<!-- wxml--> <view> <view class="refreshTip" wx:if="{{refreshCompeleted==true}}">刷新成功</view> <news-list-item wx:for="{{newsList}}" news="{{item}}" wx:key="item.id"></news-list-item> <view class="weui-loadmore" wx:if="{{loading===true}}"> <view class="weui-loading"></view> <view class="weui-loadmore__tips">加载中</view> </view> <view class="weui-loadmore" wx:if="{{loadingCompeleted===true}}"> <view class="weui-loadmore__tips">加载完成</view> </view> <view class="weui-loadmore weui-loadmore_line" wx:if="{{noData===true}}"> <view class="weui-loadmore__tips weui-loadmore__tips_in-line">暂无数据</view> </view> </view>
不能直接把后台返回的数组数据赋值到定义的空数组中，一定要concat连接，否则结果是看似是个数组，但是获取到的该数组却为空，导致第一次上拉加载更多的时候是拿到的之前的数组依然是空数组。
var config
=
require
(
'../../config'
)
var util
=
require
(
'../../utils/util.js'
)
Component
({
properties
:
{
category
:
{
type
: String
,
value
:
"index"
},
params
:
{
type
: String
,
value
:
""
},
},
data
:
{
newsList
:
[],
page
:
0
,
size
:
10
,
totalPages
:
0
,
refreshCompeleted
:
false
,
loadingCompeleted
:
false
,
loading
:
false
,
noData
:
false
},
methods
:
{
getList
()
{
let that
=
this
;
that
.setData
({
page
:
0
})
if
(that
.data
.category
===
"index"
)
{
util
.get
(
`${config
.service
.host
}/web/news/list_with_pub_info?channelId=${config
.channelId
}&page=0&size=${that
.data
.size
}`
,
function
(res
)
{
res
.data
.content
.filter
((value
)
=>
{
return value
.createAt
= util
.formatTimeDistance
(
new Date
(value
.createAt
))
})
let newsList
= that
.data
.newsList
.concat
(res
.data
.content
);
//这里要特别注意，不能直接that.setData({newsList:res.data.content}) ,见下面注释
that
.setData
({
newsList
: newsList
,
totalPages
: res
.data
.totalPages
,
})
if
(res
.data
.content
.length
=
0
)
{
that
.setData
({
noData
:
true
})
}
if
(res
.data
.content
.length
!==
0
&& that
.data
.page
+
1
== that
.data
.totalPages
)
{
that
.setData
({
loadingCompeleted
:
true
,
loading
:
false
,
noData
:
false
})
}
setTimeout
(
function
()
{
that
.setData
({
refreshCompeleted
:
true
})
},
1000
)
setTimeout
(
function
()
{
that
.setData
({
refreshCompeleted
:
false
})
},
2000
)
},
function
(e
)
{
console
.log
(JSON
.stringify
(e
));
});
}
else
if
(that
.data
.category
===
"search"
)
{
util
.get
(
`${config
.service
.host
}/web/news/search_in_channel_with_pub_info?channelId=${config
.channelId
}&page=${that
.data
.page
}&size=${that
.data
.size
}&q=${that
.data
.params
}`
,
function
(res
)
{
res
.data
.content
.filter
((value
)
=>
{
value
.createAt
= util
.formatTimeDistance
(
new Date
(value
.createAt
));
let keyword
= that
.data
.params
;
let re
=
new RegExp
(keyword
,
"g"
);
value
.title
= value
.title
.replace
(re
,
`<span class="keyword">${keyword
}</span>`
);
return value
})
let newsList
= that
.data
.newsList
.concat
(res
.data
.content
);
that
.setData
({
newsList
: newsList
,
totalPages
: res
.data
.totalPages
,
})
console
.log
(res
.data
.content
.length
)
if
(res
.data
.content
.length
===
0
)
{
that
.setData
({
noData
:
true
})
}
if
(res
.data
.content
.length
!==
0
&& that
.data
.page
+
1
== that
.data
.totalPages
)
{
that
.setData
({
loadingCompeleted
:
true
,
loading
:
false
,
noData
:
false
})
}
setTimeout
(
function
()
{
that
.setData
({
refreshCompeleted
:
true
})
},
1000
)
setTimeout
(
function
()
{
that
.setData
({
