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@ -7,7 +7,7 @@ import java.io.InputStream;
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import java.io.OutputStream;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.text.SimpleDateFormat;
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import java.text.DecimalFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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@ -15,30 +15,32 @@ import java.util.List;
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import java.util.Map;
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import java.util.UUID;
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import org.apache.poi.hssf.usermodel.DVConstraint;
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import org.apache.poi.hssf.usermodel.HSSFCell;
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import org.apache.poi.hssf.usermodel.HSSFCellStyle;
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import org.apache.poi.hssf.usermodel.HSSFDataValidation;
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import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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import org.apache.poi.hssf.usermodel.HSSFFont;
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import org.apache.poi.hssf.usermodel.HSSFRow;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellStyle;
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import org.apache.poi.ss.usermodel.CellType;
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import org.apache.poi.ss.usermodel.DateUtil;
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import org.apache.poi.ss.usermodel.FillPatternType;
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import org.apache.poi.ss.usermodel.Font;
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import org.apache.poi.ss.usermodel.HorizontalAlignment;
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import org.apache.poi.ss.usermodel.Row;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.VerticalAlignment;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.ss.usermodel.WorkbookFactory;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.ruoyi.common.annotation.Excel;
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import com.ruoyi.common.annotation.Excel.Type;
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import com.ruoyi.common.base.AjaxResult;
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import com.ruoyi.common.config.Global;
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import com.ruoyi.common.exception.BusinessException;
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import com.ruoyi.common.reflect.ReflectUtils;
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/**
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* Excel相关处理
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@ -49,6 +51,44 @@ public class ExcelUtil<T>
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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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* Excel sheet最大行数，默认65536
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*/
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public static final int sheetSize = 65536;
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/**
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* 工作表名称
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*/
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private String sheetName;
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/**
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* 导出类型（EXPORT:导出数据；IMPORT：导入模板）
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*/
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private Type type;
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/**
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* 工作薄对象
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*/
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private Workbook wb;
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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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* 导入导出数据列表
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*/
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private List<T> list;
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/**
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* 注解列表
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*/
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private List<Field> fields;
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/**
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* 实体对象
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*/
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public Class<T> clazz;
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public ExcelUtil(Class<T> clazz)
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@ -56,15 +96,28 @@ public class ExcelUtil<T>
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this.clazz = clazz;
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}
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public void init(List<T> list, String sheetName, Type type)
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{
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if (list == null)
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{
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list = new ArrayList<T>();
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}
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this.list = list;
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this.sheetName = sheetName;
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this.type = type;
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createExcelField();
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createWorkbook();
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}
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/**
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* 对excel表单默认第一个索引名转换成list
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*
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* @param input 输入流
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* @return 转换后集合
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*/
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public List<T> importExcel(InputStream input) throws Exception
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public List<T> importExcel(InputStream is) throws Exception
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{
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return importExcel(StringUtils.EMPTY, input);
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return importExcel(StringUtils.EMPTY, is);
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}
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/**
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@ -74,21 +127,20 @@ public class ExcelUtil<T>
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* @param input 输入流
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* @return 转换后集合
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*/
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public List<T> importExcel(String sheetName, InputStream input) throws Exception
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public List<T> importExcel(String sheetName, InputStream is) throws Exception
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{
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this.wb = new XSSFWorkbook(is);
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List<T> list = new ArrayList<T>();
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Workbook workbook = WorkbookFactory.create(input);
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Sheet sheet = null;
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if (StringUtils.isNotEmpty(sheetName))
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{
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// 如果指定sheet名,则取指定sheet中的内容.
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sheet = workbook.getSheet(sheetName);
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sheet = wb.getSheet(sheetName);
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}
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else
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{
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// 如果传入的sheet名不存在则默认指向第1个sheet.
