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basic-api-boot
提交 9a8d3151 作者: 谭志磊
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basic-common/util/src/main/java/com/yiring/common/util/file/FileTypeUtils.java deleted 100644 → 0
/* (C) 2022 YiRing, Inc. */
package com.yiring.common.util.file;
import java.io.File;
import org.apache.commons.lang3.StringUtils;
/**
* 文件类型工具类
*/
public class FileTypeUtils {
/**
* 获取文件类型
* <p>
* 例如: ruoyi.txt, 返回: txt
*
* @param file 文件名
* @return 后缀（不含".")
*/
public static String getFileType(File file) {
if (null == file) {
return StringUtils.EMPTY;
}
return getFileType(file.getName());
}
/**
* 获取文件类型
* <p>
* 例如: ruoyi.txt, 返回: txt
*
* @param fileName 文件名
* @return 后缀（不含".")
*/
public static String getFileType(String fileName) {
int separatorIndex = fileName.lastIndexOf(".");
if (separatorIndex < 0) {
return "";
}
return fileName.substring(separatorIndex + 1).toLowerCase();
}
/**
* 获取文件类型
*
* @param photoByte 文件字节码
* @return 后缀（不含".")
*/
public static String getFileExtendName(byte[] photoByte) {
String strFileExtendName = "JPG";
if (
(photoByte[0] == 71) &&
(photoByte[1] == 73) &&
(photoByte[2] == 70) &&
(photoByte[3] == 56) &&
((photoByte[4] == 55) || (photoByte[4] == 57)) &&
(photoByte[5] == 97)
) {
strFileExtendName = "GIF";
} else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70)) {
strFileExtendName = "JPG";
} else if ((photoByte[0] == 66) && (photoByte[1] == 77)) {
strFileExtendName = "BMP";
} else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71)) {
strFileExtendName = "PNG";
}
return strFileExtendName;
}
}
basic-common/util/src/main/java/com/yiring/common/util/file/ImageUtils.java deleted 100644 → 0
/* (C) 2022 YiRing, Inc. */
package com.yiring.common.util.file;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Arrays;
import org.apache.poi.util.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 图片处理工具类
*/
public class ImageUtils {
private static final Logger log = LoggerFactory.getLogger(ImageUtils.class);
public static byte[] getImage(String imagePath) {
InputStream is = getFile(imagePath);
try {
return IOUtils.toByteArray(is);
} catch (Exception e) {
log.error("图片加载异常 {}", e);
return null;
} finally {
IOUtils.closeQuietly(is);
}
}
public static InputStream getFile(String imagePath) {
try {
byte[] result = readFile(imagePath);
result = Arrays.copyOf(result, result.length);
return new ByteArrayInputStream(result);
} catch (Exception e) {
log.error("获取图片异常 {}", e);
}
return null;
}
/**
* 读取文件为字节数据
*
* @param url 地址
* @return 字节数据
*/
public static byte[] readFile(String url) {
InputStream in = null;
try {
// 网络地址
URL urlObj = new URL(url);
URLConnection urlConnection = urlObj.openConnection();
urlConnection.setConnectTimeout(30 * 1000);
urlConnection.setReadTimeout(60 * 1000);
urlConnection.setDoInput(true);
in = urlConnection.getInputStream();
return IOUtils.toByteArray(in);
} catch (Exception e) {
log.error("访问文件异常 {}", e);
return null;
} finally {
IOUtils.closeQuietly(in);
}
}
}
basic-common/util/src/main/java/com/yiring/common/util/poi/ExcelHandlerAdapter.java deleted 100644 → 0
/* (C) 2022 YiRing, Inc. */
package com.yiring.common.util.poi;
/**
* Excel数据格式处理适配器
*/
public interface ExcelHandlerAdapter {
/**
* 格式化
*
* @param value 单元格数据值
* @param args excel注解args参数组
* @return 处理后的值
*/
Object format(Object value, String[] args);
}
basic-common/util/src/main/java/com/yiring/common/util/poi/ExcelUtils.java deleted 100644 → 0
/* (C) 2022 YiRing, Inc. */
package com.yiring.common.util.poi;
import com.yiring.common.annotation.Excel;
import com.yiring.common.annotation.Excel.ColumnType;
import com.yiring.common.annotation.Excel.Type;
import com.yiring.common.annotation.Excels;
import com.yiring.common.text.Convert;
import com.yiring.common.util.DictUtils;
import com.yiring.common.util.StrUtils;
