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Merge branch 'master-jdk21' of https://gitee.com/zhijiantianya/ruoyi-vue-pro

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# Conflicts:
#	yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java
#	yudao-module-bpm/yudao-module-bpm-api/src/main/java/cn/iocoder/yudao/module/bpm/event/BpmProcessInstanceResultEvent.java
#	yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/bpm/listener/BpmServiceResultListener.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/backlog/CrmBacklogController.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/business/CrmBusinessStatusTypeController.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/business/vo/business/CrmBusinessRespVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/business/vo/status/CrmBusinessStatusSaveReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/business/vo/type/CrmBusinessStatusTypeSaveReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/clue/vo/CrmClueSaveReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/clue/vo/CrmClueTranslateReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/contract/vo/contract/CrmContractSaveReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/CrmCustomerController.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/vo/customer/CrmCustomerSaveReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/permission/CrmPermissionController.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/product/vo/product/CrmProductSaveReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/receivable/CrmReceivablePlanController.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/receivable/vo/plan/CrmReceivablePlanUpdateReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/receivable/vo/receivable/CrmReceivableUpdateReqVO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessServiceImpl.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessStatusService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessStatusServiceImpl.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessStatusTypeService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessStatusTypeServiceImpl.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/business/bo/CrmBusinessUpdateProductReqBO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/clue/CrmClueService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/clue/CrmClueServiceImpl.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contact/CrmContactService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contact/CrmContactServiceImpl.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contract/CrmContractService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contract/CrmContractServiceImpl.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/contract/listener/CrmContractResultListener.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/followup/bo/CrmUpdateFollowUpReqBO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/message/CrmBacklogService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/message/CrmBacklogServiceImpl.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/permission/bo/CrmPermissionTransferReqBO.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/product/CrmProductCategoryService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/receivable/CrmReceivableService.java
#	yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/receivable/CrmReceivableServiceImpl.java
#	yudao-module-crm/yudao-module-crm-biz/src/test/java/cn/iocoder/yudao/module/crm/service/business/BusinessStatusTypeServiceImplTest.java
#	yudao-module-crm/yudao-module-crm-biz/src/test/java/cn/iocoder/yudao/module/crm/service/business/CrmBusinessServiceImplTest.java
#	yudao-module-crm/yudao-module-crm-biz/src/test/java/cn/iocoder/yudao/module/crm/service/clue/CrmClueServiceImplTest.java
#	yudao-module-crm/yudao-module-crm-biz/src/test/java/cn/iocoder/yudao/module/crm/service/contract/ContractServiceImplTest.java
#	yudao-module-crm/yudao-module-crm-biz/src/test/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerServiceImplTest.java
#	yudao-module-crm/yudao-module-crm-biz/src/test/java/cn/iocoder/yudao/module/crm/service/customerlimitconfig/CrmCustomerLimitConfigServiceImplTest.java
#	yudao-module-crm/yudao-module-crm-biz/src/test/java/cn/iocoder/yudao/module/crm/service/receivable/CrmCrmReceivablePlanServiceImplTest.java
#	yudao-module-crm/yudao-module-crm-biz/src/test/java/cn/iocoder/yudao/module/crm/service/receivable/CrmCrmReceivableServiceImplTest.java
#	yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/api/dict/DictDataApiImpl.java
#	yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataServiceImpl.java
This commit is contained in:
YunaiV
2024-02-26 12:57:56 +08:00
parent 123a009394 a390fb4519
commit 656c3a77ec
260 changed files with 5641 additions and 5841 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/collection/CollectionUtils.java
View File

@@ -257,11 +257,11 @@ public class CollectionUtils {
return !CollectionUtil.isEmpty(from) ? from.get(0) : null;
}
public static <T> T findFirst(List<T> from, Predicate<T> predicate) {
public static <T> T findFirst(Collection<T> from, Predicate<T> predicate) {
return findFirst(from, predicate, Function.identity());
}
public static <T, U> U findFirst(List<T> from, Predicate<T> predicate, Function<T, U> func) {
public static <T, U> U findFirst(Collection<T> from, Predicate<T> predicate, Function<T, U> func) {
if (CollUtil.isEmpty(from)) {
return null;
}

