A common configuration file format (yaml, ini)

YAML format

• File name suffix is ​​usually .yml

• YAML is a superset of JSON, means that any valid JSON file is also a valid YAML file

• More YAML configuration file can be the same in

  • Use ---indicates the beginning of a document
  • In a file, which can contain a plurality of files, and by ---the partition
  • ...And ---with the use, mean the end of a file in a configuration file

• Case Sensitive

• # It indicates a comment

• indentation

  • Not allowed to use the Tab key to indent only allows the use of space
  • The number of spaces to indent does not matter, as long as the left elements are aligned to the same level

• Supported data types

  • Objects
    • It represents a set of key-value pairs, colon structure
  • Array
    • -Beginning of the line to form an array
  • Scalar
    • String, Boolean, integer, floating point, NULL, time, date
      • NULL with ~representation
      • String Default does not use quotation marks
        • Contain spaces or special characters, needs to be placed in quotation marks

boolean: 
    - TRUE  #true,True都可以
    - FALSE  #false，False都可以
float:
    - 3.14
    - 6.8523015e+5  #可以使用科学计数法
int:
    - 123
    - 0b1010_0111_0100_1010_1110    #二进制表示
null:
    nodeName: 'node'
    parent: ~  #使用~表示null
string:
    - 哈哈
    - 'Hello world'  #可以使用双引号或者单引号包裹特殊字符
    - newline
      newline2    #字符串可以拆成多行，每一行会被转化成一个空格
date:
    - 2018-02-17    #日期必须使用ISO 8601格式，即yyyy-MM-dd
datetime: 
    -  2018-02-17T15:02:31+08:00    #时间使用ISO 8601格式，时间和日期之间使用T连接，最后使用+代表时区

reference

ymal Started - rookie Tutorial

ymal Quick Start

INI format

• INI file extension is not necessarily the ".ini", may be ".cfg", ". Conf", etc.

• ini file is composed of several section, each section in turn composed of a plurality of parameters

  • parameters format:name = key
  • section format:[section]
  • Notes format:;