import com.yiring.common.util.date.DateUtils;
import com.yiring.common.util.file.FileTypeUtils;
import com.yiring.common.util.file.ImageUtils;
import com.yiring.common.util.reflect.ReflectUtils;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.RegExUtils;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Excel相关处理
*
* @author ruoyi
*/
public class ExcelUtils<T> {
private static final Logger log = LoggerFactory.getLogger(ExcelUtils.class);
public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
/**
* Excel sheet最大行数，默认65536
*/
public static final int sheetSize = 65536;
/**
* 工作表名称
*/
private String sheetName;
/**
* 导出类型（EXPORT:导出数据；IMPORT：导入模板）
*/
private Type type;
/**
* 工作薄对象
*/
private Workbook wb;
/**
* 工作表对象
*/
private Sheet sheet;
/**
* 样式列表
*/
private Map<String, CellStyle> styles;
/**
* 导入导出数据列表
*/
private List<T> list;
/**
* 注解列表
*/
private List<Object[]> fields;
/**
* 当前行号
*/
private int rownum;
/**
* 标题
*/
private String title;
/**
* 最大高度
*/
private short maxHeight;
/**
* 统计列表
*/
private Map<Integer, Double> statistics = new HashMap<Integer, Double>();
/**
* 数字格式
*/
private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");
/**
* 实体对象
*/
public Class<T> clazz;
public ExcelUtils(Class<T> clazz) {
this.clazz = clazz;
}
public void init(List<T> list, String sheetName, String title, Type type) {
if (list == null) {
list = new ArrayList<T>();
}
this.list = list;
this.sheetName = sheetName;
this.type = type;
this.title = title;
createExcelField();
createWorkbook();
createTitle();
}
/**
* 创建excel第一行标题
*/
public void createTitle() {
if (StrUtils.isNotEmpty(title)) {
Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
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(),
this.fields.size() - 1
)
);
}
}
/**
* 对excel表单默认第一个索引名转换成list
*
* @param is 输入流
* @return 转换后集合
*/
public List<T> importExcel(InputStream is) throws Exception {
return importExcel(is, 0);
}
/**
* 对excel表单默认第一个索引名转换成list
*
* @param is 输入流
* @param titleNum 标题占用行数
* @return 转换后集合
*/
public List<T> importExcel(InputStream is, int titleNum) throws Exception {
return importExcel(StrUtils.EMPTY, is, titleNum);
}
/**
* 对excel表单指定表格索引名转换成list
*
* @param sheetName 表格索引名
* @param titleNum 标题占用第几行数
* @param is 输入流
* @return 转换后集合
*/
public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception {
this.type = Type.IMPORT;
this.wb = WorkbookFactory.create(is);
List<T> list = new ArrayList<T>();
// 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
Sheet sheet = StrUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
if (sheet == null) {
throw new IOException("文件sheet不存在");
}
// 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
int rows = sheet.getLastRowNum();
if (rows > 0) {
// 定义一个map用于存放excel列的序号和field.
Map<String, Integer> cellMap = new HashMap<String, Integer>();
// 获取表头
Row heard = sheet.getRow(titleNum);
for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) {
Cell cell = heard.getCell(i);
if (StrUtils.isNotNull(cell)) {
String value = this.getCellValue(heard, i).toString();
cellMap.put(value, i);
} else {
cellMap.put(null, i);
}
}
// 有数据时才处理 得到类的所有field.
List<Object[]> fields = this.getFields();
Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>();
for (Object[] objects : fields) {
Excel attr = (Excel) objects[1];
Integer column = cellMap.get(attr.name());
if (column != null) {
fieldsMap.put(column, objects);
}
}
for (int i = titleNum + 1; i <= rows; i++) {
// 从第2行开始取数据,默认第一行是表头.
Row row = sheet.getRow(i);
// 判断当前行是否是空行
if (isRowEmpty(row)) {
continue;
}
T entity = null;
for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet()) {
Object val = this.getCellValue(row, entry.getKey());
// 如果不存在实例则新建.
entity = (entity == null ? clazz.newInstance() : entity);
// 从map中得到对应列的field.
Field field = (Field) entry.getValue()[0];
Excel attr = (Excel) entry.getValue()[1];
// 取得类型,并根据对象类型设置值.
