解析来我们就可以使用以下命令来安装Ruby JSON 模块：
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$gem
install
json
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使用 Ruby 解析 JSON
以下为JSON数据，将该数据存储在 input.json 文件中：
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{
"President"
:
"Alan Isaac"
,
"CEO"
:
"David Richardson"
,
"India"
: [
"Sachin Tendulkar"
,
"Virender Sehwag"
,
"Gautam Gambhir"
,
],
"Srilanka"
: [
"Lasith Malinga"
,
"Angelo Mathews"
,
"Kumar Sangakkara"
],
"England"
: [
"Alastair Cook"
,
"Jonathan Trott"
,
"Kevin Pietersen"
]
}
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以下的 Ruby 程序用于解析以上 JSON 文件；
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#!/usr/bin/ruby
require
'rubygems'
require
'json'
require
'pp'
json =
File
.read(
'input.json'
)
obj =
JSON
.parse(json) 转为hash 这里的json是字符串不是json对象
pp obj
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以上实例执行结果为：
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{
"President"
=>
"Alan Isaac"
,
"CEO"
=>
"David Richardson"
,
"India"
=>
[
"Sachin Tendulkar"
,
"Virender Sehwag"
,
"Gautam Gambhir"
],
"Srilanka"
=>
[
"Lasith Malinga "
,
"Angelo Mathews"
,
"Kumar Sangakkara"
],
"England"
=>
[
"Alastair Cook"
,
"Jonathan Trott"
,
"Kevin Pietersen"
]
}
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