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easyUI中datagrid和treegrid列表按纽重新渲染

JJCEA — Mon, 28 Apr 2014 04:57:00 GMT

摘要: 在onLoadSuccess�Ҏ��中加入以下代�?Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> $('.easyui-linkbutton').linkbutton({text:'查看',plain:true,iconCls:'icon-... 阅读全文

JJCEA 2014-04-28 12:57 发表评论

JJCEA — Fri, 21 Sep 2012 09:19:00 GMT

针对上面的角色�h员表如何用hibernate实现映射关系呢，因�ؓ此表中的两个字段是其它两表中主键�Q�在本表中即使是主键又是外键�Q�下面说明一下操作这张表�?br />�W�一步：首先生成员工信息表和角色��理表的javaBean�?hbm.xml文�g�Q�这个是单表�Q�这里不多讲�Q?br />            com.insigma.hr.eduj.ygxx.model.Ygxx.java�Q?br />            com.insigma.hr.eduj.ygxx.model.Ygxx.hbm.xml
            com.insigma.hr.eduj.jsgl.model.Jsgl.java,
            com.insigma.hr.eduj.jsgl.model.Jsgl.hbm.xml
            保证员工信息表和角色��理表能正常操作数据库（增，修，删，查）�Q?br />�W�二步：生成角色人员表对应的映射文�g如下�Q?br />            1).Jsry.hbm.xml文�g内容如下�Q?div style="padding: 4px 5px 4px 4px; border: 1px solid rgb(204, 204, 204); width: 98%; font-size: 13px; word-break: break-all; background-color: rgb(238, 238, 238);">xml version="1.0" encoding="utf-8"?>
DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
    <class name="com.insigma.hr.eduj.jsry.model.Jsry" table="jsry" catalog="hr">
        <composite-id name="id" class="com.insigma.hr.eduj.jsry.model.JsryId">
            <key-many-to-one name="jsgl" class="com.insigma.hr.eduj.jsgl.model.Jsgl">
                <column name="JSBH" />
            key-many-to-one>
            <key-many-to-one name="ygxx" class="com.insigma.hr.eduj.ygxx.model.Ygxx">
                <column name="YGBH" length="20" />
            key-many-to-one>
        composite-id>
    class>
hibernate-mapping>
   2).JsryId.java�q�个javabean中存放了两个属性分别对应员工信息和角色��理表的javabean对象�Q�内容如下：

public class JsryId  implements java.io.Serializable {
    private Jsgl jsgl;
    private Ygxx ygxx;
    public Jsgl getJsgl() {
        return jsgl;
    }
    public void setJsgl(Jsgl jsgl) {
        this.jsgl = jsgl;
    }
    public Ygxx getYgxx() {
        return ygxx;
    }
    public void setYgxx(Ygxx ygxx) {
        this.ygxx = ygxx;
    }
}

3�Q?Jsry.java�q�个javabean中只有一个属性，��是我们上面刚才新徏的JsryId�q�个�c�d��象；内容如下�Q?br />

public class Jsry implements java.io.Serializable {

// Constructors
private JsryId id;

/** default constructor */
public Jsry() {
}

/** full constructor */
public Jsry(JsryId id) {
this.id = id;
}

public JsryId getId() {
return id;
}

public void setId(JsryId id) {
this.id = id;
}
}

�W�三步：dao中方法如下：

public void save(Jsry jsry) {
  log.debug("saving Jsry instance");
  try {
   getHibernateTemplate().saveOrUpdate(jsry);
   log.debug("save successful");
  } catch (RuntimeException re) {
   log.error("save failed", re);
   throw re;
  }
}

public void delete(Jsry jsry) {
  log.debug("deleting Jsry instance");
  try {
   getHibernateTemplate().delete(jsry);
   log.debug("delete successful");
  } catch (RuntimeException re) {
   log.error("delete failed", re);
   throw re;
  }
}

