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panyongping
uni-pdtravel
Commits
f678c222
Commit
f678c222
authored
Oct 11, 2023
by
潘永坪
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瀑布流增加
parent
3aacb723
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3
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3 changed files
with
184 additions
and
1 deletion
+184
-1
combinationProduct.vue
pages/scenic/combinationProduct/combinationProduct.vue
+1
-1
u-waterfall.vue
uni_modules/uview-ui/components/u-waterfall/u-waterfall.vue
+176
-0
style.components.scss
uni_modules/uview-ui/libs/css/style.components.scss
+7
-0
No files found.
pages/scenic/combinationProduct/combinationProduct.vue
View file @
f678c222
...
@@ -177,7 +177,7 @@
...
@@ -177,7 +177,7 @@
import
customer
from
'@/components/customer.vue'
//客服
import
customer
from
'@/components/customer.vue'
//客服
import
buyKnow
from
'@/components/buyKnow.vue'
//购买须知
import
buyKnow
from
'@/components/buyKnow.vue'
//购买须知
import
detail
from
'./components/detail.vue'
//购买须知
import
detail
from
'./components/detail.vue'
//购买须知
import
UWaterfall
from
'@/uview-ui/components/u-waterfall/u-waterfall.vue'
import
UWaterfall
from
'@/u
ni_modules/u
view-ui/components/u-waterfall/u-waterfall.vue'
import
merchantDetail
from
'@/components/merchantDetail'
//详情弹窗
import
merchantDetail
from
'@/components/merchantDetail'
//详情弹窗
export
default
{
export
default
{
components
:
{
components
:
{
...
...
uni_modules/uview-ui/components/u-waterfall/u-waterfall.vue
0 → 100644
View file @
f678c222
<
template
>
<view
class=
"u-waterfall"
>
<view
id=
"u-left-column"
class=
"u-column"
><slot
name=
"left"
:leftList=
"leftList"
></slot></view>
<view
id=
"u-right-column"
class=
"u-column"
><slot
name=
"right"
:rightList=
"rightList"
></slot></view>
</view>
</
template
>
<
script
>
/**
* waterfall 瀑布流
* @description 这是一个瀑布流形式的组件,内容分为左右两列,结合uView的懒加载组件效果更佳。相较于某些只是奇偶数左右分别,或者没有利用vue作用域插槽的做法,uView的瀑布流实现了真正的 组件化,搭配LazyLoad 懒加载和loadMore 加载更多组件,让您开箱即用,眼前一亮。
* @tutorial https://www.uviewui.com/components/waterfall.html
* @property {Array} flow-list 用于渲染的数据
* @property {String Number} add-time 单条数据添加到队列的时间间隔,单位ms,见上方注意事项说明(默认200)
* @example <u-waterfall :flowList="flowList"></u-waterfall>
*/
export
default
{
name
:
"u-waterfall"
,
props
:
{
value
:
{
// 瀑布流数据
type
:
Array
,
required
:
true
,
default
:
function
()
{
return
[];
}
},
// 每次向结构插入数据的时间间隔,间隔越长,越能保证两列高度相近,但是对用户体验越不好
// 单位ms
addTime
:
{
type
:
[
Number
,
String
],
default
:
200
},
// id值,用于清除某一条数据时,根据此idKey名称找到并移除,如数据为{idx: 22, name: 'lisa'}
// 那么该把idKey设置为idx
idKey
:
{
type
:
String
,
default
:
'id'
}
},
data
()
{
return
{
leftList
:
[],
rightList
:
[],
tempList
:
[],
children
:
[]
}
},
watch
:
{
copyFlowList
(
nVal
,
oVal
)
{
// 取差值,即这一次数组变化新增的部分
let
startIndex
=
Array
.
isArray
(
oVal
)
&&
oVal
.
length
>
0
?
oVal
.
length
:
0
;
// 拼接上原有数据
this
.
tempList
=
this
.
tempList
.
concat
(
this
.
cloneData
(
nVal
.
slice
(
startIndex
)));
this
.
splitData
();
}
},
mounted
()
{
this
.
tempList
=
this
.
cloneData
(
this
.
copyFlowList
);
this
.
splitData
();
},
computed
:
{
// 破坏flowList变量的引用,否则watch的结果新旧值是一样的
copyFlowList
()
{
return
this
.
cloneData
(
this
.
value
);
}
},
methods
:
{
async
splitData
()
{
if
(
!
this
.
tempList
.
length
)
return
;
let
leftRect
=
await
this
.
$uGetRect
(
'#u-left-column'
);
let
rightRect
=
await
this
.
