mirror of
https://github.com/dromara/RuoYi-Vue-Plus.git
synced 2025-09-24 07:19:46 +08:00
refactor 重构 common, framework 包结构, 参照 cloud 版本拆分子模块 ;
update 更新模块包名 ; delete 移除 sms 模块, oss 模块, framework 模块 (并入 common 模块) ;
This commit is contained in:
zlyx
@ -0,0 +1,24 @@
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package com.ruoyi.common.excel.annotation;
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import com.ruoyi.common.excel.core.CellMergeStrategy;
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import java.lang.annotation.*;
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/**
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* excel 列单元格合并(合并列相同项)
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*
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* 需搭配 {@link CellMergeStrategy} 策略使用
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*
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* @author Lion Li
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*/
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@Target(ElementType.FIELD)
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@Retention(RetentionPolicy.RUNTIME)
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@Inherited
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public @interface CellMerge {
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/**
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* col index
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*/
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int index() default -1;
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}
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@ -0,0 +1,30 @@
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package com.ruoyi.common.excel.annotation;
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import java.lang.annotation.*;
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/**
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* 字典格式化
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*
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* @author Lion Li
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*/
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@Target({ElementType.FIELD})
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@Retention(RetentionPolicy.RUNTIME)
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@Inherited
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public @interface ExcelDictFormat {
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/**
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* 如果是字典类型，请设置字典的type值 (如: sys_user_sex)
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*/
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String dictType() default "";
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/**
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* 读取内容转表达式 (如: 0=男,1=女,2=未知)
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*/
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String readConverterExp() default "";
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/**
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* 分隔符，读取字符串组内容
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*/
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String separator() default ",";
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}
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@ -0,0 +1,52 @@
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package com.ruoyi.common.excel.convert;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.util.ObjectUtil;
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import com.alibaba.excel.converters.Converter;
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import com.alibaba.excel.enums.CellDataTypeEnum;
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import com.alibaba.excel.metadata.GlobalConfiguration;
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import com.alibaba.excel.metadata.data.ReadCellData;
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import com.alibaba.excel.metadata.data.WriteCellData;
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import com.alibaba.excel.metadata.property.ExcelContentProperty;
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import lombok.extern.slf4j.Slf4j;
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import java.math.BigDecimal;
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/**
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* 大数值转换
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* Excel 数值长度位15位 大于15位的数值转换位字符串
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*
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* @author Lion Li
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*/
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@Slf4j
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public class ExcelBigNumberConvert implements Converter<Long> {
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@Override
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public Class<Long> supportJavaTypeKey() {
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return Long.class;
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}
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@Override
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public CellDataTypeEnum supportExcelTypeKey() {
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return CellDataTypeEnum.STRING;
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}
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@Override
