JavaScript Access´úÂë²Î¿¼
///ÏÂÃæÊǶÔAccessµÄÁ´½Ó
function getCountfromDB() {
//ÒÔµ±Ç°Ò³ÃæÎļþΪ»ù´¡£¬ÕÒµ½ÎļþËùÔڵľø¶Ô·¾¶¡£
var filePath = location.href.substring(0, location.href.indexOf("Cnt.htm"));
var path = filePath + "MyData.mdb";
//È¥µô×Ö·û´®ÖÐ×îÇ°ÃæµÄ"files://"Õâ8¸ö×Ö·û¡£
path = path.substring(8);
var updateCnt = 0;
//Éú³É²éѯºÍ¸üÐÂÓõÄsqlÓï¾ä¡£
var sqlSelCnt = "SELECT COUNT from [COUNT] WHERE ID = 'count'";
var sqlUpdCnt = "UPDATE [COUNT] SET [COUNT] = '";
//½¨Á¢Á¬½Ó£¬²¢Éú³ÉÏà¹Ø×Ö·û´®
var con = new ActiveXObject("ADODB.Connection");
con.Provider = "Microsoft.Jet.OLEDB.4.0";
con.ConnectionString = "Data Source=" + path;
con.open;
//rs¼Ç¼±íµÄ½¨Á¢
var rs = new ActiveXObject("ADODB.Recordset");
rs.open(sqlSelCnt, con);
while (!rs.eof) {
var cnt = rs.Fields("COUNT");
document.write(cnt);
//½«È¡µÃ½á¹û¼Ó1ºó¸üÐÂÊý¾Ý¿â¡£
updateCnt = cnt * 1 + 1;
rs.moveNext;
}
rs.close();
rs = null;
sqlUpdCnt = sqlUpdCnt + updateCnt + "'";
con.execute(sqlUpdCnt);
con.close();
con = null;
}
//ÏÂÃæÊÇÓëÎı¾½¨Á¢ÁªÏµ
function getCountfromTxt() {
var filePath = location.href.substring(0, location.href.indexOf("Cnt.htm"));
var path = filePath + "count.txt";
path = path.substring(8);
var nextCnt = 0;
&
Ïà¹ØÎĵµ£º
<html>
<head>
<mce:script type="text/javascript"><!--
function aaa()
{
alert("oh no");
window.location="http://community.csdn.net/";
}
// --></mce:script>
</head>
<body onload = aaa();>
< ......
Òý×Ó
±à³ÌÊÀ½çÀïÖ»´æÔÚÁ½ÖÖ»ù±¾ÔªËØ£¬Ò»¸öÊÇÊý¾Ý£¬Ò»¸öÊÇ´úÂë¡£±à³ÌÊÀ½ç¾ÍÊÇÔÚÊý¾ÝºÍ´úÂëǧ˿ÍòÂÆµÄ¾À²øÖгÊÏÖ³öÎÞÏÞµÄÉú»úºÍ»îÁ¦¡£
Êý¾ÝÌìÉú¾ÍÊÇÎľ²µÄ£¬×ÜÏë±£³Ö×Ô¼º¹ÌÓеı¾É«£»¶ø´úÂëÈ´ÌìÉú»îÆÃ£¬×ÜÏë¸Ä±äÕâ¸öÊÀ½ç¡£
Äã¿´£¬Êý¾Ý´úÂë¼äµÄ¹ØÏµÓëÎï ......
1ÅжÏselectÑ¡ÏîÖÐ ÊÇ·ñ´æÔÚValue="paraValue"µÄItem
2ÏòselectÑ¡ÏîÖÐ ¼ÓÈëÒ»¸öItem
3´ÓselectÑ¡ÏîÖРɾ³ýÒ»¸öItem
4ɾ³ýselectÖÐÑ¡ÖеÄÏî
5ÐÞ¸ÄselectÑ¡ÏîÖÐ value="paraValue"µÄtextΪ"paraText"
6ÉèÖÃselectÖÐtext="paraText"µÄµÚÒ»¸öItemΪѡÖÐ
7ÉèÖÃselectÖÐvalue="paraValue"µÄItemΪѡÖÐ
8µÃµ½selectµ ......
var arr=['a','b','c'];
¡¡¡¡ÈôҪɾ³ýÆäÖеÄ'b',ÓÐÁ½ÖÖ·½·¨£º
¡¡¡¡1.delete·½·¨:delete arr[1]
¡¡¡¡ÕâÖÖ·½Ê½Êý×鳤¶È²»±ä,´Ëʱarr[1]±äΪundefinedÁË,µ«ÊÇÒ²Óкô¦ÔÀ´Êý×éµÄË÷ÒýÒ²±£³Ö²»±ä,´ËʱҪ±éÀúÊý×éÔªËØ¿ÉÒÔ²ÅÓÃ
¡¡¡¡for(index in arr)& ......
JavaScript ÓÐÁùÖÖÊý¾ÝÀàÐÍ¡£Ö÷ÒªµÄÀàÐÍÓÐ number¡¢string¡¢object ÒÔ¼° Boolean ÀàÐÍ,ÆäËûÁ½ÖÖÀàÐÍΪ null ºÍ undefined¡£
¡¡¡¡ String ×Ö·û´®ÀàÐÍ:×Ö·û´®ÊÇÓõ¥ÒýºÅ»òË«ÒýºÅÀ´ËµÃ÷µÄ¡££¨Ê¹Óõ¥ÒýºÅÀ´ÊäÈë°üº¬ÒýºÅµÄ×Ö·û´®¡££©È磺“The cow jumped over the moon.”
ÊýÖµÊý¾ÝÀàÐÍ£ºJavaScript Ö§³ÖÕûÊýºÍ¸¡µã ......