public Jsry findById(com.insigma.hr.eduj.jsry.model.JsryId id) {
  log.debug("getting Jsry instance with id: " + id);
  try {
   Jsry instance = (Jsry) getHibernateTemplate().get(
     "com.insigma.hr.eduj.jsry.model.Jsry", id);
   return instance;
  } catch (RuntimeException re) {
   log.error("get failed", re);
   throw re;
  }
}

public List getJsgllist(String sql) {
  String sqls = "select t.* from Jsgl t where 1=1 " + sql;
  SQLQuery query = getHibernateTemplate().getSessionFactory()
    .getCurrentSession().createSQLQuery(sqls);
  query.addEntity("t", Jsry.class);
  List topList = query.list();
  return topList;
}

�W�四步：��试

public static void main(String[] args) {
  // TODO Auto-generated method stub
   ApplicationContext appContext = new FileSystemXmlApplicationContext("/src/applicationContext.xml");
      JsryService jsryService=(JsryService) appContext.getBean("jsryService");

  Jsry jsry = new Jsry();
  JsryId id = new JsryId();
  Jsgl jsgl = new Jsgl();
  jsgl.setJsbh(1);

  Ygxx ygxx = new Ygxx();
  ygxx.setYgbh("1");
  id.setYgxx(ygxx);
  id.setJsgl(jsgl);

  jsry.setId(id);
  jsryService.save(jsry);
}

JJCEA 2012-09-21 17:19 发表评论

struts2��面到action中date�c�d��自动转换

JJCEA — Thu, 20 Sep 2012 01:11:00 GMT

�W�一步：�~�写一个类�ȝ��承ognl.DefaultTypeConverter然后重写里面的public Object convertValue(Map context, Object value, Class toType)�Ҏ��Q?br />下面是例�?div style="padding: 4px 5px 4px 4px; border: 1px solid rgb(204, 204, 204); width: 98%; font-size: 13px; word-break: break-all; background-color: rgb(238, 238, 238);">package com.insigma.hr.comm;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;

import ognl.DefaultTypeConverter;

@SuppressWarnings("unchecked")
public class DateConverter extends DefaultTypeConverter {
    public Object convertValue(Map context, Object value, Class toType) {
        try {
            if (toType == Date.class) { // 如果惌��{换的是Date�c�d��时将做以下操�?br />                // 因�ؓ在Struts2里会表单传过来的非字�W�串数据转换为String[],所以这里得取第一个�?/span>
                String dataStr = ((String[]) value)[0];
                SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd"); // 转换��己想要日期格�?/span>
                return f.parse(dataStr);
            } else if (toType == String.class) {
                String dataStr = ((Date) value).toString();
                return dataStr;
            }
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;

    }
}
�W�二步：�?WEB-INF/classes文�g夹（src�Q�下创徏一个叫�Q�xwork-conversion.properties的文�?br /> �W�三步：在里面添加一句话 java.util.Date=com.insigma.hr.comm.DateConverter�Q�指上面新徏的类�Q��?br /> 然后重启�pȝ��OK了�? 那么在将数据提交到后台时�Q�便后自动的��对应的String�c�d��的数据�{换成Date�c�d��了�?

JJCEA 2012-09-20 09:11 发表评论

JJCEA — Fri, 06 Apr 2012 05:29:00 GMT

只有注册用户��d��后才能阅读该文�?a href='http://www.tkk7.com/senlin-blog/archive/2012/04/06/373461.html'>阅读全文

JJCEA 2012-04-06 13:29 发表评论

java调用webService例子

JJCEA — Tue, 18 Dec 2007 06:12:00 GMT

下蝲Axis.jar�?br />攑ֈ�C://lib目录�?�?�?