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public Long convertToJavaData(ReadCellData<?> cellData, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
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return Convert.toLong(cellData.getData());
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}
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@Override
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public WriteCellData<Object> convertToExcelData(Long object, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
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if (ObjectUtil.isNotNull(object)) {
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String str = Convert.toStr(object);
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if (str.length() > 15) {
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return new WriteCellData<>(str);
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}
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}
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WriteCellData<Object> cellData = new WriteCellData<>(new BigDecimal(object));
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cellData.setType(CellDataTypeEnum.NUMBER);
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return cellData;
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}
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}
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@ -0,0 +1,73 @@
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package com.ruoyi.common.excel.convert;
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import cn.hutool.core.annotation.AnnotationUtil;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.util.ObjectUtil;
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import com.alibaba.excel.converters.Converter;
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import com.alibaba.excel.enums.CellDataTypeEnum;
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import com.alibaba.excel.metadata.GlobalConfiguration;
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import com.alibaba.excel.metadata.data.ReadCellData;
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import com.alibaba.excel.metadata.data.WriteCellData;
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import com.alibaba.excel.metadata.property.ExcelContentProperty;
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import com.ruoyi.common.excel.annotation.ExcelDictFormat;
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import com.ruoyi.common.core.service.DictService;
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import com.ruoyi.common.core.utils.SpringUtils;
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import com.ruoyi.common.core.utils.StringUtils;
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import com.ruoyi.common.excel.utils.ExcelUtil;
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import lombok.extern.slf4j.Slf4j;
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import java.lang.reflect.Field;
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/**
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* 字典格式化转换处理
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*
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* @author Lion Li
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*/
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@Slf4j
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public class ExcelDictConvert implements Converter<Object> {
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@Override
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public Class<Object> supportJavaTypeKey() {
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return Object.class;
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}
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@Override
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public CellDataTypeEnum supportExcelTypeKey() {
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return null;
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}
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@Override
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public Object convertToJavaData(ReadCellData<?> cellData, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
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ExcelDictFormat anno = getAnnotation(contentProperty.getField());
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String type = anno.dictType();
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String label = cellData.getStringValue();
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String value;
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if (StringUtils.isBlank(type)) {
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value = ExcelUtil.reverseByExp(label, anno.readConverterExp(), anno.separator());
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} else {
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value = SpringUtils.getBean(DictService.class).getDictValue(type, label, anno.separator());
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}
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return Convert.convert(contentProperty.getField().getType(), value);
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}
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@Override
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public WriteCellData<String> convertToExcelData(Object object, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
