-
![[ 云企互联 ]](../static/ruoyi.png)
+
![[ 云企互联 ]](../static/juncong.png)
欢迎使用 云企互联 后台管理系统
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/ExcelUtil.java
index 7bda6eae3..451c9f72a 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/ExcelUtil.java
@@ -13,6 +13,7 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
+
import org.apache.poi.hssf.usermodel.DVConstraint;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
@@ -40,108 +41,94 @@ import com.ruoyi.common.config.Global;
/**
* Excel相关处理
- *
+ *
* @author ruoyi
*/
-public class ExcelUtil
-{
+public class ExcelUtil {
private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
public Class clazz;
- public ExcelUtil(Class clazz)
- {
+ public ExcelUtil(Class clazz) {
this.clazz = clazz;
}
/**
* 对excel表单默认第一个索引名转换成list
- *
+ *
* @param input 输入流
* @return 转换后集合
*/
- public List importExcel(InputStream input) throws Exception
- {
+ public List importExcel(InputStream input) throws Exception {
return importExcel(StringUtils.EMPTY, input);
}
/**
* 对excel表单指定表格索引名转换成list
- *
+ *
* @param sheetName 表格索引名
- * @param input 输入流
+ * @param input 输入流
* @return 转换后集合
*/
- public List importExcel(String sheetName, InputStream input) throws Exception
- {
+ public List importExcel(String sheetName, InputStream input) throws Exception {
List list = new ArrayList();
Workbook workbook = WorkbookFactory.create(input);
Sheet sheet = null;
- if (StringUtils.isNotEmpty(sheetName))
- {
+ if (StringUtils.isNotEmpty(sheetName)) {
// 如果指定sheet名,则取指定sheet中的内容.
sheet = workbook.getSheet(sheetName);
- }
- else
- {
+ } else {
// 如果传入的sheet名不存在则默认指向第1个sheet.
sheet = workbook.getSheetAt(0);
}
- if (sheet == null)
- {
+ if (sheet == null) {
throw new IOException("文件sheet不存在");
}
int rows = sheet.getPhysicalNumberOfRows();
- if (rows > 0)
- {
+ if (rows > 0) {
// 默认序号
int serialNum = 0;
// 有数据时才处理 得到类的所有field.
Field[] allFields = clazz.getDeclaredFields();
// 定义一个map用于存放列的序号和field.
Map fieldsMap = new HashMap();
- for (int col = 0; col < allFields.length; col++)
- {
+ for (int col = 0; col < allFields.length; col++) {
Field field = allFields[col];
// 将有注解的field存放到map中.
- if (field.isAnnotationPresent(Excel.class))
- {
+ if (field.isAnnotationPresent(Excel.class)) {
// 设置类的私有字段属性可访问.
field.setAccessible(true);
Excel annotation = field.getAnnotation(Excel.class);
fieldsMap.put(annotation.order(), field);
- if(annotation.order()>serialNum){
- serialNum=annotation.order();
+ if (annotation.order() > serialNum) {
+ serialNum = annotation.order();
}
}
}
- for (int i = 2; i < rows; i++)
- {
+ for (int i = 2; 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);
+ if (row == null) {
+ continue;
+ }
int cellNum = serialNum;
T entity = null;
- for (int j = 0; j < serialNum; j++)
- {
+ for (int j = 0; j < serialNum; j++) {
Cell cell = row.getCell(j);
- if (cell == null)
- {
+ if (cell == null) {
continue;
- }
- else
- {
+ } else {
// 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
row.getCell(j).setCellType(CellType.STRING);
cell = row.getCell(j);
}
String c = cell.getStringCellValue();
- if (StringUtils.isEmpty(c))
- {
+ if (StringUtils.isEmpty(c)) {
continue;
}
@@ -149,62 +136,40 @@ public class ExcelUtil
entity = (entity == null ? clazz.newInstance() : entity);
// 从map中得到对应列的field.
Field field = fieldsMap.get(j + 1);
- if(field==null){
+ if (field == null) {
continue;
}
// 取得类型,并根据对象类型设置值.