然后在控制台执行以下命��o
C:\lib
java -classpath ".;commons-logging-1.0.4.jar;axis.jar;commons-discovery-0.2.jar;jaxrpc.jar;wsdl4j-1.5.1.jar;
saaj.jar;activation.jar;mail.jar" org.apache.axis.wsdl.WSDL2Java -o "abcdefg"
http://10.10.10.111/WebService/ManageUsersService.asmx?wsdl
��׃��相应目录下生成相应的java�c?然后把这些类拷到你的工程目录�?
把Axis�?个包加入到工�E�中,��可以像一般类一栯��用WebService�?
调用�Ҏ��:

  ManageUsersService adcInterface = new ManageUsersServiceLocator();
  ManageUsersServiceSoap soap = adcInterface.getManageUsersServiceSoap();
  //以下��p��调用的方�?/span>
  int state = soap.getUserState("admin", "123456", "UC405297917");

�?要保�?a >http://10.10.10.111/WebService/ManageUsersService.asmx?wsdl
�?可以在浏览器中测试�?img src ="http://www.tkk7.com/senlin-blog/aggbug/168478.html" width = "1" height = "1" />

JJCEA 2007-12-18 14:12 发表评论

JJCEA — Mon, 19 Nov 2007 07:48:00 GMT

�W�一�?定义服务的配�|�文�?指定服务名和服务路径)

xml version = " 1.0 " encoding = " gb2312 " ?>

< service - config >

     < service name = " UserService " class = " com.xainfor.service.UserService " template = " normal " />
     < service name = " GnmkService " class = " com.xainfor.service.GnmkService " template = " normal " />
service - config >

�W�二�?�pȝ��初始化是��所有服务名和�\径加载到一个静态的HashMap�?br />

public class ServiceConfig {

     public static HashMap serviceMap = new HashMap();

     public static String getService(String serviceName) {
        String serviceClass = "" ;
        serviceClass = ServiceConfig.serviceMap.get(serviceName).toString();
         return serviceClass;
    }
}

�W�三�?定义一个接口类

public interface Service {
public void execute();
}

�W�四�?服务实例化类

public class ServiceExecuteHelper {

    /**
     * 日志处理
     */
    private static final MsgLogger logger = MsgLogger.getLogger();

     public static void execute(String servicename) {
         try {
            //验证服务是否存在
            String servicClass = ServiceConfig.getService(servicename);
            //如果服务存在��加载服务信�?/span>
            if (servicClass != null && !servicClass.equals("")) {
                Class classObject = Class.forName(servicClass);
                Service service = (Service) classObject.newInstance();
                service.execute();
            } else {
                logger.info("服务["+servicename+"]未定�?/span>");
            }
        } catch(Exception e) {
            logger.info("服务["+servicename+"]不存�?");
        }
     }
}

�W�五�?定义接具体服务�ƈ实现接口�c?br />

public class GnmkService implements Service {

    /* (non-Javadoc)
     * @see com.xainfor.service.Service#println()
     */
    public void execute() {
        // TODO Auto-generated method stub
        System.out.println("执行的是GnmkService");
    }

}

public class UserService implements Service {

    public void execute() {
        // TODO Auto-generated method stub
        System.out.println("执行的是UserService");

    }
}

�W�六�?��试�c?br />

public class testService {

    public static void main(String [] temp) {
      ServiceExecuteHelper.execute("UserService");
   }
}

JJCEA 2007-11-19 15:48 发表评论

JJCEA — Thu, 08 Nov 2007 03:32:00 GMT

     最新的oracle10g的driver�Q�已�l�解决了�q�些问题。我��目�?span style="COLOR: red">ojdbc14-10.2.0.3.0.jar�q�接oracle9i数据�?可以正常��d��CLOB�?br />         Hibernate存取Clob和Blob对象�Q�将 clob�?/font>string方式处理�?br />         Hibernate Annotations方式,只要映射成Lob�c�d��可以，对该字段的读写，��是一般的操作方式�?br />
        @Lob
    public String getTxt() {
        return txt;
    }

