1 print("Lua 协程测试2") 2  3 function testFun(n) 4     print("into foo，n = "..n) 5     return coroutine.yield(10 * n) -- 挂起co协程 6 end 7      8 co = coroutine.create( -- 创建co协程 9     function(a,b)10         print("into co 1,a = "..a..",b = "..b)11         local r = testFun(a)12         print("into co 2,r = "..r..",a = "..a..",b = "..b)13         local m,n = coroutine.yield(2 * a , 2 * b) -- 挂起co协程14         print("into co 3,m = "..m..",n = "..n..",a = "..a..",b = "..b)15         return a,b,"结束co协程"16     end17 )18 19 print("main",coroutine.resume(co,10,20)) -- 启动co协程20 print("main",coroutine.resume(co,"resume1")) -- 唤醒co协程21 print("main",coroutine.resume(co,"resume2-m","resume2-n")) -- 唤醒co协程22 print("main",coroutine.status(co))23 24 运行结果：25 Lua 协程测试226 into co 1,a = 10,b = 2027 into foo，n = 1028 main    true    10029 into co 2,r = resume1,a = 10,b = 2030 main    true    20    4031 into co 3,m = resume2-m,n = resume2-n,a = 10,b = 2032 main    true    10    20    结束co协程33 main    dead