kotlin的kmp编程中遇到Unresolved reference ‘java‘问题

解决办法

• 打开 File → Project Structure → Project

• 确保 Project SDK 是 与你的 jvmToolchain 保持一致

• 如果没有，点击右上角 Add SDK 添加 JDK 路径

• 

• 同步Sync

• 然后就正常了。

• 

  package org.example.project
  
  import androidx.compose.animation.AnimatedVisibility
  import androidx.compose.foundation.Image
  import androidx.compose.foundation.layout.Column
  import androidx.compose.foundation.layout.fillMaxWidth
  import androidx.compose.material.Button
  import androidx.compose.material.MaterialTheme
  import androidx.compose.material.Text
  import androidx.compose.runtime.*
  import androidx.compose.ui.Alignment
  import androidx.compose.ui.Modifier
  import org.jetbrains.compose.resources.painterResource
  import org.jetbrains.compose.ui.tooling.preview.Preview
  import androidx.compose.foundation.layout.*
  import androidx.compose.material.Button
  import androidx.compose.material.Text
  import androidx.compose.runtime.*
  import androidx.compose.ui.unit.dp
  import androidx.compose.ui.window.Window
  import androidx.compose.ui.window.application
  import java.awt.FileDialog
  import java.awt.Frame
  
  @Composable
  @Preview
  fun App() {
      var selectedFiles by remember { mutableStateOf<List<String>>(emptyList()) }
      MaterialTheme {
          Column(
              modifier = androidx.compose.ui.Modifier.padding(16.dp),
              horizontalAlignment = Alignment.CenterHorizontally
          ) {
              Button(onClick = {
                  // 调用 AWT FileDialog 打开多文件选择器
                  val dialog = FileDialog(null as Frame?, "选择文件", FileDialog.LOAD)
                  dialog.isMultipleMode = true // 允许多选
                  dialog.isVisible = true
  
                  val files = dialog.files
                  if (files != null) {
                      selectedFiles = files.map { it.absolutePath }
                  }
              }) {
                  Text("选择多个文件")
              }
  
              Spacer(modifier = androidx.compose.ui.Modifier.height(16.dp))
  
              selectedFiles.forEach {
                  Text("✅ $it")
              }
          }
  
  
      }
  }