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framework
cloud-backend
Commits
be52d012
Commit
be52d012
authored
May 13, 2021
by
袁伟铭
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1.0.0
parent
ceddc1b7
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2 changed files
with
61 additions
and
48 deletions
+61
-48
common-utils/src/main/java/com/zq/common/utils/PagingUtils.java
+61
-0
common-utils/src/main/java/com/zq/common/utils/RandomUtils.java
+0
-48
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common-utils/src/main/java/com/zq/common/utils/PagingUtils.java
View file @
be52d012
package
com
.
zq
.
common
.
utils
;
import
cn.hutool.core.bean.BeanUtil
;
import
com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper
;
import
com.baomidou.mybatisplus.core.mapper.BaseMapper
;
import
com.baomidou.mybatisplus.core.metadata.IPage
;
import
com.baomidou.mybatisplus.core.toolkit.Wrappers
;
...
...
@@ -19,6 +20,15 @@ import java.util.function.Function;
*/
public
abstract
class
PagingUtils
{
/**
* pagehelper分页插件
*
* @param reqVo
* @param rowsLoader
* @param <R>
* @param <Q>
* @return
*/
@SuppressWarnings
(
"all"
)
public
static
<
R
,
Q
extends
PageReqVo
>
PageVo
<
R
>
paging
(
Q
reqVo
,
Function
<
Q
,
List
<
R
>>
rowsLoader
)
{
PageHelper
.
startPage
(
reqVo
.
getPage
(),
reqVo
.
getSize
());
...
...
@@ -26,6 +36,16 @@ public abstract class PagingUtils {
return
PageVo
.
ofReqVo
(
reqVo
,
page
.
getResult
(),
Long
.
valueOf
(
page
.
getTotal
()).
intValue
());
}
/**
* mybatis-plus自带分页插件
*
* @param reqVo
* @param mapper
* @param clazz
* @param <R>
* @param <Q>
* @return
*/
public
static
<
R
,
Q
extends
PageReqVo
>
PageVo
<
R
>
paging
(
Q
reqVo
,
BaseMapper
<
R
>
mapper
,
Class
<
R
>
clazz
)
{
R
instance
;
try
{
...
...
@@ -39,4 +59,45 @@ public abstract class PagingUtils {
return
PageVo
.
ofReqVo
(
reqVo
,
page
.
getRecords
(),
Long
.
valueOf
(
page
.
getTotal
()).
intValue
());
}
/**
* mybatis-plus自带分页插件
*
* @param reqVo
* @param mapper
* @param clazz
* @param <R>
* @param <Q>
* @return
*/
@SuppressWarnings
(
"all"
)
public
static
<
R
,
Q
extends
PageReqVo
>
PageVo
<
R
>
paging
(
Q
reqVo
,
BaseMapper
<
R
>
mapper
,
LambdaQueryWrapper
<
R
>
lambdaQuery
)
{
IPage
<
R
>
page
=
new
Page
<>(
reqVo
.
getPage
(),
reqVo
.
getSize
());
page
=
mapper
.
selectPage
(
page
,
lambdaQuery
);
return
PageVo
.
ofReqVo
(
reqVo
,
page
.
getRecords
(),
Long
.
valueOf
(
page
.
getTotal
()).
intValue
());
}
/**
* mybatis-plus自带分页插件
*
* @param reqVo
* @param mapper
* @param clazz
* @param <R>
* @param <Q>
* @return
*/
@SuppressWarnings
(
"all"
)
public
static
<
R
,
Q
extends
PageReqVo
>
PageVo
<
R
>
paging
(
Q
reqVo
,
BaseMapper
<
R
>
mapper
,
Class
<
R
>
clazz
,
LambdaQueryWrapper
<
R
>
lambdaQuery
)
{
R
instance
;
try
{
instance
=
clazz
.
newInstance
();
}
catch
(
InstantiationException
|
IllegalAccessException
e
)
{
throw
new
BusinessException
(
"分页类型转换错误"
);
}
BeanUtil
.
copyProperties
(
reqVo
,
instance
);
IPage
<
R
>
page
=
new
Page
<>(
reqVo
.
getPage
(),
reqVo
.
getSize
());
page
=
mapper
.
selectPage
(
page
,
lambdaQuery
.
setEntity
(
instance
));
return
PageVo
.
ofReqVo
(
reqVo
,
page
.
getRecords
(),
Long
.
valueOf
(
page
.
getTotal
()).
intValue
());
}
}
common-utils/src/main/java/com/zq/common/utils/RandomUtils.java
deleted
100644 → 0
View file @
ceddc1b7
package
com
.
zq
.
common
.
utils
;
public
class
RandomUtils
{
/**
* 随机睡眠时间,单位秒
*
* @param min
* @param max
*/
public
static
void
threadSleepSeconds
(
double
min
,
double
max
)
{
try
{
min
=
min
*
1000
;
max
=
max
*
1000
;
Thread
.
sleep
((
long
)
(
min
+
Math
.
random
()
*
(
max
-
min
+
1
)));
}
catch
(
InterruptedException
e
)
{
e
.
printStackTrace
();
}
}
/**
* 随机睡眠时间,单位分
*
* @param min
* @param max
*/
public
static
void
threadSleepMinutes
(
double
min
,
double
max
)
{
try
{
min
=
min
*
60
*
1000
;
max
=
max
*
60
*
1000
;
Thread
.
sleep
((
long
)
(
min
+
Math
.
random
()
*
(
max
-
min
+
1
)));
}
catch
(
InterruptedException
e
)
{
e
.
printStackTrace
();
}
}
/**
* 获取指定范围的数字字符串
*
* @param min
* @param max
* @return
*/
public
static
Integer
getInteger
(
int
min
,
int
max
)
{
return
(
int
)
(
min
+
Math
.
random
()
*
(
max
-
min
+
1
));
}
}
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