public class YqjgYiZzsjExcelEntity2 implements Serializable { @Excel(name = "日期",format = "YYYY-MM-dd",fixedIndex = 0) private String rq; @Excel(name = "杏三浅冷") private qlzz2 x3ql; @Excel(name = "杏九浅冷") private qlzz2 x9qllqyl;}public class qlzz implements Serializable { private static final long serialVersionUID = 1L; private String lqyl; private String wsyl; private String zlwd;}我想将YqjgYiZzsjExcelEntity2导出为空excel表,且导出的excel里,x3ql表头下,有lqyl、wsyl、zlwd等子表头,x9qllqyl表头下,也有有lqyl、wsyl、zlwd等子表头
时间: 2024-03-22 13:39:16 浏览: 24
您可以使用EasyExcel这个开源库来实现将YqjgYiZzsjExcelEntity2导出为空excel表,并且在导出的excel中添加x3ql和x9qllqyl表头下的子表头。
首先,您需要在YqjgYiZzsjExcelEntity2类中添加一个空构造函数,以便EasyExcel能够实例化该类。然后,您需要使用EasyExcel的API来生成Excel,具体实现如下:
```java
// 创建一个空的list,用于生成空Excel
List<YqjgYiZzsjExcelEntity2> list = new ArrayList<>();
// 创建一个表头,包含x3ql表头下的子表头和x9qllqyl表头下的子表头
List<List<String>> head = new ArrayList<>();
List<String> x3qlHead = Arrays.asList("杏三浅冷", "lqyl", "wsyl", "zlwd");
List<String> x9qllqylHead = Arrays.asList("杏九浅冷", "lqyl", "wsyl", "zlwd");
head.add(x3qlHead);
head.add(x9qllqylHead);
// 写出Excel
ExcelWriter excelWriter = EasyExcel.write(outputStream).head(head).build();
WriteSheet writeSheet = EasyExcel.writerSheet().build();
excelWriter.write(list, writeSheet);
excelWriter.finish();
```
其中,outputStream是输出流,用于将生成的Excel写入到文件或者网络中。head是表头信息,包含x3ql和x9qllqyl表头下的子表头。最后,使用ExcelWriter的write方法将list写入到Excel中,并使用finish方法关闭ExcelWriter。
这样,就可以实现将YqjgYiZzsjExcelEntity2导出为空Excel表,并且在导出的Excel中添加x3ql和x9qllqyl表头下的子表头了。