Invalid prop: type check failed for prop "currentPage". Expected Number with value NaN, got PointerEvent

根据引用和引用的内容可知，问题出现在将从localStorage中获取的数据赋值给currentPage变量时，由于存储时是int类型，取出时变成了string类型，导致了类型冲突。解决方法是在获取localStorage数据时，使用parseInt()函数将其转换为int类型，以保持前后变量赋值一致。具体代码如下所示：

let localstorage_current_page = 1; //初始化为1，若一开始localStorage没有缓存，则显示首页面。
if(localStorage.getItem("current_page")){
  this.current_page = parseInt(localStorage.getItem("current_page"));
  localstorage_current_page = parseInt(localStorage.getItem("current_page"));
}

这样就可以解决Invalid prop: type check failed for prop "currentPage"的问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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