通过指定-o参数的文件扩展名为json，我们可以输出JSON格式的数据文件。

zd.exe -d demo\default.yaml -c demo\test.yaml -n 3 -o demo\output\default.json

生成的JSON内容如下：

[
  {
    "field_common": "int_1\t",
    "field_file": "ben\t",
    "field_format": "passwd01\t",
    "field_loop": "[a_b_c]",
    "field_loop_range": "[1|1]\t",
    "field_nested_instant": "[10.0.0.1/'8'}",
    "field_nested_range": "['101']",
    "field_random": "9\t",
    "field_repeat": "user-1\t",
    "field_step": "1\t",
    "field_use_another_file": "'100,101'\t",
    "field_use_excel": " [济南市]",
    "field_use_instance": "192.168.0.1]",
    "field_use_ranges": "'101'\t",
    "field_with_children": " [part1_a|part2_A|part3_int_10] "
  },
  {
    "field_common": "int_2\t",
    "field_file": "aaron\t",
    "field_format": "passwd02\t",
    "field_loop": "[d_e_f]",
    "field_loop_range": "[1|2|2]\t",
    "field_nested_instant": "[10.1.1.2/'16'}",
    "field_nested_range": "['102']",
    "field_random": "8\t",
    "field_repeat": "user-1\t",
    "field_step": "3\t",
    "field_use_another_file": "'102,103'\t",
    "field_use_excel": " [青岛市]",
    "field_use_instance": "192.168.1.2]",
    "field_use_ranges": "'102'\t",
    "field_with_children": " [part1_b|part2_B|part3_int_11] "
  },
  {
    "field_common": "int_3\t",
    "field_file": "carl\t",
    "field_format": "passwd03\t",
    "field_loop": "[g_h_i]",
    "field_loop_range": "[2|3]\t",
    "field_nested_instant": "[10.2.2.3/'24'}",
    "field_nested_range": "['103']",
    "field_random": "1\t",
    "field_repeat": "user-1\t",
    "field_step": "5\t",
    "field_use_another_file": "'104,105'\t",
    "field_use_excel": " [淄博市]",
    "field_use_instance": "192.168.2.3]",
    "field_use_ranges": "'103'\t",
    "field_with_children": " [part1_c|part2_C|part3_int_12] "
  }
]