初始化提交

This commit is contained in:
YangJ
2024-03-20 09:42:17 +08:00
commit 72f30209cf
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<groupId>cn.iocoder.boot</groupId>
<artifactId>yudao-framework</artifactId>
<version>${revision}</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>yudao-spring-boot-starter-excel</artifactId>
<packaging>jar</packaging>
<name>${project.artifactId}</name>
<description>Excel 拓展</description>
<url>https://github.com/YunaiV/ruoyi-vue-pro</url>
<dependencies>
<dependency>
<groupId>cn.iocoder.boot</groupId>
<artifactId>yudao-common</artifactId>
</dependency>
<!-- Spring 核心 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<!-- 业务组件 -->
<dependency>
<groupId>cn.iocoder.boot</groupId>
<artifactId>yudao-module-system-api</artifactId> <!-- 需要使用它,进行 Dict 的查询 -->
<version>${revision}</version>
</dependency>
<!-- Web 相关 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<scope>provided</scope> <!-- 设置为 provided只有 ExcelUtils 使用 -->
</dependency>
<dependency>
<groupId>jakarta.servlet</groupId>
<artifactId>jakarta.servlet-api</artifactId>
<scope>provided</scope> <!-- 设置为 provided只有 ExcelUtils 使用 -->
</dependency>
<!-- 工具类相关 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>easyexcel</artifactId>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</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>
<!-- Test 测试相关 -->
<dependency>
<groupId>cn.iocoder.boot</groupId>
<artifactId>yudao-spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

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package cn.iocoder.yudao.framework.dict.config;
import cn.iocoder.yudao.framework.dict.core.DictFrameworkUtils;
import cn.iocoder.yudao.module.system.api.dict.DictDataApi;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.context.annotation.Bean;
@AutoConfiguration
public class YudaoDictAutoConfiguration {
@Bean
@SuppressWarnings("InstantiationOfUtilityClass")
public DictFrameworkUtils dictUtils(DictDataApi dictDataApi) {
DictFrameworkUtils.init(dictDataApi);
return new DictFrameworkUtils();
}
}

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package cn.iocoder.yudao.framework.dict.core;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.framework.common.core.KeyValue;
import cn.iocoder.yudao.framework.common.util.cache.CacheUtils;
import cn.iocoder.yudao.module.system.api.dict.DictDataApi;
import cn.iocoder.yudao.module.system.api.dict.dto.DictDataRespDTO;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import java.time.Duration;
/**
* 字典工具类
*
* @author 芋道源码
*/
@Slf4j
public class DictFrameworkUtils {
private static DictDataApi dictDataApi;
private static final DictDataRespDTO DICT_DATA_NULL = new DictDataRespDTO();
/**
* 针对 {@link #getDictDataLabel(String, String)} 的缓存
*/
private static final LoadingCache<KeyValue<String, String>, DictDataRespDTO> GET_DICT_DATA_CACHE = CacheUtils.buildAsyncReloadingCache(
Duration.ofMinutes(1L), // 过期时间 1 分钟
new CacheLoader<KeyValue<String, String>, DictDataRespDTO>() {
@Override
public DictDataRespDTO load(KeyValue<String, String> key) {
return ObjectUtil.defaultIfNull(dictDataApi.getDictData(key.getKey(), key.getValue()), DICT_DATA_NULL);
}
});
/**
* 针对 {@link #parseDictDataValue(String, String)} 的缓存
*/
private static final LoadingCache<KeyValue<String, String>, DictDataRespDTO> PARSE_DICT_DATA_CACHE = CacheUtils.buildAsyncReloadingCache(
Duration.ofMinutes(1L), // 过期时间 1 分钟
new CacheLoader<KeyValue<String, String>, DictDataRespDTO>() {
@Override
public DictDataRespDTO load(KeyValue<String, String> key) {
return ObjectUtil.defaultIfNull(dictDataApi.parseDictData(key.getKey(), key.getValue()), DICT_DATA_NULL);
}
});
public static void init(DictDataApi dictDataApi) {
DictFrameworkUtils.dictDataApi = dictDataApi;
log.info("[init][初始化 DictFrameworkUtils 成功]");
}
@SneakyThrows
public static String getDictDataLabel(String dictType, Integer value) {
return GET_DICT_DATA_CACHE.get(new KeyValue<>(dictType, String.valueOf(value))).getLabel();
}
@SneakyThrows
public static String getDictDataLabel(String dictType, String value) {
return GET_DICT_DATA_CACHE.get(new KeyValue<>(dictType, value)).getLabel();
}
@SneakyThrows
public static String parseDictDataValue(String dictType, String label) {
return PARSE_DICT_DATA_CACHE.get(new KeyValue<>(dictType, label)).getValue();
}
}

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/**
* 字典数据模块,提供 {@link cn.iocoder.yudao.framework.dict.core.DictFrameworkUtils} 工具类
*
* 通过将字典缓存在内存中,保证性能
*/
package cn.iocoder.yudao.framework.dict;

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package cn.iocoder.yudao.framework.excel.core.annotations;
import java.lang.annotation.*;
/**
* 字典格式化
*
* 实现将字典数据的值,格式化成字典数据的标签
*/
@Target({ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
@Inherited
public @interface DictFormat {
/**
* 例如说SysDictTypeConstants、InfDictTypeConstants
*
* @return 字典类型
*/
String value();
}

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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());
}
}

