columnWidth = sheet.getColumnWidth();
39 | if (columnWidth == null
40 | || columnWidth.size() != sheet.getFieldAndAlias().size()) {
41 | // 设置默认宽度
42 | for (int i = 0; i < sheet.getFieldAndAlias().size(); i++) {
43 | bigWriter.setColumnWidth(i, 25);
44 | }
45 | } else {
46 | // 设置自定义宽度
47 | for (int i = 0; i < columnWidth.size(); i++) {
48 | bigWriter.setColumnWidth(i, columnWidth.get(i));
49 | }
50 | }
51 | // 设置字段和别名
52 | bigWriter.setHeaderAlias(sheet.getFieldAndAlias());
53 | // 设置只导出有别名的字段
54 | bigWriter.setOnlyAlias(true);
55 | // 设置默认行高
56 | bigWriter.setDefaultRowHeight(18);
57 | // 设置冻结行
58 | bigWriter.setFreezePane(1);
59 | // 一次性写出内容，使用默认样式，强制输出标题
60 | bigWriter.write(sheet.getCollection(), true);
61 | // 设置所有列为自动宽度，不考虑合并单元格
62 | // bigWriter.autoSizeColumnAll();
63 | }
64 | ServletOutputStream out = null;
65 | try {
66 | // response为HttpServletResponse对象
67 | response.setContentType("application/vnd.ms-excel;charset=utf-8");
68 | response.setHeader("Content-Disposition",
69 | "attachment;filename=" + URLEncoder.encode(
70 | fileName + DateUtil.today() + ".xlsx", "UTF-8"));
71 | out = response.getOutputStream();
72 | bigWriter.flush(out, true);
73 | } catch (IOException e) {
74 | e.printStackTrace();
75 | } finally {
76 | // 关闭writer，释放内存
77 | bigWriter.close();
78 | }
79 | // 此处记得关闭输出Servlet流
80 | IoUtil.close(out);
81 | }
82 | }
--------------------------------------------------------------------------------
/src/main/java/t5750/poi/util/OSinfo.java:
--------------------------------------------------------------------------------
1 | package t5750.poi.util;
2 |
3 | public class OSinfo {
4 | private static String OS = System.getProperty("os.name").toLowerCase();
5 | private static OSinfo _instance = new OSinfo();
6 | private EPlatform platform;
7 |
8 | private OSinfo() {
9 | }
10 |
11 | public static boolean isLinux() {
12 | return OS.indexOf("linux") >= 0;
13 | }
14 |
15 | public static boolean isMacOS() {
16 | return OS.indexOf("mac") >= 0 && OS.indexOf("os") > 0
17 | && OS.indexOf("x") < 0;
18 | }
19 |
20 | public static boolean isMacOSX() {
21 | return OS.indexOf("mac") >= 0 && OS.indexOf("os") > 0
22 | && OS.indexOf("x") > 0;
23 | }
24 |
25 | public static boolean isWindows() {
26 | return OS.indexOf("windows") >= 0;
27 | }
28 |
29 | public static boolean isOS2() {
30 | return OS.indexOf("os/2") >= 0;
31 | }
32 |
33 | public static boolean isSolaris() {
34 | return OS.indexOf("solaris") >= 0;
35 | }
36 |
37 | public static boolean isSunOS() {
38 | return OS.indexOf("sunos") >= 0;
39 | }
40 |
41 | public static boolean isMPEiX() {
42 | return OS.indexOf("mpe/ix") >= 0;
43 | }
44 |
45 | public static boolean isHPUX() {
46 | return OS.indexOf("hp-ux") >= 0;
47 | }
48 |
49 | public static boolean isAix() {
50 | return OS.indexOf("aix") >= 0;
51 | }
52 |
53 | public static boolean isOS390() {
54 | return OS.indexOf("os/390") >= 0;
55 | }
56 |
57 | public static boolean isFreeBSD() {
58 | return OS.indexOf("freebsd") >= 0;
59 | }
60 |
61 | public static boolean isIrix() {
62 | return OS.indexOf("irix") >= 0;
63 | }
64 |
65 | public static boolean isDigitalUnix() {
66 | return OS.indexOf("digital") >= 0 && OS.indexOf("unix") > 0;
67 | }
68 |
69 | public static boolean isNetWare() {
70 | return OS.indexOf("netware") >= 0;
71 | }
72 |
