lua 添加的时候去重

result = {}

ids = {1,9,6,7}
affs = {3,2,4,5,6}
count =0
for s in *ids
　　result[s]=s
for p, v in pairs result
　　count = count + 1
print(count.."pppp")
for s in *affs --{1,2,4,5,6,7}
　　for k in *result
　　　　if s ~= k and count <4 and result[s]~=s
　　　　　　result[s]=s
　　　　　　count = count+1
　　　　　　break

for p, v in pairs result
print(v)