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我正在使用Jxls將數據寫入excel文件。Jxls:變壓器爲空
對於我有一個XLS模板R.raw.object_collection_xmlbuilder_template_products_list
這是*/res>raw
文件夾和XML構建文件R.xml.excel_template_products_list
是*/res>xml
文件夾中。
try (InputStream is = mContext.getResources().openRawResource(R.raw.object_collection_xmlbuilder_template_products_list)) {
try (OutputStream os = new FileOutputStream(excel_file)) {
Transformer transformer = TransformerFactory.createTransformer(is, os);
try (InputStream configInputStream = mContext.getResources().openRawResource(+R.xml.excel_template_products_list)) {
AreaBuilder areaBuilder = new XmlAreaBuilder(configInputStream, transformer);
List<Area> xlsAreaList = areaBuilder.build();
Area xlsArea = xlsAreaList.get(0);
org.jxls.common.Context context = new org.jxls.common.Context();
context.putVar("products", hashmap_list);
xlsArea.applyAt(new CellRef("Result!A1"), context);
transformer.write();
}
}
} catch (Exception ex) {
aLog.error(ex);
}
但是Transformer對象返回爲null。 而對於線List<Area> xlsAreaList = areaBuilder.build();
,它拋出:
Method threw 'java.lang.NoClassDefFoundError'
exception.org.jxls.builder.xml.AreaAction
這些都是jar
文件我補充說:
'libs/jxls-2.4.0.jar'
'libs/jxls-poi-1.0.12.jar'
'libs/slf4j.api-1.6.1.jar'
一個解決方案建議我加入Maven的依賴,就像這樣:
maven {
url "https://repo1.maven.org/maven2/"
}
但我仍然得到例外。
因此,任何想法爲什麼變壓器可能爲空,我該如何修復異常?謝謝。
編輯: 這是XML內容:
<?xml version="1.0" encoding="utf-8"?>
<xls>
<area ref="Template!A1:T31">
<each items="products" var="products" ref="Template!A4:T31">
<area ref="Template!A4:T31"/>
</each>
</area>
</xls>