import java.text.SimpleDateFormat;
import java.util.*;
import java.sql.*;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import jxl.*;
public class SimUpdate {
private String fileName;
public ZfzSimUpdate(String fileName){
this.fileName = fileName;
}
static Map tNames;
static{
tNames = new HashMap();
}
/**
* 用於產生 數據庫的 ID 值，組成 [年月日時分秒(100-999)] 總*** 17 位數.
* 根據不同的表名，可保證同壹秒內產生的 ID 號不重復
*/
private static String getDtime() {
String rid;
Date nd = new Date();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
rid = sdf.format(nd);
return rid;
}
public String getSeqNumber(String tableName) {
if(tableName == null || "".equals(tableName))
tableName = "GENERY";
Integer it;
// noinspection SynchronizeOnNonFinalField
synchronized(tNames){
it = (Integer)tNames.get(tableName);
if(it == null){
it = new Integer(100);
tNames.put(tableName, it);
}else{
if(it.intValue() > 998)
it = new Integer(100);
else
it = new Integer(1 + it.intValue());
tNames.put(tableName, it);
}
}
return getDtime() + String.valueOf(it);
}
private void updateDb(){
try{
Connection conn = DbPool.connectDB();
if(conn != null){
Statement stmt = conn.createStatement();
/**********************************************/
jxl.Workbook rwb = null;
try{
//構建Workbook對象 只讀Workbook對象
//直接從本地文件創建Workbook
//從輸入流創建Workbook
InputStream is = new FileInputStream(fileName);
rwb = Workbook.getWorkbook(is);
//Sheet(術語：工作表)就是Excel表格左下角的Sheet1,Sheet2,Sheet3但在程序中
//Sheet的下標是從0開始的
//獲取第壹張Sheet表
Sheet rs = rwb.getSheet(0);
//獲取Sheet表中所包含的總列數
int rsColumns = rs.getColumns();
//獲取Sheet表中所包含的總行數
int rsRows = rs.getRows();
//獲取指這下單元格的對象引用
String simNumber = "",termSeqId = "";
//指定SIM卡號及序列號
for(int i=0;i<rsRows;i++){
for(int j=0;j<rsColumns;j++){
Cell cell = rs.getCell(j,i);
if(j==0){
simNumber = cell.getContents();
}
termSeqId = "633"+simNumber;
}
String sql = "查詢SQL";
int isOk = stmt.executeUpdate(sql);
if(isOk == 0 && !simNumber.equals("")){
String termId = getSeqNumber("termInf");
String insertSql = "自定義INSERT";
int isAdd = stmt.executeUpdate(insertSql);
if(isAdd > 0){
System.out.println("成功插入第"+i+"條數據");
}
}
//System.out.println("SIM卡號:"+simNumber+",序列號:"+termSeqId);
}
//以下代碼為寫入新的EXCEL,這裏不使用,所以註釋
/*
//利用已經創建的Excel工作薄創建新的可寫入的Excel工作薄
jxl.write.WritableWorkbook wwb = Workbook.createWorkbook(new File("D://Book2.xls"),rwb);
//讀取第壹張工作表
jxl.write.WritableSheet ws = wwb.getSheet(0);
//獲取第壹個單元格對象
jxl.write.WritableCell wc = ws.getWritableCell(0, 0);
//決斷單元格的類型，做出相應的轉化
if (wc.getType() == CellType.LABEL) {
Label l = (Label) wc;
l.setString("The value has been modified.");
}
//寫入Excel對象
wwb.write();
wwb.close();
*/
}catch(Exception e){
e.printStackTrace();
}
finally{
//操作完成時，關閉對象，翻譯占用的內存空間
rwb.close();
}
/*********************************************/
}
}catch(Exception e){
e.printStackTrace();
}
}
public static void main(String args[]){
DbPool dbPool = new DbPool("dbConn.cfg");//連接數據庫
SimUpdate simUpdate = new SimUpdate("zfz_sim.xls");
simUpdate.updateDb();
}
}