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@ -20,10 +20,7 @@ import org.apache.commons.lang3.StringUtils;
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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.ss.usermodel.CellType;
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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.Workbook;
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import org.apache.poi.ss.usermodel.*;
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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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@ -80,7 +77,6 @@ public class ExcelUtil {
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this.rabbitTemplate = rabbitTemplate;
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}
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/**
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* 导出
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*
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@ -130,13 +126,13 @@ public class ExcelUtil {
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HSSFRow hssfRow;
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Method method;
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AnnoOutputColumn outputColumn;
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Object CellValue;
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Object cellValue;
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for (int i = 0; i < data.size(); i++) {
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hssfRow = sheet.createRow(i + 1);
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for (int j = 0; j < fields.length; j++) {
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fields[j].setAccessible(true);
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CellValue = fields[j].get(data.get(i));
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cellValue = fields[j].get(data.get(i));
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// 判断是否存在引用关系
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if (fields[j].isAnnotationPresent(AnnoOutputColumn.class)) {
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@ -148,19 +144,19 @@ public class ExcelUtil {
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outputColumn.refForeignKey() + "Of" + StringTool.toUpperCaseFirstOne(outputColumn.value()),
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outputColumn.refClass().getDeclaredMethod("get"
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+ StringTool.toUpperCaseFirstOne(outputColumn.refForeignKey())).getReturnType());
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CellValue = method.invoke(data.get(i), CellValue);
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}else if(outputColumn.refClass().equals(SysDictionary.class) && CellValue != null){
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CellValue = sysDictionaryService.getSysDictionaryByParentCodeAndValue(outputColumn.refForeignKey(), String.valueOf(CellValue)).getName();
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cellValue = method.invoke(data.get(i), cellValue);
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}else if(outputColumn.refClass().equals(SysDictionary.class) && cellValue != null){
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cellValue = sysDictionaryService.getSysDictionaryByParentCodeAndValue(outputColumn.refForeignKey(), String.valueOf(cellValue)).getName();
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} else if(!outputColumn.refClass().equals(Object.class) && !outputColumn.refClass().equals(SysDictionary.class)){
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CellValue = selectByProperty(outputColumn.refClass(), outputColumn.value(), outputColumn.refForeignKey(), CellValue);
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cellValue = selectByProperty(outputColumn.refClass(), outputColumn.value(), outputColumn.refForeignKey(), cellValue);
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}
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}
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// excel 文本框最大长度
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if(String.valueOf(CellValue).length() > 30000){
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hssfRow.createCell(j, CellType.STRING).setCellValue(String.valueOf(CellValue).substring(0,30000));
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if(String.valueOf(cellValue).length() > 30000){
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hssfRow.createCell(j, CellType.STRING).setCellValue(String.valueOf(cellValue).substring(0,30000));
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}else{
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hssfRow.createCell(j, CellType.STRING).setCellValue(String.valueOf(CellValue));
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hssfRow.createCell(j, CellType.STRING).setCellValue(String.valueOf(cellValue));
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}
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}
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@ -228,11 +224,12 @@ public class ExcelUtil {
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// excel列名与字段名映射
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Map<String, Field> colName = new HashMap<>();
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ApiParam fieldAnno;
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for (Field field : importClass.getDeclaredFields()) {
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if (field.isAnnotationPresent(ApiParam.class)) {
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fieldAnno = field.getAnnotation(ApiParam.class);
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colName.put(fieldAnno.value(), field);
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for (Field field : ReflexTool.getAllField(importClass.getName())) {
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if (field.isAnnotationPresent(AnnoOutputColumn.class)
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&& !StringUtils.isBlank(field.getAnnotation(AnnoOutputColumn.class).name())) {
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colName.put(field.getAnnotation(AnnoOutputColumn.class).name(), field);
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} else if (field.isAnnotationPresent(ApiParam.class)) {
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colName.put(field.getAnnotation(ApiParam.class).value(), field);
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}
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}
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@ -247,61 +244,42 @@ public class ExcelUtil {
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Row row;
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Object obj;
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Object cellValue = null;
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AnnoOutputColumn inputColumn;
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Method method;
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for (int i = 1; i <= sheet.getLastRowNum(); i++) {
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row = sheet.getRow(i);
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obj = importClass.newInstance();
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for (int j = 0; j < fields.length; j++) {
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row.getCell(j).setCellType(CellType.STRING);
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if ("".equals(row.getCell(j).getStringCellValue())) {
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cellValue = null;
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} else if (fields[j].getType() == String.class) {
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// 判断是否存在引用关系
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if (fields[j].isAnnotationPresent(AnnoOutputColumn.class)) {
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inputColumn = fields[j].getAnnotation(AnnoOutputColumn.class);
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cellValue = row.getCell(j).getStringCellValue();
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} else if (fields[j].getType() == Integer.class) {
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cellValue = Integer.parseInt(row.getCell(j).getStringCellValue());
