生成表的标题,但不生成数据。我尝试了所有方法,但不知何故数据是随意的或空白的
详细:查询到excel
如何格式化下面的代码?
import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.Reader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
public class QA2Excel {
/**
* @param paramArrayOfString
* @throws Exception
*/
public static void main(String[] paramArrayOfString)
throws Exception
{
try
{
Class.forName("oracle.jdbc.driver.OracleDriver");
String str1 = "jdbc:oracle:thin:@indlin076:1521:VELABP1";
String str2 = "VELDB2";
String str3 = "VELDB2";
Connection localConnection = DriverManager.getConnection(str1, str2, str3);
HSSFWorkbook localHSSFWorkbook = new HSSFWorkbook();
localConnection.setAutoCommit(false);
Statement localStatement = localConnection.createStatement();
String str4 = "VELDBO2";
String str5 = "VELDBO2";
String str6 = "@DB14";
String filename="C://Users/debankad/Desktop/empha.xls";
FileReader localFileReader = new FileReader("C://Users/debankad/Desktop/QueriesOfQa.txt");
BufferedReader localBufferedReader = new BufferedReader(localFileReader);
String str11;
String paramString= "";
//StringBuilder stringBuilder = new StringBuilder();
while ((str11 = localBufferedReader.readLine()) != null)
{
if (str11.startsWith("--EPC")){
paramString = str11.replace("--","").toUpperCase();
System.out.println("PARAMSTRING" + paramString);
}
if (!str11.endsWith(";")){
System.out.println(str11);
String str14 = str11;
if (str11 != null && !str11.isEmpty() && !str11.startsWith("--") && !str11.startsWith("//")){
paramString = paramString + 1;
ResultSet localResultSet = localStatement.executeQuery(str11);
int i = recordCountinResultSet(localResultSet);
HSSFSheet localHSSFSheet = localHSSFWorkbook.createSheet(paramString);
HSSFRow localHSSFRow = localHSSFSheet.createRow(0);
ResultSetMetaData localResultSetMetaData = localResultSet.getMetaData();
for (int k = 0; k < localResultSetMetaData.getColumnCount(); k++){
localHSSFRow.createCell((short)k).setCellValue(localResultSetMetaData.getColumnLabel(k + 1));
for (int k1 = 1; localResultSet.next(); k1++)
{
localHSSFRow = localHSSFSheet.createRow((short)k1);
for (int j = 0; j < localResultSetMetaData.getColumnCount(); j++)
localHSSFRow.createCell((short)j).setCellValue(localResultSet.getString(j + 1));
}
}
FileOutputStream fileOut = new FileOutputStream(filename);
localHSSFWorkbook.write(fileOut);
fileOut.close();
System.out.println("Your excel file has been generated!");
if (i == 0)
{
System.out.println("QA Passed");
}
else if (i >= 1)
{
System.out.println("QA Failed");
}
else
{
System.out.println("No such Query");
}
}
}
//selectTableCreation(localStatement,localFileReader);
// String str8 = str2.substring(str2.lastIndexOf(" "), str2.length()).trim().toUpperCase();
// System.out.println(str8);
}} catch (Exception E){
E.printStackTrace();
}
}
@SuppressWarnings("rawtypes")
public static List selectTableCreation(Statement paramStatement, FileReader paramFileReader)
{
ArrayList<ResultSet> localArrayList = new ArrayList<ResultSet>();
try
{
BufferedReader localBufferedReader = new BufferedReader(paramFileReader);
String str1;
while ((str1 = localBufferedReader.readLine()) != null)
{
String str2 = str1;
try
{
ResultSet localResultSet = paramStatement.executeQuery(str2);
System.out.println("Result Set Obtained");
localArrayList.add(localResultSet);
}
catch (Exception localException2)
{
}
}
}
catch (Exception localException1)
{
System.out.println("Exception caught as::" + localException1.getMessage());
}
return localArrayList;
}
@SuppressWarnings("deprecation")
public static void writeToFile(HSSFWorkbook paramHSSFWorkbook, ResultSet paramResultSet, String paramString)
throws Exception
{
HSSFSheet localHSSFSheet = paramHSSFWorkbook.createSheet(paramString);
HSSFRow localHSSFRow = localHSSFSheet.createRow(0);
ResultSetMetaData localResultSetMetaData = paramResultSet.getMetaData();
for (int i = 0; i < localResultSetMetaData.getColumnCount(); i++)
localHSSFRow.createCell((short)i).setCellValue(localResultSetMetaData.getColumnLabel(i + 1));
for (int i = 1; paramResultSet.next(); i++)
{
localHSSFRow = localHSSFSheet.createRow((short)i);
for (int j = 0; j < localResultSetMetaData.getColumnCount(); j++)
localHSSFRow.createCell((short)j).setCellValue(paramResultSet.getString(j + 1));
}}
public static int recordCountinResultSet(ResultSet paramResultSet)
{
int i = 0;
try
{
while (paramResultSet.next())
i++;
}
catch (Exception localException)
{
System.out.println("Exception obtained as" + localException.getMessage());
}
return i;
}
}