diff --git a/.classpath b/.classpath new file mode 100644 index 0000000..4e3e232 --- /dev/null +++ b/.classpath @@ -0,0 +1,14 @@ + + + + + + + + + + + + + + diff --git a/.project b/.project new file mode 100644 index 0000000..c710560 --- /dev/null +++ b/.project @@ -0,0 +1,17 @@ + + + TestReadFromExcel + + + + + + org.eclipse.jdt.core.javabuilder + + + + + + org.eclipse.jdt.core.javanature + + diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs new file mode 100644 index 0000000..8000cd6 --- /dev/null +++ b/.settings/org.eclipse.jdt.core.prefs @@ -0,0 +1,11 @@ +eclipse.preferences.version=1 +org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled +org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6 +org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve +org.eclipse.jdt.core.compiler.compliance=1.6 +org.eclipse.jdt.core.compiler.debug.lineNumber=generate +org.eclipse.jdt.core.compiler.debug.localVariable=generate +org.eclipse.jdt.core.compiler.debug.sourceFile=generate +org.eclipse.jdt.core.compiler.problem.assertIdentifier=error +org.eclipse.jdt.core.compiler.problem.enumIdentifier=error +org.eclipse.jdt.core.compiler.source=1.6 diff --git a/bin/com/hjd/poiutils/ExcelUtils.class b/bin/com/hjd/poiutils/ExcelUtils.class new file mode 100644 index 0000000..6eefb49 Binary files /dev/null and b/bin/com/hjd/poiutils/ExcelUtils.class differ diff --git a/libs/dom4j-1.6.1.jar b/libs/dom4j-1.6.1.jar new file mode 100644 index 0000000..c8c4dbb Binary files /dev/null and b/libs/dom4j-1.6.1.jar differ diff --git a/libs/poi-3.10.1-20140818.jar b/libs/poi-3.10.1-20140818.jar new file mode 100644 index 0000000..dd1ab4a Binary files /dev/null and b/libs/poi-3.10.1-20140818.jar differ diff --git a/libs/poi-examples-3.10.1-20140818.jar b/libs/poi-examples-3.10.1-20140818.jar new file mode 100644 index 0000000..4985833 Binary files /dev/null and b/libs/poi-examples-3.10.1-20140818.jar differ diff --git a/libs/poi-excelant-3.10.1-20140818.jar b/libs/poi-excelant-3.10.1-20140818.jar new file mode 100644 index 0000000..666ede0 Binary files /dev/null and b/libs/poi-excelant-3.10.1-20140818.jar differ diff --git a/libs/poi-ooxml-3.10.1-20140818.jar b/libs/poi-ooxml-3.10.1-20140818.jar new file mode 100644 index 0000000..fab0eea Binary files /dev/null and b/libs/poi-ooxml-3.10.1-20140818.jar differ diff --git a/libs/poi-ooxml-schemas-3.10.1-20140818.jar b/libs/poi-ooxml-schemas-3.10.1-20140818.jar new file mode 100644 index 0000000..f8602b5 Binary files /dev/null and b/libs/poi-ooxml-schemas-3.10.1-20140818.jar differ diff --git a/libs/poi-scratchpad-3.10.1-20140818.jar b/libs/poi-scratchpad-3.10.1-20140818.jar new file mode 100644 index 0000000..61ec79f Binary files /dev/null and b/libs/poi-scratchpad-3.10.1-20140818.jar differ diff --git a/libs/xmlbeans-2.3.0.jar b/libs/xmlbeans-2.3.0.jar new file mode 100644 index 0000000..ccd8163 Binary files /dev/null and b/libs/xmlbeans-2.3.0.jar differ diff --git a/src/com/hjd/poiutils/ExcelUtils.java b/src/com/hjd/poiutils/ExcelUtils.java new file mode 100644 index 0000000..1827ccc --- /dev/null +++ b/src/com/hjd/poiutils/ExcelUtils.java @@ -0,0 +1,318 @@ +package com.hjd.poiutils; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.math.BigDecimal; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; + +import org.apache.poi.ss.usermodel.Sheet; + +import org.apache.poi.hssf.usermodel.HSSFCellStyle; +import org.apache.poi.hssf.usermodel.HSSFFont; +import org.apache.poi.hssf.usermodel.HSSFWorkbook; +import org.apache.poi.hssf.util.HSSFColor; +import org.apache.poi.ss.usermodel.Cell; +import org.apache.poi.ss.usermodel.CellStyle; +import org.apache.poi.ss.usermodel.Font; +import org.apache.poi.ss.usermodel.Row; +import org.apache.poi.ss.usermodel.Workbook; +import org.apache.poi.xssf.usermodel.XSSFWorkbook; + +public class ExcelUtils { + + public static final String HEADERINFO = "headInfo"; + public static final String DATAINFON = "dataInfo"; + + /** + * + * @Title: getWeebWork + * @Description: TODO(根据传入的文件名获取工作簿对象(Workbook)) + * @param filename + * @return + * @throws IOException + */ + public static Workbook getWeebWork(String filename) throws IOException { + Workbook workbook = null; + if (null != filename) { + String fileType = filename.substring(filename.lastIndexOf("."), + filename.length()); + FileInputStream fileStream = new FileInputStream(new File(filename)); + if (".xls".equals(fileType.trim().toLowerCase())) { + workbook = new HSSFWorkbook(fileStream);// 创建 Excel 2003 工作簿对象 + } else if (".xlsx".equals(fileType.trim().toLowerCase())) { + workbook = new XSSFWorkbook(fileStream);// 创建 Excel 2007 工作簿对象 + } + } + return workbook; + } + + /** + * + * @Title: writeExcel + * @Description: TODO(导出Excel表) + * @param pathname + * :导出Excel表的文件路径 + * @param map + * ：封装需要导出的数据(HEADERINFO封装表头信息，DATAINFON：封装要导出的数据信息,此处需要使用TreeMap + * ) 例如： map.put(ExcelUtil.HEADERINFO,List headList); + * map.put(ExcelUtil.DATAINFON,List> + * dataList); + * @param wb + * @throws IOException + */ + public static void writeExcel(String pathname, Map map, + Workbook wb) throws IOException { + if (null != map && null != pathname) { + List headList = (List) map + .get(ExcelUtils.HEADERINFO); + List> dataList = (List>) map + .get(ExcelUtils.DATAINFON); + CellStyle style = getCellStyle(wb); + Sheet sheet = wb.createSheet();// 在文档对象中创建一个表单..默认是表单名字是Sheet0、Sheet1.... + // Sheet sheet = wb.createSheet("hell poi");//在创建爱你表单的时候指定表单的名字 + + /** + * 设置Excel表的第一行即表头 + */ + Row row = sheet.createRow(0); + for (int i = 0; i < headList.size(); i++) { + Cell headCell = row.createCell(i); + headCell.setCellType(Cell.CELL_TYPE_STRING);// 设置这个单元格的数据的类型,是文本类型还是数字类型 + headCell.setCellStyle(style);// 设置表头样式 + headCell.setCellValue(String.valueOf(headList.get(i)));// 给这个单元格设置值 + } + + for (int i = 0; i < dataList.size(); i++) { + Row rowdata = sheet.createRow(i + 1);// 创建数据行 + TreeMap mapdata = dataList.get(i); + Iterator it = mapdata.keySet().iterator(); + int j = 0; + while (it.hasNext()) { + String strdata = String.valueOf(mapdata.get(it.next())); + Cell celldata = rowdata.createCell(j);// 