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package com.ruoyi.common.excel.utils;
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package com.ruoyi.common.excel.utils;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.io.resource.ClassPathResource;
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import cn.hutool.core.util.IdUtil;
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import cn.hutool.core.util.IdUtil;
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import com.alibaba.excel.EasyExcel;
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import com.alibaba.excel.EasyExcel;
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import com.alibaba.excel.ExcelWriter;
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import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
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import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
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import com.alibaba.excel.write.metadata.WriteSheet;
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import com.alibaba.excel.write.metadata.fill.FillConfig;
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import com.alibaba.excel.write.metadata.fill.FillWrapper;
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import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
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import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
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import com.ruoyi.common.core.utils.StringUtils;
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import com.ruoyi.common.core.utils.StringUtils;
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import com.ruoyi.common.core.utils.file.FileUtils;
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import com.ruoyi.common.core.utils.file.FileUtils;
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@ -18,7 +24,10 @@ import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStream;
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import java.io.UnsupportedEncodingException;
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import java.util.Collection;
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import java.util.List;
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import java.util.List;
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import java.util.Map;
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/**
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/**
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* Excel相关处理
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* Excel相关处理
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@ -89,10 +98,7 @@ public class ExcelUtil {
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*/
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*/
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public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, HttpServletResponse response) {
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public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, HttpServletResponse response) {
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try {
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try {
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String filename = encodingFilename(sheetName);
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resetResponse(sheetName, response);
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response.reset();
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FileUtils.setAttachmentResponseHeader(response, filename);
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response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
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ServletOutputStream os = response.getOutputStream();
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ServletOutputStream os = response.getOutputStream();
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ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz)
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ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz)
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.autoCloseStream(false)
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.autoCloseStream(false)
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@ -111,6 +117,88 @@ public class ExcelUtil {
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}
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}
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}
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}
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/**
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* 单表多数据模板导出 模板格式为 {.属性}
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*
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* @param filename 文件名
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* @param templatePath 模板路径 resource 目录下的路径包括模板文件名
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* 例如: excel/temp.xlsx
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* 重点: 模板文件必须放置到启动类对应的 resource 目录下
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* @param data 模板需要的数据
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*/
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public static void exportTemplate(List<Object> data, String filename, String templatePath, HttpServletResponse response) {
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try {
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resetResponse(filename, response);
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ClassPathResource templateResource = new ClassPathResource(templatePath);
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ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream())
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.withTemplate(templateResource.getStream())
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.autoCloseStream(false)
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// 大数值自动转换 防止失真
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.registerConverter(new ExcelBigNumberConvert())
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.build();
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WriteSheet writeSheet = EasyExcel.writerSheet().build();
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if (CollUtil.isEmpty(data)) {
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throw new IllegalArgumentException("数据为空");
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}
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// 单表多数据导出 模板格式为 {.属性}
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for (Object d : data) {
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excelWriter.fill(d, writeSheet);
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}
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excelWriter.finish();
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} catch (IOException e) {
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throw new RuntimeException("导出Excel异常");
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}
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}
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/**
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* 多表多数据模板导出 模板格式为 {key.属性}
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*
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* @param filename 文件名
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* @param templatePath 模板路径 resource 目录下的路径包括模板文件名
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* 例如: excel/temp.xlsx
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* 重点: 模板文件必须放置到启动类对应的 resource 目录下
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* @param data 模板需要的数据
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*/
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public static void exportTemplateMultiList(Map<String, Object> data, String filename, String templatePath, HttpServletResponse response) {
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try {
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resetResponse(filename, response);
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ClassPathResource templateResource = new ClassPathResource(templatePath);
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ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream())
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.withTemplate(templateResource.getStream())
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.autoCloseStream(false)
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// 大数值自动转换 防止失真
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.registerConverter(new ExcelBigNumberConvert())
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.build();
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WriteSheet writeSheet = EasyExcel.writerSheet().build();
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if (CollUtil.isEmpty(data)) {
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throw new IllegalArgumentException("数据为空");
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}
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for (Map.Entry<String, Object> map : data.entrySet()) {
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// 设置列表后续还有数据
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FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
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if (map.getValue() instanceof Collection) {
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// 多表导出必须使用 FillWrapper
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excelWriter.fill(new FillWrapper(map.getKey(), (Collection<?>) map.getValue()), fillConfig, writeSheet);
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} else {
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excelWriter.fill(map.getValue(), writeSheet);
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}
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}
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excelWriter.finish();
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} catch (IOException e) {
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throw new RuntimeException("导出Excel异常");
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}
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}
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/**
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* 重置响应体
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*/
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private static void resetResponse(String sheetName, HttpServletResponse response) throws UnsupportedEncodingException {
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String filename = encodingFilename(sheetName);
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response.reset();
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FileUtils.setAttachmentResponseHeader(response, filename);
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response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
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}
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/**
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/**
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* 解析导出值 0=男,1=女,2=未知
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* 解析导出值 0=男,1=女,2=未知
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*
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*
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