<script language="JavaScript"> function GetResult() {/**--------------- GetResult() -----------------* GetResult() * 功能:通过XMLHTTP发送请求,返回结果. * 参数:str,字符串,发送条件.* 实例:GetResult(); *--------------- GetResult() -----------------* /var oBao = new ActiveXObject("Microsoft.XMLHTTP"); //特殊字符:+,%,&,=,?等的传输解决办法.字符串先用escape编码的. //Update:2004-6-1 12:22oBao.open("POST","Server.asp",false); oBao.send();//服务器端处理返回的是经过escape编码的字符串. var strResult = unescape(oBao.responseText); //将字符串分开.var arrResult = strResult.split("###");RemoveRow(); //删除以前的数据.//将取得的字符串分开,并写入表格中. for(var i=0;i<arrResult.length;i++){arrTmp = arrResult[i].split("@@@");num1 = arrTmp[0]; //字段num1的值num2 = arrTmp[1]; //字段num2的值row1 = tb.insertRow();cell1 = row1.insertCell();cell1.innerText = num1;cell2 = row1.insertCell();cell2.innerText = num2; }}function RemoveRow(){//保留第一行表头,其余数据均删除. var iRows = tb.rows.length;for(var i=0;i<iRows-1;i++) {tb.deleteRow(1);}}function MyShow(){//2秒自动刷新一次, 2秒取得一次数据.timer = window.setInterval("GetResult()",2000); }</script><body onload="MyShow()"><p></p><table width="47%" height="23" border="0" cellpadding="1" cellspacing="0" id="tb"><tr><td>num1</td><td>num2</td></tr></table> |
<% @Language="JavaScript" %> <%function OpenDB(sdbname) {/**--------------- OpenDB(sdbname) -----------------* OpenDB(sdbname) * 功能:打开数据库sdbname,返回conn对象. * 参数:sdbname,字符串,数据库名称.* 实例:var conn = OpenDB("database.mdb");*--------------- OpenDB(sdbname) -----------------*/var connstr = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source ="+Server.MapPath(sdbname);var conn = Server. CreateObject("ADODB.Connection");conn.Open(connstr); return conn;}var sResult = new Array();var oConn = OpenDB("data.mdb"); //特殊字符:+,%,&,=,?等的传输解决办法. 客户端字符是经过escape编码的//所以服务器端先要经过unescape解码. //Update:2004-6-1 12:22var sql = "select num1, num2 from nums order by id"; var rs = oConn.Execute(sql);while(!rs.EOF){ //一条记录用"###"隔开.每列数据用"@@@"隔开. 这是以只有两个列数据的情况.sResult[sResult.length] = rs("num1").Value + "@@@" + rs("num2").Valuers.MoveNext(); }//escape解决了XMLHTTP。中文处理的问题.Response. Write(escape(sResult.join("###")));%> |