|
@@ -0,0 +1,456 @@
|
|
|
|
+package cn.com.qmth.print.manage.utils.excel;
|
|
|
|
+
|
|
|
|
+import com.google.common.collect.Lists;
|
|
|
|
+import org.apache.commons.lang.StringUtils;
|
|
|
|
+import org.apache.poi.ss.usermodel.*;
|
|
|
|
+import org.apache.poi.ss.util.CellRangeAddress;
|
|
|
|
+import org.apache.poi.xssf.streaming.SXSSFWorkbook;
|
|
|
|
+import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
|
|
|
|
+import org.apache.poi.xssf.usermodel.XSSFRichTextString;
|
|
|
|
+import org.slf4j.Logger;
|
|
|
|
+import org.slf4j.LoggerFactory;
|
|
|
|
+
|
|
|
|
+import javax.servlet.http.HttpServletResponse;
|
|
|
|
+import java.io.FileNotFoundException;
|
|
|
|
+import java.io.FileOutputStream;
|
|
|
|
+import java.io.IOException;
|
|
|
|
+import java.io.OutputStream;
|
|
|
|
+import java.lang.reflect.Field;
|
|
|
|
+import java.lang.reflect.Method;
|
|
|
|
+import java.net.URLEncoder;
|
|
|
|
+import java.util.*;
|
|
|
|
+
|
|
|
|
+/**
|
|
|
|
+ * 导出Excel文件(导出“XLSX”格式,支持大数据量导出 @see org.apache.poi.ss.SpreadsheetVersion)
|
|
|
|
+ * @author XiongKaiJun
|
|
|
|
+ * @version 2016-06-12
|
|
|
|
+ */
|
|
|
|
+public class ExportExcel {
|
|
|
|
+
|
|
|
|
+ private static Logger log = LoggerFactory.getLogger(ExportExcel.class);
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 工作薄对象
|
|
|
|
+ */
|
|
|
|
+ private SXSSFWorkbook wb;
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 工作表对象
|
|
|
|
+ */
|
|
|
|
+ private Sheet sheet;
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 样式列表
|
|
|
|
+ */
|
|
|
|
+ private Map<String, CellStyle> styles;
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 当前行号
|
|
|
|
+ */
|
|
|
|
+ private int rownum;
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 注解列表(Object[]{ ExcelField, Field/Method })
|
|
|
|
+ */
|
|
|
|
+ List<Object[]> annotationList = Lists.newArrayList();
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 构造函数
|
|
|
|
+ * @param title 表格标题,传“空值”,表示无标题
|
|
|
|
+ * @param cls 实体对象,通过annotation.ExportField获取标题
|
|
|
|
+ */
|
|
|
|
+ public ExportExcel(String title, Class<?> cls){
|
|
|
|
+ this(title, cls, 1);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 构造函数
|
|
|
|
+ * @param title 表格标题,传“空值”,表示无标题
|
|
|
|
+ * @param cls 实体对象,通过annotation.ExportField获取标题
|
|
|
|
+ * @param type 导出类型(1:导出数据;2:导出模板)
|
|
|
|
+ * @param groups 导入分组
|
|
|
|
+ */
|
|
|
|
+ public ExportExcel(String title, Class<?> cls, int type, int... groups){
|
|
|
|
+ // Get annotation field
|
|
|
|
+ Field[] fs = cls.getDeclaredFields();
|
|
|
|
+ for (Field f : fs){
|
|
|
|
+ ExcelField ef = f.getAnnotation(ExcelField.class);
|
|
|
|
+ if (ef != null && (ef.type()==0 || ef.type()==type)){
|
|
|
|
+ if (groups!=null && groups.length>0){
|
|
|
|
+ boolean inGroup = false;
|
|
|
|
+ for (int g : groups){
|
|
|
|
+ if (inGroup){
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
+ for (int efg : ef.groups()){
|
|
|
|
+ if (g == efg){
|
|
|
|
+ inGroup = true;
|
|
|
|
+ annotationList.add(new Object[]{ef, f});
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }else{
|
|
|
|
+ annotationList.add(new Object[]{ef, f});
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ // Get annotation method
|
|
|
|
+ Method[] ms = cls.getDeclaredMethods();
