NullPointerException

[InspireYi]

com.alibaba easyexcel 2.2.6

代码
EasyExcel.read(file.getInputStream(), clazz, new SingleRowListener(rowProcessor)).sheet(0).doRead();

导入excel报错堆栈

at org.apache.poi.xssf.usermodel.XSSFTableStyle.(XSSFTableStyle.java:64)
at org.apache.poi.xssf.model.StylesTable.readFrom(StylesTable.java:247)
at org.apache.poi.xssf.model.StylesTable.(StylesTable.java:141)
at org.apache.poi.xssf.eventusermodel.XSSFReader.getStylesTable(XSSFReader.java:126)
at com.alibaba.excel.analysis.v07.XlsxSaxAnalyser.(XlsxSaxAnalyser.java:81)
at com.alibaba.excel.analysis.ExcelAnalyserImpl.choiceExcelExecutor(ExcelAnalyserImpl.java:99)
at com.alibaba.excel.analysis.ExcelAnalyserImpl.(ExcelAnalyserImpl.java:51)
at com.alibaba.excel.ExcelReader.(ExcelReader.java:145)
at com.alibaba.excel.read.builder.ExcelReaderBuilder.build(ExcelReaderBuilder.java:193)
at com.alibaba.excel.read.builder.ExcelReaderBuilder.sheet(ExcelReaderBuilder.java:229)
at com.alibaba.excel.read.builder.ExcelReaderBuilder.sheet(ExcelReaderBuilder.java:221)

请问这种怎么解决？

[Alanscut]

@InspireYi 我在这个项目的代码中没有找到SingleRowListener这个类，也没有在你的报错信息中看到NullPointerException。你能否提供有关这个NullPointerException问题的全部信息，例如错误提示或屏幕截图？请以附件的形式上传问题的所有代码和对应的excel，例如错误提示、屏幕截图、Demo、测试用例、整个项目的代码、对应的excel，等等，以帮助你分析此问题。谢谢！

[InspireYi]

class SingleRowListener extends AnalysisEventListener {

    private Consumer<T> rowProcessor;

    public SingleRowListener(Consumer<T> rowProcessor) {
        this.rowProcessor = rowProcessor;
    }


    @Override
    public void invoke(T data, AnalysisContext context) {
        rowProcessor.accept(data);
    }

    @Override
    public void doAfterAllAnalysed(AnalysisContext context) {

    }
}

List list = new ArrayList<>();
EasyExcel.read(file.getInputStream(), clazz, new SingleRowListener(x -> {
list.add(x);
})).sheet(0).doRead();

[InspireYi]

@Alanscut excel 我没法发上来，不知道是不是excel格式问题，并且不是所有导入都会报错，仅个别

[InspireYi]

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[Alanscut]

我按照你的代码新建了这个SingleRowListener，发现Consumer涉及导包有多个选择的问题，尝试几次后发现仍然编译报错。excel 应该可以上传，评论窗口下方有attach files，点击这个就可以上传excel、代码、图片、压缩包等。你说“不知道是不是excel格式问题，并且不是所有导入都会报错，仅个别”，我如果看到这个问题的全部信息后，就方便debug分析了。还请以附件的形式上传问题的所有代码和对应的excel，例如错误提示、屏幕截图、Demo、测试用例、整个项目的代码、对应的excel，等等，以帮助你分析此问题。谢谢！

[InspireYi]

@Alanscut 已将报错demo放至git，地址
https://github.com/InspireYi/easyexceltest
麻烦看看

[InspireYi]

TestApplication 直接运行main，有报错和不报错的示例

[InspireYi]

StylesTable 240行
CTDxfs styleDxfs = styleSheet.getDxfs();
这个对象为空

[zhuangjiaju]

贴全代码 并上传文件。

[InspireYi]

https://github.com/InspireYi/easyexceltest
@zhuangjiaju

[zhuangjiaju]

已经在3.0.0-beta1 版本修复，beta版本会在一个月内升级成正式版。