自带库
print("*******自带库*********")
print("*******时间*********")
print(os.time())
print(os.time({
year=2020,month=12,day=12}))
local nowTime = os.date("*t")
for k,v in pairs(nowTime) do
print(k,v)
end
print(nowTime.year)
print("*******数学运算*********")
print(math.abs(-11))
print(math.deg(math.pi))
print(math.cos(math.pi))
print(math.floor(2.6))
print(math.ceil(5.2))
print(math.max(2,3))
print(math.min(4,5))
print(math.modf(1.2))
print(math.pow(2,5))
math.randomseed(os.time())
print(math.random(100))
print(math.random(100))
print(math.sqrt(4))
print("*******路径*********")
print(package.path)
package.path=package.path..";C:/"
print(package.path)
垃圾回收
print("*******垃圾回收*********")
test={
id=1,name="小明"}
print(collectgarbage("count"))
test=nil
collectgarbage("collect")
print(collectgarbage("count"))