📄 从java程序中调用其它程序.mht
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<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"98%" =
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<P><FONT face=3D"=CB=CE=CC=E5,Arial, Helvetica, =
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face=3D"=BA=DA=CC=E5,Arial, Helvetica, =
sans-serif" color=3D#000000=20
=
size=3D4>=B4=D3java=B3=CC=D0=F2=D6=D0=B5=F7=D3=C3=C6=E4=CB=FC=B3=CC=D0=F2=
</FONT><FONT color=3Dgray=20
size=3D1>=D4=C4=B6=C1=B4=CE=CA=FD2132</FONT>=20
<P align=3Dright>=B3=F6=B4=A6=20
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<TABLE cellSpacing=3D0 cellPadding=3D0 =
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<TD vAlign=3Dtop=20
=
width=3D"86%">http://developer.java.sun.com/developer/TechTips/1999/tt121=
4.html=20
=CC=D6=C2=DB=C1=CBRMI (Remote Method=20
=
Invocation=A3=AC=D4=B6=B3=CC=B7=BD=B7=A8=B5=F7=D3=C3)=C8=E7=BA=CE=D3=C3=D3=
=DA=B3=CC=D0=F2=BC=E4=CD=A8=D1=B6=A3=AC=C1=ED=D2=BB=B8=F6=D3=C3=D3=DA=CD=A8=
=D1=B6=B5=C4=BC=BC=CA=F5=CA=C7Runtime.exec()=20
=
=B7=BD=B7=A8=A1=A3=C4=E3=BF=C9=D2=D4=D3=C3=D5=E2=B8=F6=B7=BD=B7=A8=B4=D3=D2=
=BB=B8=F6=D4=CB=D0=D0=B0=A2java=B3=CC=D0=F2=D6=D0=B5=F7=D3=C3=C1=ED=D2=BB=
=B8=F6=B3=CC=D0=F2=A1=A3Runtime.exec=20
=
=D2=B2=D4=CA=D0=ED=C4=E3=D6=B4=D0=D0=BA=CD=B3=CC=D0=F2=CF=E0=B9=D8=B5=C4=B2=
=D9=D7=F7=A3=AC=C0=FD=C8=E7=BF=D8=D6=C6=B3=CC=D0=F2=B5=C4=B1=EA=D7=BC=CA=E4=
=C8=EB=CA=E4=B3=F6=A3=AC=B5=C8=B4=FD=B3=CC=D0=F2=B5=C4=BD=E1=CA=F8=B2=A2=B5=
=C3=B5=BD=CB=FC=B5=C4=CD=CB=B3=F6=D7=B4=CC=AC=A1=A3=CF=C2=C3=E6=CA=C7=D2=BB=
=B8=F6=BC=F2=B5=A5=B5=C4C=B3=CC=D0=F2=A3=AC=D3=C3=C0=B4=CB=B5=C3=F7=D5=E2=
=D0=A9=CC=D8=D0=D4=A3=BA=20
<BR><BR><BR><BR>#include=20
<STDIO.H><BR><BR><BR><BR>int main() {=20
<BR><BR>printf("testing\n"); =
<BR><BR>return 0;=20
<BR><BR>}=20
=
<BR><BR><BR><BR>=D5=E2=B8=F6=B3=CC=D0=F2=D0=B4=D7=D6=B7=FB=B4=AE"testing"=
=B5=BD=B1=EA=D7=BC=CA=E4=B3=F6=A3=AC=C8=BB=BA=F3=D3=C3=CD=CB=B3=F6=D7=B4=CC=
=AC0=D6=D5=D6=B9=B3=CC=D0=F2=A1=A3=20
=
<BR><BR>=CE=AA=C1=CB=D4=DAjava=B3=CC=D0=F2=D6=D0=D6=B4=D0=D0=D5=E2=B8=F6=BC=
=F2=B5=A5=B5=C4=B3=CC=D0=F2=A3=AC=CF=C8=B1=E0=D2=EB=D5=E2=B8=F6c=B3=CC=D0=
=F2=A3=BA=20
<BR><BR><BR><BR>$ cc test.c -o test=20
=
<BR><BR>=A3=A8=D2=EB=D5=DF=D7=A2=A3=BA=B6=D4=D3=DAlinux=D3=C3=BB=A7=A3=AC=
=BF=C9=D2=D4=D3=C3gcc test.c =A8Co=20
=
test,=B6=D4=D3=A6windows=D3=C3=BB=A7=BF=C9=D2=D4=D3=C3=CF=E0=D3=A6=B5=C4c=
=D3=EF=D1=D4=B1=E0=D2=EB=B3=CC=D0=F2=B1=E0=D2=EB=B3=C9=BF=C9=D6=B4=D0=D0=B3=
=CC=D0=F2test.exe=A3=A9=20
<BR><BR>(=C4=E3=B5=C4 C =
=B1=E0=D2=EB=C6=F7=BF=C9=C4=DC=D2=AA=C7=F3=B2=BB=CD=AC=B5=C4=B2=CE=CA=FD)=
=C8=BB=BA=F3=CA=B9=D3=C3=CF=C2=C3=E6=B5=C4=B4=FA=C2=EB=B5=F7=D3=C3=C4=C7=B8=
=F6=B3=CC=D0=F2=A3=BA=20
<BR><BR><BR><BR>import java.io.*; =
<BR><BR>import=20
java.util.ArrayList; =
<BR><BR><BR><BR>public class=20
ExecDemo { <BR><BR>static public String[]=20
runCommand(String cmd) <BR><BR>throws =
IOException=20