|
|
|
|
+ for (Method m : ms){
|
|
|
|
+ ExcelField ef = m.getAnnotation(ExcelField.class);
|
|
|
|
+ if (ef != null && (ef.type()==0 || ef.type()==type)){
|
|
|
|
+ if (groups!=null && groups.length>0){
|
|
|
|
+ boolean inGroup = false;
|
|
|
|
+ for (int g : groups){
|
|
|
|
+ if (inGroup){
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
+ for (int efg : ef.groups()){
|
|
|
|
+ if (g == efg){
|
|
|
|
+ inGroup = true;
|
|
|
|
+ annotationList.add(new Object[]{ef, m});
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }else{
|
|
|
|
+ annotationList.add(new Object[]{ef, m});
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ // Field sorting
|
|
|
|
+ Collections.sort(annotationList, new Comparator<Object[]>() {
|
|
|
|
+ public int compare(Object[] o1, Object[] o2) {
|
|
|
|
+ return new Integer(((ExcelField)o1[0]).sort()).compareTo(
|
|
|
|
+ new Integer(((ExcelField)o2[0]).sort()));
|
|
|
|
+ };
|
|
|
|
+ });
|
|
|
|
+ // Initialize
|
|
|
|
+ List<String> headerList = Lists.newArrayList();
|
|
|
|
+ for (Object[] os : annotationList){
|
|
|
|
+ String t = ((ExcelField)os[0]).title();
|
|
|
|
+ // 如果是导出,则去掉注释
|
|
|
|
+ if (type==1){
|
|
|
|
+ String[] ss = StringUtils.split(t, "**", 2);
|
|
|
|
+ if (ss.length==2){
|
|
|
|
+ t = ss[0];
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ headerList.add(t);
|
|
|
|
+ }
|
|
|
|
+ initialize(title, headerList);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 构造函数
|
|
|
|
+ * @param title 表格标题,传“空值”,表示无标题
|
|
|
|
+ * @param headers 表头数组
|
|
|
|
+ */
|
|
|
|
+ public ExportExcel(String title, String[] headers) {
|
|
|
|
+ initialize(title, Lists.newArrayList(headers));
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 构造函数
|
|
|
|
+ * @param title 表格标题,传“空值”,表示无标题
|
|
|
|
+ * @param headerList 表头列表
|
|
|
|
+ */
|
|
|
|
+ public ExportExcel(String title, List<String> headerList) {
|
|
|
|
+ initialize(title, headerList);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 初始化函数
|
|
|
|
+ * @param title 表格标题,传“空值”,表示无标题
|
|
|
|
+ * @param headerList 表头列表
|
|
|
|
+ */
|
|
|
|
+ private void initialize(String title, List<String> headerList) {
|
|
|
|
+ this.wb = new SXSSFWorkbook(500);
|
|
|
|
+ this.sheet = wb.createSheet("Export");
|
|
|
|
+ this.styles = createStyles(wb);
|
|
|
|
+ // Create title
|
|
|
|
+ if (StringUtils.isNotBlank(title)){
|
|
|
|
+ Row titleRow = sheet.createRow(rownum++);
|
|
|
|
+ titleRow.setHeightInPoints(30);
|
|
|
|
+ Cell titleCell = titleRow.createCell(0);
|
|
|
|
+ titleCell.setCellStyle(styles.get("title"));
|
|
|
|
+ titleCell.setCellValue(title);
|
|
|
|
+ sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(),
|
|
|
|
+ titleRow.getRowNum(), titleRow.getRowNum(), headerList.size()-1));
|
|
|
|
+ }
|
|
|
|
+ // Create header
|
|
|
|
+ if (headerList == null){
|
|
|
|
+ throw new RuntimeException("headerList not null!");
|
|
|
|
+ }
|
|
|
|
+ Row headerRow = sheet.createRow(rownum++);
|
|
|
|
+ headerRow.setHeightInPoints(16);
|
|
|
|
+ for (int i = 0; i < headerList.size(); i++) {
|
|
|
|
+ Cell cell = headerRow.createCell(i);
|
|
|
|
+ cell.setCellStyle(styles.get("header"));
|
|
|
|
+ String[] ss = StringUtils.split(headerList.get(i), "**", 2);
|
|
|
|
+ if (ss.length==2){