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package cn.iocoder.yudao.framework.excel.core.convert;
import cn.hutool.core.convert.Convert;
import cn.iocoder.yudao.framework.dict.core.DictFrameworkUtils;
import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
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.data.WriteCellData;
import com.alibaba.excel.metadata.property.ExcelContentProperty;
import lombok.extern.slf4j.Slf4j;
/**
* Excel 数据字典转换器
*
* @author 芋道源码
*/
@Slf4j
public class DictConvert 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) {
// 使用字典解析
String type = getType(contentProperty);
String label = readCellData.getStringValue();
String value = DictFrameworkUtils.parseDictDataValue(type, label);
if (value == null) {
log.error("[convertToJavaData][type({}) 解析不掉 label({})]", type, label);
return null;
}
// 将 String 的 value 转换成对应的属性
Class<?> fieldClazz = contentProperty.getField().getType();
return Convert.convert(fieldClazz, value);
}
@Override
public WriteCellData<String> convertToExcelData(Object object, ExcelContentProperty contentProperty,
GlobalConfiguration globalConfiguration) {
// 空时,返回空
if (object == null) {
return new WriteCellData<>("");
}
// 使用字典格式化
String type = getType(contentProperty);
String value = String.valueOf(object);
String label = DictFrameworkUtils.getDictDataLabel(type, value);
if (label == null) {
log.error("[convertToExcelData][type({}) 转换不了 label({})]", type, value);
return new WriteCellData<>("");
}
// 生成 Excel 小表格
return new WriteCellData<>(label);
}
private static String getType(ExcelContentProperty contentProperty) {
return contentProperty.getField().getAnnotation(DictFormat.class).value();
}
}

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package cn.iocoder.yudao.framework.excel.core.convert;
import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
import com.alibaba.excel.converters.Converter;
import com.alibaba.excel.enums.CellDataTypeEnum;
import com.alibaba.excel.metadata.GlobalConfiguration;
import com.alibaba.excel.metadata.data.WriteCellData;
import com.alibaba.excel.metadata.property.ExcelContentProperty;
/**
* Excel Json 转换器
*
* @author 芋道源码
*/
public class JsonConvert 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 WriteCellData<String> convertToExcelData(Object value, ExcelContentProperty contentProperty,
GlobalConfiguration globalConfiguration) {
// 生成 Excel 小表格
return new WriteCellData<>(JsonUtils.toJsonString(value));
}
}

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package cn.iocoder.yudao.framework.excel.core.convert;
import com.alibaba.excel.converters.Converter;
import com.alibaba.excel.enums.CellDataTypeEnum;
import com.alibaba.excel.metadata.GlobalConfiguration;
import com.alibaba.excel.metadata.data.WriteCellData;
import com.alibaba.excel.metadata.property.ExcelContentProperty;
import java.math.BigDecimal;
import java.math.RoundingMode;
/**
* 金额转换器
*
* 金额单位:分
*
* @author 芋道源码
*/
public class MoneyConvert implements Converter<Integer> {
@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 WriteCellData<String> convertToExcelData(Integer value, ExcelContentProperty contentProperty,
GlobalConfiguration globalConfiguration) {
BigDecimal result = BigDecimal.valueOf(value)
.divide(new BigDecimal(100), 2, RoundingMode.HALF_UP);
return new WriteCellData<>(result.toString());
}
}

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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;
}

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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 @puhui999Map<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);
}
}

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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 org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.List;
/**
* Excel 工具类
*
* @author 芋道源码
*/
public class ExcelUtils {
/**
* 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 <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
response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, StandardCharsets.UTF_8.name()));
response.setContentType("application/vnd.ms-excel;charset=UTF-8");
}
public static <T> List<T> read(MultipartFile file, Class<T> head) throws IOException {
return EasyExcel.read(file.getInputStream(), head, null)
.autoCloseStream(false) // 不要自动关闭,交给 Servlet 自己处理
.doReadAllSync();
}
}

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/**
* 基于 EasyExcel 实现 Excel 相关的操作
*/
package cn.iocoder.yudao.framework.excel;

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cn.iocoder.yudao.framework.dict.config.YudaoDictAutoConfiguration

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package cn.iocoder.yudao.framework.dict.core.util;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.dict.core.DictFrameworkUtils;
import cn.iocoder.yudao.framework.test.core.ut.BaseMockitoUnitTest;
import cn.iocoder.yudao.module.system.api.dict.DictDataApi;
import cn.iocoder.yudao.module.system.api.dict.dto.DictDataRespDTO;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomPojo;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.when;
/**
* {@link DictFrameworkUtils} 的单元测试
*/
public class DictFrameworkUtilsTest extends BaseMockitoUnitTest {
@Mock
private DictDataApi dictDataApi;
@BeforeEach
public void setUp() {
DictFrameworkUtils.init(dictDataApi);
}
@Test
public void testGetDictDataLabel() {
// mock 数据
DictDataRespDTO dataRespDTO = randomPojo(DictDataRespDTO.class, o -> o.setStatus(CommonStatusEnum.ENABLE.getStatus()));
// mock 方法
when(dictDataApi.getDictData(dataRespDTO.getDictType(), dataRespDTO.getValue())).thenReturn(dataRespDTO);
// 断言返回值
assertEquals(dataRespDTO.getLabel(), DictFrameworkUtils.getDictDataLabel(dataRespDTO.getDictType(), dataRespDTO.getValue()));
}
@Test
public void testParseDictDataValue() {
// mock 数据
DictDataRespDTO resp = randomPojo(DictDataRespDTO.class, o -> o.setStatus(CommonStatusEnum.ENABLE.getStatus()));
// mock 方法
when(dictDataApi.parseDictData(resp.getDictType(), resp.getLabel())).thenReturn(resp);
// 断言返回值
assertEquals(resp.getValue(), DictFrameworkUtils.parseDictDataValue(resp.getDictType(), resp.getLabel()));
}
}