refreshCompeleted
:
false
})
},
2000
)
},
function
(e
)
{
console
.log
(JSON
.stringify
(e
));
});
}
else
if
(that
.data
.category
===
"professor"
)
{
util
.get
(
`${config
.service
.host
}/web/news/list_by_follow_with_pub_info?pubId=${that
.data
.params
}&page=${that
.data
.page
}&size=${that
.data
.size
}&q=${that
.data
.params
}`
,
function
(res
)
{
res
.data
.content
.filter
((value
)
=>
{
return value
.createAt
= util
.formatTimeDistance
(
new Date
(value
.createAt
))
})
let newsList
= that
.data
.newsList
.concat
(res
.data
.content
);
that
.setData
({
newsList
: newsList
,
totalPages
: res
.data
.totalPages
,
})
if
(res
.data
.content
.length
===
0
)
{
that
.setData
({
noData
:
true
})
}
if
(res
.data
.content
.length
!==
0
&& that
.data
.page
+
1
== that
.data
.totalPages
)
{
that
.setData
({
loadingCompeleted
:
true
,
loading
:
false
,
noData
:
false
})
}
setTimeout
(
function
()
{
that
.setData
({
refreshCompeleted
:
true
})
},
1000
)
setTimeout
(
function
()
{
that
.setData
({
refreshCompeleted
:
false
})
},
2000
)
},
function
(e
)
{
console
.log
(JSON
.stringify
(e
));
});
}
},
getMoreList
:
function
()
{
let that
=
this
;
setTimeout
(
function
()
{
if
(that
.data
.page
+
1
< that
.data
.totalPages
)
{
that
.setData
({
page
: that
.data
.page
+
1
,
loading
:
true
})
if
(that
.data
.category
===
"index"
)
{
util
.get
(
`${config
.service
.host
}/web/news/list_with_pub_info?channelId=${config
.channelId
}&page=${that
.data
.page
}&size=${that
.data
.size
}`
,
function
(res
)
{
res
.data
.content
.filter
((value
)
=>
{
return value
.createAt
= util
.formatTimeDistance
(
new Date
(value
.createAt
))
})
that
.setData
({
newsList
: that
.data
.newsList
.concat
(res
.data
.content
),
totalPages
: res
.data
.totalPages
,
loading
:
false
})
},
function
(e
)
{
console
.log
(JSON
.stringify
(e
));
});
}
else
if
(that
.data
.category
===
"search"
)
{
util
.get
(
`${config
.service
.host
}/web/news/search_in_channel_with_pub_info?channelId=${config
.channelId
}&page=${that
.data
.page
}&size=${that
.data
.size
}&q=${that
.data
.params
}`
,
function
(res
)
{
res
.data
.content
.filter
((value
)
=>
{
value
.createAt
= util
.formatTimeDistance
(
new Date
(value
.createAt
));
let keyword
= that
.data
.params
;
let re
=
new RegExp
(keyword
,
"g"
);
value
.title
= value
.title
.replace
(re
,
`<text class="keyword">${keyword
}</text>`
);
return value
})
that
.setData
({
newsList
: that
.data
.newsList
.concat
(res
.data
.content
),
totalPages
: res
.data
.totalPages
,
loading
:
false
})
},
function
(e
)
{
console
.log
(JSON
.stringify
(e
));
});
}
else
if
(that
.data
.category
===
"professor"
)
{
util
.get
(
`${config
.service
.host
}/web/news/list_by_follow_with_pub_info?pubId=${that
.data
.params
}&page=${that
.data
.page
}&size=${that
.data
.size
}&q=${that
.data
.params
}`
,
function
(res
)
{
res
.data
.content
.filter
((value
)
=>
{
return value
.createAt
= util
.formatTimeDistance
(
new Date
(value
.createAt
))
})
that
.setData
({
newsList
: that
.data
.newsList
.concat
(res
.data
.content
),
totalPages
: res
.data
.totalPages
,
loading
:
false
})
},
function
(e
)
{
console
.log
(JSON
.stringify
(e
));
});
}
}
else
{
that
.setData
({
loading
:
false
,
loadingCompeleted
:
true
})
}
},
500
)
},
},
})