转此:http://www.tkk7.com/bluebillow/archive/2007/11/02/157775.html

JJCEA 2007-11-08 11:32 发表评论

JJCEA — Mon, 29 Oct 2007 07:37:00 GMT

document.getElementById('bt').innerText="赋�?;
�?bt 指textarea的id,不是name

JJCEA 2007-10-29 15:37 发表评论

��用��览器后退�Ҏ��

JJCEA — Tue, 21 Aug 2007 10:01:00 GMT

2007-08-20 13:00

��用��览器后退之方法比�?
history只有back forward和go�Ҏ��
history.length
改写以上�Ҏ��Q�没�?br />location.replace

在该��늚�头部加上

Response.Expires = 0
Response.ExpiresAbsolute = Now - 1
Response.AddHeader "progma", "no-cache"
Response.AddHeader "cache-control", "private"
Response.CacheControl = "no-cache"

使该��面讉K��?后退卛_��?br />

JJCEA 2007-08-21 18:01 发表评论

JJCEA — Thu, 09 Aug 2007 10:33:00 GMT

     /**
     * �Ҏ��늠�取出当前��面的记�?br />     * @param stratCount 起始记录�?br />     * @param maxCount 取出记录个数
     * @param sql 查询条�g
     * @return 包含Testcode对象的List
     */

public List getTestcodeList(int startCount, int Count, String whereSQL) {
            // startCount 起始记录
            // count昄��记录的个�?/span>
            String sqls = "select {t.*} from Testcode t "+whereSQL;
            SQLQuery query = getHibernateTemplate().getSessionFactory().getCurrentSession().createSQLQuery(sqls);
            query.addEntity("t",Testcode.class);
            query.setFirstResult(startCount);
            query.setMaxResults(count);
            List topList = query.list();
            return topList;
    }

     /**
     * 计算记录的��L��
     * @param sql 查询条�g
     * @return ��L��
     */

     public int getTestcodeCount(String whereSQL) {
            // TODO Auto-generated method stub
            int count=0;
            String sqls = "select count(*) as countRow from Testcode t "+whereSQL;
            SQLQuery query = getHibernateTemplate().getSessionFactory().getCurrentSession().createSQLQuery(sqls);
            query.addScalar("countRow", Hibernate.INTEGER);
            List topList = query.list();
            if (topList.get(0) != null)
               count = (Integer) topList.get(0);
            return count;
    }

JJCEA 2007-08-09 18:33 发表评论

javascript��d��Cookie函数

JJCEA — Tue, 31 Jul 2007 08:37:00 GMT

//写cookies函数
function SetCookie(name,value)//两个参数�Q�一个是cookie的名子，一个是�?br />{
    var Days = 30; //�?cookie ��被保存 30 �?br />    var exp = new Date();    //new Date("December 31, 9998");
    exp.setTime(exp.getTime() + Days*24*60*60*1000);
    document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString() +";path=/100class";//path是cookie的访问�\�?br />}
//取cookies函数
function getCookie(name)
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
    if(arr != null)
    return unescape(arr[2]);
    else
    return null;

}
//删除cookie
function deleteCookie(name)
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
    if(cval!=null)
    document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}

JJCEA 2007-07-31 16:37 发表评论

JJCEA — Tue, 17 Jul 2007 06:10:00 GMT

JJCEA 2007-07-17 14:10 发表评论

js中checkbox处理

JJCEA — Tue, 26 Jun 2007 02:59:00 GMT

//checkbox全�?br>function checkboxAll(itemName)
{
var item = document.getElementsByName(itemName);
for (var i=0; i{
item[i].checked = true;
}
}

//checkbox全不�?br>function checkboxNoAll(itemName)
{
var item = document.getElementsByName(itemName);
for (var i=0; i{
item[i].checked = false;
}
}
//checkbox中选择一�?br>function checkCount(itemName)
{
   var intCount=0;
var item = document.getElementsByName(itemName);
   if (item.length>1){
      for(i=0;i< item.length;i++)
      {
          if(item[i].checked)
          intCount=intCount+1;
      }
   } else {
      if(item[0].checked)
      intCount++;
   }
   return intCount;
}