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sheet = workbook.getSheetAt(0);
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sheet = wb.getSheetAt(0);
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}
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if (sheet == null)
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@ -123,88 +175,77 @@ public class ExcelUtil<T>
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Row row = sheet.getRow(i);
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int cellNum = serialNum;
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T entity = null;
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for (int j = 0; j < cellNum; j++)
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for (int column = 0; column < cellNum; column++)
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{
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Cell cell = row.getCell(j);
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if (cell == null)
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{
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continue;
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}
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else
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{
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// 先设置Cell的类型，然后就可以把纯数字作为String类型读进来了
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row.getCell(j).setCellType(CellType.STRING);
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cell = row.getCell(j);
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}
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String c = cell.getStringCellValue();
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if (StringUtils.isEmpty(c))
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{
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continue;
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}
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Object val = this.getCellValue(row, column);
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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(j + 1);
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Field field = fieldsMap.get(column + 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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{
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field.set(entity, String.valueOf(c));
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String s = String.valueOf(val.toString());
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if (StringUtils.endsWith(s, ".0"))
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{
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val = StringUtils.substringBefore(s, ".0");
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}
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else
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{
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val = String.valueOf(val.toString());
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}
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}
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else if ((Integer.TYPE == fieldType) || (Integer.class == fieldType))
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{
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field.set(entity, Integer.parseInt(c));
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val = Double.valueOf(val.toString()).intValue();
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}
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else if ((Long.TYPE == fieldType) || (Long.class == fieldType))
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{
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field.set(entity, Long.valueOf(c));
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val = Double.valueOf(val.toString()).longValue();
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}
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else if ((Float.TYPE == fieldType) || (Float.class == fieldType))
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{
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field.set(entity, Float.valueOf(c));
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}
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else if ((Short.TYPE == fieldType) || (Short.class == fieldType))
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else if ((Double.TYPE == fieldType) || (Double.class == fieldType))
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{
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field.set(entity, Short.valueOf(c));
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val = Double.valueOf(val.toString());
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}
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else if ((Double.TYPE == fieldType) || (Double.class == fieldType))
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else if ((Float.TYPE == fieldType) || (Float.class == fieldType))
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{
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field.set(entity, Double.valueOf(c));
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val = Float.valueOf(val.toString());
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}
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else if (Character.TYPE == fieldType)
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else if (Date.class == fieldType)
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{
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if ((c != null) && (c.length() > 0))
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if (val instanceof String)
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{
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val = DateUtils.parseDate(val);
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}
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else if (val instanceof Double)
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{
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field.set(entity, Character.valueOf(c.charAt(0)));
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val = DateUtil.getJavaDate((Double) val);
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}
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}
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else if (java.util.Date.class == fieldType)
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if (StringUtils.isNotNull(fieldType))
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{
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if (cell.getCellTypeEnum() == CellType.NUMERIC)
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Excel attr = field.getAnnotation(Excel.class);
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if (StringUtils.isNotEmpty(attr.targetAttr()))
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{
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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cell.setCellValue(sdf.format(cell.getNumericCellValue()));
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c = sdf.format(cell.getNumericCellValue());
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ReflectUtils.invokeSetter(entity, field.getName() + "." + attr.targetAttr(), val);
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}
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else if (StringUtils.isNotEmpty(attr.readConverterExp()))
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{
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String value = reverseByExp(String.valueOf(val), attr.readConverterExp());
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ReflectUtils.invokeSetter(entity, field.getName() + "." + attr.targetAttr(), value);
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}
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else
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{
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c = cell.getStringCellValue();
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ReflectUtils.invokeSetter(entity, field.getName(), val);
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}
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}
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else if (java.math.BigDecimal.class == fieldType)
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{
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c = cell.getStringCellValue();
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}
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}
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if (entity != null)
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{
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list.add(entity);
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}
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list.add(entity);
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}
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}
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return list;
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}
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@ -216,47 +257,42 @@ public class ExcelUtil<T>
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* @return 结果
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*/
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public AjaxResult exportExcel(List<T> list, String sheetName)
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{
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this.init(list, sheetName, Type.EXPORT);
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return exportExcel();
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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 sheetName 工作表的名称
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* @return 结果
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*/
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public AjaxResult importTemplateExcel(String sheetName)
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{
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this.init(null, sheetName, Type.IMPORT);
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return exportExcel();
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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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* @return 结果
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*/
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public AjaxResult exportExcel()
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{
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OutputStream out = null;
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HSSFWorkbook workbook = null;
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try
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{
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// 得到所有定义字段
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Field[] allFields = clazz.getDeclaredFields();
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List<Field> fields = new ArrayList<Field>();
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// 得到所有field并存放到一个list中.
