Java EasyExcel 导入代码

导入方法

/**
     * 仓库库位导入
     *
     * @param req
     * @param res
     * @param files
     * @throws Exception
     */
    @RequestMapping(value = {"/import/line_store_locs"}, method = {RequestMethod.POST})
    @ResponseBody
    public void importStoreLoc(HttpServletRequest req, HttpServletResponse res, @RequestParam("file") MultipartFile[] files) throws Exception {

        //获取文件流
        List<LineStoreLocMode> tempList = new ArrayList<>();
        if (files != null && files.length != 0) {
            //获取文件流
            EasyExcel.read(files[0].getInputStream(), LineStoreLocMode.class, new PageReadListener<LineStoreLocMode>(dataList -> {
                for (LineStoreLocMode demoData : dataList) {
                    tempList.add(demoData);
                }
            })).sheet().doRead();
        }
        if (ValueUtil.isEmpty(tempList)) {
            return;
        }

        // 仓库
        Query query = new Query();
        List<LineStore> lineStoreList = this.selectList("line_stores", query, LineStore.class);
        // 型号尺寸
        List<ModelSize> modelSizeList = this.selectList("model_sizes", query, ModelSize.class);

        List<LineStoreLoc> locList = new ArrayList<>();
        for(LineStoreLocMode vo : tempList){
            List<String> modelList = new ArrayList<>();
            if(vo.getModelSizeStr().contains("、")){
                String[] modelSizeArr = vo.getModelSizeStr().split("、");
                modelList = Arrays.asList(modelSizeArr);
            }else {
                modelList.add(vo.getModelSizeStr());
            }
            for(String modelName : modelList){
                LineStoreLoc lineStoreLoc = new LineStoreLoc();
                LineStore lineStore  = lineStoreList.stream().filter(e -> vo.getStoreName().equals(e.getName())).collect(Collectors.toList()).get(0);
                lineStoreLoc.setLineStoreId(lineStore.getId());   // 仓库
                lineStoreLoc.setSegment2Id(vo.getSegment2Id());   // 库区编码
                lineStoreLoc.setSegment3Id(vo.getSegment3Id());   // 库区名称
                lineStoreLoc.setName(vo.getName());     // 库位编码
                lineStoreLoc.setDescription(vo.getDescription());       // 库位名称
                lineStoreLoc.setProdSubcatName(vo.getProdSubcatName());  // 产品小分类
                lineStoreLoc.setWarehouseCapcity(vo.getWarehouseCapcity());     // 仓库容量
                lineStoreLoc.setCapcityUnit(vo.getCapcityUnit());    // 容量单位
                lineStoreLoc.setSegment1Id(vo.getSegment1Id());     // 备注
                ModelSize modelSize = modelSizeList.stream().filter(e -> modelName.equals(e.getName())).collect(Collectors.toList()).get(0);
                lineStoreLoc.setModelSizeId(modelSize.getId());   // 型号尺寸
                locList.add(lineStoreLoc);
            }
        }

        // 数据插入
        insertData(locList);
    }

50条插入一次的方法

private void insertData(List<LineStoreLoc> matCrList){
        // 每次只插入100条数据
        List<LineStoreLoc> insertInfoList = new ArrayList<>();
        int i = 0;
        for(LineStoreLoc vo : matCrList){
            insertInfoList.add(vo);
            i++;
            if(i >= 50){
                this.insertBatch(insertInfoList);
                i = 0;
                insertInfoList.clear();
            }
        }
        // 剩余条数全部保存
        this.insertBatch(insertInfoList);
    }

接收数据的实体

package xyz.xmes.cust.monitorsystem.model;

import com.alibaba.excel.annotation.ExcelProperty;

/**
 * @Description: 仓库库位管理导入
 * @Date: Create in 18:44 2023/12/27
 */
public class LineStoreLocMode {

    @ExcelProperty("仓库编码")
    private String storeName;       // 关联到 LINE_STORES 中查询 Id

    @ExcelProperty("库区编码")
    private String segment2Id;

    @ExcelProperty("库区名称")
    private String segment3Id;

    @ExcelProperty("库位编码")
    private String name;

    @ExcelProperty("库位名称")
    private String description;

    @ExcelProperty("产品小分类")
    private String prodSubcatName;     // 不用拆分

    @ExcelProperty("型号尺寸")
    private String modelSizeStr;    // 需要拆分

    @ExcelProperty("仓库容量")
    private String warehouseCapcity;

    @ExcelProperty("容量单位")
    private String capcityUnit;

    @ExcelProperty("备注")
    private String segment1Id;

    public String getStoreName() {
        return storeName;
    }

    public void setStoreName(String storeName) {
        this.storeName = storeName;
    }

    public String getSegment2Id() {
        return segment2Id;
    }

    public void setSegment2Id(String segment2Id) {
        this.segment2Id = segment2Id;
    }

    public String getSegment3Id() {
        return segment3Id;
    }

    public void setSegment3Id(String segment3Id) {
        this.segment3Id = segment3Id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public String getProdSubcatName() {
        return prodSubcatName;
    }

    public void setProdSubcatName(String prodSubcatName) {
        this.prodSubcatName = prodSubcatName;
    }

    public String getModelSizeStr() {
        return modelSizeStr;
    }

    public void setModelSizeStr(String modelSizeStr) {
        this.modelSizeStr = modelSizeStr;
    }

    public String getWarehouseCapcity() {
        return warehouseCapcity;
    }

    public void setWarehouseCapcity(String warehouseCapcity) {
        this.warehouseCapcity = warehouseCapcity;
    }

    public String getCapcityUnit() {
        return capcityUnit;
    }

    public void setCapcityUnit(String capcityUnit) {
        this.capcityUnit = capcityUnit;
    }

    public String getSegment1Id() {
        return segment1Id;
    }

    public void setSegment1Id(String segment1Id) {
        this.segment1Id = segment1Id;
    }
}

Postman 上传文件