36
yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/date/LocalDateTimeUtils.java
View File

@@ -132,4 +132,40 @@ public class LocalDateTimeUtils {
return LocalDateTimeUtil.between(dateTime, LocalDateTime.now(), ChronoUnit.DAYS);
}
/**
* 获取今天的开始时间
*
* @return 今天
*/
public static LocalDateTime getToday() {
return LocalDateTimeUtil.beginOfDay(LocalDateTime.now());
}
/**
* 获取昨天的开始时间
*
* @return 昨天
*/
public static LocalDateTime getYesterday() {
return LocalDateTimeUtil.beginOfDay(LocalDateTime.now().minusDays(1));
}
/**
* 获取本月的开始时间
*
* @return 本月
*/
public static LocalDateTime getMonth() {
return beginOfMonth(LocalDateTime.now());
}
/**
* 获取本年的开始时间
*
* @return 本年
*/
public static LocalDateTime getYear() {
return LocalDateTime.now().with(TemporalAdjusters.firstDayOfYear()).with(LocalTime.MIN);
}
}

66
yudao-framework/yudao-spring-boot-starter-biz-ip/src/main/java/cn/iocoder/yudao/framework/ip/core/utils/AreaUtils.java
View File

@@ -17,6 +17,7 @@ import java.util.Map;
import java.util.function.Function;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.findFirst;
/**
* 区域工具类
@@ -70,10 +71,61 @@ public class AreaUtils {
* @param id 区域编号
* @return 区域
*/
public static Area getArea(Integer id) {
public static Area parseArea(Integer id) {
return areas.get(id);
}
/**
* 获得指定区域对应的编号
*
* @param pathStr 区域路径，例如说：河南省/石家庄市/新华区
* @return 区域
*/
public static Area parseArea(String pathStr) {
String[] paths = pathStr.split("/");
Area area = null;
for (String path : paths) {
if (area == null) {
area = findFirst(areas.values(), item -> item.getName().equals(path));
} else {
area = findFirst(area.getChildren(), item -> item.getName().equals(path));
}
}
return area;
}
/**
* 获取所有节点的全路径名称如：河南省/石家庄市/新华区
*
* @param areas 地区树
* @return 所有节点的全路径名称
*/
public static List<String> getAreaNodePathList(List<Area> areas) {
List<String> paths = new ArrayList<>();
areas.forEach(area -> getAreaNodePathList(area, "", paths));
return paths;
}
/**
* 构建一棵树的所有节点的全路径名称，并将其存储为 "祖先/父级/子级" 的形式
*
* @param node 父节点
* @param path 全路径名称
* @param paths 全路径名称列表，省份/城市/地区
*/
private static void getAreaNodePathList(Area node, String path, List<String> paths) {
if (node == null) {
return;
}
// 构建当前节点的路径
String currentPath = path.isEmpty() ? node.getName() : path + "/" + node.getName();
paths.add(currentPath);
// 递归遍历子节点
for (Area child : node.getChildren()) {
getAreaNodePathList(child, currentPath, paths);
}
}
/**
* 格式化区域
*
@@ -88,13 +140,13 @@ public class AreaUtils {
* 格式化区域
*
* 例如说：
* 1. id = “静安区”时：上海 上海市 静安区
* 2. id = “上海市”时：上海 上海市
* 3. id = “上海”时：上海
* 4. id = “美国”时：美国
* 1. id = “静安区”时：上海 上海市 静安区
* 2. id = “上海市”时：上海 上海市
* 3. id = “上海”时：上海
* 4. id = “美国”时：美国
* 当区域在中国时，默认不显示中国
*
* @param id 区域编号
* @param id 区域编号
* @param separator 分隔符
* @return 格式化后的区域
*/
@@ -141,7 +193,7 @@ public class AreaUtils {
*/
public static Integer getParentIdByType(Integer id, @NonNull AreaTypeEnum type) {
for (int i = 0; i < Byte.MAX_VALUE; i++) {
Area area = AreaUtils.getArea(id);
Area area = AreaUtils.parseArea(id);
if (area == null) {
return null;
}