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if (ObjectUtil.isNull(object)) {
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return new WriteCellData<>("");
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}
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ExcelDictFormat anno = getAnnotation(contentProperty.getField());
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String type = anno.dictType();
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String value = Convert.toStr(object);
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String label;
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if (StringUtils.isBlank(type)) {
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label = ExcelUtil.convertByExp(value, anno.readConverterExp(), anno.separator());
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} else {
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label = SpringUtils.getBean(DictService.class).getDictLabel(type, value, anno.separator());
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}
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return new WriteCellData<>(label);
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}
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private ExcelDictFormat getAnnotation(Field field) {
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return AnnotationUtil.getAnnotation(field, ExcelDictFormat.class);
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}
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}
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@ -0,0 +1,114 @@
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package com.ruoyi.common.excel.core;
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import com.alibaba.excel.metadata.Head;
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import com.alibaba.excel.write.merge.AbstractMergeStrategy;
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import com.ruoyi.common.excel.annotation.CellMerge;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.SneakyThrows;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.collections4.CollectionUtils;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.util.CellRangeAddress;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* 列值重复合并策略
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*
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* @author Lion Li
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*/
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@AllArgsConstructor
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@Slf4j
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public class CellMergeStrategy extends AbstractMergeStrategy {
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private List<?> list;
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private boolean hasTitle;
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@Override
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protected void merge(Sheet sheet, Cell cell, Head head, Integer relativeRowIndex) {
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List<CellRangeAddress> cellList = handle(list, hasTitle);
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// judge the list is not null
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if (CollectionUtils.isNotEmpty(cellList)) {
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// the judge is necessary
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if (cell.getRowIndex() == 1 && cell.getColumnIndex() == 0) {
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for (CellRangeAddress item : cellList) {
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sheet.addMergedRegion(item);
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}
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}
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}
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}
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@SneakyThrows
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private static List<CellRangeAddress> handle(List<?> list, boolean hasTitle) {
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List<CellRangeAddress> cellList = new ArrayList<>();
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if (CollectionUtils.isEmpty(list)) {
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return cellList;
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}
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Class<?> clazz = list.get(0).getClass();
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Field[] fields = clazz.getDeclaredFields();
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// 有注解的字段
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List<Field> mergeFields = new ArrayList<>();
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List<Integer> mergeFieldsIndex = new ArrayList<>();
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for (int i = 0; i < fields.length; i++) {
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Field field = fields[i];
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if (field.isAnnotationPresent(CellMerge.class)) {
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CellMerge cm = field.getAnnotation(CellMerge.class);
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mergeFields.add(field);
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mergeFieldsIndex.add(cm.index() == -1 ? i : cm.index());
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}
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}
