From 569daa38882b9382a70ee47ac068bdce5a736eb3 Mon Sep 17 00:00:00 2001
From: fwq <582742538@qq.com>
Date: 星期五, 01 九月 2023 11:30:47 +0800
Subject: [PATCH] 删除方法
---
src/main/java/com/hx/util/ExcelUtil.java | 65 ++++++++++++++++++--------------
1 files changed, 37 insertions(+), 28 deletions(-)
diff --git a/src/main/java/com/hx/util/ExcelUtil.java b/src/main/java/com/hx/util/ExcelUtil.java
index 320ecb7..252ecf4 100644
--- a/src/main/java/com/hx/util/ExcelUtil.java
+++ b/src/main/java/com/hx/util/ExcelUtil.java
@@ -5,10 +5,8 @@
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
-import org.apache.poi.ss.usermodel.Cell;
-import org.apache.poi.ss.usermodel.Row;
-import org.apache.poi.ss.usermodel.Sheet;
-import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.ss.usermodel.*;
+import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.*;
import org.springframework.web.multipart.MultipartFile;
@@ -57,10 +55,11 @@
// 鍦ㄧ储寮�0鐨勪綅缃垱寤鸿锛堟渶椤剁鐨勮锛�
HSSFRow row = sheet.createRow(0);
// ===============================================================
- for (int i = 0; i < headList.length; i++) {
+ HSSFCell cell;
+ for (int i = 0; i < headList.length; i++) {
// 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛�
- HSSFCell cell = row.createCell(i);
+ cell = row.createCell(i);
// 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨�
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
// 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹�
@@ -68,14 +67,16 @@
}
// ===============================================================
if (dataList != null) {
+ HSSFRow row_value;
+ Map<String, Object> dataMap;
for (int n = 0; n < dataList.size(); n++) {
// 鍦ㄧ储寮�1鐨勪綅缃垱寤鸿
- HSSFRow row_value = sheet.createRow(n + 1);
- Map<String, Object> dataMap = dataList.get(n);
+ row_value = sheet.createRow(n + 1);
+ dataMap = dataList.get(n);
// ===============================================================
for (int i = 0; i < fieldList.length; i++) {
// 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛�
- HSSFCell cell = row_value.createCell(i);
+ cell = row_value.createCell(i);
// 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨�
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
// 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹�
@@ -125,10 +126,10 @@
// 鍦ㄧ储寮�0鐨勪綅缃垱寤鸿锛堟渶椤剁鐨勮锛�
HSSFRow row = sheet.createRow(0);
// ===============================================================
+ HSSFCell cell;
for (int i = 0; i < headList.length; i++) {
-
// 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛�
- HSSFCell cell = row.createCell(i);
+ cell = row.createCell(i);
// 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨�
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
// 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹�
@@ -136,14 +137,16 @@
}
// ===============================================================
if (dataList != null) {
+ HSSFRow row_value;
+ Map<String, Object> dataMap;
for (int n = 0; n < dataList.size(); n++) {
// 鍦ㄧ储寮�1鐨勪綅缃垱寤鸿
- HSSFRow row_value = sheet.createRow(n + 1);
- Map<String, Object> dataMap = dataList.get(n);
+ row_value = sheet.createRow(n + 1);
+ dataMap = dataList.get(n);
// ===============================================================
for (int i = 0; i < fieldList.length; i++) {
// 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛�
- HSSFCell cell = row_value.createCell(i);
+ cell = row_value.createCell(i);
// 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨�
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
// 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹�
@@ -204,12 +207,13 @@
// 鍦ㄧ储寮�0鐨勪綅缃垱寤鸿锛堟渶椤剁鐨勮锛�
HSSFRow row = sheet.createRow(0);
// ===============================================================