Class<?> fieldType = field.getType();
if (String.class == fieldType) {
String s = Convert.toStr(val);
if (StrUtils.endsWith(s, ".0")) {
val = StrUtils.substringBefore(s, ".0");
} else {
String dateFormat = field.getAnnotation(Excel.class).dateFormat();
if (StrUtils.isNotEmpty(dateFormat)) {
val = parseDateToStr(dateFormat, val);
} else {
val = Convert.toStr(val);
}
}
} else if (
(Integer.TYPE == fieldType || Integer.class == fieldType) &&
StrUtils.isNumeric(Convert.toStr(val))
) {
val = Convert.toInt(val);
} else if (
(Long.TYPE == fieldType || Long.class == fieldType) && StrUtils.isNumeric(Convert.toStr(val))
) {
val = Convert.toLong(val);
} else if (Double.TYPE == fieldType || Double.class == fieldType) {
val = Convert.toDouble(val);
} else if (Float.TYPE == fieldType || Float.class == fieldType) {
val = Convert.toFloat(val);
} else if (BigDecimal.class == fieldType) {
val = Convert.toBigDecimal(val);
} else if (Date.class == fieldType) {
if (val instanceof String) {
val = DateUtils.parseDate(val);
} else if (val instanceof Double) {
val = DateUtil.getJavaDate((Double) val);
}
} else if (Boolean.TYPE == fieldType || Boolean.class == fieldType) {
val = Convert.toBool(val, false);
}
if (StrUtils.isNotNull(fieldType)) {
String propertyName = field.getName();
if (StrUtils.isNotEmpty(attr.targetAttr())) {
propertyName = field.getName() + "." + attr.targetAttr();
} else if (StrUtils.isNotEmpty(attr.readConverterExp())) {
val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
} else if (!attr.handler().equals(ExcelHandlerAdapter.class)) {
val = dataFormatHandlerAdapter(val, attr);
}
ReflectUtils.invokeSetter(entity, propertyName, val);
}
}
list.add(entity);
}
}
return list;
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param response 返回数据
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @return 结果
* @throws IOException
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) {
exportExcel(response, list, sheetName, StrUtils.EMPTY);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param response 返回数据
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
* @throws IOException
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title) {
// response.setContentType("application/octet-stream");
// response.setCharacterEncoding("utf-8");
this.init(list, sheetName, title, Type.EXPORT);
exportExcel(response);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @return 结果
*/
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @return 结果
*/
public void importTemplateExcel(HttpServletResponse response, String sheetName) {
importTemplateExcel(response, sheetName, StrUtils.EMPTY);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
*/
public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) {
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(null, sheetName, title, Type.IMPORT);
exportExcel(response);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @return 结果
*/
public void exportExcel(HttpServletResponse response) {
try {
writeSheet();
wb.write(response.getOutputStream());
// FileOutputStream fos = new FileOutputStream("D:/a.xls");
// wb.write(fos);
// fos.close();
} catch (Exception e) {
log.error("导出Excel异常{}", e.getMessage());
} finally {
IOUtils.closeQuietly(wb);
}
}
/**
* 创建写入数据到Sheet
*/
public void writeSheet() {
// 取出一共有多少个sheet.
int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize));
for (int index = 0; index < sheetNo; index++) {
createSheet(sheetNo, index);
// 产生一行
Row row = sheet.createRow(rownum);
int column = 0;
// 写入各个字段的列头名称
for (Object[] os : fields) {
Excel excel = (Excel) os[1];
this.createCell(excel, row, column++);
}
if (Type.EXPORT.equals(type)) {
fillExcelData(index, row);
addStatisticsRow();
}
}
}
/**
* 填充excel数据
*
* @param index 序号
* @param row 单元格行
*/
public void fillExcelData(int index, Row row) {
int startNo = index * sheetSize;
int endNo = Math.min(startNo + sheetSize, list.size());
for (int i = startNo; i < endNo; i++) {
row = sheet.createRow(i + 1 + rownum - startNo);
// 得到导出对象.
