如何在hadoop中解析json文件?
我在hadoop中有以下JSON文件如何在hadoop中解析json文件?,json,parsing,hadoop,Json,Parsing,Hadoop,我在hadoop中有以下JSON文件 { "reviewerID": "ABC1234", "productID": "ABCDEF", "reviewText": "GOOD!", "rating": 5.0, }, { "reviewerID": "ABC5678", "productID": "GFMKDS", "reviewText": "Not bad!", "rating": 3.0, } 我想要的解析结果是textfile ABC1234::ABC
{
"reviewerID": "ABC1234",
"productID": "ABCDEF",
"reviewText": "GOOD!",
"rating": 5.0,
},
{
"reviewerID": "ABC5678",
"productID": "GFMKDS",
"reviewText": "Not bad!",
"rating": 3.0,
}
我想要的解析结果是textfile
ABC1234::ABCDEF::5.0
ABC5678::GFMKDS::3.0
如何在hadoop中解析json文件?到目前为止,您尝试了哪些方法?是的,解析是绝对可能的,但是你想用哪种工具来解析JSON呢?我将使用java