Objective c 将Java转换为Obj C
请帮助我找出哪个函数用于在objective c中运行terminal命令,正如我在下面的代码中在java中使用的那样。我只想知道在objc或cocoa中使用哪个函数来执行终端进程Objective c 将Java转换为Obj C,objective-c,macos,Objective C,Macos,请帮助我找出哪个函数用于在objective c中运行terminal命令,正如我在下面的代码中在java中使用的那样。我只想知道在objc或cocoa中使用哪个函数来执行终端进程 Runtime rt = Runtime.getRuntime(); Process prcComile = rt.exec("javac -d F:/ F://" + fname.getText()+ ".java"); InputStream iscmp = prcComile.g
Runtime rt = Runtime.getRuntime();
Process prcComile = rt.exec("javac -d F:/ F://" + fname.getText()+ ".java");
InputStream iscmp = prcComile.getErrorStream();
int cerrInt = iscmp.read();
if (cerrInt == -1) {
Process prc = rt.exec("java -cp F:/ " +fname.getText());
InputStream iserr = prc.getErrorStream();
int errInt = iserr.read();
if (errInt == -1) {
InputStream is = prc.getInputStream();
int readInt = is.read();
String allOutput = "";
while (readInt != -1) {
char ch = (char) readInt;
allOutput = allOutput + ch;
readInt = is.read();
}
txtOutput.setText(allOutput);
} else {
String errorString = "";
while (errInt != -1) {
char ch = (char) errInt;
errorString += ch;
errInt = iserr.read();
}
txtOutput.setText(errorString);
}
} else {
String errorString = "";
while (cerrInt != -1) {
char ch = (char) cerrInt;
errorString += ch;
cerrInt = iscmp.read();
}
txtOutput.setText(errorString);
}
您可以使用NSTask。应将java版本打印为标准输出(未读)的示例(未测试):
主类是
NSTask
删除[java]
,因为答案与java无关。
- (IBAction)speak:(id)sender
{
NSTask *task = [[NSTask alloc] init];
task.launchPath = @"java";
task.arguments = @[@"-v"];
[task launch];
[task waitUntilExit];
//use task.standardOutput to read
}