8
版本：2.1.4
使用 EasyExcel.write(excelName,clazz).sheet(sheetName).doWrite(dataList);
java.lang.NullPointerException: null at com.alibaba.excel.ExcelWriter.finish(ExcelWriter.java:328) ~[easyexcel-2.1.4.jar:na] at com.alibaba.excel.ExcelWriter.finalize(ExcelWriter.java:338) ~[easyexcel-2.1.4.jar:na] at java.lang.System$2.invokeFinalize(System.java:1270) [na:1.8.0_144] at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:98) [na:1.8.0_144] at java.lang.ref.Finalizer.access$100(Finalizer.java:34) [na:1.8.0_144] at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:210) [na:1.8.0_144]