demo直接提交类型：data带参数
<el-table-column
label="数据"
align="center"
prop="data">
<template slot-scope="scope">
<el-upload
ref="upload"
:on-success="handleSuccess"//成功回调
:on-error="handleError"//失败回调
:before-upload="beforeUpload"//上传之前检验
:auto-upload="true"
:data="{cid:scope.row.id}"//传给后台的额外参数从此处是从
action="/api/car/uploadExcel"
class="upload-demo">
<el-button
slot="trigger"
size="mini"
type="success">选择文档</el-button>
</el-upload>
</template>
</el-table-column>data() {
return {
fileList: []
}
},
methods: {
handleError(res, file, fileList) { // 文件上传失败处理
this.$notify.success({
title: '失败',
message: `文件上传失败`
})
this.$refs.upload.clearFiles()
},
handleSuccess(res, file, fileList) { // 文件上传成功处理
this.$notify.success({
title: '成功',
message: `文件上传成功`
})
this.$refs.upload.clearFiles()
//成功后的业务逻辑处理
},
beforeUpload(file) {//上传前检验
if (!file) {
return false
}
console.log(file)
if (/xlsx$/.test(file.name)) {
console.log('格式正确')
return true
} else {
console.log('格式错误')
this.$message.error('请选择正确的文件上传')
this.$refs.upload.clearFiles()
return false
}
}
}后台接参数:
@RequestMapping(value = "/car/uploadExcel" ,method = RequestMethod.POST)
@ResponseBody
public Object uploadExcel(MultipartFile file, @RequestParam("cid") String cid, HttpServletRequest request) throws IOException {
loggerFile.info("上传excel接口-----------开始" );
loggerFile.info(cid );//这是传进来的额外的参数
//1.获取信息
//2.解析xlsx
//3.插入数据库
HashMap<String, Object> returnMap = new HashMap<String, Object>();
if (file != null){
String name = file.getOriginalFilename();
if (name.endsWith("xlsx")) {
//TODO excel解析 逻辑，通过excelFile.getInputStream()，处理Excel文件
int result= 0;
InputStream inputStream = null;
List<List<Object>> listResult = null;
inputStream = file.getInputStream();
try {
listResult = new POIExcelUtil().getBankListByExcel(inputStream, file.getOriginalFilename());
//TODO 业务逻辑，循环添加
if (CollectionUtils.isEmpty(listResult)) {
returnMap.put("code","00");
returnMap.put("msg","文档空数据");
}
//自己的业务处理
//xxxxxxxxxxxxxxxxxxxxxxx
loggerFile.info("上传excel接口-----------操作结果"+result );
} catch (Exception e) {
e.printStackTrace();
}
inputStream.close();
if (result>0){
returnMap.put("code","00");
returnMap.put("num",result);
returnMap.put("msg","成功"+result+"条数据");
}
}else {
returnMap.put("code","99");
returnMap.put("msg","文件格式错误");
}
}else{
returnMap.put("code","99");
returnMap.put("msg","文件格式错误");
}
loggerFile.info("上传excel接口-----------结束" );
return returnMap;
}excel解析工具类
<dependencies>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.15</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml-schemas</artifactId>
<version>3.15</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.15</version>
</dependency>
</dependencies>public class POIExcelUtil {
private final static String excel2003L = ".xls"; // 03- 版本的excel
private final static String excel2007U = ".xlsx"; // 07+ 版本的excel
/**
* 描述：根据文件后缀，自适应上传文件的版本
*
* @param inputStream,fileName
* @return
* @throws Exception
*/
public Workbook getWorkbook(InputStream inputStream, String fileName) throws Exception {
Workbook wb = null;
String fileType = fileName.substring(fileName.lastIndexOf("."));
if (excel2003L.equals(fileType)) {
wb = new HSSFWorkbook(inputStream); // 2003-
} else if (excel2007U.equals(fileType)) {
wb = new XSSFWorkbook(inputStream); // 2007+
} else {
throw new Exception("解析的文件格式有误！");
}
return wb;
}
/**
* 描述：获取IO流中的数据，组装成List<List<Object>>对象
*
* @param inputStream,fileName
* @return
* @throws IOException
*/
public List<List<Object>> getBankListByExcel(InputStream inputStream, String fileName) throws Exception {
List<List<Object>> list = null;
// 创建Excel工作薄
Workbook work = this.getWorkbook(inputStream, fileName);
if (null == work) {
throw new Exception("创建Excel工作薄为空！");
}
Sheet sheet = null;
Row row = null;
Cell cell = null;
list = new ArrayList<List<Object>>();
// 遍历Excel中所有的sheet
for (int i = 0; i < work.getNumberOfSheets(); i++) {
sheet = work.getSheetAt(i);
if (sheet == null) {
continue;
}
// 遍历当前sheet中的所有行
for (int j = sheet.getFirstRowNum(); j <= sheet.getLastRowNum(); j++) {
row = sheet.getRow(j);
// 跳过空行和标题行
if (row == null || row.getFirstCellNum() == j) {
continue;
}
// 遍历所有的列
List<Object> li = new ArrayList<Object>();
for (int k = row.getFirstCellNum(); k < row.getLastCellNum(); k++) {
cell = row.getCell(k);
if (cell == null) {
li.add("");
continue;
}
li.add(this.getCellValue(cell));
}
list.add(li);
}
}
System.out.println(list);
return list;
}
/**
* 描述：对表格中数值进行格式化
*
* @param cell
* @return
*/
public Object getCellValue(Cell cell) {
Object value = null;
DecimalFormat df = new DecimalFormat("0"); // 格式化number String字符
SimpleDateFormat sdf = new SimpleDateFormat("yyy-MM-dd"); // 日期格式化
DecimalFormat df2 = new DecimalFormat("0.00"); // 格式化数字
switch (cell.getCellType()) {
case Cell.CELL_TYPE_STRING:
value = cell.getRichStringCellValue().getString();
break;
case Cell.CELL_TYPE_NUMERIC:
if ("General".equals(cell.getCellStyle().getDataFormatString())) {
value = df.format(cell.getNumericCellValue());
} else if ("m/d/yy".equals(cell.getCellStyle().getDataFormatString())) {
value = sdf.format(cell.getDateCellValue());
} else {
value = df.format(cell.getNumericCellValue());
}
break;
case Cell.CELL_TYPE_BOOLEAN:
value = cell.getBooleanCellValue();
break;
case Cell.CELL_TYPE_BLANK:
value = "";
break;
default:
break;
}
return value;
}
}