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Oracle

DECLARE
  v_test_varray VARCHAR_VARRAY_TYPE := VARCHAR_VARRAY_TYPE('57610',
                                                           '61368',
                                                           '73111',
                                                           '37208',
                                                           '57639');

V_SQL        VARCHAR2(32767);
    V_SQL_IN     VARCHAR2(32767);
    V_SQL_ROWNUM VARCHAR2(32767);
    V_ORDER      VARCHAR2(32767);
    TYPE number_index_by_string IS TABLE OF NUMBER INDEX BY VARCHAR2(10);
    v_evt_id_list  NUMBER_INDEX_BY_STRING;

Begin
  --orderArray VARCHAR_VARRAY_TYPE%type := VARCHAR_VARRAY_TYPE('11','22','33','44','55');

/*
  FOR i IN v_test_varray.FIRST .. v_test_varray.LAST LOOP
    IF v_test_varray.EXISTS(i) THEN
      DBMS_OUTPUT.put_line(i);
    END IF;
  END LOOP;
  */

  V_ORDER := Func_LIST_TO_ORDER(v_test_varray, 'A.COL_NAME');
  DBMS_OUTPUT.put_line('V_ORDER='||V_ORDER);

  V_SQL := 'SELECT * FROM TABLEA A'
           || ' WHERE '
           || ''
           || ''
           || ''
           || ''
           ;
  V_SQL := V_SQL || ' ( ' ||
               FUNC_LIST_TO_IN_SQL(v_test_varray,
                                    'COL_NAME',
                                    '''') || ')';
    V_SQL := V_SQL  ||
             ' ORDER by ( ' || V_ORDER || ')';

  DBMS_OUTPUT.put_line('V_SQL='||V_SQL);

--- SET v_evt_id_list number_index_by_string

FOR i IN v_test_varray.FIRST .. v_test_varray.LAST
  LOOP
     IF v_test_varray.EXISTS (i)
     THEN
        DBMS_OUTPUT.put_line (i);
        v_evt_id_list(v_test_varray(i)) := i;
     END IF;
  END LOOP;

--- TEST v_evt_id_list number_index_by_string
  FOR i IN v_evt_id_list.FIRST .. v_evt_id_list.LAST
  LOOP
     IF v_evt_id_list.EXISTS (i)
     THEN
        DBMS_OUTPUT.put_line (i||' = '||v_evt_id_list(i) );
     END IF;
  END LOOP;

-- GET v_evt_id_list number_index_by_string
  DBMS_OUTPUT.put_line (v_evt_id_list('73111') );

posted @ 2013-02-04 16:47 Kavin 閱讀(236) | 評論 (0) | 編輯收藏

Auto complete with Jquery

1. config servlet in web.xml
<servlet>
    <servlet-name>addressData</servlet-name>
    <servlet-class>com.xxx.webapp.AddressDataAutoCompleteServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
    </servlet>

2. set autocomplete in JSP
$().ready(function() {

$("#addressLine1").autocomplete("<%=StrUtils.filterStr(request.getContextPath())%>/servlet/addressData?paramName=addressLine");
$("#addressLine2").autocomplete("<%=StrUtils.filterStr(request.getContextPath())%>/servlet/addressData?paramName=addressLine2");
$("#addressLine3").autocomplete("<%=StrUtils.filterStr(request.getContextPath())%>/servlet/addressData?paramName=addressLine3");
$("#addressCity").autocomplete("<%=StrUtils.filterStr(request.getContextPath())%>/servlet/addressData?paramName=addressCity");
$("#addressPostCode").autocomplete("<%=StrUtils.filterStr(request.getContextPath())%>/servlet/addressData?paramName=addressPostCode");
$("#firstFocusObj").focus();
});

<html:text name="" tabindex="9" style="color: grey;" onclick="clearAddressValue(this)" styleId="addressLine1" value='<%=request.getAttribute("postalAddress1") == null ? defalutAddressValue : (String)request.getAttribute("postalAddress1")%>' property="TLContactDetailForm.postalAddress1" size="50" maxlength="50" styleClass="inputText2"></html:text>

<input type="text" name="TLContactDetailForm.postalAddress1" maxlength="50" size="50" tabindex="9" value="Start typing your address and we will finish it for you" onclick="clearAddressValue(this)" id="addressLine1" style="color: grey;" class="inputText2">

3. return addresses in java class: AddressDataAutoCompleteServlet.java

package com.xxxxxx.webapp;

import com.xxxxxx.exception.ServiceException;
import com.xxxxxx.util.StrUtils;
import com.xxxxxx.webapp.context.ServiceLocator;
import com.xxxxxx.util.AddressShow;

import java.io.IOException;
import java.io.PrintWriter;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;

