在Groovy中用jsonbuilder修改json [英] modifying json with jsonbuilder in Groovy

问题描述

我试图修改json的内容，然后打印它，看看它是否已经改变了这个代码，但得到错误

I am trying to modify content of json and then print it to see if it has changed with this code but getting error

 def builder = new JsonBuilder(request)
 log.info(builder.content)
 builder.content.device.dpidsha1= 'abcd'  
 log.info(builder.toPrettyString())

错误：

error:

no such property: device

json看起来像这样：

json looks like this:

{
   "app":{ },
   "at":2,
   "badv":[ ],
   "bcat":[ ],
   "device":{
      "carrier":"310-410",
      "connectiontype":3,
      "devicetype":1,
      "dnt":0,
      "dpidmd5":"268d403db34e32c45869bb1401247af9",
      "dpidsha1":"1234",
.
.
}

有人可以帮助理解我做错了什么，我该如何纠正它。

can someone help in understanding what am i doing wrong and how can i correct it.

推荐答案

您需要解析传入内容，使用 JsonBuilder

You need to parse incoming content, the modify it with JsonBuilder

import groovy.json.JsonBuilder
import groovy.json.JsonSlurper

def content = """
{
   "app":{ },
   "at":2,
   "badv":[ ],
   "bcat":[ ],
   "device":{
      "carrier":"310-410",
      "connectiontype":3,
      "devicetype":1,
      "dnt":0,
      "dpidmd5":"268d403db34e32c45869bb1401247af9",
      "dpidsha1":"1234" 
   }
}"""

def slurped = new JsonSlurper().parseText(content)
def builder = new JsonBuilder(slurped)
builder.content.device.dpidsha1 = 'abcd'  
println(builder.toPrettyString())

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