完成csv 书写

src/main/java/com/alibaba/excel/analysis/ExcelAnalyserImpl.java

@@ -3,18 +3,12 @@ package com.alibaba.excel.analysis;
 import java.io.InputStream;
 import java.util.List;
 
-import org.apache.commons.collections4.CollectionUtils;
+import com.alibaba.excel.analysis.csv.CsvExcelReadExecutor;
-import org.apache.poi.hssf.record.crypto.Biff8EncryptionKey;
-import org.apache.poi.poifs.crypt.Decryptor;
-import org.apache.poi.poifs.filesystem.DocumentFactoryHelper;
-import org.apache.poi.poifs.filesystem.POIFSFileSystem;
-import org.apache.poi.util.IOUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import com.alibaba.excel.analysis.v03.XlsSaxAnalyser;
 import com.alibaba.excel.analysis.v07.XlsxSaxAnalyser;
 import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.context.csv.CsvReadContext;
+import com.alibaba.excel.context.csv.DefaultCsvReadContext;
 import com.alibaba.excel.context.xls.DefaultXlsReadContext;
 import com.alibaba.excel.context.xls.XlsReadContext;
 import com.alibaba.excel.context.xlsx.DefaultXlsxReadContext;
@@ -32,6 +26,15 @@ import com.alibaba.excel.util.FileUtils;
 import com.alibaba.excel.util.NumberDataFormatterUtils;
 import com.alibaba.excel.util.StringUtils;
 
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.poi.hssf.record.crypto.Biff8EncryptionKey;
+import org.apache.poi.poifs.crypt.Decryptor;
+import org.apache.poi.poifs.filesystem.DocumentFactoryHelper;
+import org.apache.poi.poifs.filesystem.POIFSFileSystem;
+import org.apache.poi.util.IOUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
  * @author jipengfei
  */
@@ -98,6 +101,11 @@ public class ExcelAnalyserImpl implements ExcelAnalyser {
                 analysisContext = xlsxReadContext;
                 excelReadExecutor = new XlsxSaxAnalyser(xlsxReadContext, null);
                 break;
+            case CSV:
+                CsvReadContext csvReadContext = new DefaultCsvReadContext(readWorkbook, ExcelTypeEnum.CSV);
+                analysisContext = csvReadContext;
+                excelReadExecutor = new CsvExcelReadExecutor(csvReadContext);
+                break;
             default:
                 break;
         }