Class> fieldType = field.getType();
- if (String.class == fieldType)
- {
+ if (String.class == fieldType) {
field.set(entity, String.valueOf(c));
- }
- else if ((Integer.TYPE == fieldType) || (Integer.class == fieldType))
- {
+ } else if ((Integer.TYPE == fieldType) || (Integer.class == fieldType)) {
field.set(entity, Integer.parseInt(c));
- }
- else if ((Long.TYPE == fieldType) || (Long.class == fieldType))
- {
+ } else if ((Long.TYPE == fieldType) || (Long.class == fieldType)) {
field.set(entity, Long.valueOf(c));
- }
- else if ((Float.TYPE == fieldType) || (Float.class == fieldType))
- {
+ } else if ((Float.TYPE == fieldType) || (Float.class == fieldType)) {
field.set(entity, Float.valueOf(c));
- }
- else if ((Short.TYPE == fieldType) || (Short.class == fieldType))
- {
+ } else if ((Short.TYPE == fieldType) || (Short.class == fieldType)) {
field.set(entity, Short.valueOf(c));
- }
- else if ((Double.TYPE == fieldType) || (Double.class == fieldType))
- {
+ } else if ((Double.TYPE == fieldType) || (Double.class == fieldType)) {
field.set(entity, Double.valueOf(c));
- }
- else if (Character.TYPE == fieldType)
- {
- if ((c != null) && (c.length() > 0))
- {
+ } else if (Character.TYPE == fieldType) {
+ if ((c != null) && (c.length() > 0)) {
field.set(entity, Character.valueOf(c.charAt(0)));
}
- }
- else if (java.util.Date.class == fieldType)
- {
- if (cell.getCellTypeEnum() == CellType.NUMERIC)
- {
+ } else if (java.util.Date.class == fieldType) {
+ if (cell.getCellTypeEnum() == CellType.NUMERIC) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
cell.setCellValue(sdf.format(cell.getNumericCellValue()));
c = sdf.format(cell.getNumericCellValue());
- }
- else
- {
+ } else {
c = cell.getStringCellValue();
}
- }
- else if (java.math.BigDecimal.class == fieldType)
- {
+ } else if (java.math.BigDecimal.class == fieldType) {
c = cell.getStringCellValue();
}
}
- if (entity != null)
- {
+ if (entity != null) {
list.add(entity);
}
}
@@ -215,25 +180,21 @@ public class ExcelUtil
/**
* 对list数据源将其里面的数据导入到excel表单
- *
- * @param list 导出数据集合
+ *
+ * @param list 导出数据集合
* @param sheetName 工作表的名称
* @return 结果
*/
- public AjaxResult exportExcel(List list, String sheetName)
- {
+ public AjaxResult exportExcel(List list, String sheetName) {
OutputStream out = null;
HSSFWorkbook workbook = null;
- try
- {
+ try {
// 得到所有定义字段
Field[] allFields = clazz.getDeclaredFields();
List fields = new ArrayList();
// 得到所有field并存放到一个list中.
- for (Field field : allFields)
- {
- if (field.isAnnotationPresent(Excel.class))
- {
+ for (Field field : allFields) {
+ if (field.isAnnotationPresent(Excel.class)) {
fields.add(field);
}
}
@@ -244,16 +205,12 @@ public class ExcelUtil
int sheetSize = 65536;
// 取出一共有多少个sheet.
double sheetNo = Math.ceil(list.size() / sheetSize);
- for (int index = 0; index <= sheetNo; index++)
- {
+ for (int index = 0; index <= sheetNo; index++) {
// 产生工作表对象
HSSFSheet sheet = workbook.createSheet();
- if (sheetNo == 0)
- {
+ if (sheetNo == 0) {
workbook.setSheetName(index, sheetName);
- }
- else
- {
+ } else {
// 设置工作表的名称.
workbook.setSheetName(index, sheetName + index);
}
@@ -263,8 +220,7 @@ public class ExcelUtil
// 产生一行
row = sheet.createRow(0);
// 写入各个字段的列头名称
- for (int i = 0; i < fields.size(); i++)
- {
+ for (int i = 0; i < fields.size(); i++) {
Field field = fields.get(i);
Excel attr = field.getAnnotation(Excel.class);
// 创建列
@@ -274,16 +230,13 @@ public class ExcelUtil
HSSFCellStyle cellStyle = workbook.createCellStyle();
cellStyle.setAlignment(HorizontalAlignment.CENTER);
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
- if (attr.name().indexOf("注:") >= 0)
- {
+ if (attr.name().indexOf("注:") >= 0) {
HSSFFont font = workbook.createFont();
font.setColor(HSSFFont.COLOR_RED);
cellStyle.setFont(font);
cellStyle.setFillForegroundColor(HSSFColorPredefined.YELLOW.getIndex());
sheet.setColumnWidth(i, 6000);
- }
- else
- {
+ } else {
HSSFFont font = workbook.createFont();
// 粗体显示
font.setBold(true);
@@ -302,14 +255,12 @@ public class ExcelUtil
cell.setCellValue(attr.name());
// 如果设置了提示信息则鼠标放上去提示.
- if (StringUtils.isNotEmpty(attr.prompt()))
- {
+ if (StringUtils.isNotEmpty(attr.prompt())) {
// 这里默认设了2-101列提示.
setHSSFPrompt(sheet, "", attr.prompt(), 1, 100, i, i);
}
// 如果设置了combo属性则本列只能选择不能输入
- if (attr.combo().length > 0)
- {
+ if (attr.combo().length > 0) {
// 这里默认设了2-101列只能选择不能输入.
setHSSFValidation(sheet, attr.combo(), 1, 100, i, i);
}
@@ -321,30 +272,25 @@ public class ExcelUtil
HSSFCellStyle cs = workbook.createCellStyle();
cs.setAlignment(HorizontalAlignment.CENTER);
cs.setVerticalAlignment(VerticalAlignment.CENTER);
- for (int i = startNo; i < endNo; i++)
- {
+ 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++)
- {
+ 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
- {
+ 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())
- {
+ if (attr.isExport()) {
// 创建cell
cell = row.createCell(j);
cell.setCellStyle(cs);
- if (vo == null)
- {
+ if (vo == null) {
// 如果数据存在就填入,不存在填入空格.