T vo = (T) list.get(i);
int column = 0;
for (Object[] os : fields) {
Field field = (Field) os[0];
Excel excel = (Excel) os[1];
this.addCell(excel, row, vo, field, column++);
}
}
}
/**
* 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) {
// 写入各条记录,每条记录对应excel表中的一行
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.setAlignment(HorizontalAlignment.CENTER);
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.CENTER);
style.setVerticalAlignment(VerticalAlignment.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);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
Font totalFont = wb.createFont();
totalFont.setFontName("Arial");
totalFont.setFontHeightInPoints((short) 10);
style.setFont(totalFont);
styles.put("total", 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);
return styles;
}
/**
* 创建单元格
*/
public Cell createCell(Excel attr, Row row, int column) {
// 创建列
Cell cell = row.createCell(column);
// 写入列信息
cell.setCellValue(attr.name());
setDataValidation(attr, row, column);
cell.setCellStyle(styles.get("header"));
return cell;
}
/**
* 设置单元格信息
*
* @param value 单元格值
* @param attr 注解相关
* @param cell 单元格信息
*/
public void setCellVo(Object value, Excel attr, Cell cell) {
if (ColumnType.STRING == attr.cellType()) {
String cellValue = Convert.toStr(value);
// 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。
if (StrUtils.startsWithAny(cellValue, FORMULA_STR)) {
cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
}
cell.setCellValue(StrUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
} else if (ColumnType.NUMERIC == attr.cellType()) {
if (StrUtils.isNotNull(value)) {
cell.setCellValue(
StrUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value)
);
}
} else if (ColumnType.IMAGE == attr.cellType()) {
ClientAnchor anchor = new XSSFClientAnchor(
0,
0,
0,
0,
(short) cell.getColumnIndex(),
cell.getRow().getRowNum(),
(short) (cell.getColumnIndex() + 1),
cell.getRow().getRowNum() + 1
);
String imagePath = Convert.toStr(value);
if (StrUtils.isNotEmpty(imagePath)) {
byte[] data = ImageUtils.getImage(imagePath);
getDrawingPatriarch(cell.getSheet())
.createPicture(anchor, cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
}
}
}
/**
* 获取画布
*/
public static Drawing<?> getDrawingPatriarch(Sheet sheet) {
if (sheet.getDrawingPatriarch() == null) {
sheet.createDrawingPatriarch();
}
return sheet.getDrawingPatriarch();
}
/**
* 获取图片类型,设置图片插入类型
*/
public int getImageType(byte[] value) {
String type = FileTypeUtils.getFileExtendName(value);
if ("JPG".equalsIgnoreCase(type)) {
return Workbook.PICTURE_TYPE_JPEG;
} else if ("PNG".equalsIgnoreCase(type)) {
return Workbook.PICTURE_TYPE_PNG;
}
return Workbook.PICTURE_TYPE_JPEG;
}
/**
* 创建表格样式
*/
public void setDataValidation(Excel attr, Row row, int column) {
if (attr.name().indexOf("注：") >= 0) {
sheet.setColumnWidth(column, 6000);
} else {
// 设置列宽
sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
}
if (StrUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0) {
// 提示信息或只能选择不能输入的列内容.
setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
}
}
/**
* 添加单元格
*/
public Cell addCell(Excel attr, Row row, T vo, Field field, int column) {
Cell cell = null;
try {
// 设置行高
row.setHeight(maxHeight);
// 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(column);
int align = attr.align().value();
cell.setCellStyle(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
// 用于读取对象中的属性
Object value = getTargetValue(vo, field, attr);
String dateFormat = attr.dateFormat();
String readConverterExp = attr.readConverterExp();
String separator = attr.separator();
String dictType = attr.dictType();
if (StrUtils.isNotEmpty(dateFormat) && StrUtils.isNotNull(value)) {
cell.setCellValue(parseDateToStr(dateFormat, value));
} else if (StrUtils.isNotEmpty(readConverterExp) && StrUtils.isNotNull(value)) {
cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
} else if (StrUtils.isNotEmpty(dictType) && StrUtils.isNotNull(value)) {
cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));
} else if (value instanceof BigDecimal && -1 != attr.scale()) {
cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
} else if (!attr.handler().equals(ExcelHandlerAdapter.class)) {
cell.setCellValue(dataFormatHandlerAdapter(value, attr));
} else {
// 设置列类型
setCellVo(value, attr, cell);
}
addStatisticsData(column, Convert.toStr(value), attr);