src/main/java/com/alibaba/excel/analysis/csv/CsvExcelReadExecutor.java

@@ -0,0 +1,112 @@
+package com.alibaba.excel.analysis.csv;
+
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import com.alibaba.excel.analysis.ExcelReadExecutor;
+import com.alibaba.excel.context.csv.CsvReadContext;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.enums.RowTypeEnum;
+import com.alibaba.excel.exception.ExcelAnalysisException;
+import com.alibaba.excel.metadata.Cell;
+import com.alibaba.excel.metadata.data.ReadCellData;
+import com.alibaba.excel.read.metadata.ReadSheet;
+import com.alibaba.excel.read.metadata.holder.ReadRowHolder;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadWorkbookHolder;
+import com.alibaba.excel.util.SheetUtils;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections4.MapUtils;
+import org.apache.commons.csv.CSVFormat;
+import org.apache.commons.csv.CSVRecord;
+
+/**
+ * azz
+ *
+ * @author zhuangjiaju
+ */
+@Slf4j
+public class CsvExcelReadExecutor implements ExcelReadExecutor {
+
+    private List<ReadSheet> sheetList;
+    private CsvReadContext csvReadContext;
+
+    public CsvExcelReadExecutor(CsvReadContext csvReadContext) {
+        this.csvReadContext = csvReadContext;
+        sheetList = new ArrayList<>();
+        ReadSheet readSheet = new ReadSheet();
+        sheetList.add(readSheet);
+        readSheet.setSheetNo(0);
+    }
+
+    @Override
+    public List<ReadSheet> sheetList() {
+        return sheetList;
+    }
+
+    @Override
+    public void execute() {
+        Iterable<CSVRecord> parseRecords;
+        try {
+            parseRecords = parseRecords();
+        } catch (IOException e) {
+            throw new ExcelAnalysisException(e);
+        }
+        for (ReadSheet readSheet : sheetList) {
+            readSheet = SheetUtils.match(readSheet, csvReadContext);
+            if (readSheet == null) {
+                continue;
+            }
+            csvReadContext.currentSheet(readSheet);
+
+            int rowIndex = 0;
+            for (CSVRecord record : parseRecords) {
+
+                dealRecord(record, rowIndex++);
+            }
+            // The last sheet is read
+            csvReadContext.analysisEventProcessor().endSheet(csvReadContext);
+        }
+    }
+
+    private Iterable<CSVRecord> parseRecords() throws IOException {
+        CsvReadWorkbookHolder csvReadWorkbookHolder = csvReadContext.csvReadWorkbookHolder();
+        CSVFormat csvFormat = csvReadWorkbookHolder.getCsvFormat();
+
+        if (csvReadWorkbookHolder.getMandatoryUseInputStream()) {
+            return csvFormat.parse(new InputStreamReader(csvReadWorkbookHolder.getInputStream()));
+        }
+        if (csvReadWorkbookHolder.getFile() != null) {
+            return csvFormat.parse(new FileReader(csvReadWorkbookHolder.getFile()));
+        }
+        return csvFormat.parse(new InputStreamReader(csvReadWorkbookHolder.getInputStream()));
+    }
+
+    private void dealRecord(CSVRecord record, int rowIndex) {
+        Map<Integer, Cell> cellMap = new LinkedHashMap<>();
+        Iterator<String> cellIterator = record.iterator();
+        int cellIndex = 0;
+        while (cellIterator.hasNext()) {
+            String cellString = cellIterator.next();
+            ReadCellData<String> readCellData = new ReadCellData<>();
+            readCellData.setType(CellDataTypeEnum.STRING);
+            readCellData.setStringValue(cellString);
+            cellMap.put(cellIndex++, readCellData);
+        }
+
+        RowTypeEnum rowType = MapUtils.isEmpty(cellMap) ? RowTypeEnum.EMPTY : RowTypeEnum.DATA;
+        ReadRowHolder readRowHolder = new ReadRowHolder(rowIndex, rowType,
+            csvReadContext.readWorkbookHolder().getGlobalConfiguration(), cellMap);
+        csvReadContext.readRowHolder(readRowHolder);
+
+        csvReadContext.csvReadSheetHolder().setCellMap(cellMap);
+        csvReadContext.csvReadSheetHolder().setRowIndex(rowIndex);
+        csvReadContext.analysisEventProcessor().endRow(csvReadContext);
+    }
+}

src/main/java/com/alibaba/excel/context/AnalysisContextImpl.java

@@ -10,6 +10,8 @@ import com.alibaba.excel.read.metadata.holder.ReadHolder;
 import com.alibaba.excel.read.metadata.holder.ReadRowHolder;
 import com.alibaba.excel.read.metadata.holder.ReadSheetHolder;
 import com.alibaba.excel.read.metadata.holder.ReadWorkbookHolder;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadSheetHolder;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadWorkbookHolder;
 import com.alibaba.excel.read.metadata.holder.xls.XlsReadSheetHolder;
 import com.alibaba.excel.read.metadata.holder.xls.XlsReadWorkbookHolder;
 import com.alibaba.excel.read.metadata.holder.xlsx.XlsxReadSheetHolder;
@@ -57,6 +59,9 @@ public class AnalysisContextImpl implements AnalysisContext {
             case XLSX:
                 readWorkbookHolder = new XlsxReadWorkbookHolder(readWorkbook);
                 break;
+            case CSV:
+                readWorkbookHolder = new CsvReadWorkbookHolder(readWorkbook);
+                break;
             default:
                 break;
         }
@@ -76,6 +81,9 @@ public class AnalysisContextImpl implements AnalysisContext {
             case XLSX:
                 readSheetHolder = new XlsxReadSheetHolder(readSheet, readWorkbookHolder);
                 break;
+            case CSV:
+                readSheetHolder = new CsvReadSheetHolder(readSheet, readWorkbookHolder);
+                break;
             default:
                 break;
         }
@@ -134,7 +142,6 @@ public class AnalysisContextImpl implements AnalysisContext {
 
