使用HSSFWorkbook导出excel

导入依赖

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi</artifactId>
    <version>3.17</version>
</dependency>

工具类


public class ExcelUtil {

    /**
     * 导出Excel
     * @param sheetName sheet名称
     * @param title 标题
     * @param values 内容
     * @param wb HSSFWorkbook对象
     */
    public static HSSFWorkbook getHSSFWorkbook(String sheetName, String []title, String [][]values, HSSFWorkbook wb){

        // 第一步，创建一个HSSFWorkbook，对应一个Excel文件
        if(wb == null){
            wb = new HSSFWorkbook();
        }

        // 第二步，在workbook中添加一个sheet,对应Excel文件中的sheet
        HSSFSheet sheet = wb.createSheet(sheetName);

        // 第三步，在sheet中添加表头第0行,注意老版本poi对Excel的行数列数有限制
        HSSFRow row = sheet.createRow(0);

        // 第四步，创建单元格，并设置值表头 设置表头居中
        HSSFCellStyle style = wb.createCellStyle();
        //声明列对象
        HSSFCell cell;

        //创建标题
        for(int i=0;i<title.length;i++){
            cell = row.createCell(i);
            cell.setCellValue(title[i]);
            cell.setCellStyle(style);
        }

        //创建内容
        for(int i=0;i<values.length;i++){
            row = sheet.createRow(i + 1);
            for(int j=0;j<values[i].length;j++){
                //将内容按顺序赋给对应的列对象
                row.createCell(j).setCellValue(values[i][j]);
            }
        }
        return wb;
    }

}

调用工具类

 /**
     * /exportFile/export
     * @param params
     * @param request
     * @param response
     */
    @RequestMapping("exportHSSFWorkbook")
    public void exportHSSFWorkbook(Map<String, Object> params, HttpServletRequest request, HttpServletResponse response){
        try {
            //文件名称，客户端传来的参数，防止中文文件名乱码参数编码因此这里需要解码
        //    String title = URLDecoder.decode(request.getParameter("title"),"UTF-8");
            String title = "村民表";
            String[] columnHeader = new String[] {"姓名","年龄","地址"};
            // 获取list
            String[][] list = new String[][]{
                    {"刘大海","54","桃李村1号"},
                    {"王大富","34","桃李村4号"},
                    {"王婆婆","82","桃李村6号"},
                    {"李复","24","桃李村9号"},
                    {"陈月","14","桃李村3号"},
                    {"老村长","74","桃李村3号"}
            };
            // 导出 Excel
            HSSFWorkbook wb = ExcelUtil.getHSSFWorkbook(title, columnHeader, list, null);
            OutputStream output=response.getOutputStream();
            response.reset();
            response.setHeader( "Content-disposition" ,  "attachment; filename= "+new String(title.getBytes("GB2312"), "8859_1")+".xls" );
            response.setContentType( "application/msexcel" );
            wb.write(output);
            output.close();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {

        }
    }

前端调用

<button onclick="exportHSSFWorkbook()">导出</button>

function exportHSSFWorkbook(){
	window.location.href ="http://localhost:9000/exportFile/exportHSSFWorkbook"
}

使用HSSFWorkbook导出excel

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