JJCEA 2007-06-26 10:59 发表评论

Log4j处理�pȝ��日志

JJCEA — Thu, 24 May 2007 01:23:00 GMT

�pȝ��日志的处�?br>在应用程序中��d��日志记录�ȝ��来说��Z��三个目的�Q�监视代码中变量的变化情况，周期性的记录到文件中供其他应用进行统计分析工作；跟踪代码�q�行时轨�q�，作�ؓ日后审计的依据；担当集成开发环境中的调试器的作用，向文件或控制台打��C��码的调试信息�?br>最普通的做法��是在代码中嵌入许多的打印语句，�q�些打印语句可以输出到控制台或文件中�Q�比较好的做法就是构造一个日志操作类来封装此�c�L��作，而不是让一�p�d��的打印语句充斥了代码的主体�?br>Log4j是Apache的一个开放源代码��目�Q�通过使用Log4j�Q�我们可以控制日志信息输送的目的地是控制台、文件、GUI�l��g、甚��x��套接口服�?器、NT的事件记录器、UNIX Syslog守护�q�程�{�；我们也可以控制每一条日志的输出格式�Q�通过定义每一条日志信息的�U�别�Q�我们能够更加细致地控制日志的生成过�E�。最令�h感兴��的��?是，�q�些可以通过一个配�|�文件来灉|��地进行配�|�，而不需要修改应用的代码�?br> 日志的��?br>每条输出的日志请�?logging request)也都有一个level�Q�如果该request的level大于�{�于�?level�Q�则该request��被处理�Q�称为enabled�Q�；否则该request��被忽略。故可得知：

1. logger的level��低�Q�表�C��logger��详�l?br> 2. logging request的level��高�Q�表�C��logging request��优先输�?/p>

Level�c�M��预定义了五个level�Q�它们的大小关系如下�Q?br>Level.DEBUG < Level.INFO < Level.WARN < Level.ERROR < Level.FATAL

在代码中打印日志
�W�一步是取得LOG�Q�LOG采用APACHE的COMMON-LOGGING包来获得�?br>protected static Log log = LogFactory.getLog(XXX.class);

�W�二步就是LOG的输出，LOG输出只需要填写描�q�性文字，不要在LOG输出中包含�Q何类名，旉��Q�日志��别等信息。输出LOG时必��L��当前LOG的输出配�|�情��c�?br>if (log.isDebugEnabled()) {
log.debug("Initializing module path '" + config.getPrefix() +
"' data sources");
}

修改LOG配置文�g�Q�打印自己模块的LOG
在系�l�的configs目录下，已经有了�~�省的LOG4J配置文�glog4j.properties�?br>�~�省配置下包括了打印IBATIS和JDBC执行情况
# JDBC logging configuration...
log4j.logger.com.ibatis=DEBUG
log4j.logger.java.sql=DEBUG
log4j.logger.org.springframework.jdbc.core=DEBUG

如果惌��录自��q��开发类的日志，可以��单的增加一�?br>log4j.logger.com.spsoft.sample.service=DEBUG
log4j.logger.com.spsoft.sample.service.dao.SampleDao=INFO
com.spsoft.sample.service是包名，当然也可以直接指定类名�?br>

JJCEA 2007-05-24 09:23 发表评论

JJCEA — Mon, 30 Apr 2007 00:47:00 GMT

自已按ajax的教�E�写的一个Hello的例�?在tomcat 5.5 下可以正常运�?可是�U�d��tomcat5.0下报脚本错误,后来把dwr.jar1.1换成了dwr.jar2.0��好�?