4
yudao-framework/yudao-spring-boot-starter-biz-ip/src/main/java/cn/iocoder/yudao/framework/ip/core/utils/IPUtils.java
View File

@@ -72,7 +72,7 @@ public class IPUtils {
* @return 地区
*/
public static Area getArea(String ip) {
return AreaUtils.getArea(getAreaId(ip));
return AreaUtils.parseArea(getAreaId(ip));
}
/**
@@ -82,6 +82,6 @@ public class IPUtils {
* @return 地区
*/
public static Area getArea(long ip) {
return AreaUtils.getArea(getAreaId(ip));
return AreaUtils.parseArea(getAreaId(ip));
}
}

2
yudao-framework/yudao-spring-boot-starter-biz-ip/src/test/java/cn/iocoder/yudao/framework/ip/core/utils/AreaUtilsTest.java
View File

@@ -17,7 +17,7 @@ public class AreaUtilsTest {
@Test
public void testGetArea() {
// 调用：北京
Area area = AreaUtils.getArea(110100);
Area area = AreaUtils.parseArea(110100);
// 断言
assertEquals(area.getId(), 110100);
assertEquals(area.getName(), "北京市");

5
yudao-framework/yudao-spring-boot-starter-excel/pom.xml
View File

@@ -46,6 +46,11 @@
<groupId>com.alibaba</groupId>
<artifactId>easyexcel</artifactId>
</dependency>
<dependency>
<groupId>cn.iocoder.boot</groupId>
<artifactId>yudao-spring-boot-starter-biz-ip</artifactId>
<optional>true</optional> <!-- 设置为 optional，只有在 AreaConvert 的时候使用 -->
</dependency>
</dependencies>
</project>

46
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/convert/AreaConvert.java Normal file
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@@ -0,0 +1,46 @@
package cn.iocoder.yudao.framework.excel.core.convert;
import cn.hutool.core.convert.Convert;
import cn.iocoder.yudao.framework.ip.core.Area;
import cn.iocoder.yudao.framework.ip.core.utils.AreaUtils;
import com.alibaba.excel.converters.Converter;
import com.alibaba.excel.enums.CellDataTypeEnum;
import com.alibaba.excel.metadata.GlobalConfiguration;
import com.alibaba.excel.metadata.data.ReadCellData;
import com.alibaba.excel.metadata.property.ExcelContentProperty;
import lombok.extern.slf4j.Slf4j;
/**
* Excel 数据地区转换器
*
* @author HUIHUI
*/
@Slf4j
public class AreaConvert implements Converter<Object> {
@Override
public Class<?> supportJavaTypeKey() {
throw new UnsupportedOperationException("暂不支持，也不需要");
}
@Override
public CellDataTypeEnum supportExcelTypeKey() {
throw new UnsupportedOperationException("暂不支持，也不需要");
}
@Override
public Object convertToJavaData(ReadCellData readCellData, ExcelContentProperty contentProperty,
GlobalConfiguration globalConfiguration) {
// 解析地区编号
String label = readCellData.getStringValue();
Area area = AreaUtils.parseArea(label);
if (area == null) {
log.error("[convertToJavaData][label({}) 解析不掉]", label);
return null;
}
// 将 value 转换成对应的属性
Class<?> fieldClazz = contentProperty.getField().getType();
return Convert.convert(fieldClazz, area.getId());
}
}