73 | public static boolean isOSF1() {
74 | return OS.indexOf("osf1") >= 0;
75 | }
76 |
77 | public static boolean isOpenVMS() {
78 | return OS.indexOf("openvms") >= 0;
79 | }
80 |
81 | /**
82 | * 获取操作系统名字
83 | *
84 | * @return 操作系统名
85 | */
86 | public static EPlatform getOSname() {
87 | if (isAix()) {
88 | _instance.platform = EPlatform.AIX;
89 | } else if (isDigitalUnix()) {
90 | _instance.platform = EPlatform.Digital_Unix;
91 | } else if (isFreeBSD()) {
92 | _instance.platform = EPlatform.FreeBSD;
93 | } else if (isHPUX()) {
94 | _instance.platform = EPlatform.HP_UX;
95 | } else if (isIrix()) {
96 | _instance.platform = EPlatform.Irix;
97 | } else if (isLinux()) {
98 | _instance.platform = EPlatform.Linux;
99 | } else if (isMacOS()) {
100 | _instance.platform = EPlatform.Mac_OS;
101 | } else if (isMacOSX()) {
102 | _instance.platform = EPlatform.Mac_OS_X;
103 | } else if (isMPEiX()) {
104 | _instance.platform = EPlatform.MPEiX;
105 | } else if (isNetWare()) {
106 | _instance.platform = EPlatform.NetWare_411;
107 | } else if (isOpenVMS()) {
108 | _instance.platform = EPlatform.OpenVMS;
109 | } else if (isOS2()) {
110 | _instance.platform = EPlatform.OS2;
111 | } else if (isOS390()) {
112 | _instance.platform = EPlatform.OS390;
113 | } else if (isOSF1()) {
114 | _instance.platform = EPlatform.OSF1;
115 | } else if (isSolaris()) {
116 | _instance.platform = EPlatform.Solaris;
117 | } else if (isSunOS()) {
118 | _instance.platform = EPlatform.SunOS;
119 | } else if (isWindows()) {
120 | _instance.platform = EPlatform.Windows;
121 | } else {
122 | _instance.platform = EPlatform.Others;
123 | }
124 | return _instance.platform;
125 | }
126 |
127 | /**
128 | * @param args
129 | */
130 | public static void main(String[] args) {
131 | System.out.println(OSinfo.getOSname());
132 | }
133 | }
--------------------------------------------------------------------------------
/src/main/resources/application.properties:
--------------------------------------------------------------------------------
1 | spring.application.name=poi
2 | server.servlet.context-path=/${spring.application.name}
3 | spring.jpa.show-sql=true
4 | spring.jpa.hibernate.ddl-auto=update
5 | spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.DerbyTenSevenDialect
6 | #spring.datasource.url=jdbc:derby:D:/code/derbypoi;create=true
--------------------------------------------------------------------------------
/src/main/resources/doc/productImport.xls:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/T5750/poi-repositories/6589bcd16cf7587a3eb7ec88ecf59667be3d75b8/src/main/resources/doc/productImport.xls
--------------------------------------------------------------------------------
/src/main/resources/doc/replaceTemplate.xls:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/T5750/poi-repositories/6589bcd16cf7587a3eb7ec88ecf59667be3d75b8/src/main/resources/doc/replaceTemplate.xls
--------------------------------------------------------------------------------
/src/main/resources/doc/template.xls:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/T5750/poi-repositories/6589bcd16cf7587a3eb7ec88ecf59667be3d75b8/src/main/resources/doc/template.xls
--------------------------------------------------------------------------------
