init
This commit is contained in:
kk
@@ -0,0 +1,53 @@
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||||
<?xml version="1.0" encoding="UTF-8"?>
|
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<artifactId>BladeX-Tool</artifactId>
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<groupId>org.springblade</groupId>
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<version>${revision}</version>
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</parent>
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|
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<artifactId>blade-starter-excel</artifactId>
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<name>${project.artifactId}</name>
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<version>${project.parent.version}</version>
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<packaging>jar</packaging>
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|
||||
<properties>
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||||
<module.name>org.springblade.blade.starter.excel</module.name>
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</properties>
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||||
|
||||
<dependencies>
|
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<dependency>
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<groupId>org.springblade</groupId>
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<artifactId>blade-core-launch</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>cn.idev.excel</groupId>
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<artifactId>fastexcel</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.poi</groupId>
|
||||
<artifactId>poi</artifactId>
|
||||
</dependency>
|
||||
<dependency>
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||||
<groupId>org.apache.poi</groupId>
|
||||
<artifactId>poi-ooxml</artifactId>
|
||||
</dependency>
|
||||
<dependency>
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||||
<groupId>org.apache.poi</groupId>
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<artifactId>poi-ooxml-full</artifactId>
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||||
</dependency>
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<dependency>
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<groupId>org.apache.poi</groupId>
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<artifactId>poi-scratchpad</artifactId>
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</dependency>
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<dependency>
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<groupId>org.apache.poi</groupId>
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<artifactId>ooxml-schemas</artifactId>
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</dependency>
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</dependencies>
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|
||||
|
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</project>
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+60
@@ -0,0 +1,60 @@
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/**
|
||||
* BladeX Commercial License Agreement
|
||||
* Copyright (c) 2018-2099, https://bladex.cn. All rights reserved.
|
||||
* <p>
|
||||
* Use of this software is governed by the Commercial License Agreement
|
||||
* obtained after purchasing a license from BladeX.
|
||||
* <p>
|
||||
* 1. This software is for development use only under a valid license
|
||||
* from BladeX.
|
||||
* <p>
|
||||
* 2. Redistribution of this software's source code to any third party
|
||||
* without a commercial license is strictly prohibited.
|
||||
* <p>
|
||||
* 3. Licensees may copyright their own code but cannot use segments
|
||||
* from this software for such purposes. Copyright of this software
|
||||
* remains with BladeX.
|
||||
* <p>
|
||||
* Using this software signifies agreement to this License, and the software
|
||||
* must not be used for illegal purposes.
|
||||
* <p>
|
||||
* THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY. The author is
|
||||
* not liable for any claims arising from secondary or illegal development.
|
||||
* <p>
|
||||
* Author: Chill Zhuang (bladejava@qq.com)
|
||||
*/
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package org.springblade.core.excel.listener;
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import cn.idev.excel.context.AnalysisContext;
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import cn.idev.excel.event.AnalysisEventListener;
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import lombok.EqualsAndHashCode;
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import lombok.Getter;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Excel监听器
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*
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* @author Chill
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*/
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@Getter
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@EqualsAndHashCode(callSuper = true)
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public class DataListener<T> extends AnalysisEventListener<T> {
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/**
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* 缓存的数据列表
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*/
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private final List<T> dataList = new ArrayList<>();
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@Override
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public void invoke(T data, AnalysisContext analysisContext) {
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dataList.add(data);
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}
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||||
|
||||
@Override
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public void doAfterAllAnalysed(AnalysisContext analysisContext) {
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|
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}
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||||
|
||||
}
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+173
@@ -0,0 +1,173 @@
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||||
/**
|
||||
* BladeX Commercial License Agreement
|
||||
* Copyright (c) 2018-2099, https://bladex.cn. All rights reserved.
|
||||
* <p>
|
||||
* Use of this software is governed by the Commercial License Agreement
|
||||
* obtained after purchasing a license from BladeX.
