踩到的坑：
1.在rollout裡面關閉當前dialog 直接寫在裡面無效
rollout floater2 "登入"
(label lbl_username "使用者名稱:" align:#left across:2
edittext txt_username "" width:100 height:20 align:#right arcoss:2
label lbl_password "密碼:" align:#left across:2
edittext txt_password "" width:100 align:#right across:2
global objectusername = ""
global objectpassword = ""
on txt_username entered txt do(
objectusername = txt
txt_username.text = txt
destroydialog floater
)on txt_password entered txt do (
objectpassword = txt
txt_password.text = txt))
2..連線資料庫 無法連線，老是說不能訪問
testconn=createoleobject "adodb.connection"
testconn.open "driver=; server=servername; database=databasename;user=username;password=password"
recordset = createoleobject "adodb.recordset"
selectstring = "select * from tablename where username='"+username+"' and password='"+password+"'"
recordset.open selectstring testconn -- standard sql request in ""
recordset.getrows()
解決方案：
問題1：將dialog的建立放到函式中去
fn makedialog =
(rollout floater "登入資訊"
(label lbl_username "使用者名稱:" align:#left across:2
edittext txt_username "" width:100 height:20 align:#right arcoss:2
label lbl_password "密碼:" align:#left across:2
edittext txt_password "" width:100 align:#right across:2
button btn_loginbottom "登入" width:60 align:#center
global objectusername = ""
global objectpassword = ""
on txt_username entered txt do(
objectusername = txt
txt_username.text = txt
)on txt_password entered txt do (
objectpassword = txt
txt_password.text = txt
)on btn_loginbottom pressed do
(--驗證登入資訊是否正確
result = fn_validateuser objectusername objectpassword
print 2222
print result
print (result == "fail")
if result =="success" then (destroydialog floater) else (print "fail")))
createdialog floater width:200 height:100
setfocus floater.txt_username
)問題2：參考
根據自己的電腦(32位還是64位)選擇安裝mysql-connector-odbc-3.51.30
單擊開始-控制面板-管理工具
雙擊資料來源(odbc)
單擊切換到系統dsn選項卡，單擊新增
雙擊mysql odbc 3.51 driver,如圖2所示，填寫data source name,tcp/ip server:,user:,password: ,database: .點選ok儲存，確定.
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