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梁家彪
nnjcy-data-model
Commits
2731cac6
Commit
2731cac6
authored
Oct 18, 2023
by
梁家彪
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添加excel工具类
parent
73c80096
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common-client/src/main/java/com/zq/common/utils/EasyExcelUtil.java
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common-client/src/main/java/com/zq/common/utils/EasyExcelUtil.java
0 → 100644
View file @
2731cac6
package
com
.
zq
.
common
.
utils
;
import
com.alibaba.excel.EasyExcel
;
import
com.alibaba.excel.context.AnalysisContext
;
import
com.alibaba.excel.event.AnalysisEventListener
;
import
java.io.File
;
import
java.io.FileInputStream
;
import
java.io.FileNotFoundException
;
import
java.io.InputStream
;
import
java.util.LinkedHashMap
;
import
java.util.LinkedList
;
import
java.util.List
;
import
java.util.Map
;
public
class
EasyExcelUtil
{
public
static
List
<
Map
<
String
,
Object
>>
read
(
File
file
){
try
{
return
read
(
new
FileInputStream
(
file
));
}
catch
(
FileNotFoundException
e
)
{
throw
new
RuntimeException
(
e
);
}
}
public
static
List
<
Map
<
String
,
Object
>>
read
(
InputStream
is
){
List
<
Map
<
String
,
Object
>>
list
=
new
LinkedList
<>();
EasyExcel
.
read
(
is
,
new
AnalysisEventListener
<
Map
<
Integer
,
Object
>>()
{
private
Map
<
Integer
,
String
>
headMap
;
@Override
public
void
invokeHeadMap
(
Map
<
Integer
,
String
>
headMap
,
AnalysisContext
context
)
{
this
.
headMap
=
headMap
;
}
@Override
public
void
invoke
(
Map
<
Integer
,
Object
>
valueMap
,
AnalysisContext
analysisContext
)
{
LinkedHashMap
map
=
new
LinkedHashMap
(
headMap
.
size
());
for
(
int
i
=
0
;
i
<
headMap
.
size
();
i
++){
map
.
put
(
headMap
.
get
(
i
),
valueMap
.
get
(
i
));
}
list
.
add
(
map
);
}
@Override
public
void
doAfterAllAnalysed
(
AnalysisContext
analysisContext
)
{}
}).
sheet
().
doReadSync
();
return
list
;
}
}
\ No newline at end of file
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