optimized

王彬
1 parent d6bcd831
Showing 1 changed file with 71 additions and 0 deletions Show diff stats
src/test/java/com/taover/easyexcel/test/WbTest.java
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+package com.taover.easyexcel.test;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import com.taover.easyexcel.EasyExcel;
+
+public class WbTest {
+	public static void main(String[] args) {
+		File dataFile = new File("C:\\Users\\Administrator\\Desktop\\Excel隐藏行\\配送确认1.16(1).xlsx");
+		List<List<Object>> data = transListMapTo2List(EasyExcel.read(dataFile).readHiddenRow(false).headRowNumber(0).doReadSelectedSync());
+		for(List<Object> row: data) {
+			for(Object item: row) {
+				System.out.print(item+":");
+			}
+			System.out.println();
+		}
+	}
+	
+	private static List<List<Object>> transListMapTo2List(List<Object> listMapData) {
+		List<List<Object>> data = new ArrayList<List<Object>>();
+		if(listMapData == null) {
+			return data;
+		}
+		for(Object item: listMapData) {
+			data.add(transMapToList((Map<Integer, Object>) item));
+		}
+		return data;
+	}
+	
+	private static List<Object> transMapToList(Map<Integer, Object> cellData) {
+		List<Object> data = new ArrayList<Object>((int)(cellData.size()*1.5));
+		if(cellData == null || cellData.isEmpty()) {
+			return data;
+		}
+		
+		//获取最大索引
+		int maxIndex = 0;
+		for(Entry<Integer, Object> item: cellData.entrySet()) {
+			if(item.getKey() > maxIndex && item.getValue()!=null && !"".equals(item.getValue())) {
+				maxIndex = item.getKey();
+			}
+		}
+
+		//设置元素并填入空串
+		fillBlankToList(data, maxIndex+1);
+		
+		//置入元素
+		int dataSize = data.size();
+		for(Entry<Integer, Object> item: cellData.entrySet()) {
+			if(item.getKey() >= dataSize) {
+				continue;
+			}
+			if(item.getValue() == null) {
+				data.set(item.getKey(), "");	
+			}else {
+				data.set(item.getKey(), item.getValue());	
+			}			
+		}
+		return data;
+	}
+	
+	private static void fillBlankToList(List<Object> data, int blankNumber) {
+		for(int i=0; i<blankNumber; ++i) {
+			data.add("");
+		}
+	}
+}
@@ -0,0 +1,71 @@		@@ -0,0 +1,71 @@
	1	+package com.taover.easyexcel.test;
	2	+
	3	+import java.io.File;
	4	+import java.util.ArrayList;
	5	+import java.util.List;
	6	+import java.util.Map;
	7	+import java.util.Map.Entry;
	8	+
	9	+import com.taover.easyexcel.EasyExcel;
	10	+
	11	+public class WbTest {
	12	+ public static void main(String[] args) {
	13	+ File dataFile = new File("C:\\Users\\Administrator\\Desktop\\Excel隐藏行\\配送确认1.16(1).xlsx");
	14	+ List<List<Object>> data = transListMapTo2List(EasyExcel.read(dataFile).readHiddenRow(false).headRowNumber(0).doReadSelectedSync());
	15	+ for(List<Object> row: data) {
	16	+ for(Object item: row) {
	17	+ System.out.print(item+":");
	18	+ }
	19	+ System.out.println();
	20	+ }
	21	+ }
	22	+
	23	+ private static List<List<Object>> transListMapTo2List(List<Object> listMapData) {
	24	+ List<List<Object>> data = new ArrayList<List<Object>>();
	25	+ if(listMapData == null) {
	26	+ return data;
	27	+ }
	28	+ for(Object item: listMapData) {
	29	+ data.add(transMapToList((Map<Integer, Object>) item));
	30	+ }
	31	+ return data;
	32	+ }
	33	+
	34	+ private static List<Object> transMapToList(Map<Integer, Object> cellData) {
	35	+ List<Object> data = new ArrayList<Object>((int)(cellData.size()*1.5));
	36	+ if(cellData == null \|\| cellData.isEmpty()) {
	37	+ return data;
	38	+ }
	39	+
	40	+ //获取最大索引
	41	+ int maxIndex = 0;
	42	+ for(Entry<Integer, Object> item: cellData.entrySet()) {
	43	+ if(item.getKey() > maxIndex && item.getValue()!=null && !"".equals(item.getValue())) {
	44	+ maxIndex = item.getKey();
	45	+ }
	46	+ }
	47	+
	48	+ //设置元素并填入空串
	49	+ fillBlankToList(data, maxIndex+1);
	50	+
	51	+ //置入元素
	52	+ int dataSize = data.size();
	53	+ for(Entry<Integer, Object> item: cellData.entrySet()) {
	54	+ if(item.getKey() >= dataSize) {
	55	+ continue;
	56	+ }
	57	+ if(item.getValue() == null) {
	58	+ data.set(item.getKey(), "");
	59	+ }else {
	60	+ data.set(item.getKey(), item.getValue());
	61	+ }
	62	+ }
	63	+ return data;
	64	+ }
	65	+
	66	+ private static void fillBlankToList(List<Object> data, int blankNumber) {
	67	+ for(int i=0; i<blankNumber; ++i) {
	68	+ data.add("");
	69	+ }
	70	+ }
	71	+}