Lua编程示例(一):select、debug、可变参数、table操作、error
作者:不详
时间:2018-04-13 23:30:01
来源:爬虫全网自动爬取,侵删
阅读:295
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function test_print(...)
for i=1,select("#",...) do
print(i,select(i,...))
end
end
test_print(11,12,13,14)
print()
print(debug.traceback())
print()
function test(...)
for i=1,arg.n do
print(i.."\t"..arg[i])
end
end
test("a",2,34,234)
print()
g={}
table.insert(g,{
name="Clairs",
level = 70,
})
table.insert(g,{
name="SEGA",
level = 35,
})
table.insert(g,{
name="Millber",
level = 50,
})
function myprint()
for i,v in ipairs(g) do
print(i,v["level"],v.name)
end
end
myprint()
function comp(a,b)
return a.level<b.level
end
table.sort(g,comp)
print()
myprint()
print()
function foo(str)
if type(str) ~= "string" then
error("string error!",2)
end
end
--foo({x =1 })
tb1={ "asdf","bate","game",one="heihei"}
table.insert(tb1,3,"haha")
table.remove(tb1,2)
for i,v in ipairs(tb1) do
print(v)
end
print(#tb1)
运行结果为:
1 11 12 13 14 2 12 13 14 3 13 14 4 14 stack traceback: my_test.lua:12: in main chunk [C]: ? 1 a 2 2 3 34 4 234 1 70 Clairs 2 35 SEGA 3 50 Millber 1 35 SEGA 2 50 Millber 3 70 Clairs asdf haha game 3
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