/src/main/resources/doc/testRead.xls:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/T5750/poi-repositories/6589bcd16cf7587a3eb7ec88ecf59667be3d75b8/src/main/resources/doc/testRead.xls
--------------------------------------------------------------------------------
/src/main/resources/img/tomcat.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/T5750/poi-repositories/6589bcd16cf7587a3eb7ec88ecf59667be3d75b8/src/main/resources/img/tomcat.png
--------------------------------------------------------------------------------
/src/main/resources/templates/product/list.html:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 | POI Repositories - List Products
5 |
6 |
7 |
8 |
9 |
10 |
18 |
19 |
20 |
41 |
42 |
43 |
Product List
44 |
45 |
46 |
47 | | Id |
48 | Description |
49 | Price |
50 | Image URL |
51 | List |
52 | Edit |
53 | Delete |
54 |
55 |
56 | |
57 | |
58 | |
59 | |
60 | View |
61 | Edit |
62 | Delete |
63 |
64 |
65 |
66 |
71 |
Older
72 |
80 |
43 |
Product Details
44 |
89 |
43 |
Show Product
44 |
72 |
75 |
17 | * Usage:
18 | * CalendarDemo -xls|xlsx
19 | *
20 | *
21 | * @author Yegor Kozlov
22 | */
23 | public class CalendarDemo {
24 |
25 | private static final String[] days = {
26 | "Sunday", "Monday", "Tuesday",
27 | "Wednesday", "Thursday", "Friday", "Saturday"};
28 |
29 | private static final String[] months = {
30 | "January", "February", "March","April", "May", "June","July", "August",
31 | "September","October", "November", "December"};
32 |
33 | public static void main(String[] args) throws Exception {
34 |
35 | Calendar calendar = Calendar.getInstance();
36 | boolean xlsx = true;
37 | for (String arg : args) {
38 | if (arg.charAt(0) == '-') {
39 | xlsx = arg.equals("-xlsx");
40 | } else {
41 | calendar.set(Calendar.YEAR, Integer.parseInt(arg));
42 | }
43 | }
44 | int year = calendar.get(Calendar.YEAR);
45 | Workbook wb = xlsx ? new XSSFWorkbook() : new HSSFWorkbook();
46 | // try (Workbook wb = xlsx ? new XSSFWorkbook() : new HSSFWorkbook()) {
47 | try {
48 |
49 | Map styles = createStyles(wb);
50 |
51 | for (int month = 0; month < 12; month++) {
52 | calendar.set(Calendar.MONTH, month);
53 | calendar.set(Calendar.DAY_OF_MONTH, 1);
54 | //create a sheet for each month
55 | Sheet sheet = wb.createSheet(months[month]);
56 |
57 | //turn off gridlines
58 | sheet.setDisplayGridlines(false);
59 | sheet.setPrintGridlines(false);
60 | sheet.setFitToPage(true);
61 | sheet.setHorizontallyCenter(true);
62 | PrintSetup printSetup = sheet.getPrintSetup();
63 | printSetup.setLandscape(true);
64 |
65 | //the following three statements are required only for HSSF
66 | sheet.setAutobreaks(true);
67 | printSetup.setFitHeight((short) 1);
68 | printSetup.setFitWidth((short) 1);
69 |
70 | //the header row: centered text in 48pt font
71 | Row headerRow = sheet.createRow(0);
72 | headerRow.setHeightInPoints(80);
73 | Cell titleCell = headerRow.createCell(0);
74 | titleCell.setCellValue(months[month] + " " + year);
75 | titleCell.setCellStyle(styles.get("title"));
76 | sheet.addMergedRegion(CellRangeAddress.valueOf("$A$1:$N$1"));
77 |
78 | //header with month titles
79 | Row monthRow = sheet.createRow(1);
80 | for (int i = 0; i < days.length; i++) {
81 | //set column widths, the width is measured in units of 1/256th of a character width
82 | sheet.setColumnWidth(i * 2, 5 * 256); //the column is 5 characters wide
