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Class ownerClass = owner.getClass()£ºµÃµ½¶ÔÏóownerµÄClass¡£
Field field = ownerClass.getField(fieldName)£ºÍ¨¹ýClassµÃµ½ÀàÉùÃ÷µÄÊôÐÔ¡£
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public Object invokeMethod(Object owner, String methodName, Object[] args) throws Exception {
     Class ownerClass = owner.getClass();
     Class[] argsClass = new Class[args.length]; 
     for (int i = 0, j = args.length; i < j; i++) {
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      Method method = ownerClass.getMethod(methodName, argsClass);
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public Object newInstance(String className, Object[] args) throws Exception {
     Class newoneClass = Class.forName(className); 
     Class[] argsClass = new Class[args.length];  
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