27
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/enums/ExcelColumn.java Normal file
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@@ -0,0 +1,27 @@
package cn.iocoder.yudao.framework.excel.core.enums;
import lombok.AllArgsConstructor;
import lombok.Getter;
// TODO @puhui999：列表有办法通过 field name 么？主要考虑一个点，可能导入模版的顺序可能会变
/**
* Excel 列名枚举
* 默认枚举 26 列列名如果有需求更多的列名请自行补充
*
* @author HUIHUI
*/
@Getter
@AllArgsConstructor
public enum ExcelColumn {
A(0), B(1), C(2), D(3), E(4), F(5), G(6), H(7), I(8),
J(9), K(10), L(11), M(12), N(13), O(14), P(15), Q(16),
R(17), S(18), T(19), U(20), V(21), W(22), X(23), Y(24),
Z(25);
/**
* 列索引
*/
private final int colNum;
}

115
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/handler/SelectSheetWriteHandler.java Normal file
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@@ -0,0 +1,115 @@
package cn.iocoder.yudao.framework.excel.core.handler;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.Assert;
import cn.iocoder.yudao.framework.common.core.KeyValue;
import cn.iocoder.yudao.framework.excel.core.enums.ExcelColumn;
import com.alibaba.excel.write.handler.SheetWriteHandler;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
import org.apache.poi.hssf.usermodel.HSSFDataValidation;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddressList;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* 基于固定 sheet 实现下拉框
*
* @author HUIHUI
*/
public class SelectSheetWriteHandler implements SheetWriteHandler {
/**
* 数据起始行从 0 开始
*
* 约定：本项目第一行有标题所以从 1 开始如果您的 Excel 有多行标题请自行更改
*/
public static final int FIRST_ROW = 1;
/**
* 下拉列需要创建下拉框的行数，默认两千行如需更多请自行调整
*/
public static final int LAST_ROW = 2000;
private static final String DICT_SHEET_NAME = "字典sheet";
// TODO @puhui999：Map<ExcelColumn, List<String>> 可以么？之前用 keyvalue 的原因，返回给前端，无法用 linkedhashmap，默认 key 会乱序
private final List<KeyValue<ExcelColumn, List<String>>> selectMap;
public SelectSheetWriteHandler(List<KeyValue<ExcelColumn, List<String>>> selectMap) {
if (CollUtil.isEmpty(selectMap)) {
this.selectMap = null;
return;
}
// 校验一下 key 是否唯一
Map<String, Long> nameCounts = selectMap.stream()
.collect(Collectors.groupingBy(item -> item.getKey().name(), Collectors.counting()));
Assert.isFalse(nameCounts.entrySet().stream().allMatch(entry -> entry.getValue() > 1), "下拉数据 key 重复请排查！！！");
selectMap.sort(Comparator.comparing(item -> item.getValue().size())); // 升序不然创建下拉会报错
this.selectMap = selectMap;
}
@Override
public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
if (CollUtil.isEmpty(selectMap)) {
return;
}
// 1. 获取相应操作对象
DataValidationHelper helper = writeSheetHolder.getSheet().getDataValidationHelper(); // 需要设置下拉框的 sheet 页的数据验证助手
Workbook workbook = writeWorkbookHolder.getWorkbook(); // 获得工作簿
// 2. 创建数据字典的 sheet 页
Sheet dictSheet = workbook.createSheet(DICT_SHEET_NAME);
for (KeyValue<ExcelColumn, List<String>> keyValue : selectMap) {
int rowLength = keyValue.getValue().size();
// 2.1 设置字典 sheet 页的值 每一列一个字典项
for (int i = 0; i < rowLength; i++) {
Row row = dictSheet.getRow(i);
if (row == null) {
row = dictSheet.createRow(i);
}
row.createCell(keyValue.getKey().getColNum()).setCellValue(keyValue.getValue().get(i));
}
// 2.2 设置单元格下拉选择
setColumnSelect(writeSheetHolder, workbook, helper, keyValue);
}
}
/**
* 设置单元格下拉选择
*/
private static void setColumnSelect(WriteSheetHolder writeSheetHolder, Workbook workbook, DataValidationHelper helper,
KeyValue<ExcelColumn, List<String>> keyValue) {
// 1.1 创建可被其他单元格引用的名称
Name name = workbook.createName();
String excelColumn = keyValue.getKey().name();
// 1.2 下拉框数据来源 eg:字典sheet!$B1:$B2
String refers = DICT_SHEET_NAME + "!$" + excelColumn + "$1:$" + excelColumn + "$" + keyValue.getValue().size();
name.setNameName("dict" + keyValue.getKey()); // 设置名称的名字
name.setRefersToFormula(refers); // 设置公式
// 2.1 设置约束
DataValidationConstraint constraint = helper.createFormulaListConstraint("dict" + keyValue.getKey()); // 设置引用约束
// 设置下拉单元格的首行、末行、首列、末列
CellRangeAddressList rangeAddressList = new CellRangeAddressList(FIRST_ROW, LAST_ROW,
keyValue.getKey().getColNum(), keyValue.getKey().getColNum());
DataValidation validation = helper.createValidation(constraint, rangeAddressList);
if (validation instanceof HSSFDataValidation) {
validation.setSuppressDropDownArrow(false);
} else {
validation.setSuppressDropDownArrow(true);
validation.setShowErrorBox(true);
}
// 2.2 阻止输入非下拉框的值
validation.setErrorStyle(DataValidation.ErrorStyle.STOP);
validation.createErrorBox("提示", "此值不存在于下拉选择中！");
// 2.3 添加下拉框约束
writeSheetHolder.getSheet().addValidationData(validation);
}
}