|
||||
* <p>
|
||||
* 1. This software is for development use only under a valid license
|
||||
* from BladeX.
|
||||
* <p>
|
||||
* 2. Redistribution of this software's source code to any third party
|
||||
* without a commercial license is strictly prohibited.
|
||||
* <p>
|
||||
* 3. Licensees may copyright their own code but cannot use segments
|
||||
* from this software for such purposes. Copyright of this software
|
||||
* remains with BladeX.
|
||||
* <p>
|
||||
* Using this software signifies agreement to this License, and the software
|
||||
* must not be used for illegal purposes.
|
||||
* <p>
|
||||
* THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY. The author is
|
||||
* not liable for any claims arising from secondary or illegal development.
|
||||
* <p>
|
||||
* Author: Chill Zhuang (bladejava@qq.com)
|
||||
*/
|
||||
package org.springblade.core.excel.listener;
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import cn.idev.excel.annotation.ExcelProperty;
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import cn.idev.excel.annotation.ExcelIgnore;
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import cn.idev.excel.context.AnalysisContext;
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||||
import cn.idev.excel.event.AnalysisEventListener;
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||||
import lombok.Data;
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||||
import lombok.EqualsAndHashCode;
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||||
import lombok.RequiredArgsConstructor;
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||||
import org.springblade.core.excel.support.ExcelException;
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import org.springblade.core.excel.support.ExcelImporter;
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||||
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||||
import java.lang.reflect.Field;
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||||
import java.util.*;
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||||
import java.util.concurrent.ConcurrentHashMap;
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||||
import java.util.stream.Collectors;
|
||||
|
||||
/**
|
||||
* Excel监听器
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||||
*
|
||||
* @author Chill
|
||||
*/
|
||||
@Data
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||||
@RequiredArgsConstructor
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||||
@EqualsAndHashCode(callSuper = true)
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||||
public class ImportListener<T> extends AnalysisEventListener<T> {
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||||
|
||||
/**
|
||||
* 默认每隔3000条存储数据库
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||||
*/
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||||
private int batchCount = 3000;
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||||
/**
|
||||
* 缓存的数据列表
|
||||
*/
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||||
private List<T> list = new ArrayList<>();
|
||||
/**
|
||||
* 数据导入类
|
||||
*/
|
||||
private final ExcelImporter<T> importer;
|
||||
|
||||
/**
|
||||
* 数据映射类
|
||||
*/
|
||||
private final Class<T> clazz;
|
||||
|
||||
/**
|
||||
* 是否校验
|
||||
*/
|
||||
private final Boolean check;
|
||||
|
||||
/**
|
||||
* 表头缓存映射 - 静态缓存避免重复反射，提供懒加载机制
|
||||
*/
|
||||
private static final Map<Class<?>, List<String>> HEADER_CACHE = new ConcurrentHashMap<>();
|
||||
|
||||
@Override
|
||||
public void invoke(T data, AnalysisContext analysisContext) {
|
||||
list.add(data);
|
||||
// 达到BATCH_COUNT，则调用importer方法入库，防止数据几万条数据在内存，容易OOM
|
||||
if (list.size() >= batchCount) {
|
||||
// 调用importer方法
|
||||
importer.save(list);
|
||||
// 存储完成清理list
|
||||
list.clear();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void doAfterAllAnalysed(AnalysisContext analysisContext) {
