运维管理系统

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2024-01-02 7b595546af704983dbafcd0d385c8768ddacefc2

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package PbuliClass;

import java.io.BufferedOutputStream;

import java.io.FileOutputStream;

import java.sql.ResultSet;

import org.apache.poi.hssf.usermodel.HSSFCell;

import org.apache.poi.hssf.usermodel.HSSFRow;

import org.apache.poi.hssf.usermodel.HSSFSheet;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

 

import DataBase.DatabaseManagement;

//Êý¾ÝתEXcelÊä³ö

public class dataToExcel {

    

    ResultSet rs;//½á¹û¼¯¶ÔÏó

 

    public  void toExcel( String sql, String outName,String sheetName) throws Exception {

        rs=DatabaseManagement.findForResultSet(sql);//Êý¾Ý¿â²éѯ        

        HSSFWorkbook wb = new HSSFWorkbook();//´´½¨excel¶ÔÏó

        HSSFSheet sheet =wb.createSheet(sheetName);//´´½¨excel±íµ¥

        HSSFRow row = sheet.createRow(0);//±íµ¥ÐжÔÏó

        HSSFCell cell;//±íµ¥ÁжÔÏó

        //ÎļþÍ·ÄÚÈÝÒ²¾ÍÊǵÚ0ÐеÄÖµ

        for (int j = 0; j < rs.getMetaData().getColumnCount(); ++j) {

            String colName = rs.getMetaData().getColumnLabel(j + 1);

            cell = row.createCell(j);

            cell.setCellValue(colName);//ÉèÖõ¥Ôª¸ñµÄÖµ

        }

        int i = 0;

        while (rs.next()) {

            row = sheet.createRow(i + 1);

            for (int j = 0; j < rs.getMetaData().getColumnCount(); ++j) {

                String c = rs.getString(j + 1);

                row.createCell(j).setCellValue(c);

            }

            ++i;

        }

        

        FileOutputStream output = new FileOutputStream(outName);//×Ö½ÚÊä³öÁ÷

        BufferedOutputStream buffOutput=new BufferedOutputStream(output,1024);//»º³å×Ö½ÚÊä³öÁ÷

        wb.write(buffOutput);

        output.flush();//Ë¢ÐÂ

        buffOutput.close();//¹Ø±ÕÁ÷

        output.close();//¹Ø±ÕÁ÷

        wb.close();//¹Ø±ÕÁ÷

        rs.close();  //¹Ø±ÕÁ÷      

    }

    

 

}