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// 行合并开始下标
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int rowIndex = hasTitle ? 1 : 0;
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Map<Field, RepeatCell> map = new HashMap<>();
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// 生成两两合并单元格
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for (int i = 0; i < list.size(); i++) {
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for (int j = 0; j < mergeFields.size(); j++) {
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Field field = mergeFields.get(j);
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String name = field.getName();
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String methodName = "get" + name.substring(0, 1).toUpperCase() + name.substring(1);
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Method readMethod = clazz.getMethod(methodName);
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Object val = readMethod.invoke(list.get(i));
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int colNum = mergeFieldsIndex.get(j);
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if (!map.containsKey(field)) {
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map.put(field, new RepeatCell(val, i));
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} else {
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RepeatCell repeatCell = map.get(field);
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Object cellValue = repeatCell.getValue();
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if (cellValue == null || "".equals(cellValue)) {
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// 空值跳过不合并
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continue;
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}
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if (!cellValue.equals(val)) {
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if (i - repeatCell.getCurrent() > 1) {
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cellList.add(new CellRangeAddress(repeatCell.getCurrent() + rowIndex, i + rowIndex - 1, colNum, colNum));
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}
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map.put(field, new RepeatCell(val, i));
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} else if (i == list.size() - 1) {
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if (i > repeatCell.getCurrent()) {
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cellList.add(new CellRangeAddress(repeatCell.getCurrent() + rowIndex, i + rowIndex, colNum, colNum));
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}
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}
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}
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}
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}
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return cellList;
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}
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@Data
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@AllArgsConstructor
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static class RepeatCell {
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private Object value;
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private int current;
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}
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}
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@ -0,0 +1,106 @@
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package com.ruoyi.common.excel.core;
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import cn.hutool.core.util.StrUtil;
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import com.alibaba.excel.context.AnalysisContext;
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import com.alibaba.excel.event.AnalysisEventListener;
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import com.alibaba.excel.exception.ExcelAnalysisException;
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import com.alibaba.excel.exception.ExcelDataConvertException;
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import com.ruoyi.common.core.utils.JsonUtils;
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import com.ruoyi.common.core.utils.StreamUtils;
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import com.ruoyi.common.core.utils.ValidatorUtils;
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import lombok.NoArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import jakarta.validation.ConstraintViolation;
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import jakarta.validation.ConstraintViolationException;
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import java.util.Map;
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import java.util.Set;
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/**
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* Excel 导入监听
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*
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* @author Yjoioooo
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* @author Lion Li
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*/
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@Slf4j
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@NoArgsConstructor
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public class DefaultExcelListener<T> extends AnalysisEventListener<T> implements ExcelListener<T> {
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/**
