哪位大神指导为什么y获取到的值是空，n的值是对的？？

2020-12-21 10:16:44 67 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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PART 1.1 如何确定建模的Y值风控建模：如何定义Y值定义Y 什么样的客户是好客户什么样的客户是坏客户我认为是首要的，也就是需要有一个目标，也就是方向要对简要介绍A B C 卡 A卡（Application scorecard）申请卡：客户授信，预测客户开户后一定时期内违约拖欠的风险概率，有效排除信用不良客户和非目标客户的申请 B卡（Behavior score card）行为卡：在帐户管理期，根据账户历史上所表现出来的... 阅读详情

//获取系统时间
val simpleDateFormat1 = SimpleDateFormat("yyyy")
val date1 = Date(System.currentTimeMillis())
var datay=simpleDateFormat1.format(date1).toInt()
//time?.setText(simpleDateFormat.format(date))
val simpleDateFormat2 = SimpleDateFormat("MM")
val date2 = Date(System.currentTimeMillis())
val datam=simpleDateFormat2.format(date2).toInt()

// "获取控件"
val sp_year: Spinner = findViewById(R.id.sp_year)
val sp_month: Spinner = findViewById(R.id.sp_month)
//为Spinner加载数据
"1.准备数据"
val year = arrayOf(datay,datay-1,datay-2)
val month = arrayOf(
arrayOf(datam,1,2,3,4,5,6,7,8,9,10,11,12),
arrayOf(1,2,3,4,5,6,7,8,9,10,11,12),
arrayOf(1,2,3,4,5,6,7,8,9,10,11,12)
)
"2.把数据载入到数据适配器参数一上下文参数二每一行格式参数三数据"
val year_adapter = ArrayAdapter(this, android.R.layout.simple_spinner_item, year)

"3.把数据适配器给Spinner对象"
sp_year.adapter = year_adapter
//为Spinner设置监听响应事件
sp_year.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
override fun onNothingSelected(parent: AdapterView<*>?) {}
override fun onItemSelected(
parent: AdapterView<*>?,
view: View?,
position: Int,
id: Long
) {
sp_year_positon = position
//position:Int 指Spinner每一项的位置id
"将city的数据通过适配器给spinner"
val month_adapter = ArrayAdapter(
this@MainActivity,
android.R.layout.simple_spinner_item,
month[position]
)
sp_month.adapter = month_adapter
//Toast.makeText(this@ThirdActivity, country[position], Toast.LENGTH_LONG).show()
}

}
//为Spinner设置监听响应事件
sp_month.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
override fun onNothingSelected(parent: AdapterView<*>?) {}
override fun onItemSelected(
parent: AdapterView<*>?,
view: View?,
position: Int,
id: Long
) {}
}
var n = sp_year.getSelectedItem().toString()
var y = sp_month.getSelectedItem().toString()
getalldata(n, y)
setAdapter()
Toast.makeText(this,n,Toast.LENGTH_SHORT).show()
Toast.makeText(this,y,Toast.LENGTH_SHORT).show()

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