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优化Excel工具类

This commit is contained in:
阿沐 2023-10-06 15:53:54 +08:00
parent a1e799e50b
commit ef861d48d6
1 changed files with 33 additions and 7 deletions
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40
maku-framework/src/main/java/net/maku/framework/common/utils/ExcelUtils.java
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@ -23,6 +23,7 @@ import java.io.File;
import java.io.FileInputStream; import java.io.FileInputStream;
import java.io.IOException; import java.io.IOException;
import java.lang.reflect.Field; import java.lang.reflect.Field;
import java.nio.charset.StandardCharsets;
import java.util.List; import java.util.List;
import java.util.stream.Collectors; import java.util.stream.Collectors;
@ -74,7 +75,7 @@ public class ExcelUtils {
* @param <T> 数据类型 * @param <T> 数据类型
* @param file 文件 * @param file 文件
* @param clazz 模板类 * @param clazz 模板类
* @return java.util.List list * @return java.util.List
*/ */
public static <T> List<T> readSync(File file, Class<T> clazz) { public static <T> List<T> readSync(File file, Class<T> clazz) {
return readSync(file, clazz, 1, 0, ExcelTypeEnum.XLSX); return readSync(file, clazz, 1, 0, ExcelTypeEnum.XLSX);
@ -105,7 +106,7 @@ public class ExcelUtils {
* @param data 数据 * @param data 数据
*/ */
public static <T> void excelExport(Class<T> head, File file, List<T> data) { public static <T> void excelExport(Class<T> head, File file, List<T> data) {
excelExport(head, file, "sheet1" , data); excelExport(head, file, "sheet1", data);
} }
/** /**
@ -137,11 +138,12 @@ public class ExcelUtils {
public static <T> void excelExport(Class<T> head, String excelName, String sheetName, List<T> data) { public static <T> void excelExport(Class<T> head, String excelName, String sheetName, List<T> data) {
try { try {
HttpServletResponse response = HttpContextUtils.getHttpServletResponse(); HttpServletResponse response = HttpContextUtils.getHttpServletResponse();
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" ); response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8" ); response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
// 这里URLEncoder.encode可以防止中文乱码 当然和easy excel没有关系 response.setCharacterEncoding("UTF-8");
String fileName = URLUtil.encode(excelName).replaceAll("\\+" , "%20" ); String fileName = URLUtil.encode(excelName, StandardCharsets.UTF_8);
response.setHeader("Content-disposition" , "attachment;filename*=utf-8''" + fileName + ".xlsx" ); response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
EasyExcel.write(response.getOutputStream(), head).sheet(StringUtils.isBlank(sheetName) ? "sheet1" : sheetName).doWrite(data); EasyExcel.write(response.getOutputStream(), head).sheet(StringUtils.isBlank(sheetName) ? "sheet1" : sheetName).doWrite(data);
} catch (IOException e) { } catch (IOException e) {
throw new RuntimeException(e); throw new RuntimeException(e);
@ -149,6 +151,30 @@ public class ExcelUtils {
} }
/** /**
* 导出数据到web
* 文件下载（失败了会返回一个有部分数据的Excel）
*
* @param head 类名
* @param excelName excel名字
* @param sheetName sheet名称
* @param data 数据
*/
public static <T> void excelExport(List<List<String>> head, String excelName, String sheetName, List<T> data) {
try {
HttpServletResponse response = HttpContextUtils.getHttpServletResponse();
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
response.setCharacterEncoding("UTF-8");
String fileName = URLUtil.encode(excelName, StandardCharsets.UTF_8);
response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
EasyExcel.write(response.getOutputStream()).head(head).sheet(StringUtils.isBlank(sheetName) ? "sheet1" : sheetName).doWrite(data);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* 解析字典数据到字段上 * 解析字典数据到字段上
* 比如 T中有 genderLabel字段 为男 需要给 gender 字段自动设置为0 * 比如 T中有 genderLabel字段 为男 需要给 gender 字段自动设置为0
* *