select a.`創建日期`,b.`訂單數`,c.結算數,d.失效數,e.付款數
FROM
(SELECT
tkorder.`創建日期`
FROM
tkorder
group by tkorder.`創建日期`) AS a
LEFT JOIN (
SELECT
tkorder.`創建日期`,
count(*) 訂單數
FROM
tkorder
group by tkorder.`創建日期`
) AS b ON a.`創建日期`= b.`創建日期`
LEFT JOIN (
SELECT
tkorder.`創建日期`,
count(*) 結算數
FROM
tkorder where `訂單狀態`='訂單結算'
group by tkorder.`創建日期`
) AS c ON a.`創建日期`= c.`創建日期`
LEFT JOIN (
SELECT
tkorder.`創建日期`,
count(*) 失效數
FROM
tkorder where `訂單狀態`='訂單失效'
group by tkorder.`創建日期`
) AS d ON a.`創建日期`= d.`創建日期`
的確，網上方法很多，有時是環境不同，有時是測試的方法不正確吧，試了很久才把AdvancedDataGrid上的水印“flex data visualization trial”給去掉
參考資料：http://livedocs.adobe.com/flex/3/html/help.html?content=configuring_environment_2.html
我用的方法是輸入FB3 序列號1377-4260-4983-2510-8542-5740，操作步驟是點擊“Help”--->選擇Manage Flex Bulider Licenses--->輸入序列號
序列號的提供處：http://hi.baidu.com/fanzhene/blog/item/46b7aa511eec612242a75bc7.html