利用Groovy的动态特性删除属性

2015/12/14 64691

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class A {   
   String attToRemove   
   int otherAtt   
}   
  
def a = new A()   
a.attToRemove = 1  
println a.attToRemove   
  
A.metaClass.properties.remove(A.metaClass.properties.attToRemove)   
  
println a.attToRemove // 这里抛异常了