jQueryƬ¶Î£º
var
// Will speed up references to window, and allows munging its name.
window = this,
// Will speed up references to undefined, and allows munging its name.
undefined,
// Map over jQuery in case of overwrite
_jQuery = window.jQuery,
// Map over the $ in case of overwrite
_$ = window.$,
jQuery = window.jQuery = window.$ = function( selector, context ) {
// The jQuery object is actually just the init constructor 'enhanced'
return new jQuery.fn.init( selector, context );
},
// A simple way to check for HTML strings or ID strings
// (both of which we optimize for)
quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
// Is it a simple selector
isSimple = /^.[^:#\[\.,]*$/;
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function AddDropDownList(id,fatherCtl)
{
if(!document.getElementById(id))
{
var ddl = document.createElement('select');
ddl.setAttribute("id",id);
if(fatherCtl&&document.getElementById(fatherCtl))
document.getElementById(fatherCtl).appendChild(ddl);
else
document.body.appendChild(ddl);
}
}
//ɾ³ýÖ¸¶¨µÄÏÂÀ¿ò
function RemoveDropDownList(id)
{
var ctl = document.getElementById(id);
if(ctl)
&nbs ......
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TO_DATE¸ñʽ(ÒÔʱ¼ä:2007-11-02 13:45:25ΪÀý)
Year:
yy two digits Á½Î»Äê ÏÔʾֵ:07
yyy three digits ÈýλÄê ÏÔʾֵ:007
yyyy four digits ËÄλÄê ÏÔʾֵ:2007
Month:
mm number Á½Î»Ô &nb ......
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41.SYSDATE
ÓÃÀ´µÃµ½ÏµÍ³µÄµ±Ç°ÈÕÆÚ
SQL> select to_char(sysdate,dd-mm-yyyy day) from dual;
TO_CHAR(SYSDATE,
-----------------
09-05-2004ÐÇÆÚÈÕ
trunc(date,fmt)°´ÕÕ¸ø³öµÄÒªÇó½«ÈÕÆÚ½Ø¶Ï,Èç¹ûfmt=mi±íʾ±£Áô·Ö,½Ø¶ÏÃëSQL> select to_char(trunc(sysdate,hh),yyyy.mm.dd hh24:mi:ss) hh, 2 to_char(trunc(sysdate,mi),yyyy.mm.dd hh24:mi:ss) hhmm from dual;
HH HHMM
------------------- -------------------
2004.05.09 11:00:00 2004.05.09 11:17:00
42.CHARTOROWID
½«×Ö·ûÊý¾ÝÀàÐÍת»»ÎªROWIDÀàÐÍ
SQL> select rowid,rowidtochar(rowid),ename from scott.emp;
ROWID ROWIDTOCHAR(ROWID) ENAME
------------------ ------------------ ----------
AAAAfKAACAAAAEqAAA AAAAfKAACAAAAEqAAA SMITH
AAAAfKAACAAAAEqAAB AAAAfKAACAAAAEqAAB ALLEN
......