📄 fat文件系统原理(二).htm
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0048)http://www.sjhf.net/Article_Show.asp?ArticleID=3 -->
<HTML><HEAD><TITLE>FAT文件系统原理(二)</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<STYLE type=text/css>A {
TEXT-DECORATION: none
}
A:hover {
COLOR: #ff00ff
}
A:link {
COLOR: #205064
}
A:visited {
COLOR: #205064
}
BODY {
SCROLLBAR-FACE-COLOR: #f7fef6; FONT-SIZE: 9pt; BACKGROUND: url(Skin/2/bg01.gif) center 50%; SCROLLBAR-HIGHLIGHT-COLOR: #b4c4d4; SCROLLBAR-SHADOW-COLOR: #b4c4d4; COLOR: #000000; SCROLLBAR-3DLIGHT-COLOR: #f7fef6; SCROLLBAR-ARROW-COLOR: #ff0000; SCROLLBAR-TRACK-COLOR: #f7fef6; FONT-FAMILY: 宋体; SCROLLBAR-DARKSHADOW-COLOR: #cdcbe2; TEXT-DECORATION: none
}
TD {
FONT-SIZE: 9pt; COLOR: #003366; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体
}
INPUT {
BORDER-RIGHT: #b2c2d7 1px solid; BORDER-TOP: #b2c2d7 1px solid; FONT-SIZE: 9pt; BORDER-LEFT: #b2c2d7 1px solid; COLOR: #205064; BORDER-BOTTOM: #b2c2d7 1px solid; HEIGHT: 18px; BACKGROUND-COLOR: #dfe6ee
}
BUTTON {
FONT-SIZE: 9pt; HEIGHT: 20px
}
SELECT {
FONT-SIZE: 9pt; HEIGHT: 20px
}
.border {
BORDER-RIGHT: #ffffff 1px solid; BORDER-TOP: #ffffff 1px solid; BACKGROUND: #edf1f6; BORDER-LEFT: #ffffff 1px solid; BORDER-BOTTOM: #ffffff 1px solid
}
.border2 {
BACKGROUND: #dfe6ee; BORDER-BOTTOM: #b2c2d7 1px solid
}
.title_txt {
BACKGROUND: #000000
}
.title {
BACKGROUND: url(Skin/2/title_left.gif); HEIGHT: 22px
}
.tdbg {
BACKGROUND: #dfe6ee
}
.txt_css {
BACKGROUND: url(Skin/2/txt_css.gif); HEIGHT: 36px
}
.title_lefttxt {
FILTER: DropShadow(Color=#ffffff, OffX=1, OffY=1, Positive=1); COLOR: #333333
}
.title_left {
BACKGROUND: url(Skin/2/title_left.gif); HEIGHT: 22px
}
.tdbg_left {
BACKGROUND: #dfe6ee
}
.title_left2 {
BACKGROUND: #dfe6ee
}
.tdbg_left2 {
}
.tdbg_leftall {
BORDER-RIGHT: #b2c2d7 1px solid; BACKGROUND: #dfe6ee
}
.title_maintxt {
FILTER: DropShadow(Color=#ffffff, OffX=1, OffY=1, Positive=1); COLOR: #000000
}
.title_main {
BACKGROUND: url(Skin/2/title_main.gif); HEIGHT: 22px
}
.tdbg_main {
BACKGROUND: url(Skin/2/tdbg_main2.GIF); LINE-HEIGHT: 100%
}
.title_main2 {
BACKGROUND: url(Skin/2/maintop.gif); HEIGHT: 202px
}
.tdbg_main2 {
BACKGROUND: url(Skin/2/tdbg_main3.GIF); HEIGHT: 27px
}
.tdbg_mainall {
BACKGROUND: url(Skin/2/kt01-p1.GIF)
}
.title_righttxt {
FILTER: DropShadow(Color=#ffffff, OffX=1, OffY=1, Positive=1); COLOR: #333333
}
.title_right {
BACKGROUND: url(Skin/2/title_left.gif); HEIGHT: 22px
}
.tdbg_right {
BACKGROUND: #ffffff
}
.title_right2 {
BACKGROUND: url(Skin/2/title_main1.gif); HEIGHT: 22px
}
.tdbg_right2 {
BACKGROUND: url(Skin/2/title_main2.gif); HEIGHT: 22px
}
.tdbg_rightall {
BACKGROUND: #b4c4d4
}
.topborder {
BACKGROUND-IMAGE: url(Skin/2/topborder.gif)
}
.nav_top {
BACKGROUND-IMAGE: url(Skin/2/nav_top.gif); HEIGHT: 25px
}
.nav_main {
BACKGROUND: url(Skin/2/nav_main.jpg); LINE-HEIGHT: 150%; HEIGHT: 125px
}
.nav_bottom {
BACKGROUND-IMAGE: url(Skin/2/bottombg_2.gif)
}
.nav_menu {
BACKGROUND: url(Skin/2/nav_menu.gif); HEIGHT: 24px
}
.menu {
BORDER-RIGHT: 1px; BORDER-TOP: 1px; BORDER-LEFT: 1px; WIDTH: 90%; BORDER-BOTTOM: 1px; BACKGROUND-COLOR: #b2c2d7
}
TD.MenuBody {
BACKGROUND-COLOR: #f6f6f6
}
</STYLE>
<SCRIPT language=JavaScript type=text/JavaScript>
function HideMenu()
{
}
</SCRIPT>
<SCRIPT language=JavaScript1.2 src="FAT文件系统原理(二).files/stm31.js"
type=text/javascript></SCRIPT>
<SCRIPT language=JavaScript type=text/JavaScript>
//双击鼠标滚动屏幕的代码
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",30);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize
</SCRIPT>
<SCRIPT language=JavaScript type=text/JavaScript>
<!--
function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
</SCRIPT>
<!-- <body leftmargin=0 topmargin=0 onmousemove='HideMenu()' oncontextmenu="return false" ondragstart="return false" onselectstart ="return false" onselect="document.selection.empty()" oncopy="document.selection.empty()" onbeforecopy="return false" onmouseup="document.selection.empty()">
-->
<META content="MSHTML 6.00.2800.1400" name=GENERATOR></HEAD>
<BODY onmousemove=HideMenu() leftMargin=0 topMargin=0><!-- <noscript><iframe src=*></iframe></noscript>
-->
<DIV id=menuDiv
style="Z-INDEX: 1000; VISIBILITY: hidden; WIDTH: 1px; POSITION: absolute; HEIGHT: 1px; BACKGROUND-COLOR: #9cc5f8"></DIV>
<TABLE class=tdbg cellSpacing=0 cellPadding=0 width=760 align=center border=0>
<TBODY>
<TR class=nav_top>
<TD>
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
<TBODY>
<TR>
<TD> </TD>
<TD class=title_maintxt width=600>| <A
href="http://www.sjhf.net/Index.asp"
target=_blank>站点首页</A> | <A
href="http://www.sjhf.net/Article_Index.asp"><FONT
color=red>技术资料</FONT></A> | <A
href="http://www.sjhf.net/Soft_Index.asp"
target=_blank>下载中心</A> | <A
href="http://www.sjhf.net/guestbook.asp"
target=_blank>留言簿</A> | <A
href="http://www.sjhf.net/bbs/index.asp"
target=_blank>进入论坛</A> | </TD></TR></TBODY></TABLE></TD></TR>
<TR>
<TD>
<TABLE cellSpacing=0 cellPadding=0 width="100%" align=center>
<TBODY>
<TR>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -