将实体对象转换成Json字符串
def list = [new Person(name: 'Jhon', age: 25),
new Person(name: 'Alice', age: 26)]
def json = JsonOutput.toJson(list)
println json
打印输出为：
[{"age":25,"name":"Jhon"},{"age":26,"name":"Alice"}]
更优雅地显示Json字符串，可以调用JsonOutput.prettyPrint方法：
println JsonOutput.prettyPrint(json)
打印输出为：
[
{
"age": 25,
"name": "Jhon"
},
{
"age": 26,
"name": "Alice"
}
]
将Json字符串转换成实体对象
JsonSlurper jsonSlurper = new JsonSlurper()
def parseList = jsonSlurper.parseText(json)
网络访问请求
getNetworkData('https://home.firefoxchina.cn/?from=extra_start')
static def getNetworkData(String url) {
def connection = new URL(url).openConnection() as HttpURLConnection
connection.setRequestMethod('GET')
connection.connect()
def response = connection.content.text
println response
}
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