From 6b6bf55bd752a477643c798d9e9bba36bef277ef Mon Sep 17 00:00:00 2001
From: wangrenhuang <wangren_huang@163.com>
Date: 星期三, 31 八月 2022 19:30:03 +0800
Subject: [PATCH] 导出文件工具类优化
---
src/main/java/com/hx/util/ExcelUtil.java | 83 +++++++++++++++++++++++++++++++++++++++++
src/main/java/com/hx/util/FileUtils.java | 37 ++++++++++++++++++
2 files changed, 120 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/hx/util/ExcelUtil.java b/src/main/java/com/hx/util/ExcelUtil.java
index d0b4f6d..5cbea70 100644
--- a/src/main/java/com/hx/util/ExcelUtil.java
+++ b/src/main/java/com/hx/util/ExcelUtil.java
@@ -15,6 +15,8 @@
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.multipart.MultipartFile;
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
import java.io.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
@@ -719,4 +721,85 @@
}
+
+
+
+ public static File createExcelByImg(String[] headList, String[] fieldList, List<Map<String, Object>> dataList, Integer height, Integer width) throws Exception {
+ File file = File.createTempFile("temp", ".xls");
+ FileOutputStream fileOut = null;
+ BufferedImage bufferImg = null;
+
+ try {
+ ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
+ if (height == null) {
+ height = 450;
+ }
+
+ if (width == null) {
+ width = 1000;
+ }
+
+ HSSFWorkbook workbook = new HSSFWorkbook();
+ HSSFCellStyle boderStyle = workbook.createCellStyle();
+ boderStyle.setVerticalAlignment((short)1);
+ boderStyle.setAlignment((short)2);
+ HSSFSheet sheet = workbook.createSheet();
+ HSSFPatriarch patriarch = sheet.createDrawingPatriarch();
+ HSSFRow row = sheet.createRow(0);
+
+ HSSFCell anchor;
+ for(int i = 0; i < headList.length; ++i) {
+ row.setHeight(height.shortValue());
+ sheet.setColumnWidth(i, width);
+ anchor = row.createCell(i);
+ anchor.setCellType(1);
+ anchor.setCellValue(headList[i]);
+ anchor.setCellStyle(boderStyle);
+ }
+
+ HSSFRow row_value = null;
+ anchor = null;
+ HSSFCell cell = null;
+ if (dataList != null) {
+ for(int n = 0; n < dataList.size(); ++n) {
+ row_value = sheet.createRow(n + 1);
+ row_value.setHeight(height.shortValue());
+ Map<String, Object> dataMap = (Map)dataList.get(n);
+
+ for(int i = 0; i < fieldList.length; ++i) {
+ sheet.setColumnWidth(i, width);
+ cell = row_value.createCell(i);
+ cell.setCellType(1);
+ Object value = dataMap.get(fieldList[i]);
+ if (value != null && "class java.io.File".equals(value.getClass().toString())) {
+ File file2 = (File)value;
+ if (file2 == null) {
+ cell.setCellValue("");
+ } else {
+ bufferImg = ImageIO.read(file2);
+ ImageIO.write(bufferImg, "jpg", byteArrayOut);
+ HSSFClientAnchor anchor1 = new HSSFClientAnchor(0, 0, 1023, 255, (short)i, n + 1, (short)i, n + 1);
+ anchor1.setAnchorType(0);
+ patriarch.createPicture(anchor1, workbook.addPicture(byteArrayOut.toByteArray(), 5));
+ }
+ } else {
+ cell.setCellValue(objToString(dataMap.get(fieldList[i])));
+ cell.setCellStyle(boderStyle);
+ }
+ }
+ }
+ }
+
+ FileOutputStream fOut = new FileOutputStream(file);
+ workbook.write(fOut);
+ fOut.flush();
+ fOut.close();
+ } catch (Exception var25) {
+ var25.printStackTrace();
+ } finally {
+ file.deleteOnExit();
+ }
+
+ return file;
+ }
}
\ No newline at end of file
diff --git a/src/main/java/com/hx/util/FileUtils.java b/src/main/java/com/hx/util/FileUtils.java
index 6911a87..7da1769 100644
--- a/src/main/java/com/hx/util/FileUtils.java
+++ b/src/main/java/com/hx/util/FileUtils.java
@@ -7,6 +7,7 @@
import java.io.*;
import java.net.FileNameMap;
+import java.net.URL;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
@@ -625,5 +626,41 @@
return type;
}
+ public static File httpUrlFile(String netUrl) throws IOException {
+ File file = File.createTempFile("temp123", ".xls");
+ InputStream inStream = null;
+ FileOutputStream os = null;
+
+ try {
+ file = File.createTempFile("net_url", ".jpg");
+ URL urlfile = new URL(netUrl);
+ inStream = urlfile.openStream();
+ os = new FileOutputStream(file);
+
+ byte[] buffer = new byte[8192];
+
+ int bytesRead;
+ while((bytesRead = inStream.read(buffer, 0, 8192)) != -1) {
+ os.write(buffer, 0, bytesRead);
+ }
+ } catch (Exception var15) {
+ var15.printStackTrace();
+ } finally {
+ try {
+ if (null != os) {
+ os.close();
+ }
+
+ if (null != inStream) {
+ inStream.close();
+ }
+ } catch (Exception var14) {
+ var14.printStackTrace();
+ }
+
+ }
+
+ return file;
+ }
}
--
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