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luxiaotao1123

2020-06-20 0917be8757fa247e0b98c52e6d7ffc8abda1de64

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 src/main/java/com/zy/asrs/controller/MatCodeController.java

@@ -142,9 +142,9 @@
    @ManagerAuth(memo = "物料编码数据导入")
    @Transactional
    public R matCodeImport(MultipartFile file) throws IOException, InterruptedException {
        Thread.sleep(2000);
        EasyExcel.read(file.getInputStream(), MatCodeExcel.class, new MatCodeExcelListener()).sheet().doRead();
        return R.ok();
        MatCodeExcelListener listener = new MatCodeExcelListener(getUserId());
        EasyExcel.read(file.getInputStream(), MatCodeExcel.class, listener).sheet().doRead();
        return R.ok("成功导入"+listener.getTotal()+"条物料信息");
    }

    // 打印

 src/main/java/com/zy/common/utils/excel/matcode/MatCodeExcelListener.java

@@ -2,13 +2,15 @@

import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.alibaba.fastjson.JSON;
import com.core.common.SpringUtils;
import com.core.exception.CoolException;
import com.zy.asrs.entity.MatCode;
import com.zy.asrs.service.MatCodeService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

@@ -19,19 +21,28 @@

    private static final Logger LOGGER = LoggerFactory.getLogger(MatCodeExcelListener.class);

    private int total = 0;
    private Long userId;

    public MatCodeExcelListener() {
    }

    public MatCodeExcelListener(Long userId) {
        this.userId = userId;
    }

    /**
     * 每隔5条存储数据库，实际使用中可以3000条，然后清理list ，方便内存回收
     */
    private static final int BATCH_COUNT = 5;
    private static final int BATCH_COUNT = 50;

    private List<MatCodeExcel> list = new ArrayList<>();
    private final List<MatCode> list = new ArrayList<>();

    /**
     * 这里会一行行的返回头
     */
    @Override
    public void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context) {
        LOGGER.info("解析到一条头数据:{}", JSON.toJSONString(headMap));
    }

    /**
@@ -39,11 +50,25 @@
     */
    @Override
    public void invoke(MatCodeExcel data, AnalysisContext ctx) {
        LOGGER.info("解析到一条数据:{}", JSON.toJSONString(data));
        list.add(data);
        MatCodeService matCodeService = SpringUtils.getBean(MatCodeService.class);
        if (matCodeService.selectById(data.getMatNo()) == null) {
            MatCode matCode = new MatCode();
            matCode.setMatNo(data.getMatNo());
            matCode.setMatName(data.getMatName());
            matCode.setBarcode(data.getBarcode());
            matCode.setStr1(data.getStr1());
            matCode.setModiTime(new Date());
            matCode.setModiUser(this.userId);
            matCode.setAppeTime(new Date());
            matCode.setAppeUser(this.userId);
            list.add(matCode);
            total ++;
        }
        // 达到BATCH_COUNT了，需要去存储一次数据库，防止数据几万条数据在内存，容易OOM
        if (list.size() >= BATCH_COUNT) {
            MatCodeService matCodeService = SpringUtils.getBean(MatCodeService.class);
            if (!matCodeService.insertBatch(list)) {
                throw new CoolException("导入数据异常");
            }
            // 存储完成清理 list
            list.clear();
        }
@@ -55,6 +80,10 @@
     */
    @Override
    public void doAfterAllAnalysed(AnalysisContext ctx) {
        LOGGER.info("所有数据解析完成！");
        LOGGER.info("新增{}条物料信息！", total);
    }

    public int getTotal() {
        return total;
    }
}

 src/main/webapp/static/js/matCode/matCode.js

@@ -258,6 +258,7 @@
            $('#fileMame').html("");
            layer.closeAll('loading');
            layer.msg(res.msg);
            tableReload(false);
        }
        , error: function(index, upload){
            layer.closeAll('loading');