【日常POC问题记录，easyexcel报错】
【报错信息】

com.alibaba.excel.exception.ExcelAnalysisException: java.lang.NoClassDefFoundError: org/apache/poi/poifs/filesystem/FileMagic

【问题代码】

@PostMapping("/testExcel22")
public Payload testExcel(MultipartFile file) {
    try {
        EasyExcel.read(file.getInputStream(), TestExcel.class,new ExcelImportMemberAddressListener()).sheet().doRead();
    } catch (Exception e) {
        e.printStackTrace();
        throw new ApplicationException("XXXXXexcel解析失败");
    }
    return new Payload();
}

【原因】缺少依赖或者依赖冲突，导致找不到类
【解决办法1】引包

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>easyexcel</artifactId>
    <version>2.2.6</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi</artifactId>
    <version>3.17</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-scratchpad</artifactId>
    <version>3.17</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>3.17</version>
</dependency>

【解决办法2】