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。

复制代码

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")
            }
        }


    }
}