android gson 擴充套件， 序列化int型別被轉double 問題

import com.google.gson.Gson
import com.google.gson.GsonBuilder
import com.google.gson.ToNumberStrategy
import com.google.gson.reflect.TypeToken
import com.google.gson.stream.JsonReader
import java.io.IOException
import java.lang.reflect.Type
import java.math.BigDecimal;

val gson: Gson = GsonBuilder()
.setObjectToNumberStrategy(AutoToNumberStrategy())
.create()

fun Gson.safetyToJson(any: Any) = try {
gson.toJson(any)
} catch (e: Exception) {
if (BuildConfig.DEBUG) {
e.printStackTrace()
}
null
}

fun Any?.safetyToJson() = try {
gson.toJson(this)
} catch (e: Exception) {
if (BuildConfig.DEBUG) {
e.printStackTrace()
}
null
}

inline fun String?.safetyToClass(cls: Class): T? = try {
gson.fromJson(this, cls)
} catch (e: Exception) {
if (BuildConfig.DEBUG) {
e.printStackTrace()
}
null
}

inline fun String?.safetyToClass(typeOf: Type = object : TypeToken() {}.type): T? =
try {
gson.fromJson(this, typeOf) as? T
} catch (e: Exception) {
if (BuildConfig.DEBUG) {
e.printStackTrace()
}
null
}

/**

• author : Android 輪子哥
• github : https://github.com/getActivity/GsonFactory
• time : 2024/03/11
• desc : 自動轉換數值型別的策略
  */
  class AutoToNumberStrategy : ToNumberStrategy {
  @Throws(IOException::class)
  override fun readNumber(in: JsonReader): Number {
  // Github issue 地址：https://github.com/getActivity/GsonFactory/issues/40
  val numberString = in.nextString()
  val bigDecimal = BigDecimal(numberString)
  // 判斷這個數值是浮點數還是整數
  if (bigDecimal.scale() > 0) {
  // 如果是浮點數，則用 double 型別裝載
  return bigDecimal.toDouble()
  }
  // 如果是整數，則用 int 型別或者 long 型別裝載
  return if (bigDecimal > BigDecimal.valueOf(Int.MAX_VALUE.toLong())) {
  bigDecimal.toLong()
  } else {
  bigDecimal.toInt()
  }
  }
  }