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youjj
cloud-platform
Commits
6ca64e57
Commit
6ca64e57
authored
Oct 08, 2019
by
周健威
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修改代码
parent
5468d332
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.gitignore
.gitignore
+1
-1
RegionTest.java
xx-order/xx-order-server/src/test/java/RegionTest.java
+61
-0
RegionTest.java
...r/src/test/java/com/xxfc/platform/vehicle/RegionTest.java
+226
-0
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.gitignore
View file @
6ca64e57
...
@@ -7,7 +7,7 @@ target/
...
@@ -7,7 +7,7 @@ target/
.settings/
.settings/
.classpath
.classpath
ace-modules/ace-tool/src/main/resources/application-dev.yml
ace-modules/ace-tool/src/main/resources/application-dev.yml
**/src/test
#
**/src/test
**/logs
**/logs
xx-order/xx-order-server/logs/**
xx-order/xx-order-server/logs/**
*.log
*.log
...
...
xx-order/xx-order-server/src/test/java/RegionTest.java
0 → 100644
View file @
6ca64e57
package
com
.
xxfc
.
platform
.
order
;
import
cn.hutool.extra.template.Template
;
import
cn.hutool.extra.template.TemplateConfig
;
import
cn.hutool.extra.template.TemplateEngine
;
import
cn.hutool.extra.template.TemplateUtil
;
import
com.xxfc.platform.order.biz.BaseOrderBiz
;
import
lombok.extern.slf4j.Slf4j
;
import
org.junit.Test
;
import
org.junit.runner.RunWith
;
import
org.springframework.beans.factory.annotation.Autowired
;
import
org.springframework.boot.test.context.SpringBootTest
;
import
org.springframework.test.context.junit4.SpringJUnit4ClassRunner
;
import
java.util.HashMap
;
@Slf4j
@RunWith
(
SpringJUnit4ClassRunner
.
class
)
@SpringBootTest
(
classes
={
OrderApplication
.
class
})
public
class
RegionTest
{
// @Autowired
// BaseOrderBiz baseOrderBiz;
@Test
public
void
test
()
{
//自动根据用户引入的模板引擎库的jar来自动选择使用的引擎
//TemplateConfig为模板引擎的选项,可选内容有字符编码、模板路径、模板加载方式等,默认通过模板字符串渲染
TemplateEngine
engine
=
TemplateUtil
.
createEngine
(
new
TemplateConfig
());
//假设我们引入的是Beetl引擎,则:
//Template template = engine.getTemplate("{\"key\":\"费用明细\",\"val\":\"\",\"children\":[{\"key\":\"车辆租赁费\",\"val\":\"¥${vehicleAmount}\",\"children\":[{\"key\":\"${modelName}\",\"val\":\"¥${modelAmount}/天\"},{\"key\":\"租用天数\",\"val\":\"${dayNum}天\"},{\"key\":\"房车数量\",\"val\":\"${vehicleNum}辆\"}]},{\"key\":\"服务费(司机)\",\"val\":\"¥${driverAmount}\",\"children\":[{\"key\":\"欣新司机\",\"val\":\"¥${driverPrice}/天\"},{\"key\":\"司机数量\",\"val\":\"{driverNum}个\"},{\"key\":\"房车数量\",\"val\":\"${dayNum}天\"}]},{\"key\":\"用车押金\",\"val\":\"¥${deposit}\"}]}");
Template
template
=
engine
.
getTemplate
(
"${[a,b,c]}"
);
//Dict本质上为Map,此处可用Map
// String result = template.render(Dict.create().set("name", "Hutool").set("name2", "Hutool2"));
String
result
=
""
;
result
=
template
.
render
(
new
HashMap
<
String
,
Object
>(){{
put
(
"a"
,
123
);
put
(
"b"
,
456
);
put
(
"c"
,
789
);
}});
//template.render(
//Dict.parse(new RentVehiclePriceVO(new BigDecimal("126800.03"), new BigDecimal("106800.03"), new BigDecimal("105000.03"), new BigDecimal("1800"), new BigDecimal("20000"))));
// RentVehiclePriceVO.builder()
// .orderAmount(new BigDecimal("126800.03"))
// .goodsAmount(new BigDecimal("106800.03"))
// .vehicleAmount(new BigDecimal("105000.03"))
// .driverAmount(new BigDecimal("1800"))
// .deposit(new BigDecimal("20000")).build()
//输出:Hello Hutool
log
.