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for (Field field : allFields)
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{
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if (field.isAnnotationPresent(Excel.class))
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{
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fields.add(field);
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}
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}
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// 产生工作薄对象
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workbook = new HSSFWorkbook();
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// excel2003中每个sheet中最多有65536行
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int sheetSize = 65536;
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// 取出一共有多少个sheet.
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double sheetNo = Math.ceil(list.size() / sheetSize);
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for (int index = 0; index <= sheetNo; index++)
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{
|
|
|
|
|
// 产生工作表对象
|
|
|
|
|
HSSFSheet sheet = workbook.createSheet();
|
|
|
|
|
if (sheetNo == 0)
|
|
|
|
|
{
|
|
|
|
|
workbook.setSheetName(index, sheetName);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
// 设置工作表的名称.
|
|
|
|
|
workbook.setSheetName(index, sheetName + index);
|
|
|
|
|
}
|
|
|
|
|
HSSFRow row;
|
|
|
|
|
HSSFCell cell; // 产生单元格
|
|
|
|
|
createSheet(sheetNo, index);
|
|
|
|
|
Cell cell = null; // 产生单元格
|
|
|
|
|
|
|
|
|
|
// 产生一行
|
|
|
|
|
row = sheet.createRow(0);
|
|
|
|
|
Row row = sheet.createRow(0);
|
|
|
|
|
// 写入各个字段的列头名称
|
|
|
|
|
for (int i = 0; i < fields.size(); i++)
|
|
|
|
|
{
|
|
|
|
|
@ -266,12 +302,12 @@ public class ExcelUtil<T>
|
|
|
|
|
cell = row.createCell(i);
|
|
|
|
|
// 设置列中写入内容为String类型
|
|
|
|
|
cell.setCellType(CellType.STRING);
|
|
|
|
|
HSSFCellStyle cellStyle = workbook.createCellStyle();
|
|
|
|
|
CellStyle cellStyle = wb.createCellStyle();
|
|
|
|
|
cellStyle.setAlignment(HorizontalAlignment.CENTER);
|
|
|
|
|
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
|
|
|
|
|
if (attr.name().indexOf("注：") >= 0)
|
|
|
|
|
{
|
|
|
|
|
HSSFFont font = workbook.createFont();
|
|
|
|
|
Font font = wb.createFont();
|
|
|
|
|
font.setColor(HSSFFont.COLOR_RED);
|
|
|
|
|
cellStyle.setFont(font);
|
|
|
|
|
cellStyle.setFillForegroundColor(HSSFColorPredefined.YELLOW.getIndex());
|
|
|
|
|
@ -279,7 +315,7 @@ public class ExcelUtil<T>
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
HSSFFont font = workbook.createFont();
|
|
|
|
|
Font font = wb.createFont();
|
|
|
|
|
// 粗体显示
|
|
|
|
|
font.setBold(true);
|
|
|
|
|
// 选择需要用到的字体格式
|
|
|
|
|
@ -309,72 +345,14 @@ public class ExcelUtil<T>
|
|
|
|
|
setHSSFValidation(sheet, attr.combo(), 1, 100, i, i);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int startNo = index * sheetSize;
|
|
|
|
|
int endNo = Math.min(startNo + sheetSize, list.size());
|
|
|
|
|
// 写入各条记录,每条记录对应excel表中的一行
|
|
|
|
|
HSSFCellStyle cs = workbook.createCellStyle();
|
|
|
|
|
cs.setAlignment(HorizontalAlignment.CENTER);
|
|
|
|
|
cs.setVerticalAlignment(VerticalAlignment.CENTER);
|
|
|
|
|
for (int i = startNo; i < endNo; i++)
|
|
|
|
|
if (Type.EXPORT.equals(type))
|
|
|
|
|
{
|
|
|
|
|
row = sheet.createRow(i + 1 - startNo);
|
|
|
|
|
// 得到导出对象.
