报错信息： Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [R
equest processing failed: com.alibaba.excel.exception.ExcelGenerateException: java.lang.InternalError: java.lang.reflect.InvocationTargetException] with root cause

java.lang.RuntimeException: Fontconfig head is null, check your fonts or fonts configuration

linux服务器执行：

yum install -y fontconfig