修复无法根据文件流判断csv的bug [Issue #2297]

easyexcel-core/src/main/java/com/alibaba/excel/analysis/ExcelAnalyserImpl.java

@@ -18,6 +18,7 @@ import com.alibaba.excel.exception.ExcelAnalysisStopException;
 import com.alibaba.excel.read.metadata.ReadSheet;
 import com.alibaba.excel.read.metadata.ReadWorkbook;
 import com.alibaba.excel.read.metadata.holder.ReadWorkbookHolder;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadWorkbookHolder;
 import com.alibaba.excel.read.metadata.holder.xls.XlsReadWorkbookHolder;
 import com.alibaba.excel.read.metadata.holder.xlsx.XlsxReadWorkbookHolder;
 import com.alibaba.excel.support.ExcelTypeEnum;
@@ -171,6 +172,18 @@ public class ExcelAnalyserImpl implements ExcelAnalyser {
         } catch (Throwable t) {
             throwable = t;
         }
+
+        // close csv
+        // https://github.com/alibaba/easyexcel/issues/2309
+        try {
+            if ((readWorkbookHolder instanceof CsvReadWorkbookHolder)
+                && ((CsvReadWorkbookHolder)readWorkbookHolder).getCsvParser() != null) {
+                ((CsvReadWorkbookHolder)readWorkbookHolder).getCsvParser().close();
+            }
+        } catch (Throwable t) {
+            throwable = t;
+        }
+
         try {
             if (analysisContext.readWorkbookHolder().getAutoCloseStream()
                 && readWorkbookHolder.getInputStream() != null) {

easyexcel-core/src/main/java/com/alibaba/excel/analysis/csv/CsvExcelReadExecutor.java

@@ -25,6 +25,7 @@ import com.alibaba.excel.util.StringUtils;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections4.MapUtils;
 import org.apache.commons.csv.CSVFormat;
+import org.apache.commons.csv.CSVParser;
 import org.apache.commons.csv.CSVRecord;
 
 /**
@@ -53,9 +54,10 @@ public class CsvExcelReadExecutor implements ExcelReadExecutor {
 
     @Override
     public void execute() {
-        Iterable<CSVRecord> parseRecords;
+        CSVParser csvParser;
         try {
-            parseRecords = parseRecords();
+            csvParser = csvParser();
+            csvReadContext.csvReadWorkbookHolder().setCsvParser(csvParser);
         } catch (IOException e) {
             throw new ExcelAnalysisException(e);
         }
@@ -68,7 +70,7 @@ public class CsvExcelReadExecutor implements ExcelReadExecutor {
 
             int rowIndex = 0;
 
-            for (CSVRecord record : parseRecords) {
+            for (CSVRecord record : csvParser) {
                 dealRecord(record, rowIndex++);
             }
 
@@ -77,7 +79,7 @@ public class CsvExcelReadExecutor implements ExcelReadExecutor {
         }
     }
 
-    private Iterable<CSVRecord> parseRecords() throws IOException {
+    private CSVParser csvParser() throws IOException {
         CsvReadWorkbookHolder csvReadWorkbookHolder = csvReadContext.csvReadWorkbookHolder();
         CSVFormat csvFormat = csvReadWorkbookHolder.getCsvFormat();
 

easyexcel-core/src/main/java/com/alibaba/excel/read/metadata/holder/csv/CsvReadWorkbookHolder.java

@@ -8,6 +8,7 @@ import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import org.apache.commons.csv.CSVFormat;
+import org.apache.commons.csv.CSVParser;
 
 /**
  * Workbook holder
@@ -20,6 +21,8 @@ import org.apache.commons.csv.CSVFormat;
 public class CsvReadWorkbookHolder extends ReadWorkbookHolder {
 
     private CSVFormat csvFormat;
+    private CSVParser csvParser;
+
 
     public CsvReadWorkbookHolder(ReadWorkbook readWorkbook) {
         super(readWorkbook);

easyexcel-core/src/test/java/com/alibaba/easyexcel/test/temp/write/TempWriteData.java

@@ -8,7 +8,9 @@ import com.alibaba.excel.enums.BooleanEnum;
 import lombok.Data;
 
 @Data
+//@Accessors(chain = true)
 public class TempWriteData {
+    private String name1;
 
     @ExcelProperty("     换行\r\n \\ \r\n的名字")
     @HeadStyle(wrapped = BooleanEnum.TRUE)

easyexcel-core/src/test/java/com/alibaba/easyexcel/test/temp/write/TempWriteTest.java

@@ -1,13 +1,20 @@
 package com.alibaba.easyexcel.test.temp.write;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.util.BeanMapUtils;
 import com.alibaba.excel.util.ListUtils;
 
+import lombok.extern.slf4j.Slf4j;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.springframework.cglib.beans.BeanMap;
 
 @Ignore
+@Slf4j
 public class TempWriteTest {
 
     @Test
@@ -19,4 +26,24 @@ public class TempWriteTest {
             .sheet()
             .doWrite(ListUtils.newArrayList(tempWriteData));
     }
+
+    @Test
+    public void cglib() {
+        TempWriteData tempWriteData = new TempWriteData();
+        tempWriteData.setName("1");
+        tempWriteData.setName1("2");
+        BeanMap beanMap = BeanMapUtils.create(tempWriteData);
+
+        log.info("d1{}", beanMap.get("name"));
+        log.info("d2{}", beanMap.get("name1"));
+
+        TempWriteData tempWriteData2 = new TempWriteData();
+
+        Map<String, String> map = new HashMap<>();
+        map.put("name", "zs");
+        BeanMap beanMap2 = BeanMapUtils.create(tempWriteData2);
+        beanMap2.putAll(map);
+        log.info("3{}", tempWriteData2.getName());
+
+    }
 }

update.md

@@ -2,6 +2,8 @@
 * 支持jdk17,去除cglib&asm依赖，改成重新拷贝一份 [Issue #2240](https://github.com/alibaba/easyexcel/issues/2240)
 * 在有样式没有数据的情况下也算空行 [Issue #2294](https://github.com/alibaba/easyexcel/issues/2294)
 * 修复无法根据文件流判断csv的bug [Issue #2297](https://github.com/alibaba/easyexcel/issues/2297)
+* 修复CSV不关闭流的bug [Issue #2309](https://github.com/alibaba/easyexcel/issues/2309)
+
 
 # 3.0.5
 * 修复`ReadListener` 转换异常不抛出的问题