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YZG
yzg-util
Commits
bafd2fc1
Commit
bafd2fc1
authored
Oct 29, 2019
by
yanzg
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接口文档的支持
parent
90d10abb
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MapHelper.java
.../src/main/java/com/yanzuoguang/util/helper/MapHelper.java
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yzg-util-base/src/main/java/com/yanzuoguang/util/helper/MapHelper.java
0 → 100644
View file @
bafd2fc1
package
com
.
yanzuoguang
.
util
.
helper
;
import
java.util.HashMap
;
import
java.util.List
;
import
java.util.Map
;
public
class
MapHelper
{
/**
* 将一个对象列表转换为HashMap
*
* @param list 需要转换的列表
* @param proxy 获取主键的函数
* @param <T>
* @return
*/
public
static
<
T
extends
Object
>
Map
<
String
,
T
>
getMap
(
List
<
T
>
list
,
MapKey
<
T
>
proxy
)
{
Map
<
String
,
T
>
map
=
new
HashMap
<>();
for
(
T
item
:
list
)
{
String
key
=
proxy
.
getKey
(
item
);
map
.
put
(
key
,
item
);
}
return
map
;
}
/**
* 一个获取对象关键字的处理函数
*
* @param <T>
*/
public
interface
MapKey
<
T
>
{
String
getKey
(
T
from
);
}
}
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