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* 是否Validator检验，默认为是
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*/
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private Boolean isValidate = Boolean.TRUE;
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/**
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* excel 表头数据
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*/
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private Map<Integer, String> headMap;
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/**
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* 导入回执
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*/
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private ExcelResult<T> excelResult;
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public DefaultExcelListener(boolean isValidate) {
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this.excelResult = new DefautExcelResult<>();
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this.isValidate = isValidate;
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}
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/**
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* 处理异常
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*
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* @param exception ExcelDataConvertException
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* @param context Excel 上下文
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*/
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@Override
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public void onException(Exception exception, AnalysisContext context) throws Exception {
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String errMsg = null;
|
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if (exception instanceof ExcelDataConvertException) {
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// 如果是某一个单元格的转换异常 能获取到具体行号
|
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ExcelDataConvertException excelDataConvertException = (ExcelDataConvertException) exception;
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Integer rowIndex = excelDataConvertException.getRowIndex();
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Integer columnIndex = excelDataConvertException.getColumnIndex();
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errMsg = StrUtil.format("第{}行-第{}列-表头{}: 解析异常<br/>",
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rowIndex + 1, columnIndex + 1, headMap.get(columnIndex));
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if (log.isDebugEnabled()) {
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log.error(errMsg);
|
||||
}
|
||||
}
|
||||
if (exception instanceof ConstraintViolationException) {
|
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ConstraintViolationException constraintViolationException = (ConstraintViolationException) exception;
|
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Set<ConstraintViolation<?>> constraintViolations = constraintViolationException.getConstraintViolations();
|
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String constraintViolationsMsg = StreamUtils.join(constraintViolations, ConstraintViolation::getMessage, ", ");
|
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errMsg = StrUtil.format("第{}行数据校验异常: {}", context.readRowHolder().getRowIndex() + 1, constraintViolationsMsg);
|
||||
if (log.isDebugEnabled()) {
|
||||
log.error(errMsg);
|
||||
}
|
||||
}
|
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excelResult.getErrorList().add(errMsg);
|
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throw new ExcelAnalysisException(errMsg);
|
||||
}
|
||||
|
||||
@Override
|
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public void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context) {
|
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this.headMap = headMap;
|
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log.debug("解析到一条表头数据: {}", JsonUtils.toJsonString(headMap));
|
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}
|
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|
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@Override
|
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public void invoke(T data, AnalysisContext context) {
|
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if (isValidate) {
|
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ValidatorUtils.validate(data);
|
||||
}
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excelResult.getList().add(data);
|
||||
}
|
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|
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@Override
|
||||
public void doAfterAllAnalysed(AnalysisContext context) {
|
||||
log.debug("所有数据解析完成！");
|
||||
}
|
||||
|
||||
@Override
|
||||
public ExcelResult<T> getExcelResult() {
|
||||
return excelResult;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,73 @@
|
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package com.ruoyi.common.excel.core;
|
||||
|
||||
import cn.hutool.core.util.StrUtil;
|
||||
import lombok.Setter;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* 默认excel返回对象
|
||||
*
|
||||
* @author Yjoioooo
|
||||
* @author Lion Li
|
||||
*/
|
||||
public class DefautExcelResult<T> implements ExcelResult<T> {
|
||||
|
||||
/**
|
||||
* 数据对象list
|
||||
*/
|
||||
@Setter
|
||||
private List<T> list;
|
||||
|
||||
/**
|
||||
* 错误信息列表
|
||||
*/
|
||||
@Setter
|
||||
private List<String> errorList;
|
||||
|
||||
public DefautExcelResult() {
|
||||
this.list = new ArrayList<>();
