Merge pull request #3875 from alibaba/bugfix

新增csv样例

easyexcel-test/src/test/java/com/alibaba/easyexcel/test/demo/read/ReadTest.java

@@ -16,6 +16,7 @@ import com.alibaba.excel.enums.CellExtraTypeEnum;
 import com.alibaba.excel.read.listener.PageReadListener;
 import com.alibaba.excel.read.listener.ReadListener;
 import com.alibaba.excel.read.metadata.ReadSheet;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadWorkbookHolder;
 import com.alibaba.excel.util.ListUtils;
 import com.alibaba.fastjson2.JSON;
 
@@ -309,4 +310,28 @@ public class ReadTest {
         // 这里 只要，然后读取第一个sheet 同步读取会自动finish
         EasyExcel.read(fileName, new NoModelDataListener()).sheet().doRead();
     }
+
+    /**
+     * 自定义修改csv配置
+     */
+    @Test
+    public void csvFormat() {
+        String fileName = TestFileUtil.getPath() + "demo" + File.separator + "demo.csv";
+        try (ExcelReader excelReader = EasyExcel.read(fileName, DemoData.class, new DemoDataListener()).build()) {
+            // 判断是 csv 文件
+            if (excelReader.analysisContext().readWorkbookHolder() instanceof CsvReadWorkbookHolder) {
+                CsvReadWorkbookHolder csvReadWorkbookHolder = (CsvReadWorkbookHolder)excelReader.analysisContext()
+                    .readWorkbookHolder();
+                // 设置成逗号分隔 当然默认也是逗号分隔
+                // 这里要注意 withDelimiter 会重新生成一个 所以要放回去
+                csvReadWorkbookHolder.setCsvFormat(csvReadWorkbookHolder.getCsvFormat().withDelimiter(','));
+            }
+
+            // 拿到所有 sheet
+            List<ReadSheet> readSheetList = excelReader.excelExecutor().sheetList();
+            // 如果只想读取第一个 咋样传入参数即可
+            //ReadSheet readSheet = EasyExcel.readSheet(0).build();
+            excelReader.read(readSheetList);
+        }
+    }
 }

easyexcel-test/src/test/resources/demo/demo.csv

@@ -0,0 +1,11 @@
+字符串标题,日期标题,数字标题
+字符串0,2020-01-01 01:01:00,1
+字符串1,2020-01-02 01:01:00,2
+字符串2,2020-01-03 01:01:00,3
+字符串3,2020-01-04 01:01:00,4
+字符串4,2020-01-05 01:01:00,5
+字符串5,2020-01-06 01:01:00,6
+字符串6,2020-01-07 01:01:00,7
+字符串7,2020-01-08 01:01:00,8
+字符串8,2020-01-09 01:01:00,9
+字符串9,2020-01-10 01:01:00,10