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YZG
yzg-util
Commits
25d25f24
Commit
25d25f24
authored
Oct 29, 2019
by
yanzg
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接口文档的支持
parent
19f5d621
Changes
1
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1 changed file
with
39 additions
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1 deletion
+39
-1
MapHelper.java
.../src/main/java/com/yanzuoguang/util/helper/MapHelper.java
+39
-1
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yzg-util-base/src/main/java/com/yanzuoguang/util/helper/MapHelper.java
View file @
25d25f24
package
com
.
yanzuoguang
.
util
.
helper
;
package
com
.
yanzuoguang
.
util
.
helper
;
import
java.util.ArrayList
;
import
java.util.HashMap
;
import
java.util.HashMap
;
import
java.util.List
;
import
java.util.List
;
import
java.util.Map
;
import
java.util.Map
;
...
@@ -9,7 +10,7 @@ public class MapHelper {
...
@@ -9,7 +10,7 @@ public class MapHelper {
/**
/**
* 将一个对象列表转换为HashMap
* 将一个对象列表转换为HashMap
*
*
* @param list
需要转换的列表
* @param list 需要转换的列表
* @param <T>
* @param <T>
* @return
* @return
*/
*/
...
@@ -39,6 +40,43 @@ public class MapHelper {
...
@@ -39,6 +40,43 @@ public class MapHelper {
return
map
;
return
map
;
}
}
/**
* 将一个对象列表转换为HashMap
*
* @param list 需要转换的列表
* @param <T>
* @return
*/
public
static
<
T
extends
MapKey
>
List
<
String
>
getKeys
(
List
<
T
>
list
)
{
List
<
String
>
to
=
new
ArrayList
<>();
for
(
T
item
:
list
)
{
String
key
=
item
.
getKey
(
item
);
if
(!
to
.
contains
(
key
))
{
to
.
add
(
key
);
}
}
return
to
;
}
/**
* 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
>
List
<
String
>
getKeys
(
List
<
T
>
list
,
MapKey
<
T
>
proxy
)
{
List
<
String
>
to
=
new
ArrayList
<>();
for
(
T
item
:
list
)
{
String
key
=
proxy
.
getKey
(
item
);
if
(!
to
.
contains
(
key
))
{
to
.
add
(
key
);
}
}
return
to
;
}
/**
/**
* 一个获取对象关键字的处理函数
* 一个获取对象关键字的处理函数
*
*
...
...
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