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2 import java.util.Scanner;
3 public class SortTest {
4 public static void main(String[] args) throws IOException {
5 int temp = 0;//临时å˜é‡åQŒç”¨äºŽå†’泡交æ?nbsp;
6 int[] num=new int[10]; //声明一个空的数¾l?nbsp; 10个长åº?/span>
7 Scanner sc = new Scanner(System.in);
8 FileOutputStream out=new FileOutputStream("1.txt");
9 PrintStream p=new PrintStream(out);
10 //开始åó@环赋å€?/span>
11 for(int i =0;i<num.length;i++){
12 num[i]=sc.nextInt();
13 }
14 p.append("排åºå‰äØ“:");
15 for (int i = 0; i <num.length; i++) {
16 System.out.println(num[i]);
17 p.append(num[i]+" , ");
18 }
19 // 用于排åº
20 for (int i = 0; i < num.length-1; i++) {
21 for (int j = 0; j < num.length - i - 1; j++) {
22 if (num[j] > num[j + 1]) {
23 temp = num[j];
24 num[j] = num[j + 1];
25 num[j + 1] = temp;
26 }
27 }
28 }
29 //输出文äšg
30 p.append("\n");
31 p.append("排åºåŽäØ“:");
32 // 循环输出
33 System.out.println("排åºåŽäØ“:");
34 for (int i = 0; i <num.length; i++) {
35 System.out.println(num[i]);
36 p.append(num[i]+" , ");
37 }
38
39
40 }
41 } 最åŽåº”该把p¾l™close了哈
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IE‹¹è§ˆå™?/p>
˜qžç®‹çš„英文嗽W¦å’Œé˜¿æ‹‰ä¼¯æ•°å?使用word-wrap: break-word ;或者word-break:break-all;实现强制æ–è¡Œ
html
<div id="wrap">abcdefghijklmnabcdefghijklmnabcdefghijklmn111111111</div>
css
#wrap{word-break:break-all; width:200px;}
或�
#wrap{word-wrap:break-word; width:200px;}
Firefox‹¹è§ˆå™?br /> ˜qžç®‹çš„英文嗽W¦å’Œé˜¿æ‹‰ä¼¯æ•°å—çš„æ–è¡Œ,Firefox的所有版本的没有解决˜q™ä¸ªé—®é¢˜,我们åªæœ‰è®©è¶…å‡ø™¾¹ç•Œçš„å—符éšè—或è€?¾l™å®¹å™¨æ·»åŠ 滚动æ¡
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<div id="wrap">abcdefghijklmnabcdefghijklmnabcdefghijklmn111111111</div>
css
#wrap{word-break:break-all; width:200px; overflow:auto;}
对于tableå…ƒç´
IE‹¹è§ˆå™?br />
1. 使用 table-layout:fixed;强制table的宽åº?多余内容éšè—<table style="table-layout:fixed" width="200"><tr><td>abcdefghigklmnopqrstuvwxyz1234567890ssssssssssssss</td></tr></table>
å¤åˆ¶ä»£ç 2. 使用 table-layout:fixed;强制table的宽åº?内层td,th采用word-break : break-all;或者word-wrap : break-word ;æ¢è¡Œ <table width="200" style="table-layout:fixed;"><tr><td width="25%" style="word-break : break-all; ">abcdefghigklmnopqrstuvwxyz 1234567890</td><td style="word-wrap : break-word ;">abcdefghigklmnopqrstuvwxyz 1234567890</td></tr></table>
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1. 使用 table-layout:fixed;强制table的宽åº?内层td,th采用word-break : break-all;或者word-wrap : break-word ;æ¢è¡ŒåQŒä‹É用overflow:hidden;éšè—‘…出内，˜q™é‡Œoverflow:auto;æ— æ³•èµ·ä½œç”?lt;table style="table-layout:fixed" width="200"><tr>
<td width="25%" style="word-break : break-all; overflow:hidden; ">abcdefghigklmnopqrstuvwxyz1234567890</td>
<td width="75%" style="word-wrap : break-word; overflow:hidden; ">abcdefghigklmnopqrstuvwxyz1234567890</td>
</tr></table>
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最佳CSS定义æ¢è¡Œä»£ç .wrap { table-layout:fixed; word-break: break-all; overflow:hidden; }
å¤åˆ¶ä»£ç 当然åQŒè¿™¿UçŽ°è±¡å‡ºçŽ°çš„å‡ çŽ‡å¾ˆå°åQŒä½†æ˜¯ä¸èƒ½æŽ’除网å‹çš„æ¶æžã€?