|
||||
// 调用importer方法
|
||||
importer.save(list);
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||||
// 存储完成清理list
|
||||
list.clear();
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||||
}
|
||||
|
||||
@Override
|
||||
public void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context) {
|
||||
if (!Boolean.TRUE.equals(check)) {
|
||||
super.invokeHeadMap(headMap, context);
|
||||
return;
|
||||
}
|
||||
List<String> expectedHeaders = extractExpectedHeaders();
|
||||
validateHeaderConsistency(headMap, expectedHeaders);
|
||||
super.invokeHeadMap(headMap, context);
|
||||
}
|
||||
|
||||
/**
|
||||
* 提取期望的表头列表
|
||||
* 使用静态缓存实现懒加载，避免重复反射操作
|
||||
*/
|
||||
private List<String> extractExpectedHeaders() {
|
||||
return HEADER_CACHE.computeIfAbsent(clazz, this::parseHeadersFromClass);
|
||||
}
|
||||
|
||||
/**
|
||||
* 从类中解析表头信息
|
||||
* 排除带有@ExcelIgnore注解的字段
|
||||
*/
|
||||
private List<String> parseHeadersFromClass(Class<?> targetClass) {
|
||||
return Arrays.stream(targetClass.getDeclaredFields())
|
||||
.filter(field -> field.isAnnotationPresent(ExcelProperty.class))
|
||||
.filter(field -> !field.isAnnotationPresent(ExcelIgnore.class))
|
||||
.map(this::extractHeaderFromField)
|
||||
.filter(Optional::isPresent)
|
||||
.map(Optional::get)
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
/**
|
||||
* 从字段中提取表头名称
|
||||
*/
|
||||
private Optional<String> extractHeaderFromField(Field field) {
|
||||
ExcelProperty annotation = field.getAnnotation(ExcelProperty.class);
|
||||
String[] headerValues = annotation.value();
|
||||
return headerValues.length > 0 ? Optional.of(headerValues[0]) : Optional.empty();
|
||||
}
|
||||
|
||||
/**
|
||||
* 校验表头一致性
|
||||
* 检查实际表头是否都存在于期望表头集合中
|
||||
*/
|
||||
private void validateHeaderConsistency(Map<Integer, String> actualHeaders, List<String> expectedHeaders) {
|
||||
// 获取期望表头的集合
|
||||
Set<String> expectedHeaderSet = new HashSet<>(expectedHeaders);
|
||||
// 检查实际表头是否有不在预期表头列表中
|
||||
actualHeaders.values().stream()
|
||||
.filter(actualHeader -> !expectedHeaderSet.contains(actualHeader))
|
||||
.findFirst()
|
||||
.ifPresent(invalidHeader -> {
|
||||
throw new ExcelException(
|
||||
String.format("表头校验失败：[%s] 不在预期的表头列表中，预期表头：%s", invalidHeader, expectedHeaders)
|
||||
);
|
||||
});
|
||||
// 检查是否有缺失的必要表头
|
||||
if (actualHeaders.size() != expectedHeaders.size()) {
|
||||
Set<String> actualHeaderSet = new HashSet<>(actualHeaders.values());
|
||||
List<String> missingHeaders = expectedHeaders.stream()
|
||||
.filter(expected -> !actualHeaderSet.contains(expected))
|
||||
.toList();
|
||||
if (!missingHeaders.isEmpty()) {
|
||||
throw new ExcelException(
|
||||
String.format("表头校验失败：缺少必要的表头：%s", missingHeaders)
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
+42
@@ -0,0 +1,42 @@
|
||||
/**
|
||||
* BladeX Commercial License Agreement
|
||||
* Copyright (c) 2018-2099, https://bladex.cn. All rights reserved.
|
||||
* <p>
|
||||
* Use of this software is governed by the Commercial License Agreement
|
||||
* obtained after purchasing a license from BladeX.
|
||||
* <p>
|
||||
* 1. This software is for development use only under a valid license
|
||||
* from BladeX.
|
||||
* <p>
|
||||
* 2. Redistribution of this software's source code to any third party
|
||||
* without a commercial license is strictly prohibited.
|
||||
* <p>
|
||||
* 3. Licensees may copyright their own code but cannot use segments
|
||||
* from this software for such purposes. Copyright of this software
|
||||
* remains with BladeX.
|
||||
* <p>
|
||||
* Using this software signifies agreement to this License, and the software
|
||||
* must not be used for illegal purposes.
|
||||
* <p>
|
||||
* THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY. The author is
|
||||
* not liable for any claims arising from secondary or illegal development.