|
|
|
|
|
T vo = (T) list.get(i);
|
|
|
|
|
for (int j = 0; j < fields.size(); j++)
|
|
|
|
|
{
|
|
|
|
|
// 获得field.
|
|
|
|
|
Field field = fields.get(j);
|
|
|
|
|
// 设置实体类私有属性可访问
|
|
|
|
|
field.setAccessible(true);
|
|
|
|
|
Excel attr = field.getAnnotation(Excel.class);
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
// 设置行高
|
|
|
|
|
row.setHeight((short) (attr.height() * 20));
|
|
|
|
|
// 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
|
|
|
|
|
if (attr.isExport())
|
|
|
|
|
{
|
|
|
|
|
// 创建cell
|
|
|
|
|
cell = row.createCell(j);
|
|
|
|
|
cell.setCellStyle(cs);
|
|
|
|
|
if (vo == null)
|
|
|
|
|
{
|
|
|
|
|
// 如果数据存在就填入,不存在填入空格.
|
|
|
|
|
cell.setCellValue("");
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 用于读取对象中的属性
|
|
|
|
|
Object value = getTargetValue(vo, field, attr);
|
|
|
|
|
String dateFormat = attr.dateFormat();
|
|
|
|
|
String readConverterExp = attr.readConverterExp();
|
|
|
|
|
if (StringUtils.isNotEmpty(dateFormat))
|
|
|
|
|
{
|
|
|
|
|
cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
|
|
|
|
|
}
|
|
|
|
|
else if (StringUtils.isNotEmpty(readConverterExp))
|
|
|
|
|
{
|
|
|
|
|
cell.setCellValue(convertByExp(String.valueOf(value), readConverterExp));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
cell.setCellType(CellType.STRING);
|
|
|
|
|
// 如果数据存在就填入,不存在填入空格.
|
|
|
|
|
cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch (Exception e)
|
|
|
|
|
{
|
|
|
|
|
log.error("导出Excel失败{}", e.getMessage());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
fillExcelData(index, row, cell);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
String filename = encodingFilename(sheetName);
|
|
|
|
|
out = new FileOutputStream(getAbsoluteFile(filename));
|
|
|
|
|
workbook.write(out);
|
|
|
|
|
wb.write(out);
|
|
|
|
|
return AjaxResult.success(filename);
|
|
|
|
|
}
|
|
|
|
|
catch (Exception e)
|
|
|
|
|
@ -384,11 +362,11 @@ public class ExcelUtil<T>
|
|
|
|
|
}
|
|
|
|
|
finally
|
|
|
|
|
{
|
|
|
|
|
if (workbook != null)
|
|
|
|
|
if (wb != null)
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
workbook.close();
|
|
|
|
|
wb.close();
|
|
|
|
|
}
|
|
|
|
|
catch (IOException e1)
|
|
|
|
|
{
|
|
|
|
|
@ -409,6 +387,78 @@ public class ExcelUtil<T>
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 填充excel数据
|
|
|
|
|
*
|
|
|
|
|
* @param index 序号
|
|
|
|
|
* @param row 单元格行
|
|
|
|
|
* @param cell 类型单元格
|
|
|
|
|
*/
|
|
|
|
|
public void fillExcelData(int index, Row row, Cell cell)
|
|
|
|
|
{
|
|
|
|
|
int startNo = index * sheetSize;
|
|
|
|
|
int endNo = Math.min(startNo + sheetSize, list.size());
|
|
|
|
|
// 写入各条记录,每条记录对应excel表中的一行
|
|
|
|
|
CellStyle cs = wb.createCellStyle();
|
|
|
|
|
cs.setAlignment(HorizontalAlignment.CENTER);
|
|
|
|
|
cs.setVerticalAlignment(VerticalAlignment.CENTER);
|
|
|
|
|
for (int i = startNo; i < endNo; i++)
|
|
|
|
|
{
|
|
|
|
|
row = sheet.createRow(i + 1 - startNo);
|
|
|
|
|
// 得到导出对象.