import java.io.*;
public class MyEclipseGen
{private static final String LL = "Decompiling this copyrighted software is a violation of both your license agreement and the Digital Millenium Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up to five years imprisonment for a first offense. Think about it; pay for a license, avoid prosecution, and feel better about yourself.";
public String getSerial(String userId, String licenseNum)
{java.util.Calendar cal = java.util.Calendar.getInstance();
cal.add(1, 3);
cal.add(6, -1);
java.text.NumberFormat nf = new java.text.DecimalFormat("000");
licenseNum = nf.format(Integer.valueOf(licenseNum));
String verTime = new StringBuilder("-").append(new java.text.
SimpleDateFormat("yyMMdd").format(cal.getTime())).append("0").
toString();
String type = "YE3MP-";
String need = new StringBuilder(userId.substring(0, 1)).append(type).
append("300").append(licenseNum).append(verTime).toString();
String dx = new StringBuilder(need).append(LL).append(userId).toString();
int suf = this.decode(dx);
String code = new StringBuilder(need).append(String.valueOf(suf)).
toString();
return this.change(code);
}
private int decode(String s)
{int i;
char[] ac;
int j;
int k;
i = 0;
ac = s.toCharArray();
j = 0;
k = ac.length;
while (j < k)
{i = (31 * i) + ac[j];
j++;
}
return Math.abs(i);
}
private String change(String s)
{byte[] abyte0;
char[] ac;
int i;
int k;
int j;
abyte0 = s.getBytes();
ac = new char[s.length()];
i = 0;
k = abyte0.length;
while (i < k)
{j = abyte0[i];
if ((j >= 48) && (j <= 57))
{j = (((j - 48) + 5) % 10) + 48;
} else if ((j >= 65) && (j <= 90))
{j = (((j - 65) + 13) % 26) + 65;
} else if ((j >= 97) && (j <= 122))
{j = (((j - 97) + 13) % 26) + 97;
}
ac[i] = (char) j;
i++;
}
return String.valueOf(ac);
}
public MyEclipseGen()
{super();
}
public static void main(String[] args)
{try
{System.out.println("please input register name:");
BufferedReader reader = new BufferedReader(new InputStreamReader(
System.in));
String userId = null;
userId = reader.readLine();
MyEclipseGen myeclipsegen = new MyEclipseGen();
String res = myeclipsegen.getSerial(userId, "20");
System.out.println("Serial:" + res);
reader.readLine();
} catch (IOException ex)
{}
}
}
é¢ï¼Œ˜q˜æœ‰åQŒMyEclipse6的下载地å€æ˜¯ï¼šè¯·ä‹É用迅雷下载。ã€?a >http://downloads.myeclipseide.com/downloads/products/eworkbench/6.0.1GA/MyEclipse_6.0.1GA_E3.3.1_FullStackInstaller.exe
import java.io.UnsupportedEncodingException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import sun.misc.BASE64Encoder;
public String EncoderByMd5(String str) throws NoSuchAlgorithmException, UnsupportedEncodingException {
