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| | | import java.lang.reflect.Method;
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| | | import java.math.BigDecimal;
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| | | import java.text.DecimalFormat;
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| | | import java.time.LocalDate;
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| | | import java.time.LocalDateTime;
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| | | import java.util.ArrayList;
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| | | import java.util.Arrays;
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| | | import java.util.Comparator;
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| | |
| | | {
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| | | private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
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| | |
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| | | public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
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| | |
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| | | /**
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| | | * Excel sheet最大行数,默认65536
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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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| | | * 标题
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| | | */
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| | |
| | | }
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| | | }
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| | | // 有数据时才处理 得到类的所有field.
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| | | Field[] allFields = clazz.getDeclaredFields();
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| | | // 定义一个map用于存放列的序号和field.
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| | | Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>();
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| | | for (int col = 0; col < allFields.length; col++)
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| | | List<Object[]> fields = this.getFields();
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| | | Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>();
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| | | for (Object[] objects : fields)
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| | | {
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| | | Field field = allFields[col];
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| | | Excel attr = field.getAnnotation(Excel.class);
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| | | if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
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| | | Excel attr = (Excel) objects[1];
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| | | Integer column = cellMap.get(attr.name());
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| | | if (column != null)
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| | | {
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| | | // 设置类的私有字段属性可访问.
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| | | field.setAccessible(true);
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| | | Integer column = cellMap.get(attr.name());
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| | | if (column != null)
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| | | {
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| | | fieldsMap.put(column, field);
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| | | }
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| | | fieldsMap.put(column, objects);
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| | | }
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| | | }
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| | | for (int i = titleNum + 1; i <= rows; i++)
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| | |
| | | continue;
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| | | }
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| | | T entity = null;
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| | | for (Map.Entry<Integer, Field> entry : fieldsMap.entrySet())
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| | | for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet())
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| | | {
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| | | Object val = this.getCellValue(row, entry.getKey());
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| | |
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| | | // 如果不存在实例则新建.
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| | | entity = (entity == null ? clazz.newInstance() : entity);
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| | | // 从map中得到对应列的field.
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| | | Field field = fieldsMap.get(entry.getKey());
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| | | Field field = (Field) entry.getValue()[0];
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| | | Excel attr = (Excel) entry.getValue()[1];
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| | | // 取得类型,并根据对象类型设置值.
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| | | Class<?> fieldType = field.getType();
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| | | if (String.class == fieldType)
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| | |
| | | String dateFormat = field.getAnnotation(Excel.class).dateFormat();
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| | | if (StringUtils.isNotEmpty(dateFormat))
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| | | {
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| | | val = DateUtils.parseDateToStr(dateFormat, (Date) val);
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| | | val = parseDateToStr(dateFormat, val);
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| | | }
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| | | else
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| | | {
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| | |
| | | {
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| | | val = Convert.toInt(val);
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| | | }
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| | | else if (Long.TYPE == fieldType || Long.class == fieldType)
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| | | else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
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| | | {
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| | | val = Convert.toLong(val);
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| | | }
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| | |
| | | }
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| | | if (StringUtils.isNotNull(fieldType))
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| | | {
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| | | Excel attr = field.getAnnotation(Excel.class);
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| | | String propertyName = field.getName();
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| | | if (StringUtils.isNotEmpty(attr.targetAttr()))
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| | | {
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| | |
| | | {
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| | | return exportExcel(list, sheetName, StringUtils.EMPTY);
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| | | }
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| | | |
| | |
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| | | /**
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| | | * 对list数据源将其里面的数据导入到excel表单
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| | | *
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| | |
| | | * @param list 导出数据集合
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| | | * @param sheetName 工作表的名称
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| | | * @return 结果
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| | | * @throws IOException
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| | | */
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| | | public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)throws IOException
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| | | public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
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| | | {
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| | | exportExcel(response, list, sheetName, StringUtils.EMPTY);
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| | | }
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| | |
| | | * @param sheetName 工作表的名称
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| | | * @param title 标题
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| | | * @return 结果
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| | | * @throws IOException
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| | | */
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| | | public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title) throws IOException
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| | | public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
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| | | {
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| | | response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
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| | | response.setCharacterEncoding("utf-8");
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| | | this.init(list, sheetName, title, Type.EXPORT);
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| | | exportExcel(response.getOutputStream());
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| | | exportExcel(response);
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| | | }
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| | |
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| | | /**
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| | |
| | | * @param sheetName 工作表的名称
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| | | * @return 结果
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| | | */
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| | | public void importTemplateExcel(HttpServletResponse response, String sheetName) throws IOException
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| | | public void importTemplateExcel(HttpServletResponse response, String sheetName)
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| | | {
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| | | importTemplateExcel(response, sheetName, StringUtils.EMPTY);
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| | | }
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| | |
| | | * @param title 标题
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| | | * @return 结果
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| | | */
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| | | public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) throws IOException
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| | | public void importTemplateExcel(HttpServletResponse response, String sheetName, String title)
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| | | {
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| | | response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
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| | | response.setCharacterEncoding("utf-8");
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| | | this.init(null, sheetName, title, Type.IMPORT);
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| | | exportExcel(response.getOutputStream());
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| | | exportExcel(response);
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| | | }
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| | |
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| | | /**
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| | |
| | | *
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| | | * @return 结果
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| | | */
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| | | public void exportExcel(OutputStream out)
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| | | public void exportExcel(HttpServletResponse response)
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| | | {
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| | | try
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| | | {