cell.setCellValue("");
continue;
@@ -352,24 +298,17 @@ public class ExcelUtil
String dateFormat = attr.dateFormat();
String readConverterExp = attr.readConverterExp();
- if (StringUtils.isNotEmpty(dateFormat))
- {
+ if (StringUtils.isNotEmpty(dateFormat)) {
cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) field.get(vo)));
- }
- else if (StringUtils.isNotEmpty(readConverterExp))
- {
+ } else if (StringUtils.isNotEmpty(readConverterExp)) {
cell.setCellValue(convertByExp(String.valueOf(field.get(vo)), readConverterExp));
- }
- else
- {
+ } 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(field.get(vo)) ? attr.defaultValue() : field.get(vo) + attr.suffix());
}
}
- }
- catch (Exception e)
- {
+ } catch (Exception e) {
log.error("导出Excel失败{}", e.getMessage());
}
}
@@ -379,33 +318,21 @@ public class ExcelUtil
out = new FileOutputStream(getAbsoluteFile(filename));
workbook.write(out);
return AjaxResult.success(filename);
- }
- catch (Exception e)
- {
+ } catch (Exception e) {
log.error("导出Excel异常{}", e.getMessage());
return AjaxResult.error("导出Excel失败,请联系网站管理员!");
- }
- finally
- {
- if (workbook != null)
- {
- try
- {
+ } finally {
+ if (workbook != null) {
+ try {
workbook.close();
- }
- catch (IOException e1)
- {
+ } catch (IOException e1) {
e1.printStackTrace();
}
}
- if (out != null)
- {
- try
- {
+ if (out != null) {
+ try {
out.close();
- }
- catch (IOException e1)
- {
+ } catch (IOException e1) {
e1.printStackTrace();
}
}
@@ -414,19 +341,18 @@ public class ExcelUtil
/**
* 设置单元格上提示
- *
- * @param sheet 要设置的sheet.
- * @param promptTitle 标题
+ *
+ * @param sheet 要设置的sheet.
+ * @param promptTitle 标题
* @param promptContent 内容
- * @param firstRow 开始行
- * @param endRow 结束行
- * @param firstCol 开始列
- * @param endCol 结束列
+ * @param firstRow 开始行
+ * @param endRow 结束行
+ * @param firstCol 开始列
+ * @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)
- {
+ int endRow, int firstCol, int endCol) {
// 构造constraint对象
DVConstraint constraint = DVConstraint.createCustomFormulaConstraint("DD1");
// 四个参数分别是:起始行、终止行、起始列、终止列
@@ -440,18 +366,17 @@ public class ExcelUtil
/**
* 设置某些列的值只能输入预制的数据,显示下拉框.
- *
- * @param sheet 要设置的sheet.
+ *
+ * @param sheet 要设置的sheet.
* @param textlist 下拉框显示的内容
* @param firstRow 开始行
- * @param endRow 结束行
+ * @param endRow 结束行
* @param firstCol 开始列
- * @param endCol 结束列
+ * @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)
- {
+ int firstCol, int endCol) {
// 加载下拉列表内容
DVConstraint constraint = DVConstraint.createExplicitListConstraint(textlist);
// 设置数据有效性加载在哪个单元格上,四个参数分别是:起始行、终止行、起始列、终止列
@@ -461,31 +386,25 @@ public class ExcelUtil
sheet.addValidationData(dataValidationList);
return sheet;
}
-
+
/**
* 解析导出值 0=男,1=女,2=未知
- *
+ *
* @param propertyValue 参数值
- * @param converterExp 翻译注解
+ * @param converterExp 翻译注解
* @return 解析后值
* @throws Exception
*/
- public static String convertByExp(String propertyValue, String converterExp) throws Exception
- {
- try
- {
+ public static String convertByExp(String propertyValue, String converterExp) throws Exception {
+ try {
String[] convertSource = converterExp.split(",");
- for (String item : convertSource)
- {
+ for (String item : convertSource) {
String[] itemArray = item.split("=");
- if (itemArray[0].equals(propertyValue))
- {
+ if (itemArray[0].equals(propertyValue)) {
return itemArray[1];
}
}
- }
- catch (Exception e)
- {
+ } catch (Exception e) {
throw e;
}
return propertyValue;
@@ -494,23 +413,20 @@ public class ExcelUtil
/**
* 编码文件名
*/
- public String encodingFilename(String filename)
- {
+ public String encodingFilename(String filename) {
filename = UUID.randomUUID().toString() + "_" + filename + ".xls";
return filename;
}
/**
* 获取下载路径
- *
+ *
* @param filename 文件名称
*/
- public String getAbsoluteFile(String filename)
- {
+ public String getAbsoluteFile(String filename) {
String downloadPath = Global.getDownloadPath() + filename;
File desc = new File(downloadPath);
- if (!desc.getParentFile().exists())
- {
+ if (!desc.getParentFile().exists()) {
desc.getParentFile().mkdirs();
}
return downloadPath;