34
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java
View File

@@ -1,11 +1,14 @@
package cn.iocoder.yudao.framework.excel.core.util;
import cn.iocoder.yudao.framework.common.core.KeyValue;
import cn.iocoder.yudao.framework.excel.core.enums.ExcelColumn;
import cn.iocoder.yudao.framework.excel.core.handler.SelectSheetWriteHandler;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.converters.longconverter.LongStringConverter;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
@@ -21,20 +24,37 @@ public class ExcelUtils {
/**
* 将列表以 Excel 响应给前端
*
* @param response 响应
* @param filename 文件名
* @param response 响应
* @param filename 文件名
* @param sheetName Excel sheet 名
* @param head Excel head 头
* @param data 数据列表哦
* @param <T> 泛型，保证 head 和 data 类型的一致性
* @param head Excel head 头
* @param data 数据列表哦
* @param <T> 泛型，保证 head 和 data 类型的一致性
* @throws IOException 写入失败的情况
*/
public static <T> void write(HttpServletResponse response, String filename, String sheetName,
Class<T> head, List<T> data) throws IOException {
write(response, filename, sheetName, head, data, null);
}
/**
* 将列表以 Excel 响应给前端
*
* @param response 响应
* @param filename 文件名
* @param sheetName Excel sheet 名
* @param head Excel head 头
* @param data 数据列表哦
* @param selectMap 下拉选择数据 Map<下拉所对应的列表名，下拉数据>
* @throws IOException 写入失败的情况
*/
public static <T> void write(HttpServletResponse response, String filename, String sheetName,
Class<T> head, List<T> data, List<KeyValue<ExcelColumn, List<String>>> selectMap) throws IOException {
// 输出 Excel
EasyExcel.write(response.getOutputStream(), head)
.autoCloseStream(false) // 不要自动关闭，交给 Servlet 自己处理
.registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()) // 基于 column 长度，自动适配。最大 255 宽度
.registerWriteHandler(new SelectSheetWriteHandler(selectMap)) // 基于固定 sheet 实现下拉框
.registerConverter(new LongStringConverter()) // 避免 Long 类型丢失精度
.sheet(sheetName).doWrite(data);
// 设置 header 和 contentType。写在最后的原因是，避免报错时，响应 contentType 已经被修改了
@@ -43,7 +63,7 @@ public class ExcelUtils {
}
public static <T> List<T> read(MultipartFile file, Class<T> head) throws IOException {
return EasyExcel.read(file.getInputStream(), head, null)
return EasyExcel.read(file.getInputStream(), head, null)
.autoCloseStream(false) // 不要自动关闭，交给 Servlet 自己处理
.doReadAllSync();
}