{"产品":[{"a":"e3ae148d8bc2c5fe366c38da";},{"b":"d211c6e7ed5bd8b4e9316a74085";},{"c":"74be4f1b3b0fafaf77287780";},{"d":"89856f4f139a84c98fb98b8b39c32e2";},{"e":"7bd784e7d3b8490ed614345989a5";},{"f":"d169f6a4a932841b12bdf8ccded57";}]}
使用JsonSlurper,
File file = new File('abc')
String fileContent = file.text
def slurper = new groovy.json.JsonSlurper()
def result = slurper.parseText(fileContent)
println result.Product[0].a //etc.
...