documentmanager.java

一个完整的

package com.gforce.gfoa;

import com.gforce.currency.database.*;
import java.util.*;
import com.gforce.currency.*;

/**
 *
 * <p>Title: 吉力科技办公自动化系统</p>
 * <p>Description: 吉力科技办公自动化系统</p>
 * <p>Copyright: 版权所有 2003 (c) 西安吉力科技发展有限公司  Copyright (c) 2003 GForce Sceince & Technology</p>
 * <p>Company: 西安吉力科技发展有限公司 (GForce Sceince & Technology)</p>
 * @author 王江涛
 * @version 1.0
 */
public class DocumentManager
    extends RecordManager
{
    public DocumentManager()
    {
    }

    protected final static String TableName = "DocumentInfo"; //定义声明本类操作表名称
    protected final static String IDFieldName = "ID"; //定义声明主键或者可以确定唯一记录的字段名称为“ID”，必须为自增整型
    protected final static String[] NumericFieldsName =
        {"PublishUserID", "DocumentTypeID"}; //声明数值型字段名称
    protected final static String[] StringFieldsName =
        {"DocumentName"}; //声明字符型字段名称
    protected final static String[] DatetimeFieldsName =
        {"PublishTime"}; //声明日期时间型字段名称
    protected final static String[] TextFieldsName =
        {"Content"}; //声明大字符串型字段名称

    /**
     * 根据字段名称获取插入数据时表单元素名称
     * @param strFieldName  字段名称
     * @return  表单素名称
     */
    protected String InsertParament(String strFieldName)
    {
        return "" + strFieldName + ""; //可以根据需要加前缀、后缀
    }

    /**
     * 根据字段名称获取修改数据时表单元素名称
     * @param strFieldName  字段名称
     * @return  表单素名称
     */
    protected String UpdateParament(String strFieldName)
    {
        return "" + strFieldName + ""; //可以根据需要加前缀、后缀
    }

    /**
     * 获取本类操作表名称
     * @return  表名称
     */
    public String getTableName()
    { //获取本类操作表名称
        return TableName;
    }

    protected String getIDFieldName()
    { //获取主键或者可以确定唯一记录的字段名称
        return IDFieldName;
    }

    protected String[] getNumericFieldsName()
    { //获取数值型字段名称
        return NumericFieldsName;
    }

    protected String[] getStringFieldsName()
    { //获取字符型字段名称
        return StringFieldsName;
    }

    protected String[] getDatetimeFieldsName()
    { //获取日期时间型字段名称
        return DatetimeFieldsName;
    }

    protected String[] getTextFieldsName()
    { //获取大字符串型字段名称
        return TextFieldsName;
    }

    /**
     * 获取所有文档记录集
     * @return 所有文档记录集
     */
    public static Vector getAllRecord()
    {
        Vector vt = SQLManager.GetResultSet("Select * from " + TableName);
        return vt;
    }

    /**
     * 获取指定ID地记录
     * @param iDocID 指定地记录ID
     * @return 记录数据集
     */
    public static Vector getByIDRecord(int iDocID)
    {
        Vector vt = SQLManager.GetResultSet("Select * from " + TableName + " WHERE ID ='" + iDocID +
                                            "'");
        return vt;
    }
    /**
     * 获取指定文档类型文档记录集
     * @param iDocTypeID  文档ID
     * @return 指定文档类型文档记录集
     */
    public static Vector getByDocTypeIDRecord(int iDocTypeID)
    {
        Vector vt = SQLManager.GetResultSet("Select * from " + TableName + " WHERE DocumentTypeID ='" + iDocTypeID +
                                            "'");
        return vt;
    }

    /**
     * 获取指定ID的文档名称
     * @param iDocID  文档ID
     * @return  文档名称
     */
    public static String getDocNameByID(int iDocID)
    {
        String strReturnValue = "未知文档";
        Vector vt = SQLManager.GetResultSet("Select DocumentName from " + TableName + " where ID=" + iDocID);
        if (vt.size() == 1)
        {
            strReturnValue = ( (Vector) vt.get(0)).get(0).toString();
        }
        return strReturnValue;
    }

    /**
     * 增加文档
     * @param m_request 增加文档的request参数
     * @param TypesID 增加文档的类型
     * @return 增加文档是否成功。文档的ID（大于等于1）或者错误代码（小于1）
     */
    public int InsertRecord(Request m_request)
    {
        int iReturnValue = super.InsertRecord(m_request); //文档信息表插入数据
        int iTypesID = m_request.GetInt("TypesID");
        Vector vt = DocFieldsManager.getByDocTypeRecord(iTypesID);
        if (vt.size() > 0)
        {
            for (int i = 0; i < vt.size(); i++)
            {
                String strFieldType = ( (Vector) vt.get(i)).get(3).toString();
                String strFieldID = ( (Vector) vt.get(i)).get(0).toString();
                String strFieldValue = m_request.GetString("Name" + strFieldID);
                //文档字段值表插入数据
                SQLManager.ExcuteSQL("Insert FieldsValue (DocumentID,FieldID,FieldValue) Values (" + iReturnValue + "," + strFieldID + ",'" + strFieldValue + "')");
             }
        }
        return iReturnValue;
    }

    /**
     * 通过ID删除记录和文档得字段值
     * @param intID ID值
     * @return 错误代码，如果小于1，说明删除错误
     */
    public int DeleteByID(int intID)
    {
        FieldsValueManager manager = new FieldsValueManager();
        manager.DeleteBySQLWhere("DocumentID = "+intID);
        return super.DeleteByID(intID);
    }

    /**
     * 文档记录地数据修改
     * @param m_request 页面地修改参数
     * @return 修改是否成功
     */
    public int UpdateRecord(Request m_request)
    {
        int iReturnValue = super.UpdateRecord(m_request); //文档信息表修改数据
        int iTypesID = m_request.GetInt("TypesID");
        Vector vt = DocFieldsManager.getByDocTypeRecord(iTypesID);
        if (vt.size() > 0)
        {
            for (int i = 0; i < vt.size(); i++)
            {
                String strFieldType = ( (Vector) vt.get(i)).get(3).toString();
                String strFieldID = ( (Vector) vt.get(i)).get(0).toString();
                String strFieldValue = m_request.GetString("Name" + strFieldID);
                String strDocumentID = m_request.GetString("ID");
                Vector vt1 = new Vector();
                vt1 = SQLManager.GetResultSet("Select * from FieldsValue where (DocumentID=" + strDocumentID + " and FieldID=" + strFieldID + ")");
                if (vt1.size() > 0)
                {
                  SQLManager.ExcuteSQL("UPDATE FieldsValue SET FieldValue='" + strFieldValue + "' where (DocumentID=" + strDocumentID + " and FieldID=" + strFieldID + ")");
                }
                else
                {
                  SQLManager.ExcuteSQL("Insert FieldsValue (DocumentID,FieldID,FieldValue) Values (" + strDocumentID + "," + strFieldID + ",'" + strFieldValue + "')");
                }
             }
        }
        return iReturnValue;
    }

}