     }
 
-
     @Override
     public ExcelTypeEnum getExcelType() {
         return readWorkbookHolder.getExcelType();

src/main/java/com/alibaba/excel/context/csv/CsvReadContext.java

@@ -0,0 +1,26 @@
+package com.alibaba.excel.context.csv;
+
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadSheetHolder;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadWorkbookHolder;
+
+/**
+ * A context is the main anchorage point of a ls xls reader.
+ *
+ * @author Jiaju Zhuang
+ **/
+public interface CsvReadContext extends AnalysisContext {
+    /**
+     * All information about the workbook you are currently working on.
+     *
+     * @return Current workbook holder
+     */
+    CsvReadWorkbookHolder csvReadWorkbookHolder();
+
+    /**
+     * All information about the sheet you are currently working on.
+     *
+     * @return Current sheet holder
+     */
+    CsvReadSheetHolder csvReadSheetHolder();
+}

src/main/java/com/alibaba/excel/context/csv/DefaultCsvReadContext.java

@@ -0,0 +1,29 @@
+package com.alibaba.excel.context.csv;
+
+import com.alibaba.excel.context.AnalysisContextImpl;
+import com.alibaba.excel.read.metadata.ReadWorkbook;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadSheetHolder;
+import com.alibaba.excel.read.metadata.holder.csv.CsvReadWorkbookHolder;
+import com.alibaba.excel.support.ExcelTypeEnum;
+
+/**
+ * A context is the main anchorage point of a ls xls reader.
+ *
+ * @author Jiaju Zhuang
+ */
+public class DefaultCsvReadContext extends AnalysisContextImpl implements CsvReadContext {
+
+    public DefaultCsvReadContext(ReadWorkbook readWorkbook, ExcelTypeEnum actualExcelType) {
+        super(readWorkbook, actualExcelType);
+    }
+
+    @Override
+    public CsvReadWorkbookHolder csvReadWorkbookHolder() {
+        return (CsvReadWorkbookHolder)readWorkbookHolder();
+    }
+
+    @Override
+    public CsvReadSheetHolder csvReadSheetHolder() {
+        return (CsvReadSheetHolder)readSheetHolder();
+    }
+}

src/main/java/com/alibaba/excel/read/metadata/holder/AbstractReadHolder.java

@@ -16,6 +16,7 @@ import com.alibaba.excel.read.metadata.property.ExcelReadHeadProperty;
 import com.alibaba.excel.util.ListUtils;
 
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 /**
  * Read Holder
@@ -23,6 +24,7 @@ import lombok.Data;
  * @author Jiaju Zhuang
  */
 @Data
+@NoArgsConstructor
 public abstract class AbstractReadHolder extends AbstractHolder implements ReadHolder {
     /**
      * Count the number of added heads when read sheet.

src/main/java/com/alibaba/excel/read/metadata/holder/ReadSheetHolder.java

@@ -10,6 +10,7 @@ import com.alibaba.excel.metadata.data.ReadCellData;
 import com.alibaba.excel.read.metadata.ReadSheet;
 
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 /**
  * sheet holder
@@ -17,6 +18,7 @@ import lombok.Data;
  * @author Jiaju Zhuang
  */
 @Data
+@NoArgsConstructor
 public class ReadSheetHolder extends AbstractReadHolder {
 
     /**

src/main/java/com/alibaba/excel/read/metadata/holder/ReadWorkbookHolder.java

@@ -19,11 +19,16 @@ import com.alibaba.excel.read.metadata.ReadSheet;
 import com.alibaba.excel.read.metadata.ReadWorkbook;
 import com.alibaba.excel.support.ExcelTypeEnum;
 