//¼‹®å®šè®¡ç®—æ–ÒŽ³• MessageDigest md5=MessageDigest.getInstance("MD5"); BASE64Encoder base64en = new BASE64Encoder(); //åŠ å¯†åŽçš„å—符ä¸?/span> String newstr=base64en.encode(md5.digest(str.getBytes("utf-8"))); return newstr;
}2
if(rs.isAfterLast()==rs.isBeforeFirst()){3
out.print("您所查找的信æ¯ä¸å˜åœ¨åQŒè¯·¼‹®è®¤åŽå†æŸ¥æ‰¾!");4
}else{5
6
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2.解æžåQšæ‰€æœ‰è€…æƒé™ï¼šè¯Õd–ã€å†™å…¥ã€ä¸å¯æ‰§è¡Œï¼›æœ¬ç»„用户æƒé™åQšè¯»å–ã€ä¸å¯å†™å…¥ã€ä¸å¯æ‰§è¡Œï¼›å…¶ä»–用户æƒé™åQšè¯»å–ã€ä¸å¯å†™å…¥ã€ä¸å¯æ‰§è¡Œã€?br /> 3.两ç§æ–¹å¼åŽ»è§£æžæˆæ•°å—表示法：
3.1åQšr: 对应数å€? w: 对应数å€? xåQšå¯¹åº”æ•°å€?åQŒåˆ™åQ?+2+1=7/4+0+0=4/4+0+0=4åQ?44æƒé™
3.2åQšå°†å…¶è{æ¢æˆäºŒè¿›åˆ¶æ•°åQŒæœ‰å€¼å°±æ˜?åQŒæ²¡å€¼å°±æ˜?åQŒåˆ™åQ?10/100/100åQŒè{æ¢æˆåè¿›åˆÓž¼š110=7/100=4/110=4åQ?44æƒé™
Springçš„applicationContext.xmlæ–‡äšg
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<!-- 建立数æ®æº?-->
<bean >
<!-- æ•°æ®åº“驱动，我这里ä‹É用的是Mysqlæ•°æ®åº? -->
<property >
<value>com.mysql.jdbc.Driver</value>
</property>
<!-- æ•°æ®åº“地å€åQŒè¿™é‡Œä¹Ÿè¦æ³¨æ„一下编ç ，ä¸ç„¶ä¹Þq å¯æ˜¯å¾ˆéƒé—ïLš„å“¦ï¼ -->
<property >
<value>
jdbc:mysql://localhost:3306/tie?useUnicode=true&characterEncoding=utf-8
</value>
</property>
<!-- æ•°æ®åº“的用户å? -->
<property >
<value>root</value>
</property>
<!-- æ•°æ®åº“的密ç -->
<property >
<value>123</value>
</property>
</bean>
<!-- 把数æ®æºæ³¨å…¥¾l™Session工厂 -->
<bean
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property >
<ref bean="dataSource" />
</property>
<!-- é…ç½®æ˜ å°„æ–‡äšg -->
<property >
<list>
<value>com/alonely/vo/User.hbm.xml</value>
</list>
</property>
</bean>
<!-- 把Session工厂注入¾l™hibernateTemplate -->
<!-- 解释一下hibernateTemplateåQšhibernateTemplateæ供了很多方便的æ–ÒŽ³•åQŒåœ¨æ‰§è¡Œæ—¶è‡ªåŠ¨å¾ç«?HibernateCallback 对象åQŒä¾‹å¦‚：load()ã€get()ã€saveã€delete()½{‰æ–¹æ³•ã€?-->
<bean
class="org.springframework.orm.hibernate3.HibernateTemplate">
<constructor-arg>
<ref local="sessionFactory" />
</constructor-arg>
</bean>
<!-- 把DAO注入¾l™Session工厂 -->
<bean >
<property >
<ref bean="sessionFactory" />
</property>
</bean>
<!-- 把Service注入¾l™DAO -->
<bean >
<property >
<ref local="userDAO" />
</property>
</bean>
<!-- 把Action注入¾l™Service -->
<bean >
<property >
<ref bean="userService" />
</property>
</bean>
</beans>
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visible_hostname linuxserver
ä½ æƒ³è®©æ‰€æœ‰å‘˜å·¥ä»…åœ¨ä¸Šçæ—¶å¯ä¸Š¾|‘，而且ä¸å…è®?92.168.1.23˜q™å°ä¸ÀLœºä¸Šç½‘åQŒå¯ä»¥åŠ 入这æ ïLš„é…ç½®åQ?
# ž®†ä»¥ä¸‹ACLæ·ÕdŠ 到squid.confçš„ACLé…置部分
acl home_network src 192.168.1.0/24
acl business_hours time M T W H F 9:00-17:00
acl RestrictedHost src 192.168.1.23
# ž®†è¿™äº›å†…å®ÒŽ·»åŠ 到squid.confçš„http_accessé…置部分
http_access deny RestrictedHost
http_access allow home_network business_hours
ä½ åªæƒ›_œ¨æ—©æ™¨˜q™æ®µæ—‰™—´å…许员工讉K—®InternetåQ?
