【Code】Excel轉成Html

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package excel2html;

/**
* excel信息表
* @author Administrator
*
*/
public class VExcelInf {
private int row ;//所在跨行
private int clum;//所在列
private String front;//字體
private int backcolorR;//背景色r
private int backcolorG;//背景色g
private int backcolorB;//背景色b
private int fontcolorR;//字體顏色r
private int fontcolorG;//字體顏色g
private int fontcolorB;//字體顏色b
private int khang;//跨行
private int klie;//跨列
private int height;//高度
private int width;//寬度
private String content;//內容
private boolean useable;//該單元格是否可用
private String alignment;//對其方式
private String cellType;//單元格類型：日期，數字，布爾，標籤
public int getRow() {
	return row;
}
public void setRow(int row) {
	this.row = row;
}
public int getClum() {
	return clum;
}
public void setClum(int clum) {
	this.clum = clum;
}
public String getFront() {
	return front;
}
public void setFront(String front) {
	this.front = front;
}
public int getBackcolorR() {
	return backcolorR;
}
public void setBackcolorR(int backcolorR) {
	this.backcolorR = backcolorR;
}
public int getBackcolorG() {
	return backcolorG;
}
public void setBackcolorG(int backcolorG) {
	this.backcolorG = backcolorG;
}
public int getBackcolorB() {
	return backcolorB;
}
public void setBackcolorB(int backcolorB) {
	this.backcolorB = backcolorB;
}
public int getFontcolorR() {
	return fontcolorR;
}
public void setFontcolorR(int fontcolorR) {
	this.fontcolorR = fontcolorR;
}
public int getFontcolorG() {
	return fontcolorG;
}
public void setFontcolorG(int fontcolorG) {
	this.fontcolorG = fontcolorG;
}
public int getFontcolorB() {
	return fontcolorB;
}
public void setFontcolorB(int fontcolorB) {
	this.fontcolorB = fontcolorB;
}
public int getKhang() {
	return khang;
}
public void setKhang(int khang) {
	this.khang = khang;
}
public int getKlie() {
	return klie;
}
public void setKlie(int klie) {
	this.klie = klie;
}
public int getHeight() {
	return height;
}
public void setHeight(int height) {
	this.height = height;
}
public int getWidth() {
	return width;
}
public void setWidth(int width) {
	this.width = width;
}
public String getContent() {
	return content;
}
public void setContent(String content) {
	this.content = content;
}
public boolean isUseable() {
	return useable;
}
public void setUseable(boolean useable) {
	this.useable = useable;
}
public String getAlignment() {
	return alignment;
}
public void setAlignment(String alignment) {
	this.alignment = alignment;
}
public String getCellType() {
	return cellType;
}
public void setCellType(String cellType) {
	this.cellType = cellType;
}


}

package excel2html;

import java.util.ArrayList;
import java.util.List;

import jxl.Cell;
import jxl.Range;
import jxl.Sheet;
import jxl.Workbook;

public class ReadExcel {

	public static List<VExcelInf>[]  importExcelInf(Workbook wb){

	  if(wb==null){
	   throw new RuntimeException("表格信息爲空");
	  }
	  Sheet st = wb.getSheet(0);
	  if(st.getRows()>25000){
	   throw new RuntimeException("讀取信息過大，不能讀取:最大行數  "+25000);
	  }
	  Cell[] myCells;
	  List<VExcelInf>[]listArray = new ArrayList[st.getRows()];
	  for (int i = 0; i < st.getRows(); i++) {
	   try {
	    listArray[i] = new ArrayList<VExcelInf>();
	    myCells = st.getRow(i);
	    for (int j = 0; j < myCells.length; j++) {
	     if(myCells[j].getContents()==null){
	      return null;
	     }
	     VExcelInf temp =new  VExcelInf();
	      if(myCells[j]!=null){
	       temp.setContent(myCells[j].getContents());//內容
	       temp.setCellType(myCells[j].getType().toString()=="empty"?null:myCells[j].getType().toString());
	       temp.setClum(myCells[j].getColumn());//所在列
	       temp.setRow(myCells[j].getRow());//所在行
	      }
	     if(myCells[j].getCellFormat()!=null){ 
	      temp.setBackcolorB(myCells[j].getCellFormat().getBackgroundColour().getDefaultRGB().getBlue());
	      temp.setBackcolorG(myCells[j].getCellFormat().getBackgroundColour().getDefaultRGB().getGreen());
	      temp.setBackcolorR(myCells[j].getCellFormat().getBackgroundColour().getDefaultRGB().getRed());
	      temp.setFontcolorB(myCells[j].getCellFormat().getFont().getColour().getDefaultRGB().getBlue());
	      temp.setFontcolorG(myCells[j].getCellFormat().getFont().getColour().getDefaultRGB().getGreen());
	      temp.setFontcolorR(myCells[j].getCellFormat().getFont().getColour().getDefaultRGB().getRed());
	      temp.setFront(myCells[j].getCellFormat().getFont().getScriptStyle().getDescription());// 字體
//	      部分信息未讀取成功
	     }
	     else{
	      temp.setBackcolorB(255);
	      temp.setBackcolorG(255);
	      temp.setBackcolorR(255);
	     }
	     listArray[i].add(temp);
	    }

