1.解决审计统计没有显示的bug
2.解决数据中心数据查询过慢和数据展示bug
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@@ -1,11 +1,13 @@
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package com.njcn.system.excel;
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import cn.hutool.core.collection.CollUtil;
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import com.alibaba.excel.context.AnalysisContext;
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import com.alibaba.excel.read.listener.ReadListener;
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import com.alibaba.excel.util.ListUtils;
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import com.njcn.system.mapper.UserLogMapper;
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import java.util.List;
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import java.util.stream.Collectors;
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// 有个很重要的点 DemoDataListener 不能被spring管理,要每次读取excel都要new,然后里面用到spring可以构造方法传进去
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public class DataListener implements ReadListener<UserLogExcel> {
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@@ -14,7 +16,7 @@ public class DataListener implements ReadListener<UserLogExcel> {
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/**
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* 每隔5条存储数据库,实际使用中可以100条,然后清理list ,方便内存回收
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*/
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private static final int BATCH_COUNT = 1000;
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private static final int BATCH_COUNT = 5000;
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/**
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* 缓存的数据
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*/
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@@ -23,14 +25,16 @@ public class DataListener implements ReadListener<UserLogExcel> {
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* 假设这个是一个DAO,当然有业务逻辑这个也可以是一个service。当然如果不用存储这个对象没用。
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*/
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private UserLogMapper userLogMapper;
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private List<String> ids;
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/**
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* 如果使用了spring,请使用这个构造方法。每次创建Listener的时候需要把spring管理的类传进来
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*
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* @param userLogMapper
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*/
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public DataListener(UserLogMapper userLogMapper) {
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public DataListener(UserLogMapper userLogMapper,List<String> ids) {
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this.userLogMapper = userLogMapper;
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this.ids = ids;
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}
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/**
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@@ -66,6 +70,11 @@ public class DataListener implements ReadListener<UserLogExcel> {
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* 加上存储数据库
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*/
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public void saveData() {
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userLogMapper.insertBatch(cachedDataList);
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//剔除数据库存在的数据
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List<UserLogExcel> newCachedDataList = cachedDataList.stream().filter(x -> !ids.contains(x.getId())).collect(Collectors.toList());
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System.err.println(newCachedDataList.size());
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if(CollUtil.isNotEmpty(newCachedDataList)){
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userLogMapper.insertBatch(newCachedDataList);
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}
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}
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}
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