# ž®†ä»¥ä¸‹ACLæ·ÕdŠ 到squid.confçš„ACLé…置部分
acl mornings time 08:00-12:00
# ž®†è¿™äº›å†…å®ÒŽ·»åŠ 到squid.confçš„http_accessé…置部分
http_access allow mornings
Squid支æŒä»Žå¤–部读å–包å«æœ‰web站点或域åçš„æ–‡äšg˜q›è¡ŒACLé™åˆ¶ã€‚在下é¢çš„例åä¸åˆ›å¾äº†ä¸¤ä¸ªæ–‡ä»Óž¼Œ/etc/squid/allowed-sites.squidå’?etc/squid/restricted-sites.squidåQŒå¾ˆæ˜Žæ˜¾åQŒä¸€ä¸ªæ˜¯å…许讉K—®çš„ç«™ç‚ÒŽ–‡ä»Óž¼Œå¦ä¸€ä¸ªæ˜¯é™åˆ¶è®‰K—®ç«™ç‚¹æ–‡äšgã€?
# vi /etc/squid/allowed-sites.squid
www.163.com
www.yahoo.cn
# vi /etc/squid/restricted-sites.squid
www.sex.com
sex.com
然åŽé…置在工作时间å…许或é™åˆ¶è®‰K—®çš„ç›®æ ‡ç«™ç‚¹ï¼Œä»¥ä¸‹çš„ACLé…置和å‰é¢çš„略微ä¸åŒåQ?
#
# ž®†ä»¥ä¸‹ACLæ·ÕdŠ 到squid.confçš„ACLé…置部分
#
acl home_network src 192.168.1.0/24
acl business_hours time M T W H F 9:00-17:00
acl GoodSites dstdomain "/etc/squid/allowed-sites.squid"
acl BadSites dstdomain "/etc/squid/restricted-sites.squid"
#
# ž®†è¿™äº›å†…å®ÒŽ·»åŠ 到squid.confçš„http_accessé…置部分
#
http_access deny BadSites
http_access allow home_network business_hours GoodSites
æ ÒŽ®IP地å€é™åˆ¶Web讉K—®
˜q™ä¸ªACL讉K—®æŽ§åˆ¶åˆ—表å¯ä»¥é™åˆ¶æ•´ä¸ªä¸€ä¸ªç½‘ŒDµï¼ŒåŠŸèƒ½˜q˜æ˜¯å¾ˆå¼ºçš„ã€?
#
# ž®†ä»¥ä¸‹ACLæ·ÕdŠ 到squid.confçš„ACLé…置部分
#
acl home_network src 192.168.1.0/255.255.255.0
然åŽæ·ÕdŠ http_accesså…许˜q™ä¸ªACLåQ?
#
# ž®†è¿™äº›å†…å®ÒŽ·»åŠ 到squid.confçš„http_accessé…置部分
#
http_access allow home_network
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如果客户端连接网¾lœï¼Œž®±éœ€è¦åœ¨‹¹è§ˆå™¨è®¾¾|®Squid代ç†æœåŠ¡å™¨ï¼Œ˜q™æ˜¯ä»¶æ¯”较麻烦的工作åQŒè€Œä¸”代ç†æœåŠ¡å™¨çš„地å€æˆ–端å£æ›´æ¢ï¼Œæ¯å°æœåŠ¡å™¨éƒ½å¿…é¡»é‡æ–°è®„¡½®æ‰èƒ½ç”Ÿæ•ˆåQŒæƒ³è§£å†³˜q™ä¸ªé—®é¢˜åQŒå¯ä»¥ä‹É用é€æ˜Žä»£ç†çš„方法。é€æ˜Žä»£ç†ž®±æ˜¯ä½¿ç”¨iptables防ç«å¢™å°†squidçš?128端å£çš„请求全部è{å‘到HTTPçš?0端å£åQŒä»Žè€Œå®žçŽ°é€æ˜Žä»£ç†ã€?
2.6å†…æ ¸ç‰ˆæœ¬ä¹‹ä¸ŠåQšæ–°ç‰ˆæœ¬çš„squidåªéœ€è¦ä¿®æ”ÒŽˆå¦‚下的内容å³å¯ã€‚默认是“http_port 3128”åQŒè¦ž®†å…¶æ”¹äØ““http_port 3128 transparent”çš„åÅžå¼ï¼š
å¦å¤–˜q˜è¦é…ç½®iptables防ç«å¢?br /> 在下é¢ä¸¤ä¸ªä¾‹åä¸åQŒä½œä¸ºé˜²ç«å¢™çš„æœåŠ¡å™¨æœ‰ä¸¤å—网å¡ï¼Œ˜qžæŽ¥Internetçš„eth0和连接内¾|‘çš„eth1åQŒåŒæ—‰™˜²ç«å¢™ä¹Ÿæ˜¯å†…网的网兟ë€?