info
(
result
);
}
}
xx-vehicle/xx-vehicle-server/src/test/java/com/xxfc/platform/vehicle/RegionTest.java
0 → 100644
View file @
6ca64e57
package
com
.
xxfc
.
platform
.
vehicle
;
import
cn.hutool.core.comparator.PinyinComparator
;
import
cn.hutool.core.date.DateUnit
;
import
cn.hutool.core.date.DateUtil
;
import
cn.hutool.core.io.FileUtil
;
import
cn.hutool.core.io.file.FileWriter
;
import
cn.hutool.core.util.PinyinUtil
;
import
cn.hutool.core.util.StrUtil
;
import
cn.hutool.json.JSONUtil
;
import
com.ace.cache.annotation.Cache
;
import
com.alibaba.fastjson.JSONObject
;
import
com.github.stuxuhai.jpinyin.PinyinHelper
;
import
com.github.wxiaoqi.security.common.msg.TableResultResponse
;
import
com.github.wxiaoqi.security.common.util.Query
;
import
com.google.common.collect.Sets
;
import
com.mysql.cj.conf.RuntimeProperty
;
import
com.xxfc.platform.vehicle.VehicleApplication
;
import
com.xxfc.platform.vehicle.biz.SysRegionBiz
;
import
com.xxfc.platform.vehicle.constant.RedisKey
;
import
com.xxfc.platform.vehicle.entity.SysRegion
;
import
lombok.Builder
;
import
lombok.Data
;
import
lombok.Getter
;
import
lombok.Setter
;
import
org.joda.time.DateTime
;
import
org.junit.Test
;
import
org.junit.runner.RunWith
;
import
org.springframework.beans.factory.annotation.Autowired
;
import
org.springframework.boot.test.context.SpringBootTest
;
import
org.springframework.data.redis.core.RedisTemplate
;
import
org.springframework.test.context.junit4.SpringJUnit4ClassRunner
;
import
java.io.PrintStream
;
import
java.util.*
;
@RunWith
(
SpringJUnit4ClassRunner
.
class
)
@SpringBootTest
(
classes
={
VehicleApplication
.
class
})
public
class
RegionTest
{
@Autowired
private
RedisTemplate
customRedisTemplate
;
@Autowired
private
SysRegionBiz
sysRegionBiz
;
// public static final String TEST_REDIS_KEY ="redis:{1}";
private
final
String
TEST_REDIS_KEY
=
"redis:{1}"
;
@Data
public
class
Title
{
String
title
;
List
<
String
>
lists
;
}
@Data
public
class
City
{
List
<
Title
>
city
;
}
@Data
public
class
NewData
{
Long
id
;
String
name
;
String
lat
;
String
lon
;
}
@Data
public
class
NewTitle
{
String
title
;
List
<
NewData
>
lists
;
}
@Data
public
class
NewCity
{
List
<
NewTitle
>
city
;
}
@Test
public
void
test
()
throws
