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change csv export type,use write to append

4.1.3.A
jueyue vor 5 Jahren
Ursprung
Commit
75f3eaec46
4 geänderte Dateien mit 131 neuen und 4 gelöschten Zeilen
  1. +1
    -1
      easypoi-base/src/main/java/cn/afterturn/easypoi/cache/WordCache.java
  2. +3
    -0
      easypoi-base/src/main/java/cn/afterturn/easypoi/csv/CsvExportUtil.java
  3. +124
    -0
      easypoi-base/src/main/java/cn/afterturn/easypoi/util/PoiZipUtil.java
  4. +3
    -3
      easypoi-base/src/main/java/cn/afterturn/easypoi/word/parse/ParseWord07.java

+ 1
- 1
easypoi-base/src/main/java/cn/afterturn/easypoi/cache/WordCache.java Datei anzeigen

@@ -33,7 +33,7 @@ public class WordCache {
private static final Logger LOGGER = LoggerFactory.getLogger(WordCache.class);
public static MyXWPFDocument getXWPFDocumen(String url) {
public static MyXWPFDocument getXWPFDocument(String url) {
InputStream is = null;
try {
is = POICacheManager.getFile(url);


+ 3
- 0
easypoi-base/src/main/java/cn/afterturn/easypoi/csv/CsvExportUtil.java Datei anzeigen

@@ -3,7 +3,10 @@ package cn.afterturn.easypoi.csv;
import cn.afterturn.easypoi.csv.entity.CsvExportParams;
import cn.afterturn.easypoi.csv.export.CsvExportService;
import cn.afterturn.easypoi.excel.entity.params.ExcelExportEntity;
import cn.afterturn.easypoi.util.PoiZipUtil;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.Collection;


+ 124
- 0
easypoi-base/src/main/java/cn/afterturn/easypoi/util/PoiZipUtil.java Datei anzeigen

@@ -0,0 +1,124 @@
package cn.afterturn.easypoi.util;

import org.apache.poi.util.IOUtils;

import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

/**
* 方便压缩文件使用
*
* @author jueyue on 19-10-31.
*/
public class PoiZipUtil {
private static final int BUFFER_SIZE = 2 * 1024;

/**
* 压缩成ZIP 方法1
*
* @param srcDir 压缩文件夹路径
* @param out 压缩文件输出流
* @param KeepDirStructure 是否保留原来的目录结构,true:保留目录结构;
* false:所有文件跑到压缩包根目录下(注意:不保留目录结构可能会出现同名文件,会压缩失败)
* @throws RuntimeException 压缩失败会抛出运行时异常
*/
public static void toZip(String srcDir, OutputStream out, boolean KeepDirStructure)
throws RuntimeException {

ZipOutputStream zos = null;
try {
zos = new ZipOutputStream(out);
File sourceFile = new File(srcDir);
compress(sourceFile, zos, sourceFile.getName(), KeepDirStructure);
} catch (Exception e) {
throw new RuntimeException("zip error from ZipUtils", e);
} finally {
IOUtils.closeQuietly(zos);
}
}

/**
* 压缩成ZIP 方法2
*
* @param srcFiles 需要压缩的文件列表
* @param out 压缩文件输出流
* @throws RuntimeException 压缩失败会抛出运行时异常
*/
public static void toZip(List<File> srcFiles, OutputStream out) throws RuntimeException {
long start = System.currentTimeMillis();
ZipOutputStream zos = null;
try {
zos = new ZipOutputStream(out);
for (File srcFile : srcFiles) {
byte[] buf = new byte[BUFFER_SIZE];
zos.putNextEntry(new ZipEntry(srcFile.getName()));
int len;
FileInputStream in = new FileInputStream(srcFile);
while ((len = in.read(buf)) != -1) {
zos.write(buf, 0, len);
}
zos.closeEntry();
in.close();
}
long end = System.currentTimeMillis();
} catch (Exception e) {
throw new RuntimeException("zip error from ZipUtils", e);
} finally {
IOUtils.closeQuietly(zos);
}
}

/**
* 递归压缩方法
*
* @param sourceFile 源文件
* @param zos zip输出流
* @param name 压缩后的名称
* @param KeepDirStructure 是否保留原来的目录结构,true:保留目录结构;
* false:所有文件跑到压缩包根目录下(注意:不保留目录结构可能会出现同名文件,会压缩失败)
* @throws Exception
*/
private static void compress(File sourceFile, ZipOutputStream zos, String name,
boolean KeepDirStructure) throws Exception {
byte[] buf = new byte[BUFFER_SIZE];
if (sourceFile.isFile()) {
// 向zip输出流中添加一个zip实体,构造器中name为zip实体的文件的名字
zos.putNextEntry(new ZipEntry(name));
// copy文件到zip输出流中
int len;
FileInputStream in = new FileInputStream(sourceFile);
while ((len = in.read(buf)) != -1) {
zos.write(buf, 0, len);
}
// Complete the entry
zos.closeEntry();
in.close();
} else {
File[] listFiles = sourceFile.listFiles();
if (listFiles == null || listFiles.length == 0) {
// 需要保留原来的文件结构时,需要对空文件夹进行处理
if (KeepDirStructure) {
// 空文件夹的处理
zos.putNextEntry(new ZipEntry(name + "/"));
// 没有文件,不需要文件的copy
zos.closeEntry();
}
} else {
for (File file : listFiles) {
// 判断是否需要保留原来的文件结构
if (KeepDirStructure) {
// 注意:file.getName()前面需要带上父文件夹的名字加一斜杠,
// 不然最后压缩包中就不能保留原来的文件结构,即:所有文件都跑到压缩包根目录下了
compress(file, zos, name + "/" + file.getName(), KeepDirStructure);
} else {
compress(file, zos, file.getName(), KeepDirStructure);
}
}
}
}
}
}

+ 3
- 3
easypoi-base/src/main/java/cn/afterturn/easypoi/word/parse/ParseWord07.java Datei anzeigen

@@ -212,7 +212,7 @@ public class ParseWord07 {
* 2013-11-16
*/
public XWPFDocument parseWord(String url, Map<String, Object> map) throws Exception {
MyXWPFDocument doc = WordCache.getXWPFDocumen(url);
MyXWPFDocument doc = WordCache.getXWPFDocument(url);
parseWordSetValue(doc, map);
return doc;
}
@@ -230,12 +230,12 @@ public class ParseWord07 {
} else if (list.size() == 0) {
return null;
} else {
MyXWPFDocument doc = WordCache.getXWPFDocumen(url);
MyXWPFDocument doc = WordCache.getXWPFDocument(url);
parseWordSetValue(doc, list.get(0));
//插入分页
doc.createParagraph().setPageBreak(true);
for (int i = 1; i < list.size(); i++) {
MyXWPFDocument tempDoc = WordCache.getXWPFDocumen(url);
MyXWPFDocument tempDoc = WordCache.getXWPFDocument(url);
parseWordSetValue(tempDoc, list.get(i));
tempDoc.createParagraph().setPageBreak(true);
doc.getDocument().addNewBody().set(tempDoc.getDocument().getBody());


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