83 | sheet.setColumnWidth(i * 2 + 1, 13 * 256); //the column is 13 characters wide
84 | sheet.addMergedRegion(new CellRangeAddress(1, 1, i * 2, i * 2 + 1));
85 | Cell monthCell = monthRow.createCell(i * 2);
86 | monthCell.setCellValue(days[i]);
87 | monthCell.setCellStyle(styles.get("month"));
88 | }
89 |
90 | int cnt = 1, day = 1;
91 | int rownum = 2;
92 | for (int j = 0; j < 6; j++) {
93 | Row row = sheet.createRow(rownum++);
94 | row.setHeightInPoints(100);
95 | for (int i = 0; i < days.length; i++) {
96 | Cell dayCell_1 = row.createCell(i * 2);
97 | Cell dayCell_2 = row.createCell(i * 2 + 1);
98 |
99 | int day_of_week = calendar.get(Calendar.DAY_OF_WEEK);
100 | if (cnt >= day_of_week && calendar.get(Calendar.MONTH) == month) {
101 | dayCell_1.setCellValue(day);
102 | calendar.set(Calendar.DAY_OF_MONTH, ++day);
103 |
104 | if (i == 0 || i == days.length - 1) {
105 | dayCell_1.setCellStyle(styles.get("weekend_left"));
106 | dayCell_2.setCellStyle(styles.get("weekend_right"));
107 | } else {
108 | dayCell_1.setCellStyle(styles.get("workday_left"));
109 | dayCell_2.setCellStyle(styles.get("workday_right"));
110 | }
111 | } else {
112 | dayCell_1.setCellStyle(styles.get("grey_left"));
113 | dayCell_2.setCellStyle(styles.get("grey_right"));
114 | }
115 | cnt++;
116 | }
117 | if (calendar.get(Calendar.MONTH) > month) break;
118 | }
119 | }
120 |
121 | // Write the output to a file
122 | String file = "calendar.xls";
123 | if (wb instanceof XSSFWorkbook) file += "x";
124 |
125 | try (FileOutputStream out = new FileOutputStream(file)) {
126 | wb.write(out);
127 | }
128 | }catch (Exception e){
129 | e.printStackTrace();
130 | }
131 | }
132 |
133 | /**
134 | * cell styles used for formatting calendar sheets
135 | */
136 | private static Map createStyles(Workbook wb){
137 | Map styles = new HashMap<>();
138 |
139 | short borderColor = IndexedColors.GREY_50_PERCENT.getIndex();
140 |
141 | CellStyle style;
142 | Font titleFont = wb.createFont();
143 | titleFont.setFontHeightInPoints((short)48);
144 | titleFont.setColor(IndexedColors.DARK_BLUE.getIndex());
145 | style = wb.createCellStyle();
146 | // style.setAlignment(HorizontalAlignment.CENTER);
147 | // style.setVerticalAlignment(VerticalAlignment.CENTER);
148 | style.setFont(titleFont);
149 | styles.put("title", style);
150 |
151 | Font monthFont = wb.createFont();
152 | monthFont.setFontHeightInPoints((short)12);
153 | monthFont.setColor(IndexedColors.WHITE.getIndex());
154 | // monthFont.setBold(true);
155 | style = wb.createCellStyle();
156 | // style.setAlignment(HorizontalAlignment.CENTER);
157 | // style.setVerticalAlignment(VerticalAlignment.CENTER);
158 | style.setFillForegroundColor(IndexedColors.DARK_BLUE.getIndex());
159 | // style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
160 | style.setFont(monthFont);
161 | styles.put("month", style);
162 |
163 | Font dayFont = wb.createFont();
164 | dayFont.setFontHeightInPoints((short)14);
165 | // dayFont.setBold(true);
166 | style = wb.createCellStyle();
167 | // style.setAlignment(HorizontalAlignment.LEFT);
168 | // style.setVerticalAlignment(VerticalAlignment.TOP);
169 | style.setFillForegroundColor(IndexedColors.LIGHT_CORNFLOWER_BLUE.getIndex());
170 | // style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