+ HSSFCell cell;
for (int i = 0; i < headList.length; i++) {
//楂樺害
row.setHeight(height.shortValue());
sheet.setColumnWidth(i,width);
// 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛�
- HSSFCell cell = row.createCell(i);
+ cell = row.createCell(i);
// 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨�
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
// 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹�
@@ -218,16 +222,18 @@
}
// ===============================================================
if (dataList != null) {
+ HSSFRow row_value;
+ Map<String, Object> dataMap;
for (int n = 0; n < dataList.size(); n++) {
// 鍦ㄧ储寮�1鐨勪綅缃垱寤鸿
- HSSFRow row_value = sheet.createRow(n + 1);
+ row_value = sheet.createRow(n + 1);
row_value.setHeight(height.shortValue());
- Map<String, Object> dataMap = dataList.get(n);
+ dataMap = dataList.get(n);
// ===============================================================
for (int i = 0; i < fieldList.length; i++) {
// 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛�
sheet.setColumnWidth(i,width);
- HSSFCell cell = row_value.createCell(i);
+ cell = row_value.createCell(i);
// 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨�
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
// 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹�
@@ -276,11 +282,11 @@
width = 5000;
}
// 鍒涘缓鏂扮殑Excel 宸ヤ綔绨�
- XSSFWorkbook workbook = new XSSFWorkbook();
-
+ //XSSFWorkbook workbook = new XSSFWorkbook();
+ SXSSFWorkbook workbook = new SXSSFWorkbook(1000);
//鍚堝苟鐨勫崟鍏冩牸鏍峰紡
- XSSFCellStyle boderStyle = workbook.createCellStyle();
+ CellStyle boderStyle = workbook.createCellStyle();
//鍨傜洿灞呬腑
boderStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
boderStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 鍒涘缓涓�涓眳涓牸寮�
@@ -288,16 +294,17 @@
// 鍦‥xcel宸ヤ綔绨夸腑寤轰竴宸ヤ綔琛紝鍏跺悕涓虹己鐪佸��
// 濡傝鏂板缓涓�鍚嶄负"鏁堢泭鎸囨爣"鐨勫伐浣滆〃锛屽叾璇彞涓猴細
// HSSFSheet sheet = workbook.createSheet("鏁堢泭鎸囨爣");
- XSSFSheet sheet = workbook.createSheet();
+ Sheet sheet = workbook.createSheet();
// 鍦ㄧ储寮�0鐨勪綅缃垱寤鸿锛堟渶椤剁鐨勮锛�
- XSSFRow row = sheet.createRow(0);
+ Row row = sheet.createRow(0);
// ===============================================================
+ Cell cell;
for (int i = 0; i < headList.length; i++) {
//楂樺害
row.setHeight(height.shortValue());
sheet.setColumnWidth(i,width);
// 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛�
- XSSFCell cell = row.createCell(i);
+ cell = row.createCell(i);
// 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨�
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
// 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹�
@@ -306,16 +313,18 @@
}
// ===============================================================
if (dataList != null) {
+ Row row_value;
+ Map<String, Object> dataMap;
for (int n = 0; n < dataList.size(); n++) {
// 鍦ㄧ储寮�1鐨勪綅缃垱寤鸿
- XSSFRow row_value = sheet.createRow(n + 1);
+ row_value = sheet.createRow(n + 1);
row_value.setHeight(height.shortValue());
- Map<String, Object> dataMap = dataList.get(n);
+ dataMap = dataList.get(n);
// ===============================================================
for (int i = 0; i < fieldList.length; i++) {
// 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛�
sheet.setColumnWidth(i,width);
- XSSFCell cell = row_value.createCell(i);
+ cell = row_value.createCell(i);
// 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨�
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
// 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹�
@@ -670,7 +679,6 @@
-
/**璇诲彇excel鏂囦欢锛屽吋瀹�2003鍜�2007
* 閫氳繃娴佽鍙朎xcel鏂囦欢
* @return
@@ -759,6 +767,7 @@
return null;
}
+
private static String getCellVal(Cell cell) {
if (null == cell) {
return "";
--
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