content: package com.alibaba.excel.analysis.v07.handlers;
  
  import com.alibaba.excel.context.xlsx.XlsxReadContext;
  import com.alibaba.excel.metadata.data.FormulaData;
  import com.alibaba.excel.read.metadata.holder.xlsx.XlsxReadSheetHolder;
  
  import org.xml.sax.Attributes;
  
  /**
   * Cell Handler
   *
   * @author jipengfei
   */
  public class CellFormulaTagHandler extends AbstractXlsxTagHandler {
  
      @Override
      public void startElement(XlsxReadContext xlsxReadContext, String name, Attributes attributes) {
          XlsxReadSheetHolder xlsxReadSheetHolder = xlsxReadContext.xlsxReadSheetHolder();
          xlsxReadSheetHolder.setTempFormula(new StringBuilder());
      }
  
      @Override
      public void endElement(XlsxReadContext xlsxReadContext, String name) {
          XlsxReadSheetHolder xlsxReadSheetHolder = xlsxReadContext.xlsxReadSheetHolder();
          FormulaData formulaData = new FormulaData();
          formulaData.setFormulaValue(xlsxReadSheetHolder.getTempFormula().toString());
          xlsxReadSheetHolder.getTempCellData().setFormulaData(formulaData);
      }
  
      @Override
      public void characters(XlsxReadContext xlsxReadContext, char[] ch, int start, int length) {
          xlsxReadContext.xlsxReadSheetHolder().getTempFormula().append(ch, start, length);
      }
  }
  