|
||||
* <p>
|
||||
* Author: Chill Zhuang (bladejava@qq.com)
|
||||
*/
|
||||
package org.springblade.core.excel.support;
|
||||
|
||||
import java.io.Serial;
|
||||
|
||||
/**
|
||||
* Excel异常处理类
|
||||
*
|
||||
* @author Chill
|
||||
*/
|
||||
public class ExcelException extends RuntimeException {
|
||||
@Serial
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public ExcelException(String message) {
|
||||
super(message);
|
||||
}
|
||||
}
|
||||
+44
@@ -0,0 +1,44 @@
|
||||
/**
|
||||
* BladeX Commercial License Agreement
|
||||
* Copyright (c) 2018-2099, https://bladex.cn. All rights reserved.
|
||||
* <p>
|
||||
* Use of this software is governed by the Commercial License Agreement
|
||||
* obtained after purchasing a license from BladeX.
|
||||
* <p>
|
||||
* 1. This software is for development use only under a valid license
|
||||
* from BladeX.
|
||||
* <p>
|
||||
* 2. Redistribution of this software's source code to any third party
|
||||
* without a commercial license is strictly prohibited.
|
||||
* <p>
|
||||
* 3. Licensees may copyright their own code but cannot use segments
|
||||
* from this software for such purposes. Copyright of this software
|
||||
* remains with BladeX.
|
||||
* <p>
|
||||
* Using this software signifies agreement to this License, and the software
|
||||
* must not be used for illegal purposes.
|
||||
* <p>
|
||||
* THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY. The author is
|
||||
* not liable for any claims arising from secondary or illegal development.
|
||||
* <p>
|
||||
* Author: Chill Zhuang (bladejava@qq.com)
|
||||
*/
|
||||
package org.springblade.core.excel.support;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Excel统一导入接口
|
||||
*
|
||||
* @author Chill
|
||||
*/
|
||||
public interface ExcelImporter<T> {
|
||||
|
||||
/**
|
||||
* 导入数据逻辑
|
||||
*
|
||||
* @param data 数据集合
|
||||
*/
|
||||
void save(List<T> data);
|
||||
|
||||
}
|
||||
@@ -0,0 +1,233 @@
|
||||
/**
|
||||
* BladeX Commercial License Agreement
|
||||
* Copyright (c) 2018-2099, https://bladex.cn. All rights reserved.
|
||||
* <p>
|
||||
* Use of this software is governed by the Commercial License Agreement
|
||||
* obtained after purchasing a license from BladeX.
|
||||
* <p>
|
||||
* 1. This software is for development use only under a valid license
|
||||
* from BladeX.
|
||||
* <p>
|
||||
* 2. Redistribution of this software's source code to any third party
|
||||
* without a commercial license is strictly prohibited.
|
||||
* <p>
|
||||
* 3. Licensees may copyright their own code but cannot use segments
|
||||
* from this software for such purposes. Copyright of this software
|
||||
* remains with BladeX.
|
||||
* <p>
|
||||
* Using this software signifies agreement to this License, and the software
|
||||
* must not be used for illegal purposes.
|
||||
* <p>
|
||||
* THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY. The author is
|
||||
* not liable for any claims arising from secondary or illegal development.