JJCEA 2007-04-30 08:47 发表评论

JJCEA — Thu, 05 Apr 2007 05:43:00 GMT

package com.infoer.util;

import java.util.Date;
import java.util.Properties;
import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

/**
* 发送普通邮�Ӟ��接受普通邮�?发送带有附件的邮�g�Q�接收带有附件的邮�g 发送html形式的邮�Ӟ��接受html形式的邮�?发送带有图片的邮�g�{�做了一个�ȝ��?br> */
public class sendmail {
private String host = "smtp.163.com";

private String username = "myshiyh";

private String password = "123456";

private String mail_head_name = "this is head of this mail";

private String mail_head_value = "this is head of this mail";

private String mail_to = "myshiyh@126.com";

private String mail_from = "myshiyh@163.com";

private String mail_subject = "this is the subject of this test mail";

private String mail_body = "this is the mail_body of this test mail";

private String personalName = "我的邮�g";

public sendmail() {
}

/**
* 此段代码用来发送普通电子邮�?br> */
public void send() throws SendMailException {
  try {
   Properties props = new Properties(); // 获取�pȝ��环境
   Authenticator auth = new Email_Autherticator(); // �q�行邮�g服务器用戯��?br>            props.put("mail.smtp.host", host);
   props.put("mail.smtp.auth", "true");
   Session session = Session.getDefaultInstance(props, auth);
   // 讄��session,和邮件服务器�q�行通讯�?br>   MimeMessage message = new MimeMessage(session);
   message.setContent("Hello", "text/plain"); // 讄��邮�g格式
   message.setSubject(mail_subject); // 讄��邮�g主题
   message.setText(mail_body); // 讄��邮�g正文
   message.setHeader(mail_head_name, mail_head_value); // 讄��邮�g标题
   message.setSentDate(new Date()); // 讄��邮�g发送日�?br>   Address address = new InternetAddress(mail_from, personalName);
   message.setFrom(address); // 讄��邮�g发送者的地址
   Address toAddress = new InternetAddress(mail_to); // 讄��邮�g接收方的地址
   message.addRecipient(Message.RecipientType.TO, toAddress);
   Transport.send(message); // 发送邮�?br>   System.out.println("send ok!");
  } catch (Exception ex) {
   ex.printStackTrace();
   throw new SendMailException(ex.getMessage());
  }
}

/**
* 用来�q�行服务器对用户的认�?br> */
public class Email_Autherticator extends Authenticator {
  public Email_Autherticator() {
   super();
  }

  public Email_Autherticator(String user, String pwd) {
   super();
   username = user;
   password = pwd;
  }

  public PasswordAuthentication getPasswordAuthentication() {
   return new PasswordAuthentication(username, password);
  }
}

public static void main(String[] args) {
  sendmail sendmail = new sendmail();
   try {
   sendmail.send();
   }
   catch (Exception ex) {
   }
}

}

JJCEA 2007-04-05 13:43 发表评论

在java中实现导excel操作

JJCEA — Fri, 30 Mar 2007 07:15:00 GMT

  jsp��面上的代码如下:
response.setContentType("application/vnd.ms-excel;charset=GBK");
   String filename = new String(("excel名称.xls").getBytes(),
     "ISO-8859-1");
   response.setHeader("Content-Disposition", "attachment;"
     + " filename=" + filename);
    <%
    JavaBean bean = new JavaBean();
     bean .loadDataToExcel(response);
%>
JavaBean ��面上的代码如下:

