标签：2321
package util;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.DateFormat;
import java.text.DecimalFormat;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import database.DBMSDataInfo2;
public class ExcelReaderUtils {
private BufferedReader reader = null;
private String filetype;
private InputStream is = null;
private int currSheet = 0;
private int currPosition = 0;
private int sheetCount;
private Workbook workbook = null;
public static String EXCEL_LINE_DELIMITER = "#@#";
public ExcelReaderUtils(String inputfile, int currSheet)
throws Exception {
this(inputfile);
this.currSheet = currSheet;
}
public ExcelReaderUtils(String inputfile, int currSheet, int currPosition)
throws Exception {
this(inputfile);
this.currSheet = currSheet;
this.currPosition = currPosition;
}
public ExcelReaderUtils(String inputfile) throws Exception {
if ((inputfile == null) || (inputfile.trim().equals(""))) {
throw new IOException("no input file specified");
}
this.filetype = inputfile.substring(inputfile.lastIndexOf(".") + 1);
this.currPosition = 0;
this.is = new FileInputStream(inputfile);
if (this.filetype.equalsIgnoreCase("txt")) {
this.reader = new BufferedReader(new InputStreamReader(this.is));
} else if (this.filetype.equalsIgnoreCase("xls")) {
this.workbook = new HSSFWorkbook(this.is);
this.sheetCount = this.workbook.getNumberOfSheets();
} else if (this.filetype.equalsIgnoreCase("xlsx")) {
this.workbook = new XSSFWorkbook(this.is);
} else {
throw new Exception("File Type Not Supported");
}
}
public ExcelReaderUtils(InputStream is,String filetype) throws Exception {
this.filetype = filetype;
this.currPosition = 0;
this.is = is;
if (this.filetype.equalsIgnoreCase("txt")) {
this.reader = new BufferedReader(new InputStreamReader(this.is));
} else if (this.filetype.equalsIgnoreCase("xls")) {
this.workbook = new HSSFWorkbook(this.is);
this.sheetCount = this.workbook.getNumberOfSheets();
} else if (this.filetype.equalsIgnoreCase("xlsx")) {
this.workbook = new XSSFWorkbook(this.is);
} else {
throw new Exception("File Type Not Supported");
}
}
public ExcelReaderUtils(InputStream is,String filetype,int currSheet) throws Exception {
this.filetype = filetype;
this.currPosition = 0;
this.currSheet = currSheet;
this.is = is;
if (this.filetype.equalsIgnoreCase("txt")) {
this.reader = new BufferedReader(new InputStreamReader(this.is));
} else if (this.filetype.equalsIgnoreCase("xls")) {
this.workbook = new HSSFWorkbook(this.is);
this.sheetCount = this.workbook.getNumberOfSheets();
} else if (this.filetype.equalsIgnoreCase("xlsx")) {
this.workbook = new XSSFWorkbook(this.is);
} else {
throw new Exception("File Type Not Supported");
}
}
public ExcelReaderUtils(InputStream is,String filetype,int currSheet,int currPosition) throws Exception {
this.filetype = filetype;
this.currPosition = currPosition;
this.currSheet = currSheet;
this.is = is;
if (this.filetype.equalsIgnoreCase("txt")) {
this.reader = new BufferedReader(new InputStreamReader(this.is));
} else if (this.filetype.equalsIgnoreCase("xls")) {
this.workbook = new HSSFWorkbook(this.is);
this.sheetCount = this.workbook.getNumberOfSheets();
} else if (this.filetype.equalsIgnoreCase("xlsx")) {
this.workbook = new XSSFWorkbook(this.is);
} else {
throw new Exception("File Type Not Supported");
}
}
public boolean haxNextLine() throws IOException {
if (this.filetype.equalsIgnoreCase("txt")) {
return false;
}
Sheet sheet = this.workbook.getSheetAt(this.currSheet);
if ((this.currPosition > sheet.getLastRowNum())
&& (this.currSheet != this.sheetCount - 1)) {
return true;
}
if (this.currPosition <= sheet.getLastRowNum()) {
return true;
}
return false;
}
public String readLine() throws IOException {
if (this.filetype.equalsIgnoreCase("txt")) {
String str = this.reader.readLine();
while (str.trim().equals("")) {
str = this.reader.readLine();
}
return str;
}
if (this.filetype.equalsIgnoreCase("xls") || this.filetype.equalsIgnoreCase("xlsx")) {
