Json：scala 解析json字符串，变成对象
第一种
package com.donews
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.module.scala.DefaultScalaModule
object Test {
def main(args: Array[String]): Unit = {
val mapper = new ObjectMapper()
mapper.registerModule(DefaultScalaModule)
val log = "{\"status\":200,\"http_user_agent\":\"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36\",\"request_method\":\"get\",\"timestamp\":\"2016-11-13T06:59:26.315Z\",\"http_url\":\"http://www.donews.com/it/201611/2942496.shtm\",\"http_x_forwarded_for\":\"221.0.90.218\",\"event\":\"load\",\"is_new\":1,\"http_referer\":\"https://www.baidu.com/link?url=btPCeZwsYyyONB-oYL7szsox4qjvynFPzoeZlocefakSUxZxj0gEOXoG9dIivWg7BqsooA1tMfZpS-FYdl5Gva&wd=&eqid=c3101a590000f2980000000258280f0d\",\"cookie\":\"441de3213207ac61f58be158e80cc194\",\"page_id\":\"23788cd5e93c8c870472bd1bd40f6c40\",\"short_cookie\":\"2cb494930448e4abf37577dd28c5947f\",\"appkey\":\"app_website\"}"
val obj = mapper.readValue(log, classOf[SdkBean])
println(obj.toString)
}
}
package com.donews
import com.fasterxml.jackson.annotation.JsonIgnoreProperties
/**
* Created by yuhui on 2016/11/22.
*/
@JsonIgnoreProperties(ignoreUnknown = true)
case class SdkBean(
appkey: String,
timestamp: String,
cookie: String,
short_cookie: String,
request_method: String,
status: java.lang.Integer,
http_referer: String,
http_user_agent: String,
http_x_forwarded_for: String,
http_url: String,
to_target: String,
duration: java.lang.Integer,
event: String,
is_new: java.lang.Integer,
page_id: String,
day: String
)
结果展示：
SdkBean(app_website,2016-11-13T06:59:26.315Z,441de3213207ac61f58be158e80cc194,2cb494930448e4abf37577dd28c5947f,get,200,https://www.baidu.com/link?url=btPCeZwsYyyONB-oYL7szsox4qjvynFPzoeZlocefakSUxZxj0gEOXoG9dIivWg7BqsooA1tMfZpS-FYdl5Gva&wd=&eqid=c3101a590000f2980000000258280f0d,Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36,221.0.90.218,http://www.donews.com/it/201611/2942496.shtm,null,null,load,1,23788cd5e93c8c870472bd1bd40f6c40,null)
第二种
import com.google.gson.Gson
object Test extends App {
val gson = new Gson()
case class User1(id: Long,organization_id: Long,username: String ,role_names: String ,role_ids: String,locked: Boolean)
println(gson.toJson(User1(1,1,"admin","admin, 图计算管理层","1,2,3,4",false)))
}
结果：
{“id”:1,“organization_id”:1,“username”:“admin”,“role_names”:“admin, 图计算管理层”,“role_ids”:“1,2,3,4”,“locked”:false}
###第三种
import com.alibaba.fastjson.JSON
case class User(id: Long,organization_id: Long,username: String ,role_ids: String,locked: Boolean)
val jsonstr = "{\"id\":1,\"organization_id\":1,\"username\":\"admin\",\"role_ids\":\"1,2,3,4\",\"locked\":false}"
println(JSON.parseObject(jsonstr, classOf[User]))
结果：User(1,1,admin,1,2,3,4,false)
###第四种
Json字符串变成list对象，进行过滤之后，再次转为Json字符串
import com.alibaba.fastjson.JSON
object JsonTest {
case class JsonClass(key: String, type2: String, name: String, grid: String, condition: String) {
override def toString: String = {
if (condition != null) {
"{\"key\" : \"" + key + "\" , \"type\" : \"" + type2 + "\" , \"name\" : \"" + name + "\" , \"grid\" : " + grid + " , \"condition\" : " + condition + "}"