171 | // style.setBorderLeft(BorderStyle.THIN);
172 | style.setLeftBorderColor(borderColor);
173 | // style.setBorderBottom(BorderStyle.THIN);
174 | style.setBottomBorderColor(borderColor);
175 | style.setFont(dayFont);
176 | styles.put("weekend_left", style);
177 |
178 | style = wb.createCellStyle();
179 | // style.setAlignment(HorizontalAlignment.CENTER);
180 | // style.setVerticalAlignment(VerticalAlignment.TOP);
181 | style.setFillForegroundColor(IndexedColors.LIGHT_CORNFLOWER_BLUE.getIndex());
182 | // style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
183 | // style.setBorderRight(BorderStyle.THIN);
184 | style.setRightBorderColor(borderColor);
185 | // style.setBorderBottom(BorderStyle.THIN);
186 | style.setBottomBorderColor(borderColor);
187 | styles.put("weekend_right", style);
188 |
189 | style = wb.createCellStyle();
190 | // style.setAlignment(HorizontalAlignment.LEFT);
191 | // style.setVerticalAlignment(VerticalAlignment.TOP);
192 | // style.setBorderLeft(BorderStyle.THIN);
193 | style.setFillForegroundColor(IndexedColors.WHITE.getIndex());
194 | // style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
195 | style.setLeftBorderColor(borderColor);
196 | // style.setBorderBottom(BorderStyle.THIN);
197 | style.setBottomBorderColor(borderColor);
198 | style.setFont(dayFont);
199 | styles.put("workday_left", style);
200 |
201 | style = wb.createCellStyle();
202 | // style.setAlignment(HorizontalAlignment.CENTER);
203 | // style.setVerticalAlignment(VerticalAlignment.TOP);
204 | style.setFillForegroundColor(IndexedColors.WHITE.getIndex());
205 | // style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
206 | // style.setBorderRight(BorderStyle.THIN);
207 | style.setRightBorderColor(borderColor);
208 | // style.setBorderBottom(BorderStyle.THIN);
209 | style.setBottomBorderColor(borderColor);
210 | styles.put("workday_right", style);
211 |
212 | style = wb.createCellStyle();
213 | // style.setBorderLeft(BorderStyle.THIN);
214 | style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
215 | // style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
216 | // style.setBorderBottom(BorderStyle.THIN);
217 | style.setBottomBorderColor(borderColor);
218 | styles.put("grey_left", style);
219 |
220 | style = wb.createCellStyle();
221 | style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
222 | // style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
223 | // style.setBorderRight(BorderStyle.THIN);
224 | style.setRightBorderColor(borderColor);
225 | // style.setBorderBottom(BorderStyle.THIN);
226 | style.setBottomBorderColor(borderColor);
227 | styles.put("grey_right", style);
228 |
229 | return styles;
230 | }
231 | }
--------------------------------------------------------------------------------
/src/test/java/t5750/poi/TestAll.java:
--------------------------------------------------------------------------------
1 | package t5750.poi;
2 |
3 | import org.apache.poi.ss.examples.CalendarDemo;
4 |
5 | import t5750.poi.export.TestExcelFormulaDemo;
6 | import t5750.poi.export.TestExcelStylingDemo;
7 | import t5750.poi.export.TestExportExcel2007;
8 | import t5750.poi.export.TestWriteExcelDemo;
9 | import t5750.poi.read.TestReadExcelDemo;
10 | import t5750.poi.replace.TestExcelReplace;
11 | import t5750.poi.template.TestTemplate;
