DWRÖÐJava·½·¨µÄ²ÎÊý¼°·µ»ØÖµ
DWRʹÓÃÆª
1¡¢µ÷ÓÃûÓзµ»ØÖµºÍ²ÎÊýµÄJava·½·¨
1.1¡¢dwr.xmlµÄÅäÖÃ
Xml´úÂë
<dwr>
<allow>
<create creator="new" javascript="testClass" >
<param name="class" value="com.dwr.TestClass" />
<include method="testMethod1"/>
</create>
</allow>
</dwr>
<dwr>
<allow>
<create creator="new" javascript="testClass" >
<param name="class" value="com.dwr.TestClass" />
<include method="testMethod1"/>
</create>
</allow>
</dwr>
<allow> ±êÇ©ÖаüÀ¨¿ÉÒÔ±©Â¶¸ø javascript ·ÃÎʵĶ«Î÷¡£
<create> ±êÇ©ÖÐÖ¸¶¨ javascript ÖпÉÒÔ·ÃÎ浀 java À࣬²¢¶¨Òå DWR Ó¦µ±ÈçºÎ»ñµÃÒª½øÐÐÔ¶³ÌµÄÀàµÄʵÀý¡£ creator="new" ÊôÐÔÖ¸¶¨ java ÀàʵÀýµÄÉú³É·½Ê½£¬ new Òâζ×Å DWR Ó¦µ±µ÷ÓÃÀàµÄĬÈϹ¹Ô캯ÊýÀ´»ñµÃʵÀý£¬ÆäËûµÄ»¹ÓÐ spring ·½Ê½£¬Í¨¹ýÓë IOC ÈÝÆ÷ Spring ½øÐм¯³ÉÀ´»ñµÃʵÀýµÈµÈ¡£ javascript=" testClass " ÊôÐÔÖ¸¶¨ javascript ´úÂë·ÃÎʶÔÏóʱʹÓõÄÃû³Æ¡£
<param> ±êǩָ¶¨Òª¹«¿ª¸ø javascript µÄ java ÀàÃû¡£
<include> ±êǩָ¶¨Òª¹«¿ª¸ø javascript µÄ·½·¨¡£²»Ö¸¶¨µÄ»°¾Í¹«¿ªËùÓз½·¨¡£
<exclude> ±êǩָ¶¨Òª·ÀÖ¹±»·ÃÎʵķ½·¨¡£
1.2¡¢javascriptÖе÷ÓÃ
Ê×ÏÈ£¬ÒýÈë javascript ½Å±¾
Js´úÂë
<script src='dwr/interface/ testClass.js'></script>
<script src='dwr/engine.js'></script>
<script src='dwr/util.js'></script>
<script src='dwr/interface/ testClass.js'></script>
<script src='dwr/engine.js'></script>
<script src='dwr/util.js'></script>
ÆäÖÐ TestClass.js ÊÇ dwr ¸ù¾ÝÅäÖÃÎļþ×Ô¶¯Éú³ÉµÄ£¬ engine.js ºÍ util.js ÊÇ dwr ×Ô´øµÄ½Å±¾Îļþ¡£
Æä´Î£¬±àдµ÷Óà java ·½·¨µÄ javascript º¯Êý
Js´úÂë
Function callTestMethod1(){ &n
Ïà¹ØÎĵµ£º
1. ÈçºÎµÃµ½JavaÓ¦ÓóÌÐòµÄ¿ÉÓÃÄڴ棿
´ð£ºÈçÏ´úÂëʵÏÖÈ¡µÃ×ܵÄÄÚ´æ´óСºÍ¿ÉÓÃÄÚ´æ´óС£¬²¢´òÓ¡µ½¿ØÖÆÌ¨ÉÏ
public class MemoryExp {
public static void main(String[] args) {
System.out.println("Total Memory"+Runtime.getRuntime().totalMemory());
System.out.println("Free Memory ......
×î½ü¿´µ½Ò»¸öÓÐÒâ˼µÄÊ÷Ðνṹ£¬ÎªÃ¿¸ö½ÚµãÌí¼ÓÁËlft
ºÍ
rgt
Á½¸öÊôÐÔ¡£ÕâÑù²éÕҸýڵãµÄ×ӽڵ㡢
²éÕҸýڵãËùÓи¸½Úµã£¬¾Í²»ÓÃÈ¥µÝ¹é²éѯ£¬Ö»ÐèÒªÓÃ
between
¡¢
and
Óï¾ä¾Í¿ÉÒÔʵÏÖ¡£ÏÂÃæÒÔ´´½¨Ò»¸öÀ¸Ä¿Ê÷ΪÀý£¬ÒÔÏÂÊÇÎÒµÄÀí½â¡£
¡¡¡¡Ò»°ãÀ´½²£¬ÎÒÃÇ´´½¨À¸Ä¿Ê÷µÄʱºò£¬´ó¶àÖ»ÐèÒªÒ»¸öÍâ¼üparentid
À´Çø·Ö¸Ã½Úµã ......
try {
String source = "xxx.xls";
InputStream is = new FileInputStream(source);
Workbook rwb = Workbook.getWorkbook(is);
Sheet sheet = rwb.getSheet(0);
for (int i = 1; i < sheet.getRows(); i++) {
for (int j = 1; j < sheet.getColumns(); j++) {
//»ñȡָ¶¨µ¥Ôª¸ñ ......
JavaÁìÓòµÄ¼´Ê±Í¨ÐŵĽâ¾ö·½°¸¿ÉÒÔ¿¼ÂÇopenfire+spark+smack¡£µ±È»Ò²ÓÐÆäËûµÄÑ¡Ôñ¡£
¡¡¡¡OpenfireÊÇ»ùÓÚJabberÐÒé(XMPP)ʵÏֵļ´Ê±Í¨ÐÅ·þÎñÆ÷¶Ë°æ±¾£¬Ä¿Ç°½¨ÒéʹÓÃ3.6.4°æ±¾£¬Õâ¸ö°æ±¾Êǵ±Ç°×îеİ汾£¬¶øÇÒÍøÉÏ¿ÉÒÔÕÒµ½ÏÂÔØµÄÔ´´úÂë¡£
¡¡¡¡¼´Ê±Í¨Ðſͻ§¶Ë¿ÉʹÓÃspark2.5.8,Õâ¸ö°æ±¾ÊÇĿǰ×îеÄrelease°æ±¾£¬¾¹ý²âÊÔ· ......
ÔÚ Java ÀíÂÛºÍʵ¼ù µÄ ǰһÆÚÎÄÕ ÖУ¬Java™ Çå½à¹¤³Ìʦ Brian Goetz ̽¾¿ÁËÈõÒýÓã¨weak references£©£¬ËüÈÃÄú¾¯¸æÀ¬»øÊÕ¼¯Æ÷£¬ÄúÏëҪά»¤Ò»¸ö¶ÔÏóµÄÒýÓ㬶ø²»»á×èÖ¹¸Ã¶ÔÏó±»À¬»øÊÕ¼¯¡£ÔÚ±¾ÆÚÎÄÕÂÖУ¬Ëû½«½âÊÍ Reference ¶ÔÏóµÄÁíÍâÒ»ÖÖÐÎʽ£¬¼´ÈíÒýÓã¨soft references£©£¬ÓÃÓÚ°ïÖúÀ¬»øÊÕ¼¯Æ÷¹ÜÀíÄÚ´æÊ¹ÓúÍÏû³ýÇ ......