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import javax.script.*;
import org.python.util.pythoninterpreter;
import java.io.*;
import static java.lang.system.*;
public class firstjavascript
{
public static void main(string args[])
{
pythoninterpreter interpreter = new pythoninterpreter();
interpreter.exec(days=('mod','tue','wed','thu','fri','sat','sun'); );
interpreter.exec(print days[1];);
}//main
}
这样得到的结果是tue,在控制台显示出来,这是直接进行调用的。
2.在java中调用本机python脚本中的函数:
首先建立一个python脚本,名字为:my_utils.py
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def adder(a, b):
return a + b
然后建立一个java类,用来测试,
java类代码 firstjavascript:
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import javax.script.*;
import org.python.core.pyfunction;
import org.python.core.pyinteger;
import org.python.core.pyobject;
import org.python.util.pythoninterpreter;
import java.io.*;
import static java.lang.system.*;
public class firstjavascript
{
public static void main(string args[])
{
pythoninterpreter interpreter = new pythoninterpreter();
interpreter.execfile(c:\\python27\\programs\\my_utils.py);//路径,脚本名称
pyfunction func = (pyfunction)interpreter.get(adder,pyfunction.class);//adder python函数名
int a = 2010, b = 2 ;
pyobject pyobj = func.__call__(new pyinteger(a), new pyinteger(b));//传值,a b
system.out.println(anwser = + pyobj.tostring());
}//main
}
得到的结果是:anwser = 2012
3.使用java直接执行python脚本,
建立脚本inputpy
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#open files
print 'hello'
number=[3,5,2,0,6]
print number
number.sort()
print number
number.append(0)
print number
print number.count(0)
print number.index(5)
建立java类,调用这个脚本:
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import javax.script.*;
import org.python.core.pyfunction;
import org.python.core.pyinteger;
import org.python.core.pyobject;
import org.python.util.pythoninterpreter;
import java.io.*;
import static java.lang.system.*;
public class firstjavascript
{
public static void main(string args[])
{
pythoninterpreter interpreter = new pythoninterpreter();
interpreter.execfile(c:\\python27\\programs\\input.py);
}//main
}
得到的结果是:
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hello
[3, 5, 2, 0, 6]
[0, 2, 3, 5, 6]
[0, 2, 3, 5, 6, 0]
2
3