|
||||
* <p>
|
||||
* Author: Chill Zhuang (bladejava@qq.com)
|
||||
*/
|
||||
package org.springblade.core.excel.util;
|
||||
|
||||
import cn.idev.excel.FastExcel;
|
||||
import cn.idev.excel.read.builder.ExcelReaderBuilder;
|
||||
import cn.idev.excel.read.listener.ReadListener;
|
||||
import cn.idev.excel.util.DateUtils;
|
||||
import cn.idev.excel.write.builder.ExcelWriterBuilder;
|
||||
import cn.idev.excel.write.handler.WriteHandler;
|
||||
import jakarta.servlet.http.HttpServletResponse;
|
||||
import lombok.SneakyThrows;
|
||||
import org.springblade.core.excel.listener.DataListener;
|
||||
import org.springblade.core.excel.listener.ImportListener;
|
||||
import org.springblade.core.excel.support.ExcelException;
|
||||
import org.springblade.core.excel.support.ExcelImporter;
|
||||
import org.springframework.util.StringUtils;
|
||||
import org.springframework.web.multipart.MultipartFile;
|
||||
|
||||
import java.io.BufferedInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.net.URLEncoder;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.util.Date;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Excel工具类
|
||||
*
|
||||
* @author Chill
|
||||
* @apiNote https://readmex.com/fast-excel/fastexcel
|
||||
*/
|
||||
public class ExcelUtil {
|
||||
|
||||
/**
|
||||
* 读取excel的所有sheet数据
|
||||
*
|
||||
* @param excel excel文件
|
||||
* @return List<Object>
|
||||
*/
|
||||
public static <T> List<T> read(MultipartFile excel, Class<T> clazz) {
|
||||
DataListener<T> dataListener = new DataListener<>();
|
||||
ExcelReaderBuilder builder = getReaderBuilder(excel, dataListener, clazz);
|
||||
if (builder == null) {
|
||||
return null;
|
||||
}
|
||||
builder.doReadAll();
|
||||
return dataListener.getDataList();
|
||||
}
|
||||
|
||||
/**
|
||||
* 读取excel的指定sheet数据
|
||||
*
|
||||
* @param excel excel文件
|
||||
* @param sheetNo sheet序号(从0开始)
|
||||
* @return List<Object>
|
||||
*/
|
||||
public static <T> List<T> read(MultipartFile excel, int sheetNo, Class<T> clazz) {
|
||||
return read(excel, sheetNo, 1, clazz);
|
||||
}
|
||||
|
||||
/**
|
||||
* 读取excel的指定sheet数据
|
||||
*
|
||||
* @param excel excel文件
|
||||
* @param sheetNo sheet序号(从0开始)
|
||||
* @param headRowNumber 表头行数
|
||||
* @return List<Object>
|
||||
*/
|
||||
public static <T> List<T> read(MultipartFile excel, int sheetNo, int headRowNumber, Class<T> clazz) {
|
||||
DataListener<T> dataListener = new DataListener<>();
|
||||
ExcelReaderBuilder builder = getReaderBuilder(excel, dataListener, clazz);
|
||||
if (builder == null) {
|
||||
return null;
|
||||
}
|
||||
builder.sheet(sheetNo).headRowNumber(headRowNumber).doRead();
|
||||
return dataListener.getDataList();
|
||||
}
|
||||
|
||||
/**
|
||||
* 读取不校验直接导入数据
|
||||
*
|
||||
* @param excel excel文件
|
||||
* @param importer 导入逻辑类
|
||||
* @param <T> 泛型
|
||||
*/
|
||||
public static <T> void save(MultipartFile excel, ExcelImporter<T> importer, Class<T> clazz) {
|
||||
save(excel, importer, clazz, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* 读取并校验后导入数据
|
||||
*
|
||||
* @param excel excel文件
|
||||
* @param importer 导入逻辑类
|
||||
* @param clazz class类
|
||||
* @param <T> 泛型
|
||||
*/
|
||||
public static <T> void saveWithCheck(MultipartFile excel, ExcelImporter<T> importer, Class<T> clazz) {
|
||||
save(excel, importer, clazz, true);
|
||||
}
|
||||
|
||||
/**
|
||||
* 读取不校验直接导入数据
|
||||
*
|
||||
* @param excel excel文件
|
||||
* @param importer 导入逻辑类
|
||||