/**
* Servlet implementation class AddressDataAutoCompleteServlet
*/
public class AddressDataAutoCompleteServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public Logger LOG = Logger.getLogger(this.getClass().getName());

    /**
     * @see HttpServlet#HttpServlet()
     */
    public AddressDataAutoCompleteServlet() {
        super();
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
     *      response)
     */
    protected void doGet(HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
        String paramName = request.getParameter("paramName");
        String paramValue = request.getParameter("q");
        LOG.info(paramName);
        LOG.info(paramValue);

List list = new ArrayList();

        try {
            list = ServiceLocator.getAddressService()
                                 .searchAddressList(paramName, paramValue);
        } catch (ServiceException e) {
        LOG.error(e.getMessage(),e);
        }

        PrintWriter t_PW = response.getWriter();

        for (int i = 0; i < list.size(); i++) {
            String address = StrUtils.toTitleCase((String) list.get(i));

            if (paramName.equals("addressLine")) {
            AddressShow.showAddress(t_PW,address);
            } else if (paramName.equals("addressLine1")) {
            AddressShow.showAddress(t_PW,address);
            } else if (paramName.equals("addressLine2")) {
            AddressShow.showAddress(t_PW,address);
            } else if (paramName.equals("addressLine3")) {
            AddressShow.showAddress(t_PW,address);
            } else if (paramName.equals("addressCity")) {
            AddressShow.showAddress(t_PW,address);
            } else if (paramName.equals("addressPostCode")) {
            AddressShow.showAddress(t_PW,address);
            }
        }
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
     *      response)
     */
    protected void doPost(HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
        this.doGet(request, response);
    }
}

------
AddressShow.java

package com.intl.cigna.util;

import java.io.PrintWriter;

public class AddressShow
{
public static void showAddress(PrintWriter pw, String input)
{
pw.write(input + "\n");

}
}

posted @ 2012-06-07 22:39 Kavin 閱讀(302) | 評論 (0) | 編輯收藏

Security Test: Unauthorized access to users data via Browser’s Cach

Unauthorized access to users data via Browser’s Cach

Solution:

1 <%  response.setHeader("Pragma", "no-cache");
2                 response.setHeader("Cache-Control", "no-store");
3                 response.setHeader("Expires", "0");
4                 response.setDateHeader("Expires", -1);
5 %>
6

posted @ 2011-06-09 17:53 Kavin 閱讀(247) | 評論 (0) | 編輯收藏

SSH2中，直接獲取SEQUENCE的NEXTVAL ，使用OracleSequenceMaxValueIncrementer

SSH2中，直接獲取SEQUENCE的NEXTVAL

使用Spring的類 org.springframework.jdbc.support.incrementer.OracleSequenceMaxValueIncrementer

Spring配置文件：

1     <bean id="userDao" class="com.xx.dao.impl.UserDAOImpl">
2         <property name="sessionFactory" ref="sessionFactory" />
3         <property name="seqGenerator" ref="seqDispGenerator"></property>
5     </bean>
6
7     <bean id="seqDispGenerator" class="org.springframework.jdbc.support.incrementer.OracleSequenceMaxValueIncrementer">
8         <property name="dataSource" ref="dataSource"></property>
9         <property name="incrementerName" ><value>SEQ_DISP_ID</value></property>
10     </bean>

UserDAOImpl.java中引用：

private OracleSequenceMaxValueIncrementer seqGenerator;



    /**
     * @return the seqGenerator
     */
    public OracleSequenceMaxValueIncrementer getSeqGenerator() {
        return seqGenerator;
    }

    /**
     * @param seqGenerator the seqGenerator to set
     */
    public void setSeqGenerator(OracleSequenceMaxValueIncrementer seqGenerator) {
        this.seqGenerator = seqGenerator;
    }

UserDAOImpl.java中調用：

1 System.out.println("---------------------- this.seqGenerator().nextIntValue="+this.seqGenerator.nextIntValue());

posted @ 2011-05-06 14:24 Kavin 閱讀(2695) | 評論 (0) | 編輯收藏

Hibernate ID generator 自定義主鍵生成器

/**
*
*/
package com.ge.hc.eapp.generator;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.hibernate.HibernateException;
import org.hibernate.MappingException;

import org.hibernate.dialect.Dialect;

import org.hibernate.engine.SessionImplementor;

import org.hibernate.id.Configurable;
import org.hibernate.id.IdentifierGenerator;
import org.hibernate.id.PersistentIdentifierGenerator;

import org.hibernate.type.Type;

import java.io.Serializable;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.Properties;

