Java±à³Ì£ºÊµÀý·ÖÎöJ2MEÍøÂç±à³ÌµÄÁ½ÖÖ·½·¨
ºËÐÄÌáʾ£º±¾ÎÄÃèÊöÁËÔÚJ2meÖпª·¢Ö÷ҪʹÓõÄÍøÂçÁ¬½Ó·½·¨£¬·Ö±ðÏêϸ½éÉÜÁËʹÓÃhttpºÍsocketÁ½ÖÖ·½·¨¡£ HttpConnection Ê×ÏÈÎÒÃÇÏÈÀ´¿´Ò»¸ö¼òµ¥µÄÀý×Ó°É£º Ö÷ÒªÓõ½µÄjava°ü£º javax.microedition.io.*; public String requestGET(String URLString,String URL) throws
±¾ÎÄÃèÊöÁËÔÚJ2meÖпª·¢Ö÷ҪʹÓõÄÍøÂçÁ¬½Ó·½·¨£¬·Ö±ðÏêϸ½éÉÜÁËʹÓÃhttpºÍsocketÁ½ÖÖ·½·¨¡£
HttpConnection
Ê×ÏÈÎÒÃÇÏÈÀ´¿´Ò»¸ö¼òµ¥µÄÀý×Ó°É£º
Ö÷ÒªÓõ½µÄjava°ü£º
javax.microedition.io.*;
public¡¡String¡¡requestGET(String¡¡URLString,String¡¡URL)¡¡throws¡¡IOException{
//¡¡=====================================
//¡¡URLStringÊÇHTTPµØÖ·£¬URLΪºóÃæµÄ²ÎÊý
//¡¡ÕâÀïµÄÀý×ÓÊÇ·¢ËÍÓõÄÓû§ÃûºÍÃÜÂëµ½·þÎñÆ÷¶Ë½øÐÐÓû§ÑéÖ¤
//¡¡±ÈÈç¡¡String¡¡URLString¡¡=¡¡"http://192.168.0.1:8080/login.jsp";
//¡¡String¡¡URL¡¡=¡¡"?Name="+this.txtName+"&Pass="+this.txtPass
//¡¡=====================================
HttpConnection¡¡hpc¡¡=¡¡null;
DataInputStream¡¡dis¡¡=¡¡null;
boolean¡¡newline¡¡=¡¡false;
String¡¡content¡¡=¡¡"";
try{
//¡¡=====================================
//¡¡½¨Á¢Á¬½Ó
//¡¡=====================================
hpc¡¡=¡¡(HttpConnection)Connector.open(URLString+URL);
hpc.setRequestMethod(HttpConnection.GET);
dis¡¡=new¡¡DataInputStream(hpc.openInputStream());
int¡¡character;
//¡¡=====================================
//¡¡¶ÁÈ¡·µ»ØµÄHTTPÄÚÈÝ
//¡¡====================================
while((character¡¡=¡¡dis.read())¡¡!=¡¡-1){
if((char)character¡¡==¡¡'\\'){
newline¡¡=¡¡true;
continue;
}
else{
if((char)character¡¡=='n'&&¡¡newline){
content¡¡+="\n";
newline¡¡=¡¡false;
}
else¡¡if(newline){
content¡¡+="\\"¡¡+(char)character;
newline¡¡=¡¡false;
}
else{
content¡¡+=(char)character;
newline¡¡=¡¡false;
}
}
}
}
catch(IOException¡¡e){
System.out.print("ERROR:"+e);
}
finally{
if(hpc¡¡!=¡¡null){
hpc.close();
hpc¡¡=¡¡null;
}
if(dis¡¡!=¡¡null){
dis.close();
}
}
//¡¡====================================
//¡¡ÓÉÓÚÄÚÈÝ¿ÉÄÜÓÐÖÐÎÄ£¬ËùÒÔÔÚ½ÓÊܵ½ÐÅÏ¢ºóÒª¶ÔÄÚÈݽøÐÐ×Ö·û¼¯µÄת»»
//¡¡====
Ïà¹ØÎĵµ£º
±àдһ¸ö³ÌÐò£¬ÅжÏÒ»¸ö×Ö·û´®ÊÇ·ñÊǺϷ¨µÄJava±êʶ·û£»
//create string
import java.util.regex.*;
public class Split {
public static void main (String[] args) {
Pattern pattern = Pattern.compile("[,]");
String[] arrStr = pattern.split("abstract,break,byte,boole ......