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
 /**
  * Workbook holder
  *
  * @author Jiaju Zhuang
  */
+@Data
+@NoArgsConstructor
 public class ReadWorkbookHolder extends AbstractReadHolder {
 
     /**
@@ -171,157 +176,6 @@ public class ReadWorkbookHolder extends AbstractReadHolder {
         this.password = readWorkbook.getPassword();
     }
 
-    public ReadWorkbook getReadWorkbook() {
-        return readWorkbook;
-    }
-
-    public void setReadWorkbook(ReadWorkbook readWorkbook) {
-        this.readWorkbook = readWorkbook;
-    }
-
-    public InputStream getInputStream() {
-        return inputStream;
-    }
-
-    public void setInputStream(InputStream inputStream) {
-        this.inputStream = inputStream;
-    }
-
-    public File getFile() {
-        return file;
-    }
-
-    public void setFile(File file) {
-        this.file = file;
-    }
-
-    public Boolean getAutoCloseStream() {
-        return autoCloseStream;
-    }
-
-    public void setAutoCloseStream(Boolean autoCloseStream) {
-        this.autoCloseStream = autoCloseStream;
-    }
-
-    public ExcelTypeEnum getExcelType() {
-        return excelType;
-    }
-
-    public void setExcelType(ExcelTypeEnum excelType) {
-        this.excelType = excelType;
-    }
-
-    public Object getCustomObject() {
-        return customObject;
-    }
-
-    public void setCustomObject(Object customObject) {
-        this.customObject = customObject;
-    }
-
-    public Boolean getIgnoreEmptyRow() {
-        return ignoreEmptyRow;
-    }
-
-    public void setIgnoreEmptyRow(Boolean ignoreEmptyRow) {
-        this.ignoreEmptyRow = ignoreEmptyRow;
-    }
-
-    public ReadCache getReadCache() {
-        return readCache;
-    }
-
-    public void setReadCache(ReadCache readCache) {
-        this.readCache = readCache;
-    }
-
-    public ReadCacheSelector getReadCacheSelector() {
-        return readCacheSelector;
-    }
-
-    public void setReadCacheSelector(ReadCacheSelector readCacheSelector) {
-        this.readCacheSelector = readCacheSelector;
-    }
-
-    public Boolean getMandatoryUseInputStream() {
-        return mandatoryUseInputStream;
-    }
-
-    public void setMandatoryUseInputStream(Boolean mandatoryUseInputStream) {
-        this.mandatoryUseInputStream = mandatoryUseInputStream;
-    }
-
-    public File getTempFile() {
-        return tempFile;
-    }
-
-    public void setTempFile(File tempFile) {
-        this.tempFile = tempFile;
-    }
-
-    public Boolean getConvertAllFiled() {
-        return convertAllFiled;
-    }
-
-    public void setConvertAllFiled(Boolean convertAllFiled) {
-        this.convertAllFiled = convertAllFiled;
-    }
-
-    public Set<Integer> getHasReadSheet() {
-        return hasReadSheet;
-    }
-
-    public void setHasReadSheet(Set<Integer> hasReadSheet) {
-        this.hasReadSheet = hasReadSheet;
-    }
-
-    public Boolean getDefaultReturnMap() {
-        return defaultReturnMap;
-    }
-
-    public void setDefaultReturnMap(Boolean defaultReturnMap) {
-        this.defaultReturnMap = defaultReturnMap;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-
-    public Set<CellExtraTypeEnum> getExtraReadSet() {
-        return extraReadSet;
-    }
-
-    public void setExtraReadSet(Set<CellExtraTypeEnum> extraReadSet) {
-        this.extraReadSet = extraReadSet;
-    }
-
-    public List<ReadSheet> getActualSheetDataList() {
-        return actualSheetDataList;
-    }
-
-    public void setActualSheetDataList(List<ReadSheet> actualSheetDataList) {
-        this.actualSheetDataList = actualSheetDataList;
-    }
-
-    public List<ReadSheet> getParameterSheetDataList() {
-        return parameterSheetDataList;
-    }
-
-    public void setParameterSheetDataList(List<ReadSheet> parameterSheetDataList) {
-        this.parameterSheetDataList = parameterSheetDataList;
-    }
-
-    public Boolean getReadAll() {
-        return readAll;
-    }
-
-    public void setReadAll(Boolean readAll) {
-        this.readAll = readAll;
-    }
 