Exception
{
String
jsonstr
=
"{\"city\":[{\"title\":\"A\",\"lists\":[\"阿坝\",\"阿拉善\",\"阿里\",\"安康\",\"安庆\",\"鞍山\",\"安顺\",\"安阳\",\"澳门\"]},{\"title\":\"B\",\"lists\":[\"北京\",\"白银\",\"保定\",\"宝鸡\",\"保山\",\"包头\",\"巴中\",\"北海\",\"蚌埠\",\"本溪\",\"毕节\",\"滨州\",\"百色\",\"亳州\"]},{\"title\":\"C\",\"lists\":[\"重庆\",\"成都\",\"长沙\",\"长春\",\"沧州\",\"常德\",\"昌都\",\"长治\",\"常州\",\"巢湖\",\"潮州\",\"承德\",\"郴州\",\"赤峰\",\"池州\",\"崇左\",\"楚雄\",\"滁州\",\"朝阳\"]},{\"title\":\"D\",\"lists\":[\"大连\",\"东莞\",\"大理\",\"丹东\",\"大庆\",\"大同\",\"大兴安岭\",\"德宏\",\"德阳\",\"德州\",\"定西\",\"迪庆\",\"东营\"]},{\"title\":\"E\",\"lists\":[\"鄂尔多斯\",\"恩施\",\"鄂州\"]},{\"title\":\"F\",\"lists\":[\"福州\",\"防城港\",\"佛山\",\"抚顺\",\"抚州\",\"阜新\",\"阜阳\"]},{\"title\":\"G\",\"lists\":[\"广州\",\"桂林\",\"贵阳\",\"甘南\",\"赣州\",\"甘孜\",\"广安\",\"广元\",\"贵港\",\"果洛\"]},{\"title\":\"H\",\"lists\":[\"杭州\",\"哈尔滨\",\"合肥\",\"海口\",\"呼和浩特\",\"海北\",\"海东\",\"海南\",\"海西\",\"邯郸\",\"汉中\",\"鹤壁\",\"河池\",\"鹤岗\",\"黑河\",\"衡水\",\"衡阳\",\"河源\",\"贺州\",\"红河\",\"淮安\",\"淮北\",\"怀化\",\"淮南\",\"黄冈\",\"黄南\",\"黄山\",\"黄石\",\"惠州\",\"葫芦岛\",\"呼伦贝尔\",\"湖州\",\"菏泽\"]},{\"title\":\"J\",\"lists\":[\"济南\",\"佳木斯\",\"吉安\",\"江门\",\"焦作\",\"嘉兴\",\"嘉峪关\",\"揭阳\",\"吉林\",\"金昌\",\"晋城\",\"景德镇\",\"荆门\",\"荆州\",\"金华\",\"济宁\",\"晋中\",\"锦州\",\"九江\",\"酒泉\"]},{\"title\":\"K\",\"lists\":[\"昆明\",\"开封\"]},{\"title\":\"L\",\"lists\":[\"兰州\",\"拉萨\",\"来宾\",\"莱芜\",\"廊坊\",\"乐山\",\"凉山\",\"连云港\",\"聊城\",\"辽阳\",\"辽源\",\"丽江\",\"临沧\",\"临汾\",\"临夏\",\"临沂\",\"林芝\",\"丽水\",\"六安\",\"六盘水\",\"柳州\",\"陇南\",\"龙岩\",\"娄底\",\"漯河\",\"洛阳\",\"泸州\",\"吕梁\"]},{\"title\":\"M\",\"lists\":[\"马鞍山\",\"茂名\",\"眉山\",\"梅州\",\"绵阳\",\"牡丹江\"]},{\"title\":\"N\",\"lists\":[\"南京\",\"南昌\",\"南宁\",\"宁波\",\"南充\",\"南平\",\"南通\",\"南阳\",\"那曲\",\"内江\",\"宁德\",\"怒江\"]},{\"title\":\"P\",\"lists\":[\"盘锦\",\"攀枝花\",\"平顶山\",\"平凉\",\"萍乡\",\"莆田\",\"濮阳\"]},{\"title\":\"Q\",\"lists\":[\"青岛\",\"黔东南\",\"黔南\",\"黔西南\",\"庆阳\",\"清远\",\"秦皇岛\",\"钦州\",\"齐齐哈尔\",\"泉州\",\"曲靖\",\"衢州\"]},{\"title\":\"R\",\"lists\":[\"日喀则\",\"日照\"]},{\"title\":\"S\",\"lists\":[\"上海\",\"深圳\",\"苏州\",\"沈阳\",\"石家庄\",\"三门峡\",\"三明\",\"三亚\",\"商洛\",\"商丘\",\"上饶\",\"山南\",\"汕头\",\"汕尾\",\"韶关\",\"绍兴\",\"邵阳\",\"十堰\",\"朔州\",\"四平\",\"绥化\",\"遂宁\",\"随州\",\"宿迁\",\"宿州\"]},{\"title\":\"T\",\"lists\":[\"天津\",\"太原\",\"泰安\",\"泰州\",\"台州\",\"唐山\",\"天水\",\"铁岭\",\"铜川\",\"通化\",\"通辽\",