½áºÏ±¾ÈËѧϰ¾ÑéºÍÍøÉÏÅàѵ»ú¹¹µÄ×ÊÁÏ£¬ÁгöjavaѧϰµÄ˳Ðò¡£
Ò»£ºJ2SE
¡ðÃæÏò¶ÔÏó£·â×°¡¢¼Ì³Ð¡¢¶à̬
¡ðÄÚ´æµÄ·ÖÎö
¡ðµÝ¹é
¡ð¼¯ºÏÀà¡¢·ºÐÍ¡¢×Ô¶¯´ò°üÓë½â°ü¡¢Annotation
¡ðIO
¡ð¶àÏ̡߳¢Ïß³Ìͬ²½
¡ðTCP/UDP
¡ðAWT¡¢Ê¼þÄ£ÐÍ¡¢ÄäÃûÀà
¡ðÕýÔò±í´ïʽ
¡ð·´Éä»úÖÆ
2£ºÊý¾Ý¿â£¨Oracle»òÕßMySQL£©
¡ðSQLÓï¾ä
......
jspÊä³ö¸ñʽ»¯ºóµÄÈÕÆÚ
<fmt:formatDate value="${whiteNumber.crtdate }" pattern="yyyy-MM-dd HH:mm:ss"/>
ÈçÊÇmodelÀïµÄlistÔÚactionÖÐÈ¡²»µ½Öµ¡£¿ÉÄÜÔÚ¸ÃmodelÖеÄlistµÄsetterºÍgetter·½Ê½ÖУ¬Ê¹ÓõĿÉÄÜÊÇlazy¼ÓÔØ£¬¸ÄΪEAGER¼´¿É¡£
<s:iterator>±êÇ©ÀﻹÓÐ<s:iterator>± ......
ÕâÆªÎÄ×ÖдµÄºÜºÃ£¬ÍƼö¸ø×Ô¼ººÍ´ó¼Ò£¡
ÊÂÎñ²ßÂÔ: Á˽âÊÂÎñÏÝÚå
ÔÚ Java ƽ̨ÖÐʵÏÖÊÂÎñʱҪעÒâµÄ³£¼û´íÎó
¼¶±ð£º Öм¶
Mark Richards, Ö÷¹ÜºÍ¸ß¼¶¼¼Êõ¼Ü¹¹Ê¦, Collaborative Consulting, LLC
2009 Äê 3 ÔÂ 06 ÈÕ
ÊÂÎñ´¦ÀíµÄÄ¿±êÓ¦¸ÃÊÇʵÏÖÊý¾ÝµÄ¸ß¶ÈÍêÕûÐÔºÍÒ»ÖÂÐÔ¡£±¾ÎÄÊÇΪ Java ƽ̨¿ª· ......
×î½ü¿´µ½µÄһƪÎÄÕ£¬¾õµÃдµÄͦºÃ£¬¾Íת¹ýÀ´ÒÔ±ã×Ô¼ºÀ´¿´¡£
¿´µ½ÂÛ̳ÀïÓиöÌû×ÓÔÚÌÖÂ۽ӿںͳéÏóÀàµÄÇø±ðºÍ×÷Óã¬ÕâÆäʵҲÊǺܶàÃæÊÔ¹Ùϲ»¶ÎʵÄÎÊÌ⣬ÕâÀïÎÒ¾Í˵˵ÎÒµÄ×ܽᣬ˳±ã˵˵ÄÚ²¿ÀàµÄ×÷Ó㬵±ÊǸø¸ÕÈëÃÅ£¬»òÕßÏëѧϰjavaµÄͬѧÃÇÄܸüºÃµÄÀí½âËüÃǵÄÓ÷¨¡£
1.½Ó¿Ú(interface)£¬½Ó¿Ú±»ÓÃÀ´½¨Á¢ÀàÓëÀàÖ®¼ä¹ØÁªµÄ±ê× ......