Sheet sheet = this.workbook.getSheetAt(this.currSheet);
if (this.currPosition > sheet.getLastRowNum()) {
this.currPosition = 0;
while (this.currSheet != this.sheetCount - 1) {
this.currSheet += 1;
sheet = this.workbook.getSheetAt(this.currSheet);
if (this.currPosition != sheet.getLastRowNum()) {
int row = this.currPosition;
this.currPosition += 1;
return getLine(sheet, row);
}
}
return null;
}
int row = this.currPosition;
this.currPosition += 1;
return getLine(sheet, row);
}
return null;
}
public String[] readAllLines() {
return getAllLines(this.currSheet);
}
public String[] readAllLines(int currSheet) {
return getAllLines(currSheet);
}
private String getLine(Sheet sheet, int row) {
Row rowLine = sheet.getRow(row);
return getAllCells(rowLine);
}
private String[] getAllLines(int currSheet) {
Sheet sheet = this.workbook.getSheetAt(currSheet);
String[] strs = new String[sheet.getLastRowNum() + 1];
for (int i = 0; i <= sheet.getLastRowNum(); i++) {
Row rowLine = sheet.getRow(i);
strs[i] = getAllCells(rowLine);
}
return strs;
}
private String getAllCells(Row rowLine) {
StringBuffer buffer = new StringBuffer();
if (rowLine == null) {
return "";
}
int cellCount = rowLine.getLastCellNum();
for (int j = 0; j < cellCount; j++) {
Cell cell = rowLine.getCell(j);
if (cell != null) {
switch (cell.getCellType()) {
case HSSFCell.CELL_TYPE_NUMERIC:
if (HSSFDateUtil.isCellDateFormatted(cell)) {
DateFormat df = DateFormat.getDateInstance();
buffer.append(df.format(cell.getDateCellValue()));
} else {
double cellValue = cell.getNumericCellValue();
buffer.append(new DecimalFormat("#.######").format(cellValue));
}
break;
case HSSFCell.CELL_TYPE_STRING:
buffer.append(cell.getRichStringCellValue().toString()
.replaceAll("‘", "‘‘"));
break;
case HSSFCell.CELL_TYPE_FORMULA:
buffer.append(cell.getNumericCellValue());
break;
default:
buffer.append(" ");
break;
}
} else {
buffer.append(" ");
}
buffer.append(EXCEL_LINE_DELIMITER);
}
return buffer.toString();
}
public void setCurrPosition(int currPosition) {
this.currPosition = currPosition;
}
public int getSheetCount() {
return this.sheetCount;
}
public void close() {
if (this.is != null) {
try {
this.is.close();
} catch (IOException e) {
this.is = null;
}
}
if (this.reader != null) {
try {
this.reader.close();
} catch (IOException e) {
this.reader = null;
}
}
}
public static void main(String[] args) throws IOException, Exception {
ExcelReaderUtils eru = new ExcelReaderUtils("D:\\wangwei\\test.xlsx");
for(String str:eru.readAllLines(0)){
System.out.println(str);
};
}
private static void readDML() throws Exception{
ExcelReaderUtils eru = new ExcelReaderUtils("D:\\SQL\\DDL_DML.xlsx");
StringBuffer sb = new StringBuffer();
for(String str:eru.readAllLines(0)){
sb.append(str.replace(EXCEL_LINE_DELIMITER, ","));
};
System.out.println("---------ddl----------");
String content = sb.toString().substring(0,sb.toString().lastIndexOf(","));
System.out.println(content);
System.out.println("---------ddl--"+content.split(",").length+"--------");
System.err.println("---------ddl--"+DBMSDataInfo2.ddlTable.split(",").length+"--------");
System.out.println();
sb.delete(0, sb.toString().length());
for(String str:eru.readAllLines(1)){
sb.append(str.replace(EXCEL_LINE_DELIMITER, ","));
};
System.out.println("---------dml----------");
content = sb.toString().substring(0,sb.toString().lastIndexOf(","));
System.out.println(content);
System.out.println("---------dml--"+content.split(",").length+"--------");
System.out.println();
sb = new StringBuffer();
for(String str:eru.readAllLines(2)){
sb.append(str.replace(EXCEL_LINE_DELIMITER, ","));
};
System.out.println("---------data----------");
content = sb.toString().substring(0,sb.toString().lastIndexOf(","));
System.out.println(content);
System.out.println("---------data--"+content.split(",").length+"--------");
}
}
标签：2321
原文地址：http://4233497.blog.51cto.com/4223497/1657597