} else {
"{\"key\" : \"" + key + "\" , \"type\" : \"" + type2 + "\" , \"name\" : \"" + name + "\" , \"grid\" : " + grid + "}"
}
}
}
def main(args: Array[String]): Unit = {
val json = JSON.parseArray(jsonStr, classOf[JsonClass]).toArray
val nameSet = Set("企业征信图谱监控")
val j = json.map(row => row.asInstanceOf[JsonClass]).filterNot(r => nameSet.contains(r.name)).toList
println(j.map(row => row.toString).mkString("[", ",", "]"))
}
val jsonStr =
"""
|[{
| "key": "36069d72-f457-f5f8-62c6-0915ed3ba82f",
| "type2": "ProjectCreator",
| "name": "项目创建/监控",
| "grid": {
| "x": 0,
| "y": 0,
| "w": 6,
| "h": 2,
| "static": true
| }
|}, {
| "key": "bd4b17c7-6710-014b-bc2d-72a3c1e0f49e",
| "type2": "ProjectFlow",
| "name": "企业征信图谱监控",
| "grid": {
| "x": 6,
| "y": 2,
| "w": 6,
| "h": 2
| },
| "condition": {
| "projectId": 1
| }
|}, {
| "key": "1b787098-3d2c-4589-9c99-1d16a3cf20af",
| "type2": "ClusterResource",
| "grid": {
| "x": 0,
| "y": 6,
| "w": 12,
| "h": 3
| }
|}, {
| "key": "91491e4c-caec-a29f-6fd6-d5deef0fb50b",
| "type2": "TaskList",
| "name": "待办事项",
| "grid": {
| "x": 0,
| "y": 2,
| "w": 6,
| "h": 2
| }
|}, {
| "key": "8dd04eeb-476f-8c87-f6df-99e267e06d02",
| "type2": "ProjectFlow",
| "name": "失联修复监控",
| "grid": {
| "x": 6,
| "y": 0,
| "w": 6,
| "h": 2
| },
| "condition": {
| "projectId": 2
| }
|}, {
| "key": "cca2bdd4-36f3-de8b-041e-1cc9920c951c",
| "type2": "ProjectFlow",
| "name": "关系网络监控",
| "grid": {
| "x": 0,
| "y": 4,
| "w": 6,
| "h": 2
| },
| "condition": {
| "projectId": 3
| }
|}, {
| "key": "f3a449d2-5fbe-2a61-ed34-ce87c5c52266",
| "type2": "ProjectFlow",
| "name": "案件调查监控",
| "grid": {
| "x": 6,
| "y": 4,
| "w": 6,
| "h": 2
| },
| "condition": {
| "projectId": 4
| }
|}, {
| "key": "86276e05-1bec-26bc-981c-f6bc6e49d4de",
| "type2": "ProjectFlow",
| "name": "userpin统计自然人监控",
| "grid": {
| "x": 0,
| "y": 9,
| "w": 6,
| "h": 2
| },
| "condition": {
| "projectId": 5
| }
|}]
|
""".stripMargin
}
结果：[{“key” : “36069d72-f457-f5f8-62c6-0915ed3ba82f” , “type” : “ProjectCreator” , “name” : “项目创建/监控” , “grid” : {“static”:true,“w”:6,“x”:0,“h”:2,“y”:0}},{“key” : “1b787098-3d2c-4589-9c99-1d16a3cf20af” , “type” : “ClusterResource” , “name” : “null” , “grid” : {“w”:12,“x”:0,“h”:3,“y”:6}},{“key” : “91491e4c-caec-a29f-6fd6-d5deef0fb50b” , “type” : “TaskList” , “name” : “待办事项” , “grid” : {“w”:6,“x”:0,“h”:2,“y”:2}},{“key” : “8dd04eeb-476f-8c87-f6df-99e267e06d02” , “type” : “ProjectFlow” , “name” : “失联修复监控” , “grid” : {“w”:6,“x”:6,“h”:2,“y”:0} , “condition” : {“projectId”:2}},{“key” : “cca2bdd4-36f3-de8b-041e-1cc9920c951c” , “type” : “ProjectFlow” , “name” : “关系网络监控” , “grid” : {“w”:6,“x”:0,“h”:2,“y”:4} , “condition” : {“projectId”:3}},{“key” : “f3a449d2-5fbe-2a61-ed34-ce87c5c52266” , “type” : “ProjectFlow” , “name” : “案件调查监控” , “grid” : {“w”:6,“x”:6,“h”:2,“y”:4} , “condition” : {“projectId”:4}},{“key” : “86276e05-1bec-26bc-981c-f6bc6e49d4de” , “type” : “ProjectFlow” , “name” : “userpin统计自然人监控” , “grid” : {“w”:6,“x”:0,“h”:2,“y”:9} , “condition” : {“projectId”:5}}]