}
} catch (Exception e) {
log.error("导出Excel失败{}", e);
}
return cell;
}
/**
* 设置 POI XSSFSheet 单元格提示或选择框
*
* @param sheet 表单
* @param textlist 下拉框显示的内容
* @param promptContent 提示内容
* @param firstRow 开始行
* @param endRow 结束行
* @param firstCol 开始列
* @param endCol 结束列
*/
public void setPromptOrValidation(
Sheet sheet,
String[] textlist,
String promptContent,
int firstRow,
int endRow,
int firstCol,
int endCol
) {
DataValidationHelper helper = sheet.getDataValidationHelper();
DataValidationConstraint constraint = textlist.length > 0
? helper.createExplicitListConstraint(textlist)
: helper.createCustomConstraint("DD1");
CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
DataValidation dataValidation = helper.createValidation(constraint, regions);
if (StrUtils.isNotEmpty(promptContent)) {
// 如果设置了提示信息则鼠标放上去提示
dataValidation.createPromptBox("", promptContent);
dataValidation.setShowPromptBox(true);
}
// 处理Excel兼容性问题
if (dataValidation instanceof XSSFDataValidation) {
dataValidation.setSuppressDropDownArrow(true);
dataValidation.setShowErrorBox(true);
} else {
dataValidation.setSuppressDropDownArrow(false);
}
sheet.addValidationData(dataValidation);
}
/**
* 解析导出值 0=男,1=女,2=未知
*
* @param propertyValue 参数值
* @param converterExp 翻译注解
* @param separator 分隔符
* @return 解析后值
*/
public static String convertByExp(String propertyValue, String converterExp, String separator) {
StringBuilder propertyString = new StringBuilder();
String[] convertSource = converterExp.split(",");
for (String item : convertSource) {
String[] itemArray = item.split("=");
if (StrUtils.containsAny(separator, propertyValue)) {
for (String value : propertyValue.split(separator)) {
if (itemArray[0].equals(value)) {
propertyString.append(itemArray[1] + separator);
break;
}
}
} else {
if (itemArray[0].equals(propertyValue)) {
return itemArray[1];
}
}
}
return StrUtils.stripEnd(propertyString.toString(), separator);
}
/**
* 反向解析值 男=0,女=1,未知=2
*
* @param propertyValue 参数值
* @param converterExp 翻译注解
* @param separator 分隔符
* @return 解析后值
*/
public static String reverseByExp(String propertyValue, String converterExp, String separator) {
StringBuilder propertyString = new StringBuilder();
String[] convertSource = converterExp.split(",");
for (String item : convertSource) {
String[] itemArray = item.split("=");
if (StrUtils.containsAny(separator, propertyValue)) {
for (String value : propertyValue.split(separator)) {
if (itemArray[1].equals(value)) {
propertyString.append(itemArray[0] + separator);
break;
}
}
} else {
if (itemArray[1].equals(propertyValue)) {
return itemArray[0];
}
}
}
return StrUtils.stripEnd(propertyString.toString(), separator);
}
/**
* 解析字典值
*
* @param dictValue 字典值
* @param dictType 字典类型
* @param separator 分隔符
* @return 字典标签
*/
public static String convertDictByExp(String dictValue, String dictType, String separator) {
return DictUtils.getDictLabel(dictType, dictValue, separator);
}
/**
* 反向解析值字典值
*
* @param dictLabel 字典标签
* @param dictType 字典类型
* @param separator 分隔符
* @return 字典值
*/
public static String reverseDictByExp(String dictLabel, String dictType, String separator) {
return DictUtils.getDictValue(dictType, dictLabel, separator);
}
/**
* 数据处理器
*
* @param value 数据值
* @param excel 数据注解
* @return
*/
public String dataFormatHandlerAdapter(Object value, Excel excel) {
try {
Object instance = excel.handler().newInstance();
Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class });
value = formatMethod.invoke(instance, value, excel.args());
} catch (Exception e) {
log.error("不能格式化数据 " + excel.handler(), e.getMessage());
}
return Convert.toStr(value);
}
/**
* 合计统计信息
*/
private void addStatisticsData(Integer index, String text, Excel entity) {
if (entity != null && entity.isStatistics()) {
Double temp = 0D;
if (!statistics.containsKey(index)) {
statistics.put(index, temp);
}
try {
temp = Double.valueOf(text);
} catch (NumberFormatException e) {}
statistics.put(index, statistics.get(index) + temp);
}
}
/**
* 创建统计行
*/
public void addStatisticsRow() {
if (statistics.size() > 0) {
Row row = sheet.createRow(sheet.getLastRowNum() + 1);
Set<Integer> keys = statistics.keySet();
Cell cell = row.createCell(0);
cell.setCellStyle(styles.get("total"));
cell.setCellValue("合计");
for (Integer key : keys) {
cell = row.createCell(key);
cell.setCellStyle(styles.get("total"));
cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
}
statistics.clear();
}
}
/**
* 获取bean中的属性值
*
* @param vo 实体对象
* @param field 字段
* @param excel 注解
* @return 最终的属性值
* @throws Exception
*/
private Object getTargetValue(T vo, Field field, Excel excel) throws Exception {
Object o = field.get(vo);
if (StrUtils.isNotEmpty(excel.targetAttr())) {
String target = excel.targetAttr();
if (target.contains(".")) {
String[] targets = target.split("[.]");
for (String name : targets) {
o = getValue(o, name);
}
} else {
o = getValue(o, target);
}
}
return o;
}
/**
* 以类的属性的get方法方法形式获取值
*
* @param o
* @param name
* @return value
* @throws Exception
*/
private Object getValue(Object o, String name) throws Exception {
if (StrUtils.isNotNull(o) && StrUtils.isNotEmpty(name)) {
Class<?> clazz = o.getClass();
Field field = clazz.getDeclaredField(name);
field.setAccessible(true);
o = field.get(o);
}
return o;
}
/**
* 得到所有定义字段
*/
private void createExcelField() {
this.fields = getFields();
this.fields =
this.fields.stream()
.sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort()))
.collect(Collectors.toList());
this.maxHeight = getRowHeight();
}
/**
* 获取字段注解信息
*/
public List<Object[]> getFields() {
List<Object[]> fields = new ArrayList<Object[]>();
List<Field> tempFields = new ArrayList<>();
tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
for (Field field : tempFields) {
// 单注解
if (field.isAnnotationPresent(Excel.class)) {
Excel attr = field.getAnnotation(Excel.class);
if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) {
field.setAccessible(true);
fields.add(new Object[] { field, attr });
}
}
// 多注解
if (field.isAnnotationPresent(Excels.class)) {
Excels attrs = field.getAnnotation(Excels.class);
Excel[] excels = attrs.value();
for (Excel attr : excels) {
if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) {
field.setAccessible(true);
fields.add(new Object[] { field, attr });
}
}
}
}
return fields;
}
/**
* 根据注解获取最大行高
*/
public short getRowHeight() {
double maxHeight = 0;
for (Object[] os : this.fields) {
Excel excel = (Excel) os[1];
maxHeight = Math.max(maxHeight, excel.height());
}
return (short) (maxHeight * 20);
}
/**
* 创建一个工作簿
*/
public void createWorkbook() {
this.wb = new SXSSFWorkbook(500);
this.sheet = wb.createSheet();
wb.setSheetName(0, sheetName);
this.styles = createStyles(wb);
}
/**
* 创建工作表
*
* @param sheetNo sheet数量
* @param index 序号
*/
public void createSheet(int sheetNo, int index) {
// 设置工作表的名称.
if (sheetNo > 1 && index > 0) {
this.sheet = wb.createSheet();
this.createTitle();
wb.setSheetName(index, sheetName + index);
}
}
/**
* 获取单元格值
*
* @param row 获取的行
* @param column 获取单元格列号
* @return 单元格值
*/
public Object getCellValue(Row row, int column) {
if (row == null) {
return row;
}
Object val = "";
try {
Cell cell = row.getCell(column);
if (StrUtils.isNotNull(cell)) {
if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA) {
val = cell.getNumericCellValue();
if (DateUtil.isCellDateFormatted(cell)) {
val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
} else {
if ((Double) val % 1 != 0) {
val = new BigDecimal(val.toString());
} else {
val = new DecimalFormat("0").format(val);
}
}
} else if (cell.getCellType() == CellType.STRING) {
val = cell.getStringCellValue();
} else if (cell.getCellType() == CellType.BOOLEAN) {
val = cell.getBooleanCellValue();
} else if (cell.getCellType() == CellType.ERROR) {
val = cell.getErrorCellValue();
}
}
} catch (Exception e) {
return val;
}
return val;
}
/**
* 判断是否是空行
*
* @param row 判断的行
* @return
*/
private boolean isRowEmpty(Row row) {
if (row == null) {
return true;
}
for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) {
Cell cell = row.getCell(i);
if (cell != null && cell.getCellType() != CellType.BLANK) {
return false;
}
}
return true;
}
/**
* 格式化不同类型的日期对象
*
* @param dateFormat 日期格式
* @param val 被格式化的日期对象
* @return 格式化后的日期字符
*/
public String parseDateToStr(String dateFormat, Object val) {
if (val == null) {
return "";
}
String str;
if (val instanceof Date) {
str = DateUtils.parseDateToStr(dateFormat, (Date) val);
} else if (val instanceof LocalDateTime) {
str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
} else if (val instanceof LocalDate) {
str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
} else {
str = val.toString();
}
return str;
}
}
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