Java²Ù×÷ExcelµÄ¹¤¾ßÀà
public class ExcelUtil {
/*
* ¸ù¾ÝExcelÎļþ·¾¶ºÍ±íµ¥Ãû³Æ£¬Ò»´Î²éÕÒ´Ë±íµ¥µÄËùÓмǼ*/
public static String[][] getContentByName(String sourcePath,String sheetName){
String[][] strArray = null;
try {
InputStream is = new FileInputStream(sourcePath);
Workbook wb = Workbook.getWorkbook(is);
String[] sheetNames=wb.getSheetNames();
for(String name:sheetNames){
if(name.equalsIgnoreCase(sheetName)){
Sheet sheetObject=wb.getSheet(name);
strArray = new String[sheetObject.getRows()][sheetObject.getColumns()];
for(int i=0;i
Ïà¹ØÎĵµ£º
1. MySQL(http://www.mysql.com)mm.mysql-2.0.2-bin.jar ;
Class.forName( "org.gjt.mm.mysql.Driver" );
cn = DriverManager.getConnection( "jdbc:mysql://MyDbComputerNameOrIP:3306/myDatabaseName", sUsr, sPwd );
2. PostgreSQL(http://www.de.postgresql.org)pgjdbc2.jar ;
Class.forName( "org.postgresql. ......
ÒÔǰÓùý¼¸´ÎÕâ¸ö¶«¶«£¬µ«Ã¿´Î¶¼ÖØÐ²éѯһ´Î¡£±¾ÎÄÔʼ³ö´¦ÊÇÕâÀï ¡£
£££££££££££££££££££££££££££££££££££££££££££££££££££££££££££
Keytool ÊÇÒ»¸öJava Êý¾ÝÖ¤ÊéµÄ¹ÜÀí¹¤¾ß ,Keytool ½«ÃÜÔ¿£¨key£©ºÍÖ¤Ê飨certificates£©´æÔÚÒ»¸ö³ÆÎªkeystoreµÄÎļþÖÐÔÚk ......
Action×¢½âÅäÖÃ
ʹÓ÷½Ê½ÈçÏ£º
Java´úÂë
@ParentPackage(value="struts-default")
@Namespace(value="/test")
@Result(name="success",value="/userSuc.jsp")
@Results({
@Result(name="success",value="/userSu ......
ÒòΪ³ÌÐòÒª´ÓÊý¾Ý¶ÁÈ¡½ü10WÐмǼ´¦Àí£¬µ±¶Áµ½9WµÄʱºò¾Í³öÏÖ java.lang.OutOfMemoryError: Java heap space ÕâÑùµÄ´íÎó¡£
ÔÚÍøÉÏÒ»²é¿ÉÄÜÊÇJAVAµÄ¶ÑÕ»ÉèÖÃ̫СµÄÔÒò¡£
¸ú¾ÝÍøÉϵĴ𰸴óÖÂÓÐÕâÁ½ÖÖ½â¾ö·½·¨£º
1¡¢ÉèÖû·¾³±äÁ¿
set JAVA_OPTS= -Xms32m -Xmx512m
¿ÉÒÔ¸ù¾Ý×Ô¼º»úÆ÷µÄÄÚ´æ½øÐиü¸Ä,µ«±¾È˲âÊÔÕâÖÖ· ......
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class RunDosCommand {
public static void main(String[] args) throws IOException {
String cmd = "ipconfig";
R ......