	   } catch (Exception e) {
	    e.printStackTrace();
	    throw new RuntimeException("讀取excel表格信息失敗");
	   }
	  }
	  //讀取跨行跨列
//	  Range[] ranges = st.getMergedCells(); 
//	  if(ranges!=null)
//	   for (int i = 0; i < ranges.length; i++) {
//		Range range = ranges[i];
//	    if(range.getBottomRight().getColumn()!=range.getTopLeft().getColumn()&&range.getBottomRight().getRow()!=range.getTopLeft().getRow()){
//	     listArray[range.getTopLeft().getRow()].get(range.getTopLeft().getColumn()).setKhang((range.getBottomRight().getRow()-range.getTopLeft().getRow()));
//	     listArray[range.getTopLeft().getRow()].get(range.getTopLeft().getColumn()).setKlie((range.getBottomRight().getColumn()-range.getTopLeft().getColumn()));
//	    
//	    }
//	    else if(range.getBottomRight().getColumn()==range.getTopLeft().getColumn()){
//	     listArray[range.getTopLeft().getRow()].get(range.getTopLeft().getColumn()).setKhang((range.getBottomRight().getRow()-range.getTopLeft().getRow()));
//	    }
//	    else if(range.getBottomRight().getRow()==range.getTopLeft().getRow()){
//	     listArray[range.getTopLeft().getRow()].get(range.getTopLeft().getColumn()).setKlie((range.getBottomRight().getColumn()-range.getTopLeft().getColumn()));
//	    }
//	   
//	   }
	  //跨行跨列後，標記他所覆蓋的單元格
//	  for (int i = 0; i < listArray.length; i++) {
//	   for (int j = 0; j < listArray[i].size(); j++) {
//	    boolean b=false ;
//	    //如果是跨行、跨列則被跨的行和列不顯示，比如跨2行、2列，則該列後的2列設置爲不顯示，該行後的兩行設置爲不顯示
//	     for (int j2 = i; j2 <i+listArray[i].get(j).getKhang()+1; j2++) {
//	      for (int k = j; k < j+listArray[i].get(j).getKlie()+1; k++) {
//	       if(b)
//	       listArray[j2].get(k).setUseable(true);
//	       b= true;
//	      }
//	     }
//	   }
//	  }
//	  for (int i = 0; i < listArray.length; i++) {
//	   for (int j = 0; j < listArray[i].size(); j++) {
//	    if(!listArray.get(j).isUseable()){
//	     if(listArray.get(j).getKhang()!=0)
//	      listArray.get(j).setKhang(listArray.get(j).getKhang()+1);
//	     if(listArray.get(j).getKlie()!=0)
//	      listArray.get(j).setKlie(listArray.get(j).getKlie()+1);
//	     }
//	   }
//	  }
	  return listArray;
	}
	}

