Java版本
D：\ Documents \ work \ tmp> java -version
java版本“ 1.8.0_211” Java（TM）
SE运行时环境（内部版本1.8.0_211-b12）Java HotSpot（TM）64位
服务器VM（内部版本25.211-b12，混合模式）
代码：
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
public class Test {
// Call Javascript
public static void main(String[] args) throws ScriptException {
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("JavaScript");
engine.eval("var global = this;");
engine.eval("var b = new Blob();");
}
}
错误：
Exception in thread "main" javax.script.ScriptException: ReferenceError: "Blob" is not defined in <eval> at line number 1
at jdk.nashorn.api.scripting.NashornScriptEngine.throwAsScriptException(NashornScriptEngine.java:470)
at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:454)
at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:406)
at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:402)
at jdk.nashorn.api.scripting.NashornScriptEngine.eval(NashornScriptEngine.java:155)
at javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:264)
at Test.main(Test.java:12)
Caused by: <eval>:1 ReferenceError: "Blob" is not defined
at jdk.nashorn.internal.runtime.ECMAErrors.error(ECMAErrors.java:57)
at jdk.nashorn.internal.runtime.ECMAErrors.referenceError(ECMAErrors.java:319)
at jdk.nashorn.internal.runtime.ECMAErrors.referenceError(ECMAErrors.java:291)
at jdk.nashorn.internal.objects.Global.__noSuchProperty__(Global.java:1442)
at jdk.nashorn.internal.scripts.Script$1$\^eval\_.:program(<eval>:1)
at jdk.nashorn.internal.runtime.ScriptFunctionData.invoke(ScriptFunctionData.java:637)
at jdk.nashorn.internal.runtime.ScriptFunction.invoke(ScriptFunction.java:494)
at jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:393)
at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:449)
... 5 more
我不明白为什么Blob中未定义NashornScriptEngine。是否有解决方案，或者可以将Blob与NashornScriptEngine结合使用？