Lua-字符串

local str = "1111234asdfzxa";
local a,b = string.find(str,"1234");
print(a,b);

a = string.upper( str );
print(a);

function average(...)
    result = 0;
    tb4 = {...}
    for i = 1, #tb4 do
        result = result + tb4[i];
    end
    print(result);
end

average(1,2,3,4);

function average(...)
    result = 0;
    tb4 = {...}
    table.insert(tb4,"str");
    for i,v in ipairs(tb4) do
        print(v);
    end
    for k, v in pairs(tb4) do
        print(v);
    end
end

average(1,2,3,nil,4);

math.randomseed( os.time() );
for i = 1, 10 do
    print(math.random(1,100));
end