@groovy.transform.ToString
class Book{def namedef price
}def book = new Book(name:"Groovy In Action", price: 68)
println book
println book.dump()
println book.inspect()/*
结果如下：
Book(Groovy In Action, 68)
<Book@41067f0a name=Groovy In Action price=68>
Book(Groovy In Action, 68)*/

@groovy.transform.ToString
public class Book implements groovy.lang.GroovyObject extends java.lang.Object { private java.lang.Object name private java.lang.Object price private static org.codehaus.groovy.reflection.ClassInfo $staticClassInfo public static transient boolean __$stMC private transient groovy.lang.MetaClass metaClass public Book() {metaClass = /*BytecodeExpression*/}public java.lang.String toString() {java.lang.Object _result = new java.lang.StringBuilder()java.lang.Object $toStringFirst = true_result.append('Book(')if ( $toStringFirst ) {$toStringFirst = false} else {_result.append(', ')}if (this.getName().is(this)) {_result.append('(this)')} else {_result.append(org.codehaus.groovy.runtime.InvokerHelper.toString(this.getName()))}if ( $toStringFirst ) {$toStringFirst = false} else {_result.append(', ')}if (this.getPrice().is(this)) {_result.append('(this)')} else {_result.append(org.codehaus.groovy.runtime.InvokerHelper.toString(this.getPrice()))}_result.append(')')return _result.toString()}protected groovy.lang.MetaClass $getStaticMetaClass() {}public groovy.lang.MetaClass getMetaClass() {}public void setMetaClass(groovy.lang.MetaClass mc) {}public java.lang.Object invokeMethod(java.lang.String method, java.lang.Object arguments) {}public java.lang.Object getProperty(java.lang.String property) {}public void setProperty(java.lang.String property, java.lang.Object value) {}public java.lang.Object getName() {}public void setName(java.lang.Object value) {}public java.lang.Object getPrice() {}public void setPrice(java.lang.Object value) {}public java.lang.String super$1$toString() {}}