  public boolean loadDataToExcel(HttpServletResponse response,
   List items) {
    boolean flag = false;
    try {
   WritableWorkbook wwb = Workbook.createWorkbook(response
     .getOutputStream());
   WritableSheet asheet = wwb.createSheet("处理信息�l�计�?, 52);
   // 定义一个新字体�Q�参数说明：字体�Q�大��，格式�Q�是否斜体，颜色�Q�默认黑�Ԍ��
   WritableFont wfc = new WritableFont(WritableFont.ARIAL, 12,
     WritableFont.BOLD, false);
   // 定义一个新字体�Q�参数说明：字体�Q�大��，格式�Q�是否斜体，颜色�Q�默认黑�Ԍ��//不加�_?br />   WritableFont wf = new WritableFont(WritableFont.ARIAL, 12,
     WritableFont.NO_BOLD, false);
   // 讄��单元格格�?br />   WritableCellFormat wchB = new WritableCellFormat(wfc);
   // 使单元格居中
   wchB.setAlignment(Alignment.CENTRE);
   // 讄��制表单位�Q�制表日期格�?br />   WritableCellFormat date = new WritableCellFormat(wf);
   // 讄��表头格式
   WritableCellFormat tTitle = new WritableCellFormat(wf);
   tTitle.setAlignment(Alignment.CENTRE);
   tTitle.setVerticalAlignment(VerticalAlignment.CENTRE);
   tTitle.setWrap(true);
   tTitle.setBorder(Border.ALL, BorderLineStyle.THIN);
   // 讄��数据昄��格式
   WritableCellFormat data = new WritableCellFormat(wf);
   data.setBorder(Border.ALL, BorderLineStyle.THIN);
   // data.setb
   // 分别讄��单元格的高度�Q�宽�?/p>

   asheet.setColumnView(0, 12);
   asheet.setColumnView(1, 12);
   asheet.setColumnView(2, 8);
   asheet.setColumnView(3, 8);
   asheet.setColumnView(4, 8);
   asheet.setColumnView(5, 8);
   asheet.setColumnView(6, 8);
   asheet.setColumnView(7, 7);
   asheet.setColumnView(8, 7);
   asheet.setColumnView(9, 7);
   asheet.setColumnView(10, 7);
   asheet.setColumnView(11, 7);
   asheet.setColumnView(12, 7);
   asheet.setColumnView(13, 7);
   asheet.setColumnView(14, 7);

   /* 开始写入xls文�g */
   // 导出excel文�g标题
   Label labelC = new Label(0, 0, "处理信息�l�计�?, wchB);
   asheet.addCell(labelC);
   // 合�ƈ�W�一�?6个单元格�?个作为标题栏
   asheet.mergeCells(0, 0, 15, 0);
   // 讄��表头
   labelC = new Label(0, 1, "预报信息", tTitle);
   asheet.addCell(labelC);
   asheet.mergeCells(0, 1, 3, 1);

labelC = new Label(0, 2, "��查场", tTitle);
asheet.addCell(labelC);

labelC = new Label(1, 2, "车型", tTitle);
asheet.addCell(labelC);

labelC = new Label(2, 2, "车号", tTitle);
asheet.addCell(labelC);

labelC = new Label(3, 2, "轴位及左�?, tTitle);
asheet.addCell(labelC);

   labelC = new Label(4, 1, "作业场处理信�?, tTitle);
   asheet.addCell(labelC);
   asheet.mergeCells(4, 1, 15, 1);

labelC = new Label(4, 2, "预警�U�别", tTitle);
asheet.addCell(labelC);

labelC = new Label(5, 2, "��查时�?, tTitle);
asheet.addCell(labelC);

labelC = new Label(6, 2, "车次", tTitle);
asheet.addCell(labelC);

labelC = new Label(7, 2, "�~�组", tTitle);
asheet.addCell(labelC);

labelC = new Label(8, 2, "��Z��", tTitle);
asheet.addCell(labelC);

labelC = new Label(9, 2, "轮位", tTitle);
asheet.addCell(labelC);

labelC = new Label(10, 2, "轴号", tTitle);
asheet.addCell(labelC);

labelC = new Label(11, 2, "故障原因", tTitle);
asheet.addCell(labelC);

labelC = new Label(12, 2, "实际��量数据", tTitle);
asheet.addCell(labelC);

labelC = new Label(13, 2, "��量�?, tTitle);
asheet.addCell(labelC);

labelC = new Label(14, 2, "复测�?, tTitle);
asheet.addCell(labelC);

   labelC = new Label(15, 2, "处理方式", tTitle);
   asheet.addCell(labelC);
   wwb.write();
   wwb.close();
   flag = true;
  } catch (Exception e) {
   flag = false;
   e.printStackTrace();
  }
  return flag;
}
�?1.   说明asheet.mergeCells(�?, �?, �?, �?)合�ƈ单元�?起始都是0
     2 . 在Bean中需要导入两个jar包servlet.jar和jxl.jar