/**
* @author Kavin
*
*/
public class DispNoGenerator implements IdentifierGenerator, Configurable {
    private static final Log log = LogFactory.getLog(DispNoGenerator.class);

    //存儲最大值的數組的容量
    private static final int MAX_CAPACITY = 2000;

    /* 同步鎖 */
    private static final Object lock = new Object();

    //存儲表存儲在數組中的索引值
    private static Map map = new HashMap();

    //最大值數組
    private static long[] seqs = new long[MAX_CAPACITY];

    //最大值數組已經使用的容量
    private static int lastIndex;

    //遞增步長，默認加1
    private int step = 1;
    private String key;
    private String sql;
    private Connection connection;
    private Class returnClass;

    public Serializable generate(SessionImplementor session, Object object)
        throws HibernateException {
        // TODO Auto-generated method stub
        connection = session.connection();

//        long seq = -1;

        //找到索引值
//        int index = findIndex();

//        //把最大值加1
//        seqs[index] = seqs[index] + step;
//
//        seq = seqs[index];

        String strGenerateId = null;
        System.out.println("this.sql="+this.sql);
        try {
            long t_SeqNo = this.getSeqValue();

        System.out.println("t_SeqNo="+t_SeqNo);

        //得到流水號,是自己寫的工具類生成的.形式為000x
        String seqStr = String.valueOf(t_SeqNo);
        //JspFormate.currentFormateORM(seq);
        //得到yymmdd,是自己寫的方法工具類生成的yymmdd
        String preDate = "20110506";
        //得到hhmmss,是自己寫的工具類獲取的hhmmss
        //String preHour = JspFormate.dateFormateOnlyHHMMSSORM(new Date());
        String preHour = "1035";
        strGenerateId = preDate + preHour + seqStr;
        } catch (SQLException e) {
            log.error(e);
            e.printStackTrace();
        }

        return strGenerateId;
    }

    /**
     * 找到表中自動增長字段存儲在數組中的索引值
     * @return 索引值
     */
    private int findIndex() {
        int index = 0;

        //首先中緩存中取出索引值
        Integer integer = (Integer) map.get(key);

        //如果沒有找到就從數據庫中讀出最大值并進行cache
        if (null == integer) {
            //double check lock
            synchronized (lock) {
                integer = (Integer) map.get(key);

                if (null == integer) {
                    long maxvalue = 1;

                    try {
                        maxvalue = this.getSeqValue();
                    } catch (SQLException e) {
                        log.error(e);
                    }
                    maxvalue = new Long(0).longValue();

                    integer = new Integer(lastIndex++);
                    seqs[integer.intValue()] = maxvalue;
                    map.put(key, integer);
                }
            }
        }

        index = integer.intValue();

        return index;
    }

    public void configure(Type type, Properties params, Dialect d)
        throws MappingException {
        //     取出table參數
        String table = params.getProperty("table");

        if (table == null) {
            table = params.getProperty(PersistentIdentifierGenerator.TABLE);
        }

        //取出column參數
        String column = params.getProperty("column");

        if (column == null) {
            column = params.getProperty(PersistentIdentifierGenerator.PK);
        }

        //表的sehcma參數
        String schema = params.getProperty(PersistentIdentifierGenerator.SCHEMA);

        returnClass = type.getReturnedClass();

        //取出step參數
        String stepvalue = params.getProperty("step");

        if ((null != stepvalue) && !"".equals(stepvalue.trim())) {
            try {
                step = Integer.parseInt(stepvalue);
            } catch (Exception e) {
                log.error(e);
            }
        }

        //構造存儲在Map中的索引值的key name
        key = table + "_$_" + column;

        //根據參數構造取最大值的SQL
        sql = "select SEQ_COMPANY_ID.nextval from dual";


    }

    /**
     * 取指定SEQUENCE的值，不存在記錄返回0
     * @return Sequence最大值
     * @throws SQLException if sql error occurs.
     */
    private long getSeqValue() throws SQLException {
        long maxvalue = 0;

        PreparedStatement st = connection.prepareStatement(sql);
        System.out.println("============================================" + sql);
        ResultSet rs = null;

        try {
            rs = st.executeQuery();

            if (rs.next()) {
                maxvalue = rs.getLong(1);
            }

            sql = null;
        } finally {
            if (rs != null) {
                rs.close();
            }

            st.close();
        }

        return maxvalue;
    }

    /**
     * 取指定表中id字段的最大值，不存在記錄返回0
     * @return 最大值
     * @throws SQLException if sql error occurs.
     */
    private long getMaxvalue() throws SQLException {
        long maxvalue = 0;