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| | | writeSheet();
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| | | wb.write(out);
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| | | wb.write(response.getOutputStream());
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| | | }
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| | | catch (Exception e)
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| | | {
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| | |
| | | finally
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| | | {
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| | | IOUtils.closeQuietly(wb);
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| | | IOUtils.closeQuietly(out);
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| | | }
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| | | }
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| | |
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| | |
| | | {
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| | | Field field = (Field) os[0];
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| | | Excel excel = (Excel) os[1];
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| | | // 设置实体类私有属性可访问
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| | | field.setAccessible(true);
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| | | this.addCell(excel, row, vo, field, column++);
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| | | }
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| | | }
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| | |
| | | {
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| | | if (ColumnType.STRING == attr.cellType())
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| | | {
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| | | cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
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| | | String cellValue = Convert.toStr(value);
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| | | // 对于任何以表达式触发字符 =-+@开头的单元格,直接使用tab字符作为前缀,防止CSV注入。
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| | | if (StringUtils.containsAny(cellValue, FORMULA_STR))
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| | | {
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| | | cellValue = StringUtils.replaceEach(cellValue, FORMULA_STR, new String[] { "\t=", "\t-", "\t+", "\t@" });
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| | | }
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| | | cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
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| | | }
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| | | else if (ColumnType.NUMERIC == attr.cellType())
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| | | {
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| | |
| | | String dictType = attr.dictType();
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| | | if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
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| | | {
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| | | cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
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| | | cell.setCellValue(parseDateToStr(dateFormat, value));
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| | | }
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| | | else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
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| | | {
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| | |
| | | if (StringUtils.isNotEmpty(excel.targetAttr()))
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| | | {
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| | | String target = excel.targetAttr();
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| | | if (target.indexOf(".") > -1)
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| | | if (target.contains("."))
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| | | {
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| | | String[] targets = target.split("[.]");
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| | | for (String name : targets)
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| | |
| | | */
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| | | private void createExcelField()
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| | | {
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| | | this.fields = new ArrayList<Object[]>();
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| | | this.fields = getFields();
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| | | this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
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| | | this.maxHeight = getRowHeight();
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| | | }
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| | |
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| | | /**
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| | | * 获取字段注解信息
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| | | */
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| | | public List<Object[]> getFields()
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| | | {
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| | | List<Object[]> fields = new ArrayList<Object[]>();
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| | | List<Field> tempFields = new ArrayList<>();
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| | | tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
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| | | tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
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| | |
| | | // 单注解
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| | | if (field.isAnnotationPresent(Excel.class))
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| | | {
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| | | putToField(field, field.getAnnotation(Excel.class));
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| | | Excel attr = field.getAnnotation(Excel.class);
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| | | if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
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| | | {
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| | | field.setAccessible(true);
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| | | fields.add(new Object[] { field, attr });
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| | | }
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| | | }
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| | |
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| | | // 多注解
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| | |
| | | {
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| | | Excels attrs = field.getAnnotation(Excels.class);
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| | | Excel[] excels = attrs.value();
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| | | for (Excel excel : excels)
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| | | for (Excel attr : excels)
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| | | {
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| | | putToField(field, excel);
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| | | if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
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| | | {
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| | | field.setAccessible(true);
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| | | fields.add(new Object[] { field, attr });
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| | | }
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| | | }
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| | | }
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| | | }
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| | | this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
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| | | this.maxHeight = getRowHeight();
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| | | return fields;
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| | | }
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| | |
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| | | /**
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| | |
| | | for (Object[] os : this.fields)
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| | | {
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| | | Excel excel = (Excel) os[1];
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| | | maxHeight = maxHeight > excel.height() ? maxHeight : excel.height();
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| | | maxHeight = Math.max(maxHeight, excel.height());
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| | | }
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| | | return (short) (maxHeight * 20);
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| | | }
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| | |
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| | | /**
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| | | * 放到字段集合中
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| | | */
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| | | private void putToField(Field field, Excel attr)
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| | | {
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| | | if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
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| | | {
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| | | this.fields.add(new Object[] { field, attr });
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| | | }
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| | | }
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| | |
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| | | /**
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| | |
| | | }
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| | | return sheetIndexPicMap;
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| | | }
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| | |
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| | | /**
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| | | * 格式化不同类型的日期对象
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| | | * |
| | | * @param dateFormat 日期格式
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| | | * @param val 被格式化的日期对象
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| | | * @return 格式化后的日期字符
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| | | */
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| | | public String parseDateToStr(String dateFormat, Object val)
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| | | {
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| | | if (val == null)
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| | | {
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| | | return "";
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| | | }
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| | | String str;
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| | | if (val instanceof Date)
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| | | {
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| | | str = DateUtils.parseDateToStr(dateFormat, (Date) val);
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| | | }
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| | | else if (val instanceof LocalDateTime)
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| | | {
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| | | str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
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| | | }
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| | | else if (val instanceof LocalDate)
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| | | {
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| | | str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
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| | | }
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| | | else
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| | | {
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| | | str = val.toString();
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| | | }
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| | | return str;
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| | | }
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| | | }
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