|
|
|
|
+ cell.setCellValue(ss[0]);
|
|
|
|
+ Comment comment = this.sheet.createDrawingPatriarch().createCellComment(
|
|
|
|
+ new XSSFClientAnchor(0, 0, 0, 0, (short) 3, 3, (short) 5, 6));
|
|
|
|
+ comment.setString(new XSSFRichTextString(ss[1]));
|
|
|
|
+ cell.setCellComment(comment);
|
|
|
|
+ }else{
|
|
|
|
+ cell.setCellValue(headerList.get(i));
|
|
|
|
+ }
|
|
|
|
+ sheet.autoSizeColumn(i);
|
|
|
|
+ }
|
|
|
|
+ for (int i = 0; i < headerList.size(); i++) {
|
|
|
|
+ int colWidth = sheet.getColumnWidth(i)*2;
|
|
|
|
+ sheet.setColumnWidth(i, colWidth < 3000 ? 3000 : colWidth);
|
|
|
|
+ }
|
|
|
|
+ log.debug("Initialize success.");
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 创建表格样式
|
|
|
|
+ * @param wb 工作薄对象
|
|
|
|
+ * @return 样式列表
|
|
|
|
+ */
|
|
|
|
+ private Map<String, CellStyle> createStyles(Workbook wb) {
|
|
|
|
+ Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
|
|
|
|
+
|
|
|
|
+ CellStyle style = wb.createCellStyle();
|
|
|
|
+ style.setAlignment(CellStyle.ALIGN_CENTER);
|
|
|
|
+ style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
|
|
|
|
+ Font titleFont = wb.createFont();
|
|
|
|
+ titleFont.setFontName("Arial");
|
|
|
|
+ titleFont.setFontHeightInPoints((short) 16);
|
|
|
|
+ titleFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
|
|
|
|
+ style.setFont(titleFont);
|
|
|
|
+ styles.put("title", style);
|
|
|
|
+
|
|
|
|
+ style = wb.createCellStyle();
|
|
|
|
+ style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
|
|
|
|
+ style.setBorderRight(CellStyle.BORDER_THIN);
|
|
|
|
+ style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
|
+ style.setBorderLeft(CellStyle.BORDER_THIN);
|
|
|
|
+ style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
|
+ style.setBorderTop(CellStyle.BORDER_THIN);
|
|
|
|
+ style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
|
+ style.setBorderBottom(CellStyle.BORDER_THIN);
|
|
|
|
+ style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
|
+ Font dataFont = wb.createFont();
|
|
|
|
+ dataFont.setFontName("Arial");
|
|
|
|
+ dataFont.setFontHeightInPoints((short) 10);
|
|
|
|
+ style.setFont(dataFont);
|
|
|
|
+ styles.put("data", style);
|
|
|
|
+
|
|
|
|
+ style = wb.createCellStyle();
|
|
|
|
+ style.cloneStyleFrom(styles.get("data"));
|
|
|
|
+ style.setAlignment(CellStyle.ALIGN_LEFT);
|
|
|
|
+ styles.put("data1", style);
|
|
|
|
+
|
|
|
|
+ style = wb.createCellStyle();
|
|
|
|
+ style.cloneStyleFrom(styles.get("data"));
|
|
|
|
+ style.setAlignment(CellStyle.ALIGN_CENTER);
|
|
|
|
+ styles.put("data2", style);
|
|
|
|
+
|
|
|
|
+ style = wb.createCellStyle();
|
|
|
|
+ style.cloneStyleFrom(styles.get("data"));
|
|
|
|
+ style.setAlignment(CellStyle.ALIGN_RIGHT);
|
|
|
|
+ styles.put("data3", style);
|
|
|
|
+
|
|
|
|
+ style = wb.createCellStyle();
|
|
|
|
+ style.cloneStyleFrom(styles.get("data"));
|
|
|
|
+// style.setWrapText(true);
|
|
|
|
+ style.setAlignment(CellStyle.ALIGN_CENTER);
|
|
|
|
+ style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
|
+ style.setFillPattern(CellStyle.SOLID_FOREGROUND);
|
|
|
|
+ Font headerFont = wb.createFont();
|
|
|
|
+ headerFont.setFontName("Arial");
|
|
|
|
+ headerFont.setFontHeightInPoints((short) 10);
|
|
|
|
+ headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
|
|
|
|
+ headerFont.setColor(IndexedColors.WHITE.getIndex());
|
|
|
|
+ style.setFont(headerFont);
|
|
|
|
+ styles.put("header", style);
|
|
|
|
+
|
|
|
|
+ return styles;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 添加一行
|
|
|
|
+ * @return 行对象
|
|
|
|
+ */
|
|
|
|
+ public Row addRow(){
|
|
|
|
+ return sheet.createRow(rownum++);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 添加一个单元格
|
|
|
|
+ * @param row 添加的行
|
|
|
|
+ * @param column 添加列号
|
|
|
|
+ * @param val 添加值
|
|
|
|
+ * @return 单元格对象
|
|
|
|
+ */
|
|
|
|
+ public Cell addCell(Row row, int column, Object val){
|
|
|
|
+ return this.addCell(row, column, val, 0, Class.class);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 添加一个单元格
|
|
|
|
+ * @param row 添加的行
|
|
|
|
+ * @param column 添加列号
|
|
|
|
+ * @param val 添加值
|
|
|
|
+ * @param align 对齐方式(1:靠左;2:居中;3:靠右)
|
|
|
|
+ * @return 单元格对象
|
|
|
|
+ */
|
|
|
|
+ public Cell addCell(Row row, int column, Object val, int align, Class<?> fieldType){
|
|
|
|
+ Cell cell = row.createCell(column);
|
|
|
|
+ CellStyle style = styles.get("data"+(align>=1&&align<=3?align:""));
|
|
|
|
+ try {
|
|
|
|
+ if (val == null){
|
|
|
|
+ cell.setCellValue("");
|
|
|
|
+ } else if (val instanceof String) {
|
|
|
|
+ cell.setCellValue((String) val);
|
|
|
|
+ } else if (val instanceof Integer) {
|
|
|
|
+ cell.setCellValue((Integer) val);
|
|
|
|
+ } else if (val instanceof Long) {
|
|
|
|
+ cell.setCellValue((Long) val);
|
|
|
|
+ } else if (val instanceof Double) {
|
|
|
|
+ cell.setCellValue((Double) val);
|
|
|
|
+ } else if (val instanceof Float) {
|
|
|
|
+ cell.setCellValue((Float) val);
|
|
|
|
+ } else if (val instanceof Date) {
|
|
|
|
+ DataFormat format = wb.createDataFormat();
|
|
|
|
+ style.setDataFormat(format.getFormat("yyyy-MM-dd"));
|
|
|
|
+ cell.setCellValue((Date) val);
|
|
|
|
+ } else {
|
|
|
|
+ if (fieldType != Class.class){
|
|
|
|
+ cell.setCellValue((String)fieldType.getMethod("setValue", Object.class).invoke(null, val));
|
|
|
|
+ }else{
|
|
|
|
+ cell.setCellValue((String)Class.forName(this.getClass().getName().replaceAll(this.getClass().getSimpleName(),
|
|
|
|
+ "fieldtype."+val.getClass().getSimpleName()+"Type")).getMethod("setValue", Object.class).invoke(null, val));
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ } catch (Exception ex) {
|
|
|
|
+ log.info("Set cell value ["+row.getRowNum()+","+column+"] error: " + ex.toString());
|
|
|
|
+ cell.setCellValue(val.toString());
|
|
|
|
+ }
|
|
|
|
+ cell.setCellStyle(style);
|
|
|
|
+ return cell;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 添加数据(通过annotation.ExportField添加数据)
|
|
|
|
+ * @return list 数据列表
|
|
|
|
+ */
|
|
|
|
+ public <E> ExportExcel setDataList(List<E> list){
|
|
|
|
+ for (E e : list){
|
|
|
|
+ int colunm = 0;
|
|
|
|
+ Row row = this.addRow();
|
|
|
|
+ StringBuilder sb = new StringBuilder();
|
|
|
|
+ for (Object[] os : annotationList){
|
|
|
|
+ ExcelField ef = (ExcelField)os[0];
|
|
|
|
+ Object val = null;
|
|
|
|
+ // Get entity value
|
|
|
|
+ try{
|
|
|
|
+ if (StringUtils.isNotBlank(ef.value())){
|
|
|
|
+ val = Reflections.invokeGetter(e, ef.value());
|
|
|
|
+ }else{
|
|
|
|
+ if (os[1] instanceof Field){