如果SquidæœåŠ¡å™¨å’Œé˜²ç«å¢™åœ¨ä¸€å°æœåŠ¡å™¨ä¸Šï¼Œé‚£ä¹ˆæ‰€æœ‰çš„HTTP80端å£çš„请求将转å‘到SquidæœåŠ¡çš„é…¾|®ç«¯å?128上ã€?
iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 80 -j REDIRECT --to-port 3128
iptables -A INPUT -j ACCEPT -m state --state NEW,ESTABLISHED,RELATED -i eth1 -p tcp --dport 3128
iptables -A OUTPUT -j ACCEPT -m state --state NEW,ESTABLISHED,RELATED -o eth0 -p tcp --dport 80
iptables -A INPUT -j ACCEPT -m state --state ESTABLISHED,RELATED -i eth0 -p tcp --sport 80
iptables -A OUTPUT -j ACCEPT -m state --state ESTABLISHED,RELATED -o eth1 -p tcp --sport 80
如果SquidæœåŠ¡å™¨å’Œé˜²ç«å¢™åœ¨ä¸åŒçš„æœåŠ¡å™¨ä¸Šï¼Œiptables的规则将有所ä¸åŒåQ?
iptables -t nat -A PREROUTING -i eth1 -s ! 192.168.1.100 -p tcp --dport 80 -j DNAT --to 192.168.1.100:3128
iptables -t nat -A POSTROUTING -o eth1 -s 192.168.1.0/24 -d 192.168.1.100 -j SNAT --to 192.168.1.1
iptables -A FORWARD -s 192.168.1.0/24 -d 192.168.1.100 -i eth1 -o eth1 -m state
--state NEW,ESTABLISHED,RELATED -p tcp --dport 3128 -j ACCEPT
iptables -A FORWARD -d 192.168.1.0/24 -s 192.168.1.100 -i eth1 -o eth1 -m state --state ESTABLISHED,RELATED -p tcp --sport 3128 -j ACCEPT
Squid的密ç 验è¯?br /> 1åQ?创å¾å¯†ç æ–‡äšg。密ç 和用户åå˜æ”‘Öœ¨/etc/squid/squid_passwdæ–‡äšgä¸ï¼Œòq‰™œ€è¦å°†˜q™ä¸ªæ–‡äšgçš„æƒé™è®¾¾|®äؓ其它用户åªè¯»ã€?
# touch /etc/squid/squid_passwd
# chmod o+r /etc/squid/squid_passwd
åQ?åQ‰ä‹É用htpasswdæ·ÕdŠ 用户åQŒåƈ讄¡½®å¯†ç ã€‚æ·»åŠ ç”¨æˆ·ä¸éœ€è¦å¯¹squid˜q›è¡Œé‡å¯æ“作åQŒæˆ‘创å¾çš„用户å是www
# htpasswd /etc/squid/squid_passwd www
New password:
Re-type password for user www
#
åQ?åQ‰æ‰¾åˆ°ncsa_auth命ä×o的具体佾|®ï¼ŒåŽé¢çš„é…¾|®éœ€è¦ç”¨åˆ°ç»å¯¹èµ\å¾?
# which ncsa_auth
/usr/sbin/ncsa_auth
åQ?åQ?然åŽæˆ‘们ž®Þp¦åœ¨squid.confæ–‡äšgä¸å®šä¹‰éªŒè¯ç¨‹åºäº†åQŒåˆ›å»ºå为ncsa_usersçš„ACLòq¶åŠ 入关键å—REQUIREDæ¥å¼ºåˆ¶è®©Squid使用NCSA验è¯æ–ÒŽ³•ã€?
#
# 在squid.confçš„auth_param部分æ·ÕdŠ 下列内容
#
auth_param basic program /usr/sbin/ncsa_auth /etc/squid/squid_passwd
#
# ž®†ä»¥ä¸‹ACLæ·ÕdŠ 到squid.confçš„ACLé…置部分
#
acl ncsa_users proxy_auth REQUIRED
#
# ž®†è¿™äº›å†…å®ÒŽ·»åŠ 到squid.confçš„http_accessé…置部分
#
http_access allow ncsa_users