|
|
|
|
|
T vo = (T) list.get(i);
|
|
|
|
|
for (int j = 0; j < fields.size(); j++)
|
|
|
|
|
{
|
|
|
|
|
// 获得field.
|
|
|
|
|
Field field = fields.get(j);
|
|
|
|
|
// 设置实体类私有属性可访问
|
|
|
|
|
field.setAccessible(true);
|
|
|
|
|
Excel attr = field.getAnnotation(Excel.class);
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
// 设置行高
|
|
|
|
|
row.setHeight((short) (attr.height() * 20));
|
|
|
|
|
// 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
|
|
|
|
|
if (attr.isExport())
|
|
|
|
|
{
|
|
|
|
|
// 创建cell
|
|
|
|
|
cell = row.createCell(j);
|
|
|
|
|
cell.setCellStyle(cs);
|
|
|
|
|
if (vo == null)
|
|
|
|
|
{
|
|
|
|
|
// 如果数据存在就填入,不存在填入空格.
|
|
|
|
|
cell.setCellValue("");
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 用于读取对象中的属性
|
|
|
|
|
Object value = getTargetValue(vo, field, attr);
|
|
|
|
|
String dateFormat = attr.dateFormat();
|
|
|
|
|
String readConverterExp = attr.readConverterExp();
|
|
|
|
|
if (StringUtils.isNotEmpty(dateFormat))
|
|
|
|
|
{
|
|
|
|
|
cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
|
|
|
|
|
}
|
|
|
|
|
else if (StringUtils.isNotEmpty(readConverterExp))
|
|
|
|
|
{
|
|
|
|
|
cell.setCellValue(convertByExp(String.valueOf(value), readConverterExp));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
cell.setCellType(CellType.STRING);
|
|
|
|
|
// 如果数据存在就填入,不存在填入空格.
|
|
|
|
|
cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch (Exception e)
|
|
|
|
|
{
|
|
|
|
|
log.error("导出Excel失败{}", e.getMessage());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置单元格上提示
|
|
|
|
|
*
|
|
|
|
|
@ -421,8 +471,8 @@ public class ExcelUtil<T>
|
|
|
|
|
* @param endCol 结束列
|
|
|
|
|
* @return 设置好的sheet.
|
|
|
|
|
*/
|
|
|
|
|
public static HSSFSheet setHSSFPrompt(HSSFSheet sheet, String promptTitle, String promptContent, int firstRow,
|
|
|
|
|
int endRow, int firstCol, int endCol)
|
|
|
|
|
public static Sheet setHSSFPrompt(Sheet sheet, String promptTitle, String promptContent, int firstRow, int endRow,
|
|
|
|
|
int firstCol, int endCol)
|
|
|
|
|
{
|
|
|
|
|
// 构造constraint对象
|
|
|
|
|
DVConstraint constraint = DVConstraint.createCustomFormulaConstraint("DD1");
|
|
|
|
|
@ -446,8 +496,8 @@ public class ExcelUtil<T>
|
|
|
|
|
* @param endCol 结束列
|
|
|
|
|
* @return 设置好的sheet.
