function BubbleSort ()
local i,j,temp
j=1
while(j<len) do
i = 1
while(i<(len-j)) do
if(arr>arr[i+1]) then
temp = arr;
arr = arr[i + 1];
arr[i + 1] = temp;
end
i=i+1
end
j=j+1
end
end
arr={ 5, 8, 6, 3, 9, 2, 1, 7}
print("排序前:")
len = table.getn(arr)
for i=1,len do
print(arr)
end
print("排序后:")
BubbleSort()
for i=1,len do
print(arr)
end