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@@ -5,6 +5,7 @@ import com.google.common.collect.Lists;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.ss.util.CellRangeAddress;
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+import org.apache.poi.xssf.streaming.SXSSFSheet;
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import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
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import org.apache.poi.xssf.usermodel.XSSFRichTextString;
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@@ -23,430 +24,445 @@ import java.net.URLEncoder;
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import java.util.*;
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public class ExportExcel {
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-
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- private static Logger log = LoggerFactory.getLogger(ExportExcel.class);
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-
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- /**
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- * 工作薄对象
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- */
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- private SXSSFWorkbook wb;
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-
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- /**
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- * 工作表对象
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- */
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- private Sheet sheet;
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-
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- /**
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- * 样式列表
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- */
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- private Map<String, CellStyle> styles;
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-
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- /**
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- * 当前行号
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- */
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- private int rownum;
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-
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- /**
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- * 注解列表(Object[]{ ExcelField, Field/Method })
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- */
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- List<Object[]> annotationList = Lists.newArrayList();
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-
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- /**
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- * 构造函数
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- * @param title 表格标题,传“空值”,表示无标题
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- * @param cls 实体对象,通过annotation.ExportField获取标题
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- */
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- public ExportExcel(String title, Class<?> cls){
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- this(title, cls, 1);
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- }
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-
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- /**
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- * 构造函数
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- * @param title 表格标题,传“空值”,表示无标题
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- * @param cls 实体对象,通过annotation.ExportField获取标题
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- * @param type 导出类型(1:导出数据;2:导出模板)
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- * @param groups 导入分组
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- */
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- public ExportExcel(String title, Class<?> cls, int type, int... groups){
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- // Get annotation field
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- Field[] fs = cls.getDeclaredFields();
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- for (Field f : fs){
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- ExcelField ef = f.getAnnotation(ExcelField.class);
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- if (ef != null && (ef.type()==0 || ef.type()==type)){
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- if (groups!=null && groups.length>0){
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- boolean inGroup = false;
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- for (int g : groups){
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- if (inGroup){
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- break;
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- }
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- for (int efg : ef.groups()){
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- if (g == efg){
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- inGroup = true;
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- annotationList.add(new Object[]{ef, f});
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- break;
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- }
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- }
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- }
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- }else{
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- annotationList.add(new Object[]{ef, f});
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- }
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- }
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- }
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- // Get annotation method
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- Method[] ms = cls.getDeclaredMethods();
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- for (Method m : ms){
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- ExcelField ef = m.getAnnotation(ExcelField.class);
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- if (ef != null && (ef.type()==0 || ef.type()==type)){
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- if (groups!=null && groups.length>0){
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- boolean inGroup = false;
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- for (int g : groups){
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- if (inGroup){
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- break;
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- }
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- for (int efg : ef.groups()){
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- if (g == efg){
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- inGroup = true;
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- annotationList.add(new Object[]{ef, m});
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- break;
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- }
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- }
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- }
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- }else{
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- annotationList.add(new Object[]{ef, m});
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- }
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- }