|
|
|
|
+ val = Reflections.invokeGetter(e, ((Field)os[1]).getName());
|
|
|
|
+ }else if (os[1] instanceof Method){
|
|
|
|
+ val = Reflections.invokeMethod(e, ((Method)os[1]).getName(), new Class[] {}, new Object[] {});
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ // If is dict, get dict label
|
|
|
|
+ /*if (StringUtils.isNotBlank(ef.dictType())){
|
|
|
|
+ val = DictUtils.getDictLabel(val==null?"":val.toString(), ef.dictType(), "");
|
|
|
|
+ }*/
|
|
|
|
+ }catch(Exception ex) {
|
|
|
|
+ // Failure to ignore
|
|
|
|
+ log.info(ex.toString());
|
|
|
|
+ val = "";
|
|
|
|
+ }
|
|
|
|
+ this.addCell(row, colunm++, val, ef.align(), ef.fieldType());
|
|
|
|
+ sb.append(val + ", ");
|
|
|
|
+ }
|
|
|
|
+ log.debug("Write success: ["+row.getRowNum()+"] "+sb.toString());
|
|
|
|
+ }
|
|
|
|
+ return this;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 输出数据流
|
|
|
|
+ * @param os 输出数据流
|
|
|
|
+ */
|
|
|
|
+ public ExportExcel write(OutputStream os) throws IOException{
|
|
|
|
+ wb.write(os);
|
|
|
|
+ return this;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 输出到客户端
|
|
|
|
+ * @param fileName 输出文件名
|
|
|
|
+ */
|
|
|
|
+ public ExportExcel write(HttpServletResponse response, String fileName) throws IOException{
|
|
|
|
+ response.reset();
|
|
|
|
+ response.setContentType("application/octet-stream; charset=utf-8");
|
|
|
|
+ response.setHeader("Content-Disposition", "attachment; filename="+ URLEncoder.encode(fileName, "UTF-8"));
|
|
|
|
+ write(response.getOutputStream());
|
|
|
|
+ return this;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 输出到文件
|
|
|
|
+ * @param fileName 输出文件名
|
|
|
|
+ */
|
|
|
|
+ public ExportExcel writeFile(String name) throws FileNotFoundException, IOException{
|
|
|
|
+ FileOutputStream os = new FileOutputStream(name);
|
|
|
|
+ this.write(os);
|
|
|
|
+ return this;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /**
|
|
|
|
+ * 清理临时文件
|
|
|
|
+ */
|
|
|
|
+ public ExportExcel dispose(){
|
|
|
|
+ wb.dispose();
|
|
|
|
+ return this;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+// /**
|
|
|
|
+// * 导出测试
|
|
|
|
+// */
|
|
|
|
+// public static void main(String[] args) throws Throwable {
|
|
|
|
+//
|
|
|
|
+// List<String> headerList = Lists.newArrayList();
|
|
|
|
+// for (int i = 1; i <= 10; i++) {
|
|
|
|
+// headerList.add("表头"+i);
|
|
|
|
+// }
|
|
|
|
+//
|
|
|
|
+// List<String> dataRowList = Lists.newArrayList();
|
|
|
|
+// for (int i = 1; i <= headerList.size(); i++) {
|
|
|
|
+// dataRowList.add("数据"+i);
|
|
|
|
+// }
|
|
|
|
+//
|
|
|
|
+// List<List<String>> dataList = Lists.newArrayList();
|
|
|
|
+// for (int i = 1; i <=1000000; i++) {
|
|
|
|
+// dataList.add(dataRowList);
|
|
|
|
+// }
|
|
|
|
+//
|
|
|
|
+// ExportExcel ee = new ExportExcel("表格标题", headerList);
|
|
|
|
+//
|
|
|
|
+// for (int i = 0; i < dataList.size(); i++) {
|
|
|
|
+// Row row = ee.addRow();
|
|
|
|
+// for (int j = 0; j < dataList.get(i).size(); j++) {
|
|
|
|
+// ee.addCell(row, j, dataList.get(i).get(j));
|
|
|
|
+// }
|
|
|
|
+// }
|
|
|
|
+//
|
|
|
|
+// ee.writeFile("target/export.xlsx");
|
|
|
|
+//
|
|
|
|
+// ee.dispose();
|
|
|
|
+//
|
|
|
|
+// log.debug("Export success.");
|
|
|
|
+//
|
|
|
|
+// }
|
|
|
|
+
|
|
|
|
+}
|