golang 两个协成交替打印1-100的奇数偶数

  2. package main
  4. import (
  5.     "fmt"
  6.     "time"
  7. )
  9. var POOL = 100
  11. func groutine1(p chan int) {
  13.     for i := 1; i <= POOL; i++ {
  14.         p <- i
  15.         if i%2 == 1 {
  16.             fmt.Println("groutine-1:", i)
  17.         }
  18.     }
  19. }
  21. func groutine2(p chan int) {
  23.     for i := 1; i <= POOL; i++ {
  24.         <-p
  25.         if i%2 == 0 {
  26.             fmt.Println("groutine-2:", i)
  27.         }
  28.     }
  29. }
  31. func main() {
  32.     msg := make(chan int)
  34.     go groutine1(msg)
  35.     go groutine2(msg)
  37.     time.Sleep(time.Second * 1)
  39. }

运行结果

  2. groutine-1: 1
  3. groutine-2: 2
  4. groutine-1: 3
  5. groutine-2: 4
  6. groutine-1: 5
  7. groutine-2: 6
  8. groutine-1: 7
  9. groutine-2: 8
  10. groutine-1: 9
  11. groutine-2: 10
  12. groutine-1: 11
  13. groutine-2: 12
  14. groutine-1: 13
  15. groutine-2: 14
  16. groutine-1: 15
  17. groutine-2: 16
  18. groutine-1: 17
  19. groutine-2: 18
  20. groutine-1: 19
  21. groutine-2: 20
  22. groutine-1: 21
  23. groutine-2: 22
  24. groutine-1: 23
  25. groutine-2: 24
  26. groutine-1: 25
  27. groutine-2: 26
  28. groutine-1: 27
  29. groutine-2: 28
  30. groutine-1: 29
  31. groutine-2: 30
  32. groutine-1: 31
  33. groutine-2: 32
  34. groutine-1: 33
  35. groutine-2: 34
  36. groutine-1: 35
  37. groutine-2: 36
  38. groutine-1: 37
  39. groutine-2: 38
  40. groutine-1: 39
  41. groutine-2: 40
  42. groutine-1: 41
  43. groutine-2: 42
  44. groutine-1: 43
  45. groutine-2: 44
  46. groutine-1: 45
  47. groutine-2: 46
  48. groutine-1: 47
  49. groutine-2: 48
  50. groutine-1: 49
  51. groutine-2: 50
  52. groutine-1: 51
  53. groutine-2: 52
  54. groutine-1: 53
  55. groutine-2: 54
  56. groutine-1: 55
  57. groutine-2: 56
  58. groutine-1: 57
  59. groutine-2: 58
  60. groutine-1: 59
  61. groutine-2: 60
  62. groutine-1: 61
  63. groutine-2: 62
  64. groutine-1: 63
  65. groutine-2: 64
  66. groutine-1: 65
  67. groutine-2: 66
  68. groutine-1: 67
  69. groutine-2: 68
  70. groutine-1: 69
  71. groutine-2: 70
  72. groutine-1: 71
  73. groutine-2: 72
  74. groutine-1: 73
  75. groutine-2: 74
  76. groutine-1: 75
  77. groutine-2: 76
  78. groutine-1: 77
  79. groutine-2: 78
  80. groutine-1: 79
  81. groutine-2: 80
  82. groutine-1: 81
  83. groutine-2: 82
  84. groutine-1: 83
  85. groutine-2: 84
  86. groutine-1: 85
  87. groutine-2: 86
  88. groutine-1: 87
  89. groutine-2: 88
  90. groutine-1: 89
  91. groutine-2: 90
  92. groutine-1: 91
  93. groutine-2: 92
  94. groutine-1: 93
  95. groutine-2: 94
  96. groutine-1: 95
  97. groutine-2: 96
  98. groutine-1: 97
  99. groutine-2: 98
  100. groutine-1: 99
  101. groutine-2: 100