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- }
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- // Field sorting
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- Collections.sort(annotationList, new Comparator<Object[]>() {
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- public int compare(Object[] o1, Object[] o2) {
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- return new Integer(((ExcelField)o1[0]).sort()).compareTo(
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- new Integer(((ExcelField)o2[0]).sort()));
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- };
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- });
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- // Initialize
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- List<String> headerList = Lists.newArrayList();
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- for (Object[] os : annotationList){
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- String t = ((ExcelField)os[0]).title();
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- // 如果是导出,则去掉注释
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- if (type==1){
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- String[] ss = StringUtils.split(t, "**", 2);
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- if (ss.length==2){
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- t = ss[0];
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- }
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- }
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- headerList.add(t);
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- }
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- initialize(title, headerList);
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- }
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-
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- /**
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- * 构造函数
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- * @param title 表格标题,传“空值”,表示无标题
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- * @param headerList 表头列表
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- */
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- public ExportExcel(String title, List<String> headerList) {
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- initialize(title, headerList);
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- }
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- /**
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- * 添加数据(通过annotation.ExportField添加数据)
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- * @return list 数据列表
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- */
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- public <E> ExportExcel setDataList(List<E> list){
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- for (E e : list){
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- int colunm = 0;
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- Row row = this.addRow();
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- StringBuilder sb = new StringBuilder();
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- for (Object[] os : annotationList){
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- ExcelField ef = (ExcelField)os[0];
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- Object val = null;
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- // Get entity value
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- try{
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- if (StringUtils.isNotBlank(ef.value())){
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- val = Reflections.invokeGetter(e, ef.value());
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- }else{
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- if (os[1] instanceof Field){
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- val = Reflections.invokeGetter(e, ((Field)os[1]).getName());
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- }else if (os[1] instanceof Method){
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- val = Reflections.invokeMethod(e, ((Method)os[1]).getName(), new Class[] {}, new Object[] {});
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- }
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- }
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- }catch(Exception ex) {
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- // Failure to ignore
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- log.info(ex.toString());
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- val = "";
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- }
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- this.addCell(row, colunm++, val, ef.align(), ef.fieldType());
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- sb.append(val + ", ");
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- }
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- log.debug("Write success: ["+row.getRowNum()+"] "+sb.toString());
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- }
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- return this;
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- }
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-
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- /**
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- * 初始化函数
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- * @param title 表格标题,传“空值”,表示无标题
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- * @param headerList 表头列表
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- */
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- private void initialize(String title, List<String> headerList) {
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- this.wb = new SXSSFWorkbook(500);
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- this.sheet = wb.createSheet("Export");
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- this.styles = createStyles(wb);
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- // Create title
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- if (StringUtils.isNotBlank(title)){
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- Row titleRow = sheet.createRow(rownum++);
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- titleRow.setHeightInPoints(30);
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- Cell titleCell = titleRow.createCell(0);
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- titleCell.setCellStyle(styles.get("title"));
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- titleCell.setCellValue(title);
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- sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(),
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- titleRow.getRowNum(), titleRow.getRowNum(), headerList.size()-1));
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- }
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- // Create header
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- if (headerList == null){
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- throw new RuntimeException("headerList not null!");
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- }
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- Row headerRow = sheet.createRow(rownum++);
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- headerRow.setHeightInPoints(16);
