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    asp實現(xiàn)讀取數(shù)據(jù)庫輸出json代碼
    來源:易賢網(wǎng) 閱讀:1113 次 日期:2015-03-13 13:31:45
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    代碼如下:

    Function GetTable(Table,Where,Order,OrderSort,curpage, pagesize,MiniJson)

    'Author : nigou

    '使用方法 : Response.Write GetTable(Table表名,Where條件,Order主鍵(必須),OrderSort(asc,desc),curpage當(dāng)前頁, pagesize每頁條數(shù),MiniJson是否輸出為miniUI格式)

    '

    dim i, j ,rs

    if OrderSort="" Then OrderSort="asc"

    if Where="" Then Where="asc"

    Set Rs=Server.CreateObject("adodb.recordset")

    if curpage>1 then

    TmpSql="select a.* from ( select top " & (curpage) * pagesize & " * from " & Table & " where " & where & " order by " & Order & " " & OrderSort & ") a left join ( select top " & (curpage-1) * pagesize & " * from " & Table & " where " & where & " order by " & Order & " " & OrderSort & ") b on a." & Order & "=b." & Order & " where iif(b." & Order & ",'0','1')='1'"

    else

    TmpSql="select a.* from ( select top " & (curpage) * pagesize & " * from " & Table & " where " & where & " order by " & Order & " " & OrderSort & ") a "

    end if

    if pagesize=0 Then TmpSql = "select * from " & Table

    Rs.open TmpSql,conn,1,1

    RealSize=Rs.recordcount

    for i=0 to Rs.recordcount-1

    TmpJson= TmpJson & "{"

    for j=0 to Rs.fields.count-1

    TmpJson= TmpJson & """" &(Rs.fields(j).name) & """ : "

    TmpJson= TmpJson & """" & Rs(j) & """"

    if j<Rs.fields.count-1 then TmpJson= TmpJson & " , "

    next

    TmpJson= TmpJson & " }"

    if i<Rs.recordcount-1 then TmpJson= TmpJson & ","

    TmpJson= TmpJson & vbcrlf

    rs.movenext

    next

    Rs.close

    if MiniJson=1 Then

    CountSql="select count("& order &") from " & Table & " where " & where

    Rs.open CountSql,Conn,1,1

    Counts=Rs(0)

    Rs.Close

    GetTable=ToMiniUi(TmpJson,Counts)

    Else

    GetTable=toJson(TmpJson)

    end if

    Set Rs=nothing

    End Function

    function toJson(JsonStr)

    toJson="[" & vbcrlf & JsonStr & vbcrlf & "]"

    end function

    Function ToMiniUi(JsonStr,total)

    ToMiniUI="{"

    ToMiniUI=ToMiniUI & """total"":"" " & total & """," & vbcrlf

    ToMiniUI=ToMiniUI & """data"": [" & JsonStr

    ToMiniUI=ToMiniUI & "]}"

    End Function

    PS:最后的參數(shù)是針對miniUI開發(fā)的,可以無視

    以上就是本文的全部內(nèi)容了,希望大家能夠喜歡。

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