        PreparedStatement st = connection.prepareStatement(sql);
        System.out.println("============================================" + sql);
        ResultSet rs = null;

        try {
            rs = st.executeQuery();

            if (rs.next()) {
                maxvalue = rs.getLong(1);
            }

            sql = null;
        } finally {
            if (rs != null) {
                rs.close();
            }

            st.close();
        }

        return maxvalue;
    }
}

Hibernate 配置文件

posted @ 2011-05-06 13:42 Kavin 閱讀(2134) | 評論 (0) | 編輯收藏

Struts2里面 s:textfield標簽 Date類型的格式化

摘要: Normal 0 7.8 pt 0 2 false false false EN-US ZH-CN X-NONE ... 閱讀全文

posted @ 2011-05-05 12:33 Kavin 閱讀(2377) | 評論 (0) | 編輯收藏

如何運行打開windows下面的system系統屬性

Description:.

To bring up System Properties:

1. Click Start and then Control Panel. From the Control Panel, double click System.

2. Another way to bring up this box is to right click the My Computer on your desktop. From the menu, select Properties.

Solution:

1. 參考http://www.passcape.com/windows_run_commands

除了這兩種方式外，還有一種直接運行system32下面的命令文件方式

運行C:"WINDOWS"system32 下面的sysdm.cpl。

posted @ 2011-04-19 11:40 Kavin 閱讀(261) | 評論 (0) | 編輯收藏

注解@Override 報錯

Description: @Override該標記是為了增強程序在編譯時候的檢查，JDK1.5下，如果該方法并不是一個覆蓋父類的方法，在編譯時編譯器就會報告錯誤。

Analisys:

1

public class A {
2

public void method(int i) {
3

}
4

}
5

6

public class B extends A {
7

@Override
8

public void method(int i) {
9

}
10

11

//如果如下定義，就會在編譯時出現一個錯誤，因為不是覆蓋父類的方法
12

@Override
13

public void method(int i, String p_Str) {
14

}
15

16

}
17

JDK1.6正常，支持對接口的實現的@Override

1

public interface iA {
2

3

public void method(int i) {
4

5

}
6

7

}
8

9

public class B implements iA {
10

11

//JDK1.5下會報錯，JDK1.6下可以
12

13

@Override
14

15

public void method(int i, int j) {
16

17

}
18

19

}
20

posted @ 2011-04-18 17:32 Kavin 閱讀(814) | 評論 (0) | 編輯收藏

安裝Oracle Client 9/10后,Eclipse 啟動時的JDK/JVM問題

Description:
Incompatible JVM- Version 1.4.2_03 of the JVM is not suitable for th is product. Version:1.5 or greater is required.

Analisys:

安裝Oracle Client 9/10后, Path 被設置為Oracle自帶的JDK 1.4, 啟動高版本Eclipse(eclipse-jee-helios-SR1-win32.exe)時,　就默認用Oracle自帶的JDK 1.4，這樣就會有問題。

Solution:

多種解決方案

1. 修改環境變量：　Path = %JAVA_HOME%"bin;%PATH%
權限的問題，我沒有選擇這個解決方案。

2. 修改Eclipse啟動項：修改Eclipse快捷方式的屬性里面的目標：　
D:"tool"eclipse-jee-helios-SR1-win32"eclipse"eclipse.exe　-vm "C:"Program Files"Java"jdk1.5.0_05"bin"javaw.exe"

posted @ 2011-04-15 09:53 Kavin 閱讀(466) | 評論 (0) | 編輯收藏

Eclipse 報錯: class Implement Interface-> @Override function -> must override a superclass

代碼:
Class XX implements InterfaceYY{
    @override
    function funcXX(){
    }
}

Eclipse報錯: must override a superclass implements

Analisys:
1. @override 可以針對 Interface; 不過最好用另外一個annotation: @implement
2. java5 java6 支持泛型
3. eclipse 里面的compile版本是JDK 5

Solution:
eclipse 里面的compile版本是JDK 5 -> 改成 JDK6

posted @ 2011-04-07 14:30 Kavin 閱讀(723) | 評論 (0) | 編輯收藏

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Oracle

Auto complete with Jquery

Security Test: Unauthorized access to users data via Browser’s Cach

SSH2中，直接獲取SEQUENCE的NEXTVAL ，使用OracleSequenceMaxValueIncrementer

Hibernate ID generator 自定義主鍵生成器

Struts2里面 s:textfield標簽 Date類型的格式化

如何運行打開windows下面的system系統屬性

注解@Override 報錯

安裝Oracle Client 9/10后,Eclipse 啟動時的JDK/JVM問題

Eclipse 報錯: class Implement Interface-> @Override function -> must override a superclass