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- for (int i = 0; i < headerList.size(); i++) {
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- Cell cell = headerRow.createCell(i);
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- cell.setCellStyle(styles.get("header"));
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- String[] ss = StringUtils.split(headerList.get(i), "**", 2);
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- if (ss.length==2){
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- cell.setCellValue(ss[0]);
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- Comment comment = this.sheet.createDrawingPatriarch().createCellComment(
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- new XSSFClientAnchor(0, 0, 0, 0, (short) 3, 3, (short) 5, 6));
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- comment.setString(new XSSFRichTextString(ss[1]));
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- cell.setCellComment(comment);
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- }else{
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- cell.setCellValue(headerList.get(i));
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- }
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- sheet.autoSizeColumn(i);
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- }
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- for (int i = 0; i < headerList.size(); i++) {
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- int colWidth = sheet.getColumnWidth(i)*2;
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- sheet.setColumnWidth(i, colWidth < 3000 ? 3000 : colWidth);
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- }
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- log.debug("Initialize success.");
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- }
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-
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- /**
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- * 创建表格样式
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- * @param wb 工作薄对象
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- * @return 样式列表
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- */
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- private Map<String, CellStyle> createStyles(Workbook wb) {
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- Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
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-
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- CellStyle style = wb.createCellStyle();
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- style.setAlignment(CellStyle.ALIGN_CENTER);
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- style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
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- Font titleFont = wb.createFont();
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- titleFont.setFontName("Arial");
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- titleFont.setFontHeightInPoints((short) 16);
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- titleFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
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- style.setFont(titleFont);
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- styles.put("title", style);
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-
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- style = wb.createCellStyle();
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- style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
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- style.setBorderRight(CellStyle.BORDER_THIN);
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- style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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- style.setBorderLeft(CellStyle.BORDER_THIN);
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- style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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- style.setBorderTop(CellStyle.BORDER_THIN);
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- style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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- style.setBorderBottom(CellStyle.BORDER_THIN);
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- style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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- Font dataFont = wb.createFont();
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- dataFont.setFontName("Arial");
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- dataFont.setFontHeightInPoints((short) 10);
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- style.setFont(dataFont);
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- styles.put("data", style);
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-
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- style = wb.createCellStyle();
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- style.cloneStyleFrom(styles.get("data"));
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- style.setAlignment(CellStyle.ALIGN_LEFT);
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- styles.put("data1", style);
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-
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- style = wb.createCellStyle();
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- style.cloneStyleFrom(styles.get("data"));
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- style.setAlignment(CellStyle.ALIGN_CENTER);
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- styles.put("data2", style);
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-
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- style = wb.createCellStyle();
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- style.cloneStyleFrom(styles.get("data"));
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- style.setAlignment(CellStyle.ALIGN_RIGHT);
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- styles.put("data3", style);
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-
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- style = wb.createCellStyle();
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- style.cloneStyleFrom(styles.get("data"));
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+
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+ private static Logger log = LoggerFactory.getLogger(ExportExcel.class);
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+
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+ /**
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+ * 工作薄对象
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+ */
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+ private SXSSFWorkbook wb;
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+
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+ /**
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+ * 工作表对象
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+ */
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+ private Sheet sheet;
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+
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+ /**
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+ * 样式列表
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+ */
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+ private Map<String, CellStyle> styles;