JJCEA 2007-03-30 15:15 发表评论

��d��大图片�ƈ生成一个小囄��

JJCEA — Sat, 24 Mar 2007 16:50:00 GMT

/*
* Created on 2004-10-11
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package net.jspcn.test;

import java.io.File;
import java.io.FileOutputStream;
import java.awt.Image;
import java.awt.image.BufferedImage;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

public class JpgTest {

public void jpgTset() throws Exception{

File _file = new File("d:\\1.jpg"); //��d��文�g
Image src = javax.imageio.ImageIO.read(_file); //构造Image对象
int wideth=src.getWidth(null); //得到源图��q?br />int height=src.getHeight(null); //得到源图长�?br />BufferedImage tag = new BufferedImage(wideth/2,height/2,BufferedImage.TYPE_INT_RGB);
tag.getGraphics().drawImage(src,0,0,wideth/2,height/2,null); //�l�制�~�小后的图�?br />FileOutputStream out=new FileOutputStream("D:\\newfile.jpg"); //输出到文件流
//File file = new File("D:\\newFile.jpg");
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
//JPEGImageEncoder encoder = JPEGCodec.c
encoder.encode(tag); //�q�JPEG�~�码
out.close();
}
public static void main(String[] args){

try{
new JpgTest().jpgTset();
}catch(Exception e){

e.printStackTrace();
}
}
}

JJCEA 2007-03-25 00:50 发表评论

Tomcat ��q��问题

JJCEA — Sat, 24 Mar 2007 16:47:00 GMT

在Tomcat 5.0.28的server.xml文�g中增加这样一句话URIncoding="GBK"�Q�可以防止出��Cؕ�?/p>

修改地方�Q?/p>

    port="8080"               maxHttpHeaderSize="8192"
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" redirectPort="8443" acceptCount="100"
               connectionTimeout="20000" disableUploadTimeout="true" URIncoding="GBK"/>

JJCEA 2007-03-25 00:47 发表评论

解决如何��d��.jar中的文�g路径

JJCEA — Sat, 24 Mar 2007 16:32:00 GMT

在开发过�E�中�Q�我们经�怼�遇到��d��配置文�g的情况，对于配置文�g的读取，�Ҏ��环境�{�情况又各有不同�Q�一般情况下�Q�如果从非jar包中使用相对/路径�Q�比较简单，��׃��在篏�q�C��Q�而在很多
情况下，我们需要把我们的class打包成jar文�g�Q�进行��用，�q�时��׃��发现�Q�我们先前如果没有考虑到这些，可能��p��不通了�Q�那么，该如何解军_��Q�方法如�?br />�Q?br />有如下�\�?�Q?br />Web-info--|-->classes--->conf-->config.properties
   |-->lib
此时加入我们需要读取config.properties�Q�在不��用jar包时�Q��用如下方式读取，不失��Z��U�方法：
File f = new File(this.getClass().getResource("/").getPath());
f = new File(f.getPath() + "/conf/config.properties");
注：f.getPath()即�ؓ当class所在的�l�对路径。如�Q�c:\javasrc\web-inf\classes
然后,�Ҏ��件对象进行处理，��p��把配�|�信息读取出来了�Q�但是加入如上class被打包成jar文�g�Q�那么，在程序执行到�q�里�Ӟ��׃��无法扑ֈ�配置文�g�Q�那么该如何处理呢？
处理�Ҏ��如下�Q?br />String s_config="conf/config.properties";
    File file= new File(String.valueOf(ClassLoader.getSystemResource(config)));
    String filepaths= file.getPath();

JJCEA 2007-03-25 00:32 发表评论