12 |
13 | public class TestAll {
14 | public static void main(String[] args) throws Exception {
15 | TestExportExcel2007.main(args);
16 | System.out.println();
17 | TestTemplate.main(args);
18 | System.out.println();
19 | TestExcelReplace.main(args);
20 | System.out.println();
21 | TestWriteExcelDemo.main(args);
22 | System.out.println();
23 | TestReadExcelDemo.main(args);
24 | System.out.println();
25 | TestExcelFormulaDemo.main(args);
26 | System.out.println();
27 | TestExcelStylingDemo.main(args);
28 | System.out.println();
29 | CalendarDemo.main(args);
30 | }
31 | }
32 |
--------------------------------------------------------------------------------
/src/test/java/t5750/poi/TestHutoolPoi.java:
--------------------------------------------------------------------------------
1 | package t5750.poi;
2 |
3 | import java.util.List;
4 | import java.util.Map;
5 |
6 | import org.junit.Test;
7 |
8 | import cn.hutool.core.collection.CollUtil;
9 | import cn.hutool.core.date.DateUtil;
10 | import cn.hutool.core.lang.Console;
11 | import cn.hutool.poi.excel.BigExcelWriter;
12 | import cn.hutool.poi.excel.ExcelReader;
13 | import cn.hutool.poi.excel.ExcelUtil;
14 | import cn.hutool.poi.excel.sax.Excel07SaxReader;
15 | import cn.hutool.poi.excel.sax.handler.RowHandler;
16 |
17 | public class TestHutoolPoi {
18 | public static final String FILE_PATH = "D:/TestHutoolPoi.xlsx";
19 |
20 | /**
21 | * Excel大数据生成-BigExcelWriter
23 | */
24 | @Test
25 | public void testBigExcelWriter() {
26 | List row1 = CollUtil.newArrayList("aa", "bb", "cc", "dd",
27 | DateUtil.date(), 3.22676575765);
28 | List row2 = CollUtil.newArrayList("aa1", "bb1", "cc1", "dd1",
29 | DateUtil.date(), 250.7676);
30 | List row3 = CollUtil.newArrayList("aa2", "bb2", "cc2", "dd2",
31 | DateUtil.date(), 0.111);
32 | List row4 = CollUtil.newArrayList("aa3", "bb3", "cc3", "dd3",
33 | DateUtil.date(), 35);
34 | List row5 = CollUtil.newArrayList("aa4", "bb4", "cc4", "dd4",
35 | DateUtil.date(), 28.00);
36 | List> rows = CollUtil.newArrayList(row1, row2, row3, row4,
37 | row5);
38 | BigExcelWriter writer = ExcelUtil.getBigWriter(FILE_PATH);
39 | // 一次性写出内容，使用默认样式
40 | writer.write(rows);
41 | // 关闭writer，释放内存
42 | writer.close();
43 | }
44 |
45 | /**
46 | * Excel读取-ExcelReader
48 | */
49 | @Test
50 | public void testExcelReader() {
51 | ExcelReader reader = ExcelUtil.getReader(FILE_PATH);
52 | // 1.读取Excel中所有行和列，用二维列表表示
53 | List> readAllList = reader.read();
54 | System.out.println(readAllList);
55 | List> readAllMap = reader.readAll();
56 | // 2.读取为Map列表，默认第一行为标题行，数据从第二行开始，一个Map表示一行，Map中的key为标题，value为标题对应的单元格值
57 | System.out.println(readAllMap);
58 | // 3.读取为Bean列表，Bean中的字段名为标题，字段值为标题对应的单元格值
59 | // List all = reader.readAll(Person.class);
60 | }
61 |
62 | /**
63 | * 流方式读取Excel2007-Excel07SaxReader
65 | */
66 | @Test
67 | public void testExcel07SaxReader() {
68 | ExcelUtil.readBySax(FILE_PATH, "sheet1", createRowHandler());
69 | // reader方法的第二个参数是sheet的序号，-1表示读取所有sheet，0表示第一个sheet
70 | Excel07SaxReader reader = new Excel07SaxReader(createRowHandler());
71 | Excel07SaxReader excel07SaxReader = reader.read(FILE_PATH, 0);
72 | }
73 |
74 | private RowHandler createRowHandler() {
75 | return new RowHandler() {
76 | @Override
77 | public void handle(int sheetIndex, long rowIndex,
78 | List