并发有错误,待改正.
依赖
dependencies{
// https://mvnrepository.com/artifact/org.apache.commons/commons-compress
implementation("org.apache.commons:commons-compress:1.21")
// https://mvnrepository.com/artifact/org.tukaani/xz
implementation("org.tukaani:xz:1.9")
// https://mvnrepository.com/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0-RC2")
}
实现
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.withContext
import org.apache.commons.compress.archivers.sevenz.SevenZFile
import java.io.File
import java.io.IOException
fun main(args: Array<String>): Unit = runBlocking {
//args[0]是7z文件,args[1]是密码,args[2]是解压目录.三个参数都不能带空格
val sevenZFile = SevenZFile(File(args[0]), args[1].toCharArray())
val targetDir = File(args[2]).md()
sevenZFile.decompressTo2(targetDir)
}
//保证有此目录
fun File.md() = this.apply {
if (!isDirectory && !mkdirs()) throw IOException("failed to create directory $absolutePath")
}
//解压
suspend fun SevenZFile.decompressTo(targetDir: File) = withContext(Dispatchers.IO) {
targetDir.md()
for (entry in entries) {
launch(Dispatchers.IO) {
// 每个项目的绝对路径
val entryPath = "${targetDir.absolutePath}/${entry.name}"
// 如果是一个目录
if (entry?.isDirectory == true) {
// 创建该目录
File(entryPath).md()
} else {
//是文件
println("正在解压 ${entry.name}")
//创建该文件的父目录
File(entryPath).parentFile.md()
//解压文件
this@decompressTo.getInputStream(entry).copyTo(File(entryPath).outputStream())
}
}
}
}