     @Override
     public HolderEnum holderType() {

src/main/java/com/alibaba/excel/read/metadata/holder/csv/CsvReadSheetHolder.java

@@ -0,0 +1,20 @@
+package com.alibaba.excel.read.metadata.holder.csv;
+
+import com.alibaba.excel.read.metadata.ReadSheet;
+import com.alibaba.excel.read.metadata.holder.ReadSheetHolder;
+import com.alibaba.excel.read.metadata.holder.ReadWorkbookHolder;
+
+import lombok.Data;
+
+/**
+ * sheet holder
+ *
+ * @author Jiaju Zhuang
+ */
+@Data
+public class CsvReadSheetHolder extends ReadSheetHolder {
+
+    public CsvReadSheetHolder(ReadSheet readSheet, ReadWorkbookHolder readWorkbookHolder) {
+        super(readSheet, readWorkbookHolder);
+    }
+}

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

@@ -0,0 +1,25 @@
+package com.alibaba.excel.read.metadata.holder.csv;
+
+import com.alibaba.excel.read.metadata.ReadWorkbook;
+import com.alibaba.excel.read.metadata.holder.ReadWorkbookHolder;
+import com.alibaba.excel.support.ExcelTypeEnum;
+
+import lombok.Data;
+import org.apache.commons.csv.CSVFormat;
+
+/**
+ * Workbook holder
+ *
+ * @author Jiaju Zhuang
+ */
+@Data
+public class CsvReadWorkbookHolder extends ReadWorkbookHolder {
+
+    private CSVFormat csvFormat;
+
+    public CsvReadWorkbookHolder(ReadWorkbook readWorkbook) {
+        super(readWorkbook);
+        setExcelType(ExcelTypeEnum.CSV);
+        csvFormat = CSVFormat.DEFAULT;
+    }
+}

src/test/java/com/alibaba/easyexcel/test/temp/csv/CsvReadTest.java

@@ -2,6 +2,7 @@ package com.alibaba.easyexcel.test.temp.csv;
 
 import java.io.File;
 import java.io.FileInputStream;
+import java.io.FileReader;
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Date;
@@ -9,10 +10,12 @@ import java.util.List;
 
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.EasyExcel;
+import com.alibaba.fastjson.JSON;
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVPrinter;
+import org.apache.commons.csv.CSVRecord;
 import org.apache.poi.poifs.filesystem.FileMagic;
 import org.junit.Ignore;
 import org.junit.Test;
@@ -33,6 +36,18 @@ public class CsvReadTest {
         printer.close();
     }
 
+    @Test
+    public void read1() throws Exception {
+        Iterable<CSVRecord> records = CSVFormat.DEFAULT.parse(
+            new FileReader("/Users/zhuangjiaju/IdeaProjects/easyexcel/target/test-classes/csvWrite1.csv"));
+        for (CSVRecord record : records) {
+            String lastName = record.get(0);
+            String firstName = record.get(1);
+            log.info("row:{},{}", lastName, firstName);
+        }
+
+    }
+
     @Test
     public void csvWrite() throws Exception {
         // 写法1
@@ -40,6 +55,13 @@ public class CsvReadTest {
         // 这里 需要指定写用哪个class去写，然后写到第一个sheet，名字为模板 然后文件流会自动关闭
         // 如果这里想使用03 则 传入excelType参数即可
         EasyExcel.write(fileName, CsvData.class).sheet().doWrite(data());
+
+        // 读
+        List<Object> list = EasyExcel.read(fileName).sheet(0).headRowNumber(0).doReadSync();
+        log.info("数据：{}", list.size());
+        for (Object data : list) {
+            log.info("返回数据：{}", JSON.toJSONString(data));
+        }
     }
 
     @Test