\"铜陵\",\"铜仁\",\"台湾\"]},{\"title\":\"W\",\"lists\":[\"武汉\",\"乌鲁木齐\",\"无锡\",\"威海\",\"潍坊\",\"文山\",\"温州\",\"乌海\",\"芜湖\",\"乌兰察布\",\"武威\",\"梧州\"]},{\"title\":\"X\",\"lists\":[\"厦门\",\"西安\",\"西宁\",\"襄阳\",\"湘潭\",\"湘西\",\"咸宁\",\"咸阳\",\"孝感\",\"邢台\",\"新乡\",\"信阳\",\"新余\",\"忻州\",\"西双版纳\",\"宣城\",\"许昌\",\"徐州\",\"香港\",\"锡林郭勒\",\"兴安\"]},{\"title\":\"Y\",\"lists\":[\"银川\",\"雅安\",\"延安\",\"延边\",\"盐城\",\"阳江\",\"阳泉\",\"扬州\",\"烟台\",\"宜宾\",\"宜昌\",\"宜春\",\"营口\",\"益阳\",\"永州\",\"岳阳\",\"榆林\",\"运城\",\"云浮\",\"玉树\",\"玉溪\",\"玉林\"]},{\"title\":\"Z\",\"lists\":[\"杂多县\",\"赞皇县\",\"枣强县\",\"枣阳市\",\"枣庄\",\"泽库县\",\"曾都区\",\"泽普县\",\"泽州县\",\"札达县\",\"扎赉特旗\",\"扎兰屯市\",\"扎鲁特旗\",\"扎囊县\",\"张北县\",\"张店区\",\"章贡区\",\"张家港\",\"张家界\",\"张家口\",\"漳平市\",\"漳浦县\",\"章丘市\",\"樟树市\",\"张湾区\",\"彰武县\",\"漳县\",\"张掖\",\"漳州\",\"长子县\",\"湛河区\",\"湛江\",\"站前区\",\"沾益县\",\"诏安县\",\"召陵区\",\"昭平县\",\"肇庆\",\"昭通\",\"赵县\",\"昭阳区\",\"招远市\",\"肇源县\",\"肇州县\",\"柞水县\",\"柘城县\",\"浙江\",\"镇安县\",\"振安区\",\"镇巴县\",\"正安县\",\"正定县\",\"正蓝旗\",\"正宁县\",\"蒸湘区\",\"正镶白旗\",\"正阳县\",\"郑州\",\"镇海区\",\"镇江\",\"浈江区\",\"镇康县\",\"镇赉县\",\"镇平县\",\"振兴区\",\"镇雄县\",\"镇原县\",\"志丹县\",\"治多县\",\"芝罘区\",\"枝江市\",\"芷江侗族自治县\",\"织金县\",\"中方县\",\"中江县\",\"钟楼区\",\"中牟县\",\"中宁县\",\"中山\",\"中山区\",\"钟山区\",\"钟山县\",\"中卫\",\"钟祥市\",\"中阳县\",\"中原区\",\"周村区\",\"周口\",\"周宁县\",\"舟曲县\",\"舟山\",\"周至县\",\"庄河市\",\"诸城市\",\"珠海\",\"珠晖区\",\"诸暨市\",\"驻马店\",\"准格尔旗\",\"涿鹿县\",\"卓尼\",\"涿州市\",\"卓资县\",\"珠山区\",\"竹山县\",\"竹溪县\",\"株洲\",\"株洲县\",\"淄博\",\"子长县\",\"淄川区\",\"自贡\",\"秭归县\",\"紫金县\",\"自流井区\",\"资溪县\",\"资兴市\",\"资阳\"]}]}"
;
//City city = JSONObject.parseObject
City
city
=
JSONUtil
.
toBean
(
jsonstr
,
City
.
class
);
NewCity
newCity
=
new
NewCity
();
newCity
.
setCity
(
new
ArrayList
<
NewTitle
>());
for
(
Title
title
:
city
.
getCity
())
{
NewTitle
newTitle
=
new
NewTitle
();
newTitle
.
setTitle
(
title
.
getTitle
());
newTitle
.
setLists
(
new
ArrayList
<
NewData
>());
for
(
String
str
:
title
.
getLists
())
{
TableResultResponse
<
SysRegion
>
sysRegionTableResultResponse
=
sysRegionBiz
.
selectByQuery
(
new
Query
(
new
HashMap
<
String
,
Object
>(){{
put
(
"name"
,
str
);
}}));
NewData
newData
=
new
NewData
(){{
setId
(
sysRegionTableResultResponse
.
getData
().
getRows
().
get
(
0
).
getId
());
setName
(
sysRegionTableResultResponse
.
getData
().
getRows
().
get
(
0
).