$uGetRect
(
'#u-right-column'
);
// 如果左边小于或等于右边,就添加到左边,否则添加到右边
let
item
=
this
.
tempList
[
0
];
// 解决多次快速上拉后,可能数据会乱的问题,因为经过上面的两个await节点查询阻塞一定时间,加上后面的定时器干扰
// 数组可能变成[],导致此item值可能为undefined
if
(
!
item
)
return
;
if
(
leftRect
.
height
<
rightRect
.
height
)
{
this
.
leftList
.
push
(
item
);
}
else
if
(
leftRect
.
height
>
rightRect
.
height
)
{
this
.
rightList
.
push
(
item
);
}
else
{
// 这里是为了保证第一和第二张添加时,左右都能有内容
// 因为添加第一张,实际队列的高度可能还是0,这时需要根据队列元素长度判断下一个该放哪边
if
(
this
.
leftList
.
length
<=
this
.
rightList
.
length
)
{
this
.
leftList
.
push
(
item
);
}
else
{
this
.
rightList
.
push
(
item
);
}
}
// 移除临时列表的第一项
this
.
tempList
.
splice
(
0
,
1
);
// 如果临时数组还有数据,继续循环
if
(
this
.
tempList
.
length
)
{
setTimeout
(()
=>
{
this
.
splitData
();
},
this
.
addTime
)
}
},
// 复制而不是引用对象和数组
cloneData
(
data
)
{
return
JSON
.
parse
(
JSON
.
stringify
(
data
));
},
// 清空数据列表
clear
()
{
this
.
leftList
=
[];
this
.
rightList
=
[];
// 同时清除父组件列表中的数据
this
.
$emit
(
'input'
,
[]);
this
.
tempList
=
[];
},
// 清除某一条指定的数据,根据id实现
remove
(
id
)
{
// 如果findIndex找不到合适的条件,就会返回-1
let
index
=
-
1
;
index
=
this
.
leftList
.
findIndex
(
val
=>
val
[
this
.
idKey
]
==
id
);
if
(
index
!=
-
1
)
{
// 如果index不等于-1,说明已经找到了要找的id,根据index索引删除这一条数据
this
.
leftList
.
splice
(
index
,
1
);
}
else
{
// 同理于上方面的方法
index
=
this
.
rightList
.
findIndex
(
val
=>
val
[
this
.
idKey
]
==
id
);
if
(
index
!=
-
1
)
this
.
rightList
.
splice
(
index
,
1
);
}
// 同时清除父组件的数据中的对应id的条目
index
=
this
.
value
.
findIndex
(
val
=>
val
[
this
.
idKey
]
==
id
);
if
(
index
!=
-
1
)
this
.
$emit
(
'input'
,
this
.
value
.
splice
(
index
,
1
));
},
// 修改某条数据的某个属性
modify
(
id
,
key
,
value
)
{
// 如果findIndex找不到合适的条件,就会返回-1
let
index
=
-
1
;
index
=
this
.
leftList
.
findIndex
(
val
=>
val
[
this
.
idKey
]
==
id
);
if
(
index
!=
-
1
)
{
// 如果index不等于-1,说明已经找到了要找的id,修改对应key的值
this
.
leftList
[
index
][
key
]
=
value
;
}
else
{
// 同理于上方面的方法
index
=
this
.
rightList
.
findIndex
(
val
=>
val
[
this
.
idKey
]
==
id
);
if
(
index
!=
-
1
)
this
.
rightList
[
index
][
key
]
=
value
;
}
// 修改父组件的数据中的对应id的条目
index
=
this
.
value
.
findIndex
(
val
=>
val
[
this
.
idKey
]
==
id
);
if
(
index
!=
-
1
)
{
// 首先复制一份value的数据
let
data
=
this
.
cloneData
(
this
.
value
);
// 修改对应索引的key属性的值为value
data
[
index
][
key
]
=
value
;
// 修改父组件通过v-model绑定的变量的值
this
.
$emit
(
'input'
,
data
);
}
}
}
}
</
script
>
<
style
lang=
"scss"
scoped
>
@import
"../../libs/css/style.components.scss"
;
.u-waterfall
{
@include
vue-flex
;
flex-direction
:
row
;
align-items
:
flex-start
;
}
.u-column
{
@include
vue-flex
;
flex
:
1
;
flex-direction
:
column
;
height
:
auto
;
}
.u-image
{
width
:
100%
;
}
</
style
>
uni_modules/uview-ui/libs/css/style.components.scss
0 → 100644
View file @
f678c222
// 定义混入指令,用于在非nvue环境下的flex定义,因为nvue没有display属性,会报错
@mixin
vue-flex
(
$direction
:
row
)
{
/* #ifndef APP-NVUE */
display
:
flex
;
flex-direction
:
$direction
;
/* #endif */
}
\ No newline at end of file
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