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} else if (fields[j].getType() == Long.class) {
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cellValue = Long.parseLong(row.getCell(j).getStringCellValue());
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// 判断是否为枚举字段
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if (inputColumn.refClass().isEnum()) {
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method = inputColumn.refClass().getDeclaredMethod(
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inputColumn.value() + "Of" + StringTool.toUpperCaseFirstOne(inputColumn.refForeignKey()),
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inputColumn.refClass().getDeclaredMethod("get"
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+ StringTool.toUpperCaseFirstOne(inputColumn.value())).getReturnType());
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cellValue = method.invoke(null,cellValue);
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}else if(inputColumn.refClass().equals(SysDictionary.class) && cellValue != null){
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cellValue = sysDictionaryService.getSysDictionaryByParentCodeAndName(inputColumn.refForeignKey(), String.valueOf(cellValue)).getName();
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} else if(!inputColumn.refClass().equals(Object.class) && !inputColumn.refClass().equals(SysDictionary.class)){
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cellValue = selectByProperty(inputColumn.refClass(), inputColumn.refForeignKey(), inputColumn.value(), cellValue);
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}
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}else{
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cellValue = getExcelCell(row.getCell(j),fields[j].getType());
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}
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importClass.getDeclaredMethod("set" + StringTool.toUpperCaseFirstOne(fields[j].getName()), fields[j].getType())
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.invoke(obj, cellValue);
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fields[j].setAccessible(true);
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fields[j].set(obj,cellValue);
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}
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dataList.add(obj);
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}
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} catch (IOException e) {
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throw ImppExceptionBuilder.newInstance()
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.setSystemID(CommonEnumUtil.SOFT_TYPE.CORE.getCode())
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.setErrorCode(ImppExceptionEnum.IO_EXCEPTION.getCode())
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.setErrorDetail("IO输入输出异常")
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.build();
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} catch (IllegalAccessException e) {
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throw ImppExceptionBuilder.newInstance()
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.setSystemID(CommonEnumUtil.SOFT_TYPE.CORE.getCode())
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.setErrorCode(ImppExceptionEnum.REFLEX_EXCEPTION.getCode())
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.setErrorDetail("无法访问导入类")
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.setErrorSolution("请检查导入类访问修饰符")
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.build();
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} catch (InstantiationException e) {
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throw ImppExceptionBuilder.newInstance()
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.setSystemID(CommonEnumUtil.SOFT_TYPE.CORE.getCode())
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.setErrorCode(ImppExceptionEnum.REFLEX_EXCEPTION.getCode())
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.setErrorDetail("无法实例化导入类")
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.setErrorSolution("请检查导入类是拥有无参构造方法")
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.build();
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} catch (InvocationTargetException e) {
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throw ImppExceptionBuilder.newInstance()
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.setSystemID(CommonEnumUtil.SOFT_TYPE.CORE.getCode())
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.setErrorCode(ImppExceptionEnum.REFLEX_EXCEPTION.getCode())
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.setErrorDetail("属性set方法实现错误")
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.setErrorSolution("请检查属性set方法参数类型是否正确")
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.build();
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} catch (NoSuchMethodException e) {
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throw ImppExceptionBuilder.newInstance()
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.setSystemID(CommonEnumUtil.SOFT_TYPE.CORE.getCode())
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.setErrorCode(ImppExceptionEnum.REFLEX_EXCEPTION.getCode())
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.setErrorDetail("没有找到属性set方法")
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.setErrorSolution("请检查属性set方法是否存在")
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.build();
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} catch (Exception e){
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e.printStackTrace();
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}
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return dataList;
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}
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@ -328,20 +306,28 @@ public class ExcelUtil {
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// 创建表头
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HSSFRow tableHeader = sheet.createRow(0);
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HSSFRow tableData = sheet.createRow(1);
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// 类数据
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Field[] declaredFields = exportClass.getDeclaredFields();
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ApiParam fieldAnno;
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Field[] fields = ReflexTool.getAllField(exportClass.getName());
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int col = 0;
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for (int i = 0; i < declaredFields.length; i++) {
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if (declaredFields[i].isAnnotationPresent(ApiParam.class)) {
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fieldAnno = declaredFields[i].getAnnotation(ApiParam.class);
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if (!fieldAnno.hidden()) {
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tableHeader.createCell(col, CellType.STRING).setCellValue(fieldAnno.value());
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for (int i = 0; i < fields.length; i++) {
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if (fields[i].isAnnotationPresent(AnnoOutputColumn.class)) {
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// 是否隐藏列
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if(!fields[i].getAnnotation(AnnoOutputColumn.class).hidden()){
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if (fields[i].isAnnotationPresent(AnnoOutputColumn.class)) {
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tableHeader.createCell(col, CellType.STRING).setCellValue(fields[i].getAnnotation(AnnoOutputColumn.class).name());
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}
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tableData.createCell(col, CellType.STRING).setCellValue(fieldAnno.example());
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// 优先使用 AnnoOutputColumn.name()
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if (fields[i].isAnnotationPresent(ApiParam.class) && StringUtils.isBlank(fields[i].getAnnotation(AnnoOutputColumn.class).name())) {
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tableHeader.createCell(col, CellType.STRING).setCellValue(fields[i].getAnnotation(ApiParam.class).value());