|
|
|
|
|
*/
|
|
|
|
|
public static HSSFSheet setHSSFValidation(HSSFSheet sheet, String[] textlist, int firstRow, int endRow,
|
|
|
|
|
int firstCol, int endCol)
|
|
|
|
|
public static Sheet setHSSFValidation(Sheet sheet, String[] textlist, int firstRow, int endRow, int firstCol,
|
|
|
|
|
int endCol)
|
|
|
|
|
{
|
|
|
|
|
// 加载下拉列表内容
|
|
|
|
|
DVConstraint constraint = DVConstraint.createExplicitListConstraint(textlist);
|
|
|
|
|
@ -488,12 +538,41 @@ public class ExcelUtil<T>
|
|
|
|
|
return propertyValue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 反向解析值 男=0,女=1,未知=2
|
|
|
|
|
*
|
|
|
|
|
* @param propertyValue 参数值
|
|
|
|
|
* @param converterExp 翻译注解
|
|
|
|
|
* @return 解析后值
|
|
|
|
|
* @throws Exception
|
|
|
|
|
*/
|
|
|
|
|
public static String reverseByExp(String propertyValue, String converterExp) throws Exception
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
String[] convertSource = converterExp.split(",");
|
|
|
|
|
for (String item : convertSource)
|
|
|
|
|
{
|
|
|
|
|
String[] itemArray = item.split("=");
|
|
|
|
|
if (itemArray[1].equals(propertyValue))
|
|
|
|
|
{
|
|
|
|
|
return itemArray[0];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch (Exception e)
|
|
|
|
|
{
|
|
|
|
|
throw e;
|
|
|
|
|
}
|
|
|
|
|
return propertyValue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 编码文件名
|
|
|
|
|
*/
|
|
|
|
|
public String encodingFilename(String filename)
|
|
|
|
|
{
|
|
|
|
|
filename = UUID.randomUUID().toString() + "_" + filename + ".xls";
|
|
|
|
|
filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";
|
|
|
|
|
return filename;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -563,4 +642,110 @@ public class ExcelUtil<T>
|
|
|
|
|
}
|
|
|
|
|
return o;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 得到所有定义字段
|
|
|
|
|
*/
|
|
|
|
|
private void createExcelField()
|
|
|
|
|
{
|
|
|
|
|
this.fields = new ArrayList<Field>();
|
|
|
|
|
Field[] allFields = clazz.getDeclaredFields();
|
|
|
|
|
// 得到所有field并存放到一个list中.
|
|
|
|
|
for (Field field : allFields)
|
|
|
|
|
{
|
|
|
|
|
if (field.isAnnotationPresent(Excel.class))
|
|
|
|
|
{
|
|
|
|
|
fields.add(field);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 创建一个工作簿
|
|
|
|
|
*/
|
|
|
|
|
public void createWorkbook()
|
|
|
|
|
{
|
|
|
|
|
this.wb = new SXSSFWorkbook(500);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 创建工作表
|
|
|
|
|
*
|
|
|
|
|
* @param sheetName，指定Sheet名称
|
|
|
|
|
* @param sheetNo sheet数量
|
|
|
|
|
* @param index 序号
|
|
|
|
|
*/
|
|
|
|
|
public void createSheet(double sheetNo, int index)
|
|
|
|
|
{
|
|
|
|
|
this.sheet = wb.createSheet();
|
|
|
|
|
// 设置工作表的名称.
|
|
|
|
|
if (sheetNo == 0)
|
|
|
|
|
{
|
|
|
|
|
wb.setSheetName(index, sheetName);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
wb.setSheetName(index, sheetName + index);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
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/**
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* 获取单元格值
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*
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* @param row 获取的行
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* @param column 获取单元格列号
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* @return 单元格值
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*/
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public Object getCellValue(Row row, int column)
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{
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if (row == null)
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{
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return row;
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}
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Object val = "";
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try
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{
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Cell cell = row.getCell(column);
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if (cell != null)
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{
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if (cell.getCellTypeEnum() == CellType.NUMERIC)
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{
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val = cell.getNumericCellValue();
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if (HSSFDateUtil.isCellDateFormatted(cell))
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{
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val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
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}
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else
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{
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if ((Double) val % 1 > 0)
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{
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val = new DecimalFormat("0.00").format(val);
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}
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else
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{
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val = new DecimalFormat("0").format(val);
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}
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}
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}
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else if (cell.getCellTypeEnum() == CellType.STRING)
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{
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val = cell.getStringCellValue();
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}
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else if (cell.getCellTypeEnum() == CellType.BOOLEAN)
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{
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val = cell.getBooleanCellValue();
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}
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else if (cell.getCellTypeEnum() == CellType.ERROR)
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{
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val = cell.getErrorCellValue();
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}
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}
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}
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catch (Exception e)
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{
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return val;
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}
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return val;
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}
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}
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RuoYi
6 years ago
committed by
Limy