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76f2273d
编写于
10月 10, 2021
作者:
R
RuoYi
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电子邮件补丁
差异文件
Excel导入支持@Excels注解
上级
dda78c95
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
34 addition
and
36 deletion
+34
-36
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
.../main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
+34
-36
未找到文件。
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
浏览文件 @
76f2273d
...
...
@@ -237,22 +237,15 @@ public class ExcelUtil<T>
}
}
// 有数据时才处理 得到类的所有field.
Field
[]
allFields
=
clazz
.
getDeclaredFields
();
// 定义一个map用于存放列的序号和field.
Map
<
Integer
,
Field
>
fieldsMap
=
new
HashMap
<
Integer
,
Field
>();
for
(
int
col
=
0
;
col
<
allFields
.
length
;
col
++)
List
<
Object
[]>
fields
=
this
.
getFields
();
Map
<
Integer
,
Object
[]>
fieldsMap
=
new
HashMap
<
Integer
,
Object
[]>();
for
(
Object
[]
objects
:
fields
)
{
Field
field
=
allFields
[
col
];
Excel
attr
=
field
.
getAnnotation
(
Excel
.
class
);
if
(
attr
!=
null
&&
(
attr
.
type
()
==
Type
.
ALL
||
attr
.
type
()
==
type
)
)
Excel
attr
=
(
Excel
)
objects
[
1
];
Integer
column
=
cellMap
.
get
(
attr
.
name
()
);
if
(
column
!=
null
)
{
// 设置类的私有字段属性可访问.
field
.
setAccessible
(
true
);
Integer
column
=
cellMap
.
get
(
attr
.
name
());
if
(
column
!=
null
)
{
fieldsMap
.
put
(
column
,
field
);
}
fieldsMap
.
put
(
column
,
objects
);
}
}
for
(
int
i
=
titleNum
+
1
;
i
<=
rows
;
i
++)
...
...
@@ -265,14 +258,15 @@ public class ExcelUtil<T>
continue
;
}
T
entity
=
null
;
for
(
Map
.
Entry
<
Integer
,
Field
>
entry
:
fieldsMap
.
entrySet
())
for
(
Map
.
Entry
<
Integer
,
Object
[]
>
entry
:
fieldsMap
.
entrySet
())
{
Object
val
=
this
.
getCellValue
(
row
,
entry
.
getKey
());
// 如果不存在实例则新建.
entity
=
(
entity
==
null
?
clazz
.
newInstance
()
:
entity
);
// 从map中得到对应列的field.
Field
field
=
fieldsMap
.
get
(
entry
.
getKey
());
Field
field
=
(
Field
)
entry
.
getValue
()[
0
];
Excel
attr
=
(
Excel
)
entry
.
getValue
()[
1
];
// 取得类型,并根据对象类型设置值.
Class
<?>
fieldType
=
field
.
getType
();
if
(
String
.
class
==
fieldType
)
...
...
@@ -332,7 +326,6 @@ public class ExcelUtil<T>
}
if
(
StringUtils
.
isNotNull
(
fieldType
))
{
Excel
attr
=
field
.
getAnnotation
(
Excel
.
class
);
String
propertyName
=
field
.
getName
();
if
(
StringUtils
.
isNotEmpty
(
attr
.
targetAttr
()))
{
...
...
@@ -490,8 +483,6 @@ public class ExcelUtil<T>
{
Field
field
=
(
Field
)
os
[
0
];
Excel
excel
=
(
Excel
)
os
[
1
];
// 设置实体类私有属性可访问
field
.
setAccessible
(
true
);
this
.
addCell
(
excel
,
row
,
vo
,
field
,
column
++);
}
}
...
...
@@ -988,7 +979,17 @@ public class ExcelUtil<T>
*/
private
void
createExcelField
()
{
this
.
fields
=
new
ArrayList
<
Object
[]>();
this
.
fields
=
getFields
();
this
.
fields
=
this
.
fields
.
stream
().
sorted
(
Comparator
.
comparing
(
objects
->
((
Excel
)
objects
[
1
]).
sort
())).
collect
(
Collectors
.
toList
());
this
.
maxHeight
=
getRowHeight
();
}
/**
* 获取字段注解信息
*/
public
List
<
Object
[]>
getFields
()
{
List
<
Object
[]>
fields
=
new
ArrayList
<
Object
[]>();
List
<
Field
>
tempFields
=
new
ArrayList
<>();
tempFields
.
addAll
(
Arrays
.
asList
(
clazz
.
getSuperclass
().
getDeclaredFields
()));
tempFields
.
addAll
(
Arrays
.
asList
(
clazz
.
getDeclaredFields
()));
...
...
@@ -997,7 +998,12 @@ public class ExcelUtil<T>
// 单注解
if
(
field
.
isAnnotationPresent
(
Excel
.
class
))
{
putToField
(
field
,
field
.
getAnnotation
(
Excel
.
class
));
Excel
attr
=
field
.
getAnnotation
(
Excel
.
class
);
if
(
attr
!=
null
&&
(
attr
.
type
()
==
Type
.
ALL
||
attr
.
type
()
==
type
))
{
field
.
setAccessible
(
true
);
fields
.
add
(
new
Object
[]
{
field
,
attr
});
}
}
// 多注解
...
...
@@ -1005,14 +1011,17 @@ public class ExcelUtil<T>
{
Excels
attrs
=
field
.
getAnnotation
(
Excels
.
class
);
Excel
[]
excels
=
attrs
.
value
();
for
(
Excel
excel
:
excels
)
for
(
Excel
attr
:
excels
)
{
putToField
(
field
,
excel
);
if
(
attr
!=
null
&&
(
attr
.
type
()
==
Type
.
ALL
||
attr
.
type
()
==
type
))
{
field
.
setAccessible
(
true
);
fields
.
add
(
new
Object
[]
{
field
,
attr
});
}
}
}
}
this
.
fields
=
this
.
fields
.
stream
().
sorted
(
Comparator
.
comparing
(
objects
->
((
Excel
)
objects
[
1
]).
sort
())).
collect
(
Collectors
.
toList
());
this
.
maxHeight
=
getRowHeight
();
return
fields
;
}
/**
...
...
@@ -1029,17 +1038,6 @@ public class ExcelUtil<T>
return
(
short
)
(
maxHeight
*
20
);
}
/**
* 放到字段集合中
*/
private
void
putToField
(
Field
field
,
Excel
attr
)
{
if
(
attr
!=
null
&&
(
attr
.
type
()
==
Type
.
ALL
||
attr
.
type
()
==
type
))
{
this
.
fields
.
add
(
new
Object
[]
{
field
,
attr
});
}
}
/**
* 创建一个工作簿
*/
...
...
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