xlsx2json2file

使用 POI 实现解析 xlsx 转换成 json 写入文件

Maven 依赖

      org.apache.poi
      poi
      3.14
    
    
      org.apache.poi
      poi-ooxml
      3.14
    

    
    
      com.fasterxml.jackson.core
      jackson-databind
      2.9.3
    
    
    
      com.fasterxml.jackson.core
      jackson-core
      2.9.3
    
    
    
      com.fasterxml.jackson.core
      jackson-annotations
      2.9.3
    

public static void main(String[] args) throws IOException {
        Workbook wb = null;
        Sheet sheet = null;
        Row row = null;
        List> list = null;
        String cellData = null;
        String filePath = "F:\\workSpace\\IdeaProjects\\c_working\\asiainfo\\eda\\excel2json\\src\\main\\java\\a.xlsx";
        String[] columns = {"channel_name", "polygon_id", "point_order", "lng", "lat"};
        wb = readExcel(filePath);
        if (wb != null) {
            //用来存放表中数据
            list = new ArrayList<>();
            //获取第一个sheet
            sheet = wb.getSheetAt(0);
            //获取最大行数
            int rownum = sheet.getPhysicalNumberOfRows();
            //获取第一行
            row = sheet.getRow(0);
            //获取最大列数
            int colnum = row.getPhysicalNumberOfCells();
            // String initName = sheet.getRow(1).getCell(0).getStringCellValue() + "-" + new Double(sheet.getRow(1).getCell(1).getNumericCellValue()).intValue() + "";
            String initName = "";
            ArrayList