|
||||
this.errorList = new ArrayList<>();
|
||||
}
|
||||
|
||||
public DefautExcelResult(List<T> list, List<String> errorList) {
|
||||
this.list = list;
|
||||
this.errorList = errorList;
|
||||
}
|
||||
|
||||
public DefautExcelResult(ExcelResult<T> excelResult) {
|
||||
this.list = excelResult.getList();
|
||||
this.errorList = excelResult.getErrorList();
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<T> getList() {
|
||||
return list;
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<String> getErrorList() {
|
||||
return errorList;
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取导入回执
|
||||
*
|
||||
* @return 导入回执
|
||||
*/
|
||||
@Override
|
||||
public String getAnalysis() {
|
||||
int successCount = list.size();
|
||||
int errorCount = errorList.size();
|
||||
if (successCount == 0) {
|
||||
return "读取失败，未解析到数据";
|
||||
} else {
|
||||
if (errorCount == 0) {
|
||||
return StrUtil.format("恭喜您，全部读取成功！共{}条", successCount);
|
||||
} else {
|
||||
return "";
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
package com.ruoyi.common.excel.core;
|
||||
|
||||
import com.alibaba.excel.read.listener.ReadListener;
|
||||
|
||||
/**
|
||||
* Excel 导入监听
|
||||
*
|
||||
* @author Lion Li
|
||||
*/
|
||||
public interface ExcelListener<T> extends ReadListener<T> {
|
||||
|
||||
ExcelResult<T> getExcelResult();
|
||||
|
||||
}
|
||||
@ -0,0 +1,26 @@
|
||||
package com.ruoyi.common.excel.core;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* excel返回对象
|
||||
*
|
||||
* @author Lion Li
|
||||
*/
|
||||
public interface ExcelResult<T> {
|
||||
|
||||
/**
|
||||
* 对象列表
|
||||
*/
|
||||
List<T> getList();
|
||||
|
||||
/**
|
||||
* 错误列表
|
||||
*/
|
||||
List<String> getErrorList();
|
||||
|
||||
/**
|
||||
* 导入回执
|
||||
*/
|
||||
String getAnalysis();
|
||||
}
|
||||
@ -0,0 +1,328 @@
|
||||
package com.ruoyi.common.excel.utils;
|
||||
|
||||
import cn.hutool.core.collection.CollUtil;
|
||||
import cn.hutool.core.io.resource.ClassPathResource;
|
||||
import cn.hutool.core.util.IdUtil;
|
||||
import com.alibaba.excel.EasyExcel;
|
||||
import com.alibaba.excel.ExcelWriter;
|
||||
import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
|
||||
import com.alibaba.excel.write.metadata.WriteSheet;
|
||||
import com.alibaba.excel.write.metadata.fill.FillConfig;
|
||||
import com.alibaba.excel.write.metadata.fill.FillWrapper;
|
||||
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
|
||||
import com.ruoyi.common.core.utils.StringUtils;
|
||||
import com.ruoyi.common.core.utils.file.FileUtils;
|
||||
import com.ruoyi.common.excel.convert.ExcelBigNumberConvert;
|
||||
import com.ruoyi.common.excel.core.CellMergeStrategy;
|
||||
import com.ruoyi.common.excel.core.DefaultExcelListener;
|
||||
import com.ruoyi.common.excel.core.ExcelListener;
|
||||
import com.ruoyi.common.excel.core.ExcelResult;
|
||||
import lombok.AccessLevel;
|
||||
import lombok.NoArgsConstructor;
|
||||
|
||||
import jakarta.servlet.ServletOutputStream;
|
||||
import jakarta.servlet.http.HttpServletResponse;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
import java.io.UnsupportedEncodingException;
|
||||
import java.util.Collection;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* Excel相关处理
|
||||
*
|
||||
* @author Lion Li
|
||||
*/
|
||||
@NoArgsConstructor(access = AccessLevel.PRIVATE)
|
||||
public class ExcelUtil {
|
||||
|
||||
/**
|
||||
* 同步导入(适用于小数据量)
|
||||
*
|
||||
* @param is 输入流
|
||||
* @return 转换后集合
|
||||
*/
|
||||
public static <T> List<T> importExcel(InputStream is, Class<T> clazz) {
|
||||
return EasyExcel.read(is).head(clazz).autoCloseStream(false).sheet().doReadSync();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 使用校验监听器 异步导入 同步返回
|
||||
*
|
||||
* @param is 输入流
|
||||
* @param clazz 对象类型
|
||||
* @param isValidate 是否 Validator 检验 默认为是
|
||||
* @return 转换后集合
|
||||
*/
|
||||
public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, boolean isValidate) {
|
||||
DefaultExcelListener<T> listener = new DefaultExcelListener<>(isValidate);
|
||||
EasyExcel.read(is, clazz, listener).sheet().doRead();
|
||||
return listener.getExcelResult();
|
||||
}
|
||||
|
||||
/**
|
||||
* 使用自定义监听器 异步导入 自定义返回
|
||||
*
|
||||
* @param is 输入流
|
||||
* @param clazz 对象类型
|
||||
* @param listener 自定义监听器
|
||||
* @return 转换后集合
|
||||
*/
|
||||
public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, ExcelListener<T> listener) {
|
||||
EasyExcel.read(is, clazz, listener).sheet().doRead();
|
||||
return listener.getExcelResult();
|
||||
}
|
||||
|
||||
/**
|
||||
* 导出excel
|
||||
*
|
||||
* @param list 导出数据集合
|
||||
* @param sheetName 工作表的名称
|
||||
* @param clazz 实体类
|
||||
* @param response 响应体
|
||||
*/
|
||||
public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, HttpServletResponse response) {
|
||||
try {
|
||||
resetResponse(sheetName, response);
|
||||
ServletOutputStream os = response.getOutputStream();
|
||||
exportExcel(list, sheetName, clazz, false, os);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException("导出Excel异常");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 导出excel
|
||||
*
|
||||
* @param list 导出数据集合
|
||||
* @param sheetName 工作表的名称
|
||||
* @param clazz 实体类
|
||||
* @param merge 是否合并单元格
|
||||
* @param response 响应体
|
||||
*/
|
||||
public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, HttpServletResponse response) {
|
||||
try {
|
||||
resetResponse(sheetName, response);
|
||||
ServletOutputStream os = response.getOutputStream();
|
||||
exportExcel(list, sheetName, clazz, merge, os);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException("导出Excel异常");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 导出excel
