1: package test;
2:
3: import javax.script.ScriptEngine;
4: import javax.script.ScriptEngineManager;
5: import javax.script.ScriptException;
6:
7: public class ScriptExcuteUtil {
8:
9: public ScriptExcuteUtil() {
10:
11: }
12:
13: /**
14: * @param args
15: */
16: public static void main(String[] args) {
17: ScriptEngineManager manager = new ScriptEngineManager();
18: ScriptEngine engine = manager.getEngineByName("groovy");
19: try {
20: System.out.println("calling groovy from java start");
21: engine.put("name", "VerRan");
22: engine.eval("println \"${name}\"+\"你好\";name=name+'！'");
23: System.out.println(engine.get("name"));
24: System.out.println("calling groovy from java end");
25:
26: engine.eval("");
27: } catch (ScriptException e) {
28: e.printStackTrace();
29: }
30: }
31:
32: }
1: package test;
2:
3: import groovy.lang.GroovyClassLoader;
4: import java.io.File;
5:
6: public class InvokeGroovy {
7: public static void main(String[] args) {
8: ClassLoader cl = new InvokeGroovy().getClass().getClassLoader();
9: GroovyClassLoader groovyCl = new GroovyClassLoader(cl);
10: try {
11: // 从文件中读取
12: Class groovyClass = groovyCl.parseClass(new File(
13: "C:\\mysource2\\GroovyLearn\\groovy\\fist\\Foo.groovy"));
14: Class groovyClass2 = groovyCl
15: .parseClass("package org.openjweb.groovy; \r\n import test.IFoo;\r\n class Foo implements IFoo {public Object run(Object foo) {return ((Integer)foo).intValue()+3}}");
16:
17: IFoo foo = (IFoo) groovyClass.newInstance();
18: System.out.println(foo.run(new Integer(2)));
19:
20: IFoo foo2 = (IFoo) groovyClass2.newInstance();
21: System.out.println(foo2.run(new Integer(2)));
22:
23: } catch (Exception e) {
24: e.printStackTrace();
25: }
26: }
27: }
ClassLoader 的另一种方式
ClassLoader parent = ClassLoader.getSystemClassLoader();
GroovyClassLoader loader = new GroovyClassLoader(parent);