{ <BR><BR><BR><BR>// set up list to =
capture=20
command output lines =
<BR><BR><BR><BR>ArrayList=20
list =3D new ArrayList(); =
<BR><BR><BR><BR>// start=20
command running <BR><BR><BR><BR>Process =
proc =3D=20
Runtime.getRuntime().exec(cmd);=20
=
<BR><BR>/**=D2=EB=D5=DF=D7=A2=A3=BA=C7=B0=C3=E6=B5=C4=C9=F9=C3=F7=D3=A6=B8=
=C3=B8=C4=B3=C9java.lang.Process=A3=AC=BC=B4=A3=BA=20
<BR><BR>java.lang.Process proc =3D=20
Runtime.getRuntime().exec(cmd);=20
=
<BR><BR>=C8=E7=B9=FB=B2=BB=B8=C4=B5=C4=BB=B0=BF=C9=C4=DC=B1=E0=D2=EB=B2=BB=
=CD=AC=CD=A8=B9=FD=A3=AC=D4=DA=D2=EB=D5=DF=B5=C4=BB=FA=C6=F7=C9=CF=CA=B9=D3=
=C3jdk1.2=A3=AC=B1=E0=D2=EB=B3=F6=CF=D65=B8=F6=B4=ED=CE=F3=20
=
<BR><BR>=CA=B9=D3=C3jdk1.4=B1=E0=D2=EB=B3=F6=CF=D64=B8=F6=B4=ED=CE=F3 =
<BR><BR>*/ <BR><BR>// get=20
command's output stream and <BR><BR>// put =
a=20
buffered reader input stream on it=20
<BR><BR><BR><BR>InputStream istr =3D=20
proc.getInputStream(); =
<BR><BR>BufferedReader br =3D=20
<BR><BR>new BufferedReader(new=20
InputStreamReader(istr)); =
<BR><BR><BR><BR>// read=20
output lines from command =
<BR><BR><BR><BR>String=20
str; <BR><BR>while ((str =3D =
br.readLine()) !=3D null)=20
<BR><BR>list.add(str); <BR><BR><BR><BR>// =
wait for=20
command to terminate <BR><BR><BR><BR>try { =
<BR><BR>proc.waitFor(); <BR><BR>} =
<BR><BR>catch=20
(InterruptedException e) {=20
<BR><BR>System.err.println("process was=20
interrupted"); <BR><BR>} =
<BR><BR><BR><BR>// check=20
its exit value <BR><BR><BR><BR>if=20
(proc.exitValue() !=3D 0)=20
<BR><BR>System.err.println("exit value was =
non-zero"); <BR><BR><BR><BR>// close =
stream=20
<BR><BR><BR><BR>br.close(); =
<BR><BR><BR><BR>//=20
return list of strings to caller=20
<BR><BR><BR><BR>return =
(String[])list.toArray(new=20
String[0]); <BR><BR>} =
<BR><BR><BR><BR>public=20
static void main(String args[]) throws =
IOException=20
{ <BR><BR>try { <BR><BR><BR><BR>// run a =
command=20
<BR><BR><BR><BR>String outlist[] =3D=20
runCommand("test"); <BR><BR><BR><BR>// =
display its=20
output <BR><BR><BR><BR>for (int i =3D 0; i =
<=20
outlist.length; i++)=20
<BR><BR>System.out.println(outlist[i]); =
<BR><BR>}=20
<BR><BR>catch (IOException e) {=20
<BR><BR>System.err.println(e); <BR><BR>} =
<BR><BR>}=20
<BR><BR>} =
<BR><BR><BR><BR>=D1=DD=CA=BE=B3=CC=D0=F2=B5=F7=D3=C3=B7=BD=B7=A8runComman=
d=20
=CA=B5=BC=CA=D4=CB=D0=D0=B3=CC=D0=F2=A1=A3 =
<BR><BR><BR><BR>String outlist[] =3D=20
runCommand("test");=20
=
<BR><BR><BR><BR>=D5=E2=B8=F6=B7=BD=B7=A8=CA=B9=D3=C3=D2=BB=B8=F6=CA=E4=C8=
=EB=C1=F7=B9=B3=C8=A1=B3=CC=D0=F2=B5=C4=CA=E4=B3=F6=C1=F7=A3=AC=D2=F2=B4=CB=
=CB=FC=BF=C9=D2=D4=B6=C1=C8=A1=B3=CC=D0=F2=B5=C4=CA=E4=B3=F6=A3=AC=C8=BB=BA=
=F3=BD=AB=D6=AE=B4=E6=C8=EB=D2=BB=B8=F6=D7=D6=B7=FB=B4=AE=C1=D0=B1=ED=A1=A3=
=20
<BR><BR><BR><BR>InputStream istr =3D=20
proc.getInputStream(); =
<BR><BR>BufferedReader br =3D=20
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