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}
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col++;
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}
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} else {
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if (fields[i].isAnnotationPresent(ApiParam.class)) {
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tableHeader.createCell(col, CellType.STRING).setCellValue(fields[i].getAnnotation(ApiParam.class).value());
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col++;
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}
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}
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@ -368,7 +354,6 @@ public class ExcelUtil {
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/**
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* 获取实体列集合
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*
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* @param pojoClass
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* @return
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*/
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@ -381,7 +366,6 @@ public class ExcelUtil {
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colName.put(fields[i].getName(),fields[i].getAnnotation(ApiParam.class).value());
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}
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if (fields[i].isAnnotationPresent(AnnoOutputColumn.class)) {
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// 判断是否隐藏
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if(fields[i].getAnnotation(AnnoOutputColumn.class).hidden()){
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@ -397,6 +381,7 @@ public class ExcelUtil {
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}
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/**
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* 查询外键信息
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* @param persistentClass
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* @param colName
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* @param propertyName
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@ -409,7 +394,36 @@ public class ExcelUtil {
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return entityManager.createQuery(queryString).setParameter(propertyName, value).getSingleResult();
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}
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/**
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* 获取excel单元格值
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* @param cell
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* @param cellClass
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* @return
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*/
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private static Object getExcelCell(Cell cell, Class cellClass) {
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if (cell != null) {
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cell.setCellType(CellType.STRING);
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if ("".equals(cell.getStringCellValue()) || "null".equals(cell.getStringCellValue())) {
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return null;
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} else if (cellClass == String.class) {
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return cell.getStringCellValue();
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} else if (cellClass == Integer.class) {
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return Integer.parseInt(cell.getStringCellValue());
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} else if (cellClass == Long.class) {
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return Long.parseLong(cell.getStringCellValue());
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} else if (cellClass == Double.class) {
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return Long.parseLong(cell.getStringCellValue());
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}
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}
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return null;
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}
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/**
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* 发送包含文件列表的站内信
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* @param fileList
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* @param userId
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*/
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public static void sendStationLetter(List<SysFile> fileList, Long userId){
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StringBuffer letter = new StringBuffer();
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letter.append("导出文件列表：");
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@ -433,42 +447,4 @@ public class ExcelUtil {
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rabbitTemplate.convertAndSend(PlatformConstWords.IMPP_MESSAGE_LETTER_QUEUE,sysMessage);
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}
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public static void main(String[] args) {
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// List<SysTool> sysTools = new ArrayList<>();
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// SysTool sysTool = new SysTool();
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// for (int i = 0; i < 14; i++) {
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// sysTool.setName("ddd");
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// sysTools.add(sysTool);
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// }
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// String[] colName = new String[]{"name", "toolTypeNameRdd", "toolStatus", "toolIp", "toolPort", "toolConnType", "toolDataType", "toolOperating", "toolDescription"};
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// try {
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// FileOutputStream ds = new FileOutputStream("E://testOut.xls");
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// ds.write(ExcelUtil.exportData(sysTools, SysTool.class, colName));
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// ds.flush();
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// ds.close();
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//// ExcelUtil.importData("testOut.xls", new FileInputStream("E://testOut.xls"), SysTool.class);
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//// ExcelUtil.importTemplate(new FileOutputStream("E://testOut.xls"), SysTool.class, colName);
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//
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// } catch (IOException e) {
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// e.printStackTrace();
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// }
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SysTool st = new SysTool();
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st.setName("测试");
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st.setId(1L);
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try {
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System.out.println(SysTool.class.getField("id").isAccessible());
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System.out.println("取值："+ SysTool.class.getField("id").get(st));
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System.out.println(SysTool.class.getDeclaredField("name").isAccessible());
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Field field = SysTool.class.getDeclaredField("name");
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field.setAccessible(true);
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System.out.println("取值："+ field.get(st));
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} catch (NoSuchFieldException e) {
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e.printStackTrace();
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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}
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}
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}
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yunhao.wang
6 years ago