getName
());
}};
// builder()
// .id(sysRegionTableResultResponse.getData().getRows().get(0).getId()).name(sysRegionTableResultResponse.getData().getRows().get(0).getName()).build();
newTitle
.
getLists
().
add
(
newData
);
}
newCity
.
getCity
().
add
(
newTitle
);
}
String
strs
=
"A,阿里,阿尔山,安庆,阿勒泰,安康,鞍山,安顺,阿克苏,阿拉善左旗,阿拉善右旗,中国澳门,B,包头,北海,北京,百色,保山,博乐,毕节,巴彦淖尔,C,长治,池州,长春,常州,昌都,朝阳,常德,长白山,成都,重庆,长沙,赤峰,D,大同,大连,东营,大庆,丹东,大理,敦煌,达州,稻城,E,恩施,鄂尔多斯,二连浩特,额济纳旗,F,佛山,福州,阜阳,抚远,G,贵阳,桂林,广州,广元,格尔木,赣州,固原,高雄,格林岛,H,哈密,呼和浩特,黑河,海拉尔,哈尔滨,海口,黄山,杭州,邯郸,合肥,黄龙,汉中,和田,淮安,花莲,J,鸡西,晋江,锦州,景德镇,嘉峪关,井冈山,济宁,九江,佳木斯,济南,加格达奇,金昌,揭阳,金门,嘉义,K,喀什,昆明,康定,克拉玛依,库尔勒,库车,喀纳斯,凯里,L,兰州,洛阳,丽江,荔波,林芝,柳州,泸州,连云港,黎平,连城,拉萨,临沧,临沂,吕梁,M,芒市,牡丹江,满洲里,绵阳,梅县,漠河,遵义(茅台),马公,马祖,N,南京,南充,南宁,南阳,南通,南昌,那拉提,宁波,南竿,P,攀枝花,普洱,Q,衢州,黔江,秦皇岛,庆阳,且末,齐齐哈尔,青岛,七美,祁连,R,日喀则,S,深圳,石家庄,三亚,沈阳,上海,神农架,T,唐山,铜仁,塔城,腾冲,台州,天水,天津,通辽,吐鲁番,太原,泰州,台北,台中,台南,台东,W,威海,武汉,梧州,文山,无锡,潍坊,武夷山,乌兰浩特,温州,乌鲁木齐,万州,乌海,X,兴义,西昌,厦门,香格里拉,西安,西宁,襄阳(中国),锡林浩特,西双版纳,徐州,中国香港,Y,义乌,永州,榆林,扬州,延安,运城,烟台,银川,宜昌,宜宾,宜春,盐城,延吉,玉树,伊宁,伊春,Z,珠海,昭通,张家界,舟山,郑州,中卫,芷江,湛江,遵义(新舟),遵义(茅台),张掖,张家口"
;
// String customRedisTemplaterentTitle;
NewCity
newCity2
=
new
NewCity
();
newCity2
.
setCity
(
new
ArrayList
<
NewTitle
>());
NewTitle
currentTitle
=
null
;
for
(
String
str
:
strs
.
split
(
","
))
{
char
c
=
str
.
charAt
(
0
);
if
(
c
>=
'A'
&&
c
<=
'Z'
)
{
if
(
null
!=
currentTitle
)
{
newCity2
.
getCity
().
add
(
currentTitle
);
}
currentTitle
=
new
NewTitle
();
currentTitle
.
setTitle
(
str
);
currentTitle
.
setLists
(
new
ArrayList
<
NewData
>());
continue
;
}
else
{
TableResultResponse
<
SysRegion
>
sysRegionTableResultResponse
=
sysRegionBiz
.
selectByQuery
(
new
Query
(
new
HashMap
<
String
,
Object
>(){{
put
(
"name"
,
str
);
}}));
NewData
newData
=
new
NewData
(){{
setId
(
sysRegionTableResultResponse
.
getData
().
getRows
().
get
(
0
).
getId
());
setName
(
sysRegionTableResultResponse
.
getData
().
getRows
().
get
(
0
).
getName
());
}};
// builder()
// .id(sysRegionTableResultResponse.getData().getRows().get(0).getId()).name(sysRegionTableResultResponse.getData().getRows().get(0).getName()).build();
currentTitle
.
getLists
().
