp.responseText;
		if(response=="100"){
			ocChat_onSent(ocChat_alertId);
		}
	}
}

function ocChat_insertMsg(tableId,msgContentId,alertId){
	ocChat_alertId=alertId;
	var tableObj=document.getElementById(tableId);
	var msgObj=document.getElementById(msgContentId);
	var hidemsgObj=document.getElementById("hide" + msgContentId);
	var divObj=tableObj.parentNode;
	var msg=msgObj.value;
	if(msg==""){return false;}
	try{
		var text=document.createTextNode(msg);
		var textHead=document.createTextNode("Me: ");
		var b=document.createElement("b");
		var td=document.createElement("td");
		var tr=document.createElement("tr");
		var tbody=document.createElement("tbody");
		b.appendChild(textHead);
		td.appendChild(b);
		td.appendChild(text);
		tr.appendChild(td);
		tbody.appendChild(tr);
		tableObj.appendChild(tbody);
		
		hidemsgObj.value=msgObj.value;
		msgObj.value="";
		msgObj.focus();
		divObj.scrollTop=divObj.scrollHeight;
		ocChat_onSending(alertId);
	}catch(exception){}
}