|
||||
*
|
||||
* @param list 导出数据集合
|
||||
* @param sheetName 工作表的名称
|
||||
* @param clazz 实体类
|
||||
* @param os 输出流
|
||||
*/
|
||||
public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, OutputStream os) {
|
||||
exportExcel(list, sheetName, clazz, false, os);
|
||||
}
|
||||
|
||||
/**
|
||||
* 导出excel
|
||||
*
|
||||
* @param list 导出数据集合
|
||||
* @param sheetName 工作表的名称
|
||||
* @param clazz 实体类
|
||||
* @param merge 是否合并单元格
|
||||
* @param os 输出流
|
||||
*/
|
||||
public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, OutputStream os) {
|
||||
ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz)
|
||||
.autoCloseStream(false)
|
||||
// 自动适配
|
||||
.registerWriteHandler(new LongestMatchColumnWidthStyleStrategy())
|
||||
// 大数值自动转换 防止失真
|
||||
.registerConverter(new ExcelBigNumberConvert())
|
||||
.sheet(sheetName);
|
||||
if (merge) {
|
||||
// 合并处理器
|
||||
builder.registerWriteHandler(new CellMergeStrategy(list, true));
|
||||
}
|
||||
builder.doWrite(list);
|
||||
}
|
||||
|
||||
/**
|
||||
* 单表多数据模板导出 模板格式为 {.属性}
|
||||
*
|
||||
* @param filename 文件名
|
||||
* @param templatePath 模板路径 resource 目录下的路径包括模板文件名
|
||||
* 例如: excel/temp.xlsx
|
||||
* 重点: 模板文件必须放置到启动类对应的 resource 目录下
|
||||
* @param data 模板需要的数据
|
||||
* @param response 响应体
|
||||
*/
|
||||
public static void exportTemplate(List<Object> data, String filename, String templatePath, HttpServletResponse response) {
|
||||
try {
|
||||
resetResponse(filename, response);
|
||||
ServletOutputStream os = response.getOutputStream();
|
||||
exportTemplate(data, templatePath, os);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException("导出Excel异常");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 单表多数据模板导出 模板格式为 {.属性}
|
||||
*
|
||||
* @param templatePath 模板路径 resource 目录下的路径包括模板文件名
|
||||
* 例如: excel/temp.xlsx
|
||||
* 重点: 模板文件必须放置到启动类对应的 resource 目录下
|
||||
* @param data 模板需要的数据
|
||||
* @param os 输出流
|
||||
*/
|
||||
public static void exportTemplate(List<Object> data, String templatePath, OutputStream os) {
|
||||
ClassPathResource templateResource = new ClassPathResource(templatePath);
|
||||
ExcelWriter excelWriter = EasyExcel.write(os)
|
||||
.withTemplate(templateResource.getStream())
|
||||
.autoCloseStream(false)
|
||||
// 大数值自动转换 防止失真
|
||||
.registerConverter(new ExcelBigNumberConvert())
|
||||
.build();
|
||||
WriteSheet writeSheet = EasyExcel.writerSheet().build();
|
||||
if (CollUtil.isEmpty(data)) {
|
||||
throw new IllegalArgumentException("数据为空");
|
||||
}
|
||||
// 单表多数据导出 模板格式为 {.属性}
|
||||
for (Object d : data) {
|
||||
excelWriter.fill(d, writeSheet);
|
||||
}
|
||||
excelWriter.finish();
|
||||
}
|
||||
|
||||
/**
|
||||
* 多表多数据模板导出 模板格式为 {key.属性}
|
||||
*
|
||||
* @param filename 文件名
|
||||
* @param templatePath 模板路径 resource 目录下的路径包括模板文件名
|
||||
* 例如: excel/temp.xlsx
|
||||
* 重点: 模板文件必须放置到启动类对应的 resource 目录下
|
||||
* @param data 模板需要的数据
|
||||
* @param response 响应体
|
||||
*/
|
||||
public static void exportTemplateMultiList(Map<String, Object> data, String filename, String templatePath, HttpServletResponse response) {
|
||||
try {
|
||||
resetResponse(filename, response);
|
||||
ServletOutputStream os = response.getOutputStream();
|
||||
exportTemplateMultiList(data, templatePath, os);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException("导出Excel异常");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 多表多数据模板导出 模板格式为 {key.属性}
|
||||
*
|
||||
* @param templatePath 模板路径 resource 目录下的路径包括模板文件名
|
||||
* 例如: excel/temp.xlsx
|
||||
* 重点: 模板文件必须放置到启动类对应的 resource 目录下
|
||||
* @param data 模板需要的数据
|
||||
* @param os 输出流
|
||||
*/
|
||||
public static void exportTemplateMultiList(Map<String, Object> data, String templatePath, OutputStream os) {
|
||||
ClassPathResource templateResource = new ClassPathResource(templatePath);
|
||||
ExcelWriter excelWriter = EasyExcel.write(os)
|
||||
.withTemplate(templateResource.getStream())
|
||||
.autoCloseStream(false)
|
||||
// 大数值自动转换 防止失真
|
||||
.registerConverter(new ExcelBigNumberConvert())
|
||||
.build();
|
||||
WriteSheet writeSheet = EasyExcel.writerSheet().build();
|
||||
if (CollUtil.isEmpty(data)) {
|
||||
throw new IllegalArgumentException("数据为空");
|
||||
}
|
||||
for (Map.Entry<String, Object> map : data.entrySet()) {
|
||||
// 设置列表后续还有数据
|
||||
FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
|
||||
if (map.getValue() instanceof Collection) {
|
||||
// 多表导出必须使用 FillWrapper
|
||||
excelWriter.fill(new FillWrapper(map.getKey(), (Collection<?>) map.getValue()), fillConfig, writeSheet);
|
||||
} else {
|
||||
excelWriter.fill(map.getValue(), writeSheet);
|
||||
}
|
||||
}
|
||||
excelWriter.finish();
|
||||
}
|
||||
|
||||
/**
|
||||
* 重置响应体
|
||||
*/
|
||||
private static void resetResponse(String sheetName, HttpServletResponse response) throws UnsupportedEncodingException {
|
||||
String filename = encodingFilename(sheetName);
|
||||
FileUtils.setAttachmentResponseHeader(response, filename);
|
||||
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 (StringUtils.containsAny(propertyValue, separator)) {
|
||||
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 StringUtils.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 (StringUtils.containsAny(propertyValue, separator)) {
|
||||
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 StringUtils.stripEnd(propertyString.toString(), separator);
|
||||
}
|
||||
|
||||
/**
|
||||
* 编码文件名
|
||||
*/
|
||||
public static String encodingFilename(String filename) {
|
||||
return IdUtil.fastSimpleUUID() + "_" + filename + ".xlsx";
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user