add
(
newData
);
}
}
//
// List<SysRegion> sysRegions = sysRegionBiz.selectCity();
// String str = new String();
// str += "{ \n\"city\": [";
// for(int i = 1;i<=26;i++) {
// str += "\n{ \"title\": \""+(char)(64+i)+"\", \n";
// str += "\"lists\":[\n";
// Boolean flag = false;
// for(SysRegion sysRegion : sysRegions) {
// if(PinyinHelper.getShortPinyin(sysRegion.getName()).substring(0,1).equals(String.valueOf((char)(96+i)))){
// //(sysRegion.getName()))
// String name = sysRegion.getName();
// if("直辖县级".equals(name)) {
// //获得父级
// SysRegion sysRegionP = sysRegionBiz.selectOne(SysRegion.builder().id(sysRegion.getParentId()).build());
// name = sysRegionP.getName();
// }
// str += "{\"id\":"+sysRegion.getId()+", \"name\":\""+name+"\"},\n";
// flag = true;
// }
// }
// if(flag) {
// str = StrUtil.sub(str, 0, str.length() - 2);
// }
// str += "]";
// str += "},\n";
// }
// str = StrUtil.sub(str, 0, str.length() - 2);
// str += "] \n }";
FileWriter
writer
=
new
FileWriter
(
"D://"
+
DateUtil
.
currentSeconds
()+
"test.properties"
);
writer
.
write
(
JSONUtil
.
toJsonStr
(
newCity
));
System
.
out
.
println
(
"test"
);
}
// @Test
// public void test1() {
// int i = DateTime.now().getMinuteOfDay() / 5;
// System.out.println("DateTime.now().getMinuteOfDay() / 5++++++++++++"+i);
// String redisLockKey = RedisKey.SYS_REGION_REFRESH_LOCK +i;//同一日每5分钟只刷新一次
// System.out.println("redisLockKey++++++++++++++++"+redisLockKey);
// String s = String.valueOf(DateTime.now().getMillis());
// System.out.println("s++++++++++++++++++"+s);
// Boolean suc = customRedisTemplate.opsForValue().setIfAbsent(redisLockKey, s);
// Boolean test1 = customRedisTemplate.opsForValue().setIfAbsent("1", "2");
// Boolean test2 = customRedisTemplate.opsForValue().setIfAbsent("1", "3");
// System.out.println("test1///////////////////////////////"+test1);
// System.out.println("test2///////////////////////////////"+test2);
// System.out.println("suc++++++++++++++++++++"+suc);
// }
//
// @Test
// public void testRedis() {
// SysRegion sysRegion = getSysRegion(1);
// System.out.println("sysRegion+++++++++"+sysRegion);
// System.out.println("TEST_REDIS_KEY+++++++++++" + TEST_REDIS_KEY);
// }
//
// @Cache(key = TEST_REDIS_KEY)
// private SysRegion getSysRegion(int id){
// SysRegion sysRegion = sysRegionBiz.selectById(2);
// return sysRegion;
// }
@Test
public
void
testStream
(){
List
<
Integer
>
integers
=
Arrays
.
asList
(
1
,
3
,
5
,
7
,
9
,
9
);
HashSet
<
Integer
>
objects
=
new
HashSet
<>();
objects
.
addAll
(
integers
);
System
.
out
.
println
(
objects
);
System
.
out
.
println
(
"获取最小值"
);
Optional
<
Integer
>
min
=
objects
.
parallelStream
().
min
(
Integer:
:
compareTo
);
if
(
min
.
isPresent
())
{
System
.
out
.
println
(
min
.
get
());
}
System
.
out
.
println
(
"获取最大"
);
Optional
<
Integer
>
max
=
integers
.
parallelStream
().
max
(
Integer:
:
compareTo
);
if
(
max
.
isPresent
())
{
System
.
out
.
println
(
max
.
get
());
}
System
.
out
.
println
(
"排序"
);
integers
.
stream
().
sorted
().
forEach
(
elem
->
System
.
out
.
println
(
elem
));
System
.
out
.
println
(
"筛选"
);
integers
.
parallelStream
().
filter
(
e
->
e
>
1
).
filter
(
e
->
e
<
9
).
forEach
(
e
->
System
.
out
.
println
(
e
));
System
.
out
.
println
(
"list的总和为"
);
integers
.
stream
().
reduce
((
a
,
b
)
->
a
+
b
).
ifPresent
(
System
.
out
::
println
);
}
}
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