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+
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+ /**
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+ * 当前行号
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+ */
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+ private int rownum;
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+
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+ /**
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+ * 注解列表(Object[]{ ExcelField, Field/Method })
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+ */
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+ List<Object[]> annotationList = Lists.newArrayList();
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+
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+ /**
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+ * 构造函数
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+ *
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+ * @param title 表格标题,传“空值”,表示无标题
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+ * @param cls 实体对象,通过annotation.ExportField获取标题
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+ */
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+ public ExportExcel(String title, Class<?> cls) {
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+ this(title, cls, 1);
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+ }
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+
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+ /**
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+ * 构造函数
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+ *
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+ * @param title 表格标题,传“空值”,表示无标题
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+ * @param cls 实体对象,通过annotation.ExportField获取标题
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+ * @param type 导出类型(1:导出数据;2:导出模板)
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+ * @param groups 导入分组
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+ */
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+ public ExportExcel(String title, Class<?> cls, int type, int... groups) {
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+ // Get annotation field
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+ Field[] fs = cls.getDeclaredFields();
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+ for (Field f : fs) {
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+ ExcelField ef = f.getAnnotation(ExcelField.class);
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+ if (ef != null && (ef.type() == 0 || ef.type() == type)) {
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+ if (groups != null && groups.length > 0) {
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+ boolean inGroup = false;
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+ for (int g : groups) {
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+ if (inGroup) {
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+ break;
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+ }
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+ for (int efg : ef.groups()) {
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+ if (g == efg) {
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+ inGroup = true;
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+ annotationList.add(new Object[]{ef, f});
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+ break;
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+ }
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+ }
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+ }
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+ } else {
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+ annotationList.add(new Object[]{ef, f});
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+ }
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+ }
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+ }
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+ // Get annotation method
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+ Method[] ms = cls.getDeclaredMethods();
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+ for (Method m : ms) {
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+ ExcelField ef = m.getAnnotation(ExcelField.class);
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+ if (ef != null && (ef.type() == 0 || ef.type() == type)) {
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+ if (groups != null && groups.length > 0) {
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+ boolean inGroup = false;
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+ for (int g : groups) {
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+ if (inGroup) {
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+ break;
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+ }
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+ for (int efg : ef.groups()) {
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+ if (g == efg) {
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+ inGroup = true;
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+ annotationList.add(new Object[]{ef, m});
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+ break;
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+ }
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+ }
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+ }
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+ } else {
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+ annotationList.add(new Object[]{ef, m});
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+ }
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+ }
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+ }
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+ // Field sorting
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+ Collections.sort(annotationList, new Comparator<Object[]>() {
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+ public int compare(Object[] o1, Object[] o2) {
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+ return new Integer(((ExcelField) o1[0]).sort()).compareTo(
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+ new Integer(((ExcelField) o2[0]).sort()));
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+ }
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+
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+ ;
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+ });
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+ // Initialize
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+ List<String> headerList = Lists.newArrayList();
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+ for (Object[] os : annotationList) {
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+ String t = ((ExcelField) os[0]).title();
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|
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+ // 如果是导出,则去掉注释
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|
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+ if (type == 1) {
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+ String[] ss = StringUtils.split(t, "**", 2);
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+ if (ss.length == 2) {
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+ t = ss[0];
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+ }
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+ }