package excel2html;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import jxl.Workbook;
import jxl.read.biff.BiffException;
/**
* excel錶轉html表方法
* 本方法基於jxl,對圖片、公式支持較差。
* 能將表格的內容、跨行、跨列、背景色轉換成html樣式，表格的高度寬度屬於常量，並未從表格中讀取
* 轉換後將丟失的信息：高度、寬度、字體顏色、字體、圖片、公式、
* @author lxs
*
*/
public class  Excel2Html {
public Excel2Html(){
  this.setFontSize(15);
}
private int fontSize;//字體大小
    public int getFontSize() {
  return fontSize;
}
public void setFontSize(int fontSize) {
  this.fontSize = fontSize;
}
/**
     * 根據輸入流組裝html，並寫入到輸出流
     * @param insExcel
     * @param osHtml
     * @throws IOException
     * @throws BiffException
     */
public   void change2Html(InputStream insExcel,OutputStream osHtml) throws IOException,BiffException{
  Workbook wb = null;
  try {
   wb = Workbook.getWorkbook(insExcel);
  } catch (Exception e) {
   throw new RuntimeException("文件格式不正確,必須傳入excel文件");
  }
  List<VExcelInf>[]listArray ;
  listArray =ReadExcel.importExcelInf(wb);
//  String tem="   height:auto; width:1000px;max-width:1000px; text-align:center; ";
  String html ="<html xmlns:t="+"http://tapestry.apache.org/schema/tapestry_5_0_0.xsd"+">";
  String style ="<style>  <!--table   .xl66 {mso-style-parent:style0;  border:.2pt solid windowtext;} --> </style>";
  String body= "<body>";
  String table ="<table   border=0 cellspacing=0  style=font-size:"+this.getFontSize()+" cellpadding=0 class=ddTab id=mainTab>";
  List<StringBuffer> tableString= new ArrayList<StringBuffer>();
  tableString.add(new StringBuffer(html));
  tableString.add(new StringBuffer(style));
  tableString.add(new StringBuffer(body));
  tableString.add(new StringBuffer(table));
  for (int i = 0; i < listArray.length; i++) {
   tableString.add(new StringBuffer( "<tr>"));
   for (int j = 0; j < listArray[i].size(); j++) {
    if(!listArray[i].get(j).isUseable()){
     StringBuffer td =null;
     StringBuffer tempBoder=null;
     StringBuffer rgbAndHeight=new StringBuffer("");
     if(!(listArray[i].get(j).getBackcolorR()==255&&listArray[i].get(j).getBackcolorG()==255&&listArray[i].get(j).getBackcolorB()==255))
      rgbAndHeight =new StringBuffer("  bgcolor=rgb("+listArray[i].get(j).getBackcolorR()+","+listArray[i].get(j).getBackcolorG()+","+listArray[i].get(j).getBackcolorB()+")");
     if(i==0&&j==0)
      ;     
     else if(j==0){
      tempBoder =new StringBuffer("style='border-top:none'");
     }
     else if(i==0){
      tempBoder=new StringBuffer("style='border-left:none'");
     }
     else 
      tempBoder=new StringBuffer("style='border-left:none ; border-top:none'");
     td =new StringBuffer(" <td   class=xl66   "+tempBoder+rgbAndHeight+"  colspan="+listArray[i].get(j).getKlie()+"  rowspan="+listArray[i].get(j).getKhang()+">"+listArray[i].get(j).getContent()+" 　</td>");
     tableString.add(td);
    }
   }
   tableString.add(new StringBuffer("</tr>"));
   if(i%1000==0){
    bufferWrite(tableString, osHtml);
    tableString.clear();
    continue;
   }
  }
    for (int i = 0; i <tableString.size(); i++) {
     if(tableString.get(i)!=null&&tableString.get(i).toString()!=null)
     osHtml.write((tableString.get(i).toString()+"\r\n").getBytes());
   }
    osHtml.write((new StringBuffer( "</table>")+"\r\n").getBytes());
    osHtml.write((new StringBuffer( "</body>")+"\r\n").getBytes());
    osHtml.close();
    tableString=null;
    listArray=null;
}
/**
  * 根據輸入流把流文件轉換成實體html文件
  * @param excelIn
  * @param htmlFileName
  * @throws IOException
  * @throws BiffException
  */
public   void change2Html(InputStream excelIn,String htmlFileName) throws IOException,BiffException{
  OutputStream outpsForHtml = new FileOutputStream(htmlFileName);
  this.change2Html(excelIn, outpsForHtml );
}

/**
  * 根據倆個excel實體文件和excel名字 地址把html轉換成excel實體
  * @param excelFileName
  * @param htmlFileName
  * @throws IOException
  * @throws BiffException
  */
public   void change2Html(String excelFileName,String htmlFileName) throws IOException,BiffException{
  FileInputStream in = new FileInputStream(excelFileName);
  change2Html(in, htmlFileName);
}
/**
  * 將字符串緩衝寫入輸出流以便減小內存開銷
  * @param tableString
  * @param osHtml
  * @throws IOException
  */
private void bufferWrite(List<StringBuffer> tableString ,OutputStream osHtml) throws IOException{
  for (int i = 0; i <tableString.size(); i++) {
     if(tableString.get(i)!=null&&tableString.get(i).toString()!=null)
     osHtml.write((tableString.get(i).toString()+"\r\n").getBytes());
   }
}

public static void main(String[] args) throws BiffException, IOException{

	Excel2Html e2h = new Excel2Html();
	e2h.setFontSize(12);
	e2h.change2Html("E:\\a.xls","E:\\a.htm");

}
}