* @param clazz class类
|
||||
* @param <T> 泛型
|
||||
*/
|
||||
public static <T> void saveWithoutCheck(MultipartFile excel, ExcelImporter<T> importer, Class<T> clazz) {
|
||||
save(excel, importer, clazz, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* 读取并导入数据
|
||||
*
|
||||
* @param excel excel文件
|
||||
* @param importer 导入逻辑类
|
||||
* @param <T> 泛型
|
||||
* @param check 是否校验
|
||||
*/
|
||||
public static <T> void save(MultipartFile excel, ExcelImporter<T> importer, Class<T> clazz, Boolean check) {
|
||||
ImportListener<T> importListener = new ImportListener<>(importer, clazz, check);
|
||||
ExcelReaderBuilder builder = getReaderBuilder(excel, importListener, clazz);
|
||||
if (builder != null) {
|
||||
builder.doReadAll();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 导出excel
|
||||
*
|
||||
* @param response 响应类
|
||||
* @param dataList 数据列表
|
||||
* @param clazz class类
|
||||
* @param <T> 泛型
|
||||
*/
|
||||
@SneakyThrows
|
||||
public static <T> void export(HttpServletResponse response, List<T> dataList, Class<T> clazz) {
|
||||
export(response, DateUtils.format(new Date(), DateUtils.DATE_FORMAT_14), "导出数据", dataList, clazz);
|
||||
}
|
||||
|
||||
/**
|
||||
* 导出excel
|
||||
*
|
||||
* @param response 响应类
|
||||
* @param fileName 文件名
|
||||
* @param sheetName sheet名
|
||||
* @param dataList 数据列表
|
||||
* @param clazz class类
|
||||
* @param <T> 泛型
|
||||
*/
|
||||
@SneakyThrows
|
||||
public static <T> void export(HttpServletResponse response, String fileName, String sheetName, List<T> dataList, Class<T> clazz) {
|
||||
export(response, fileName, sheetName, dataList, null, clazz);
|
||||
}
|
||||
|
||||
/**
|
||||
* 导出excel
|
||||
*
|
||||
* @param response 响应类
|
||||
* @param fileName 文件名
|
||||
* @param sheetName sheet名
|
||||
* @param dataList 数据列表
|
||||
* @param clazz class类
|
||||
* @param writeHandler 自定义处理器
|
||||
* @param <T> 泛型
|
||||
*/
|
||||
@SneakyThrows
|
||||
public static <T> void export(HttpServletResponse response, String fileName, String sheetName, List<T> dataList, WriteHandler writeHandler, Class<T> clazz) {
|
||||
response.setContentType("application/vnd.ms-excel");
|
||||
response.setCharacterEncoding(StandardCharsets.UTF_8.name());
|
||||
fileName = URLEncoder.encode(fileName, StandardCharsets.UTF_8);
|
||||
response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
|
||||
|
||||
ExcelWriterBuilder write = FastExcel.write(response.getOutputStream(), clazz);
|
||||
if (writeHandler != null) {
|
||||
write.registerWriteHandler(writeHandler);
|
||||
}
|
||||
write.sheet(sheetName).doWrite(dataList);
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取构建类
|
||||
*
|
||||
* @param excel excel文件
|
||||
* @param readListener excel监听类
|
||||
* @return ExcelReaderBuilder
|
||||
*/
|
||||
public static <T> ExcelReaderBuilder getReaderBuilder(MultipartFile excel, ReadListener<T> readListener, Class<T> clazz) {
|
||||
String filename = excel.getOriginalFilename();
|
||||
if (!StringUtils.hasText(filename)) {
|
||||
throw new ExcelException("请上传文件!");
|
||||
}
|
||||
if ((!StringUtils.endsWithIgnoreCase(filename, ".xls") && !StringUtils.endsWithIgnoreCase(filename, ".xlsx"))) {
|
||||
throw new ExcelException("请上传正确的excel文件!");
|
||||
}
|
||||
InputStream inputStream;
|
||||
try {
|
||||
inputStream = new BufferedInputStream(excel.getInputStream());
|
||||
return FastExcel.read(inputStream, clazz, readListener);
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user