[英]lua corona runtime error: attempt to perform arithmetic on field '?' (a nil value)
i am trying to display a form summary using corona. 我正在尝试使用电晕显示表单摘要。 it works at first but when i add in 2 new question i get an error
它首先起作用,但是当我添加2个新问题时出现错误
so there is my code for scene 15 所以这是我的场景15的代码
--line689 checkEBASComplete()
--line691 function checkAMTComplete()
local tempScore = 0
for i = 1, 11 do
--line694 tempScore = tempScore + amtRating_Arr[i]
if (amtRating_Arr[i] == -1) then
amtScore = 0
amtScore_text.text = "Test Incomplete"
else
amtScore = tempScore
amtScore_text.text = tostring(amtScore)
end
end
tempScore = 0
end
--line707 checkAMTComplete()
function saveResults()
local q = [[UPDATE EBAS_DEP SET rating1=']]..ebasRating_Arr[1] .. [[',rating2=']] .. ebasRating_Arr[2] .. [[',rating3=']] .. ebasRating_Arr[3] .. [[',rating4=']] .. ebasRating_Arr[4] .. [[',rating5=']] .. ebasRating_Arr[5] .. [[',rating6=']] .. ebasRating_Arr[6] .. [[',rating7=']] .. ebasRating_Arr[7] .. [[',rating8=']] .. ebasRating_Arr[8] .. [[',rating9=']] .. ebasRating_Arr[9] .. [[',rating10=']] .. ebasRating_Arr[10] .. [[',rating11=']] .. amtRating_Arr[1] .. [[',rating12=']] .. amtRating_Arr[2] .. [[',rating13=']] .. amtRating_Arr[3] .. [[',rating14=']] .. amtRating_Arr[4] .. [[',rating15=']] .. amtRating_Arr[5] .. [[',rating16=']] .. amtRating_Arr[6] .. [[',rating17=']] .. amtRating_Arr[7] .. [[',rating18=']] .. amtRating_Arr[8] .. [[',rating19=']] .. amtRating_Arr[9] .. [[',rating20=']] .. amtRating_Arr[10] .. [[',rating21=']] .. amtRating_Arr[11] .. [[',ebas_score=']] .. ebasScore ..[[',amt_score=']] .. amtScore .. [['WHERE id=']].. _G.EBAS_ID..[[';]]
db:exec( q )
print(db:errcode(), db:errmsg())
end
is anyone able to advise? 有人可以提供建议吗? thanks
谢谢
so this is the solution of my own question, hope it helps any new corona users like me 所以这是我自己的问题的解决方案,希望能对像我这样的新电晕使用者有所帮助
function checkEBASComplete()
local tempScore = 0
for i = 1, #ebasRating_Arr do
print("EBAS:"..ebasRating_Arr[i])
tempScore = tempScore + ebasRating_Arr[i]
if (ebasRating_Arr[i] == -1) then
ebasScore = 0
ebasScore_text.text = "Test Incomplete"
else
ebasScore = tempScore
ebasScore_text.text = tostring(ebasScore)
end
end
tempScore = 0
end
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