刷新成功
        
        
          
           
       
        加载中
         
        
          
       
        加载完成
         
        
          
       
        暂无数据
         
      
     

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

)

},

},

})