Commit f78fc6a6b62703ff58a23e80d29cba35f41b8592
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4ce30fea
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master
1.提交Excel文件生成代码优化
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5 changed files
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99 additions
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29 deletions
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build.gradle
... | ... | @@ -0,0 +1,43 @@ |
1 | +package com.taover.util; | |
2 | + | |
3 | +import java.util.Map; | |
4 | +import java.util.concurrent.ConcurrentHashMap; | |
5 | + | |
6 | + | |
7 | +public enum BasicType { | |
8 | + BYTE, SHORT, INT, INTEGER, LONG, DOUBLE, FLOAT, BOOLEAN, CHAR, CHARACTER, STRING; | |
9 | + | |
10 | + public static final Map<Class<?>, Class<?>> wrapperPrimitiveMap = new ConcurrentHashMap<>(8); | |
11 | + public static final Map<Class<?>, Class<?>> primitiveWrapperMap = new ConcurrentHashMap<>(8); | |
12 | + | |
13 | + static { | |
14 | + wrapperPrimitiveMap.put(Boolean.class, boolean.class); | |
15 | + wrapperPrimitiveMap.put(Byte.class, byte.class); | |
16 | + wrapperPrimitiveMap.put(Character.class, char.class); | |
17 | + wrapperPrimitiveMap.put(Double.class, double.class); | |
18 | + wrapperPrimitiveMap.put(Float.class, float.class); | |
19 | + wrapperPrimitiveMap.put(Integer.class, int.class); | |
20 | + wrapperPrimitiveMap.put(Long.class, long.class); | |
21 | + wrapperPrimitiveMap.put(Short.class, short.class); | |
22 | + | |
23 | + for (Map.Entry<Class<?>, Class<?>> entry : wrapperPrimitiveMap.entrySet()) { | |
24 | + primitiveWrapperMap.put(entry.getValue(), entry.getKey()); | |
25 | + } | |
26 | + } | |
27 | + | |
28 | + public static Class<?> wrap(Class<?> clazz){ | |
29 | + if(null == clazz || false == clazz.isPrimitive()){ | |
30 | + return clazz; | |
31 | + } | |
32 | + Class<?> result = primitiveWrapperMap.get(clazz); | |
33 | + return (null == result) ? clazz : result; | |
34 | + } | |
35 | + | |
36 | + public static Class<?> unWrap(Class<?> clazz){ | |
37 | + if(null == clazz || clazz.isPrimitive()){ | |
38 | + return clazz; | |
39 | + } | |
40 | + Class<?> result = wrapperPrimitiveMap.get(clazz); | |
41 | + return (null == result) ? clazz : result; | |
42 | + } | |
43 | +} | ... | ... |
... | ... | @@ -0,0 +1,22 @@ |
1 | +package com.taover.util; | |
2 | + | |
3 | +/** | |
4 | + * 从HuTool那里COPY过来的 | |
5 | + * @author Administrator | |
6 | + * | |
7 | + */ | |
8 | +public class ClassUtil { | |
9 | + public static boolean isPrimitiveWrapper(Class<?> clazz) { | |
10 | + if (null == clazz) { | |
11 | + return false; | |
12 | + } | |
13 | + return BasicType.wrapperPrimitiveMap.containsKey(clazz); | |
14 | + } | |
15 | + | |
16 | + public static boolean isBasicType(Class<?> clazz) { | |
17 | + if (null == clazz) { | |
18 | + return false; | |
19 | + } | |
20 | + return (clazz.isPrimitive() || isPrimitiveWrapper(clazz)); | |
21 | + } | |
22 | +} | |
0 | 23 | \ No newline at end of file | ... | ... |
src/main/java/com/taover/util/UtilExcel.java
... | ... | @@ -133,15 +133,7 @@ public class UtilExcel { |
133 | 133 | for(int j=0; j<dataRow.size(); ++j){ |
134 | 134 | Cell cell = row.createCell(j); |
135 | 135 | Object dataCell = dataRow.get(j); |
136 | - if(dataCell != null){ | |
137 | - if(dataCell.getClass().isPrimitive()){ | |
138 | - cell.setCellValue(Double.valueOf(dataCell.toString())); | |
139 | - }else if(dataCell.getClass().getSimpleName().equals("Date")){ | |
