super以及this

super注意点
super调用父类的构造方法，必须在构造方法的第一个
super和thi不能同时调用构造方法
与this的区别
代表的对象不同：
this：本身调用者这个对象
super：代表父类对象的引用
前提：
this：没有继承也可以使用
super：只能在继承条件下才可以使用
构造方法：
this();本类的构造
super()；父类的构造

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super thissuper this 方法 静态super this 方法super this super super-resolution super-block super-read-only vue-super-flow getclass方法super super-permutation