在一行中创建某列.. + celldata.setCellType(Cell.CELL_TYPE_STRING); + celldata.setCellValue(strdata); + j++; + } + } + + // 文件流 + File file = new File(pathname); + OutputStream os = new FileOutputStream(file); + os.flush(); + wb.write(os); + os.close(); + } + } + + /** + * + * @Title: getCellStyle + * @Description: TODO（设置表头样式） + * @param wb + * @return + */ + public static CellStyle getCellStyle(Workbook wb) { + CellStyle style = wb.createCellStyle(); + Font font = wb.createFont(); + font.setFontName("宋体"); + font.setFontHeightInPoints((short) 12);// 设置字体大小 + font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);// 加粗 + style.setFillForegroundColor(HSSFColor.LIME.index);// 设置背景色 + style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); + style.setAlignment(HSSFCellStyle.SOLID_FOREGROUND);// 让单元格居中 + // style.setWrapText(true);//设置自动换行 + style.setFont(font); + return style; + } + + /** + * + * @Title: readerExcelDemo + * @Description: TODO(读取Excel表中的数据) + * @throws IOException + */ + public static void readFromExcelDemo() throws IOException { + /** + * 读取Excel表中的所有数据 + */ + Workbook workbook = getWeebWork("E:/test.xlsx"); + System.out.println("总表页数为：" + workbook.getNumberOfSheets());// 获取表页数 + Sheet sheet = workbook.getSheetAt(0); + // Sheet sheet = workbook.getSheetAt(1); + int rownum = sheet.getLastRowNum();// 获取总行数 + for (int i = 0; i <= rownum; i++) { + Row row = sheet.getRow(i); + Cell orderno = row.getCell(2);// 获取指定单元格中的数据 + // System.out.println(orderno.getCellType());//这个打印的是cell的type + short cellnum = row.getLastCellNum(); // 获取单元格的总列数 + for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) { + Cell celldata = row.getCell(j); + System.out.print(celldata + "\t"); + } + System.out.println(); + } + + /** + * 读取指定位置的单元格 + */ + // Row row1 = sheet.getRow(1); + // Cell cell1 = row1.getCell(2); + // System.out.print("(1,2)位置单元格的值为："+cell1); + // BigDecimal big = new + // BigDecimal(cell1.getNumericCellValue());//将科学计数法表示的数据转化为String类型 + // System.out.print("\t"+String.valueOf(big)); + + } + + public static void readFromExcelDemo1() throws IOException { + /** + * 读取Excel表中的所有数据 + * + * Workbook: excel的文档对象 sheet: excel的表单 row: excel中的行 cell: excel中的单元格子 + * + */ + Workbook workbook = getWeebWork("E:/test.xlsx"); + System.out.println("总表页数为：" + workbook.getNumberOfSheets());// 获取表页数 + // Sheet sheet =workbook.getSheetAt(0); + Sheet sheet = workbook.getSheetAt(2);// 获取第二个表单 + int rownum = sheet.getLastRowNum();// 获取总行数 + for (int i = 0; i <= rownum; i++) { + Row row = sheet.getRow(i);// 获取表达的第i行 + // Cell orderno = + // row.getCell(2);//获取指定单元格中的数据(获取一行中的第2列(这里的2指的是0,1,2.排在第三位)) + // System.out.println(orderno.getCellType());//这个打印的是cell的type + // short cellnum=row.getLastCellNum(); + // //获取单元格的总列数(获取一行中有多少个单元格(也就是多少列)) + + /** + * row.getFirstCellNum(): 获取行的第一个单元格的位置 row.getLastCellNum(): + * 获取行的最后一个单元格的位置 + */ + for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) {// 遍历一行中的所有列 + Cell celldata = row.getCell(j);// 获取一行中的第j列返回Cell类型的数据 + System.out.print(celldata + "\t");// + } + + // 打印指定列 + // Cell celldata = row.getCell(4);//获取这一行中的第4列(在第5个位置上) + // System.out.print( "\"" + celldata+"\","); + + System.out.println(); + } + + /** + * 读取指定位置的单元格 + */ + // Row row1 = sheet.getRow(1); + // Cell cell1 = row1.getCell(2); + // System.out.print("(1,2)位置单元格的值为："+cell1); + // BigDecimal big = new + // BigDecimal(cell1.getNumericCellValue());//将科学计数法表示的数据转化为String类型 + // System.out.print("\t"+String.valueOf(big)); + + } + + + public static void readFromExcelDemo(String fileAbsolutePath) throws IOException { + /** + * 读取Excel表中的所有数据 + */ + Workbook workbook = getWeebWork(fileAbsolutePath); + System.out.println("总表页数为：" + workbook.getNumberOfSheets());// 获取表页数 + Sheet sheet = workbook.getSheetAt(0); + // Sheet sheet = workbook.getSheetAt(1); + int rownum = sheet.getLastRowNum();// 获取总行数 + for (int i = 0; i <= rownum; i++) { + Row row = sheet.getRow(i); + Cell orderno = row.getCell(2);// 获取指定单元格中的数据 + // System.out.println(orderno.getCellType());//这个打印的是cell的type + short cellnum = row.getLastCellNum(); // 获取单元格的总列数 + for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) { + Cell celldata = row.getCell(j); + System.out.print(celldata + "\t"); + } + System.out.println(); + } + + /** + * 读取指定位置的单元格 + */ + // Row row1 = sheet.getRow(1); + // Cell cell1 = row1.getCell(2); + // System.out.print("(1,2)位置单元格的值为："+cell1); + // BigDecimal big = new + // BigDecimal(cell1.getNumericCellValue());//将科学计数法表示的数据转化为String类型 + // System.out.print("\t"+String.valueOf(big)); + + } + + + public static void main(String[] args) throws IOException { +// readFromExcelDemo1(); + +// String filePath = "E:/test.xlsx"; +// readFromExcelDemo(filePath);//从一个指定的excel文件中读取内容 + + +// writeToExcelDemo(); + } + + + + public static void writeToExcelDemo() throws IOException { + /** + * HSSF: .xls XSSF: .xlsx 所以大家会在官网中看到Excel = HSSF+XSSF + * + * HSSF是POI工程对Excel 97(-2007)文件操作的纯Java实现 XSSF是POI工程对Excel 2007 OOXML + * (.xlsx)文件操作的纯Java实现 + * + * 从POI 3.8版本开始，提供了一种基于XSSF的低内存占用的API----SXSSF + * + */ + + Workbook wb = new XSSFWorkbook();// 创建一个新的excel的文档对象 + Map map = new HashMap(); + List headList = new ArrayList();// 表头数据 + headList.add("下单时间"); + headList.add("结账时间"); + headList.add("订单编号"); + headList.add("订单金额"); + headList.add("用户名");// excel的都 + + /** + * TreeMap基于红黑树实现 + */ + List dataList = new ArrayList();// 表格内的数据 + for (int i = 0; i < 15; i++) { + TreeMap treeMap = new TreeMap();// 此处的数据必须为有序数据，所以使用TreeMap进行封装 + treeMap.put("m1", "2013-10-" + i + 1); + treeMap.put("m2", "2013-11-" + i + 1); + treeMap.put("m3", "20124" + i + 1); + treeMap.put("m4", 23.5 + i + 1); + treeMap.put("m5", "张三_" + i); + dataList.add(treeMap); + } + + /* + * 先不要加上以下这一段,否则以下错误: Cannot get a numeric value from a text + * cell(不能从一个text cell中获取数字类型的数据) + * + * 解决办法: http://blog.csdn.net/ysughw/article/details/9288307 + */ + // TreeMap treeMap1 = new TreeMap(); + // treeMap1.put("asd", null); + // treeMap1.put("猪头", "zhutou"); + // dataList.add(treeMap1); + map.put(ExcelUtils.HEADERINFO, headList); + map.put(ExcelUtils.DATAINFON, dataList); + writeExcel("E:/test1.xlsx", map, wb);//往wb里面写map中内容，生成E:/test1.xlsx这个文件.... + } +}