if语句里return this
时间: 2023-09-15 20:16:23 浏览: 46
在if语句中,return this的作用是返回当前对象的引用。这种用法通常用于链式调用的设计模式,可以在一个对象上连续调用多个方法。在示例中,当调用url方法时,会将url参数设置为urls变量的值,并返回当前对象的引用,以便可以继续在该对象上调用其他方法。这样可以实现代码的简洁性和可读性。\[3\]
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