140 | - cell.setCellValue((Date)dataCell); | |
141 | - }else{ | |
142 | - cell.setCellValue(dataCell.toString()); | |
143 | - } | |
144 | - } | |
136 | + setCellValue(cell, dataCell); | |
145 | 137 | } |
146 | 138 | } |
147 | 139 | } |
... | ... | @@ -167,6 +159,17 @@ public class UtilExcel { |
167 | 159 | } |
168 | 160 | } |
169 | 161 | |
162 | + private static void setCellValue(Cell cell, Object data) { | |
163 | + if(data != null){ | |
164 | + if(ClassUtil.isBasicType(data.getClass())){ | |
165 | + cell.setCellValue(Double.valueOf(data.toString())); | |
166 | + }else if(data.getClass().getSimpleName().equals("Date")){ | |
167 | + cell.setCellValue((Date)data); | |
168 | + }else{ | |
169 | + cell.setCellValue(data.toString()); | |
170 | + } | |
171 | + } | |
172 | + } | |
170 | 173 | |
171 | 174 | /** |
172 | 175 | * 创建并保存excel表 sheet |
... | ... | @@ -191,15 +194,7 @@ public class UtilExcel { |
191 | 194 | for(int k=0; k<dataRow.size(); ++k){ |
192 | 195 | Cell cell = row.createCell(k); |
193 | 196 | Object dataCell = dataRow.get(k); |
194 | - if(dataCell != null){ | |
195 | - if(dataCell.getClass().isPrimitive()){ | |
196 | - cell.setCellValue(Double.valueOf(dataCell.toString())); | |
197 | - }else if(dataCell.getClass().getSimpleName().equals("Date")){ | |
198 | - cell.setCellValue((Date)dataCell); | |
199 | - }else{ | |
200 | - cell.setCellValue(dataCell.toString()); | |
201 | - } | |
202 | - } | |
197 | + setCellValue(cell, dataCell); | |
203 | 198 | } |
204 | 199 | } |
205 | 200 | } |
... | ... | @@ -254,15 +249,7 @@ public class UtilExcel { |
254 | 249 | for(int j=0; j<dataRow.size(); ++j){ |
255 | 250 | Cell cell = row.createCell(j); |
256 | 251 | Object dataCell = dataRow.get(j); |
257 | - if(dataCell != null){ | |
258 | - if(dataCell.getClass().isPrimitive()){ | |
259 | - cell.setCellValue(Double.valueOf(dataCell.toString())); | |
260 | - }else if(dataCell.getClass().getSimpleName().equals("Date")){ | |
261 | - cell.setCellValue((Date)dataCell); | |
262 | - }else{ | |
263 | - cell.setCellValue(dataCell.toString()); | |
264 | - } | |
265 | - } | |
252 | + setCellValue(cell, dataCell); | |
266 | 253 | if(backColor != null){ |
267 | 254 | cell.setCellStyle(style); |
268 | 255 | } | ... | ... |
src/test/java/TempExcel.java
1 | 1 | import java.io.File; |
2 | 2 | import java.util.ArrayList; |
3 | +import java.util.Collections; | |
4 | +import java.util.Date; | |
3 | 5 | import java.util.HashMap; |
4 | 6 | import java.util.Iterator; |
5 | 7 | import java.util.List; |
... | ... | @@ -9,7 +11,23 @@ import com.taover.util.UtilExcel; |
9 | 11 | |
10 | 12 | public class TempExcel { |
11 | 13 | public static void main(String[] args){ |
12 | - checkExcelError(); | |
14 | + //checkExcelError(); | |
15 | + saveExcel(); | |
16 | + } | |
17 | + | |
18 | + public static void saveExcel() { | |
19 | + List<List<Object>> data = new ArrayList<List<Object>>(); | |
20 | + data.add(Collections.singletonList(123)); | |
21 | + data.add(Collections.singletonList(123.222)); | |
22 | + data.add(Collections.singletonList(1232223234234234L)); | |
23 | + data.add(Collections.singletonList("123")); | |
24 | + data.add(Collections.singletonList("1232223234234234")); | |
25 | + data.add(Collections.singletonList(new Date())); | |
26 | + try { | |
27 | + UtilExcel.saveExcel("data", data, "C:\\Users\\Administrator\\Desktop\\1234.xlsx"); | |
28 | + } catch (Exception e) { | |
29 | + e.printStackTrace(); | |
30 | + } | |
13 | 31 | } |
14 | 32 | |
15 | 33 | public static void checkExcelError() { | ... | ... |