print("Lua 协程测试2")

 function testFun(n)

     print("into foo，n = "..n)

     return coroutine.yield( * n) -- 挂起co协程

 end

 co = coroutine.create( -- 创建co协程

     function(a,b)

         print("into co 1,a = "..a..",b = "..b)

         local r = testFun(a)

         print("into co 2,r = "..r..",a = "..a..",b = "..b)

         local m,n = coroutine.yield( * a ,  * b) -- 挂起co协程

         print("into co 3,m = "..m..",n = "..n..",a = "..a..",b = "..b)

         return a,b,"结束co协程"

     end

 )

 print("main",coroutine.resume(co,,)) -- 启动co协程

 print("main",coroutine.resume(co,"resume1")) -- 唤醒co协程

 print("main",coroutine.resume(co,"resume2-m","resume2-n")) -- 唤醒co协程

 print("main",coroutine.status(co))

 运行结果：

 Lua 协程测试2

 into co ,a = ,b =

 into foo，n =

 main    true

 into co ,r = resume1,a = ,b =

 main    true

 into co ,m = resume2-m,n = resume2-n,a = ,b =

 main    true            结束co协程

 main    dead