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+ headerList.add(t);
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+ }
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+ initialize(title, headerList);
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+ }
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+
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|
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+ /**
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|
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+ * 构造函数
|
|
|
+ *
|
|
|
+ * @param title 表格标题,传“空值”,表示无标题
|
|
|
+ * @param headerList 表头列表
|
|
|
+ */
|
|
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+ public ExportExcel(String title, List<String> headerList) {
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+ initialize(title, headerList);
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+ }
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+
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|
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+ /**
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|
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+ * 添加数据(通过annotation.ExportField添加数据)
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+ *
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+ * @return list 数据列表
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+ */
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+ public <E> ExportExcel setDataList(List<E> list) {
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+ for (E e : list) {
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+ int colunm = 0;
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+ 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[]{});
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 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(HorizontalAlignment.CENTER);
|
|
|
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
|
|
|
+ Font titleFont = wb.createFont();
|
|
|
+ titleFont.setFontName("Arial");
|
|
|
+ titleFont.setFontHeightInPoints((short) 16);
|
|
|
+ titleFont.setBold(true);
|
|
|
+ style.setFont(titleFont);
|
|
|
+ styles.put("title", style);
|
|
|
+
|
|
|
+ style = wb.createCellStyle();
|
|
|
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
|
|
|
+ style.setBorderRight(BorderStyle.THIN);
|
|
|
+ style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
+ style.setBorderLeft(BorderStyle.THIN);
|
|
|
+ style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
+ style.setBorderTop(BorderStyle.THIN);
|
|
|
+ style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
+ style.setBorderBottom(BorderStyle.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(HorizontalAlignment.LEFT);
|
|
|
+ styles.put("data1", style);
|
|
|
+
|
|
|
+ style = wb.createCellStyle();
|
|
|
+ style.cloneStyleFrom(styles.get("data"));
|
|
|
+ style.setAlignment(HorizontalAlignment.CENTER);
|
|
|
+ styles.put("data2", style);
|
|
|
+
|
|
|
+ style = wb.createCellStyle();
|
|
|
+ style.cloneStyleFrom(styles.get("data"));
|
|
|
+ style.setAlignment(HorizontalAlignment.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);
|
|
|
- String cellFormatString = "@";
|
|
|
- try {
|
|
|
- if(val == null){
|
|
|
- cell.setCellValue("");
|
|
|
- }else if(fieldType != Class.class){
|
|
|
- cell.setCellValue((String)fieldType.getMethod("setValue", Object.class).invoke(null, val));
|
|
|
- }else{
|
|
|
- if(val instanceof String) {
|
|
|
- cell.setCellValue((String) val);
|
|
|
- }else if(val instanceof Integer) {
|
|
|
- cell.setCellValue((Integer) val);
|
|
|
- cellFormatString = "0";
|
|
|
- }else if(val instanceof Long) {
|
|
|
- cell.setCellValue((Long) val);
|
|
|
- cellFormatString = "0";
|
|
|
- }else if(val instanceof Double) {
|
|
|
- cell.setCellValue((Double) val);
|
|
|
- cellFormatString = "0.00";
|
|
|
- }else if(val instanceof Float) {
|
|
|
- cell.setCellValue((Float) val);
|
|
|
- cellFormatString = "0.00";
|
|
|
- }else if(val instanceof Date) {
|
|
|
- cell.setCellValue((Date) val);
|
|
|
- cellFormatString = "yyyy-MM-dd HH:mm";
|
|
|
- }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));
|
|
|
- }
|
|
|
- }
|
|
|
+ style.setAlignment(HorizontalAlignment.CENTER);
|
|
|
+ style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
+ style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
|
|
|
+ Font headerFont = wb.createFont();
|
|
|
+ headerFont.setFontName("Arial");
|
|
|
+ headerFont.setFontHeightInPoints((short) 10);
|
|
|
+ headerFont.setBold(true);
|
|
|
+ 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);
|
|
|
+ String cellFormatString = "@";
|
|
|
+ try {
|
|
|
+ if (val == null) {
|
|
|
+ cell.setCellValue("");
|
|
|
+ } else if (fieldType != Class.class) {
|
|
|
+ cell.setCellValue((String) fieldType.getMethod("setValue", Object.class).invoke(null, val));
|
|
|
+ } else {
|
|
|
+ if (val instanceof String) {
|
|
|
+ cell.setCellValue((String) val);
|
|
|
+ } else if (val instanceof Integer) {
|
|
|
+ cell.setCellValue((Integer) val);
|
|
|
+ cellFormatString = "0";
|
|
|
+ } else if (val instanceof Long) {
|
|
|
+ cell.setCellValue((Long) val);
|
|
|
+ cellFormatString = "0";
|
|
|
+ } else if (val instanceof Double) {
|
|
|
+ cell.setCellValue((Double) val);
|
|
|
+ cellFormatString = "0.00";
|
|
|
+ } else if (val instanceof Float) {
|
|
|
+ cell.setCellValue((Float) val);
|
|
|
+ cellFormatString = "0.00";
|
|
|
+ } else if (val instanceof Date) {
|
|
|
+ cell.setCellValue((Date) val);
|
|
|
+ cellFormatString = "yyyy-MM-dd HH:mm";
|
|
|
+ } 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));
|
|
|
+ }
|
|
|
+ }
|
|
|
// if (val != null){
|
|
|
- CellStyle style = styles.get("data_column_"+column);
|
|
|
- if (style == null){
|
|
|
- style = wb.createCellStyle();
|
|
|
- style.cloneStyleFrom(styles.get("data"+(align>=1&&align<=3?align:"")));
|
|
|
- style.setDataFormat(wb.createDataFormat().getFormat(cellFormatString));
|
|
|
- styles.put("data_column_" + column, style);
|
|
|
- }
|
|
|
- cell.setCellStyle(style);
|
|
|
+ CellStyle style = styles.get("data_column_" + column);
|
|
|
+ if (style == null) {
|
|
|
+ style = wb.createCellStyle();
|
|
|
+ style.cloneStyleFrom(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
|
|
|
+ style.setDataFormat(wb.createDataFormat().getFormat(cellFormatString));
|
|
|
+ styles.put("data_column_" + column, style);
|
|
|
+ }
|
|
|
+ cell.setCellStyle(style);
|
|
|
// }
|
|
|
- } catch (Exception ex) {
|
|
|
- log.info("Set cell value ["+row.getRowNum()+","+column+"] error: " + ex.toString());
|
|
|
- cell.setCellValue(val.toString());
|
|
|
- }
|
|
|
- return cell;
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 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();
|
|
|
+ } catch (Exception ex) {
|
|
|
+ log.info("Set cell value [" + row.getRowNum() + "," + column + "] error: " + ex.toString());
|
|
|
+ cell.setCellValue(val.toString());
|
|
|
+ }
|
|
|
+ return cell;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 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 name 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.");
|
|
|
-
|
|
|
- }
|
|
|
+ response.setHeader("Content-Disposition", "attachment; filename=" + URLEncoder.encode(fileName, "UTF-8"));
|
|
|
+ write(response.getOutputStream());
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 输出到文件
|
|
|
+ *
|
|
|
+ * @param name 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.");
|
|
|
+
|
|
|
+ }
|
|
|
|
|
|
}
|