[整理]Error: [ngRepeat:dupes]的解决方法

最新推荐文章于 2020-10-30 14:37:29 发布

转载最新推荐文章于 2020-10-30 14:37:29 发布 · 231 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/Benoly/p/4195087.html

本文深入探讨了AngularJS中分页组件出现的错误原因，并提供了优化解决方案，包括避免ngRepeat错误、调整标签使用以及关键代码片段的修改。详细介绍了错误提示、错误解决过程以及改进后的代码实现。

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<div class="pageNum middle PT10">
          <a href="javascript:void(0);" ng-show="pager.pageIndex>1" ng-click="pager.setFirstPage()">首页</a>
          <a href="javascript:void(0);" ng-show="pager.pageIndex>1" ng-click="pager.setPreviousPage()">上一页</a>
          <a href="javascript:void(0);" class="{{(page==pager.pageIndex)?'current':''}}" ng-repeat="page in pager.rangePages  " ng-click="pager.setPage(page)">{{page}}</a>          
          <a href="javascript:void(0);" ng-show="pager.pageIndex<pager.getMaxPages()" ng-click="pager.setNexPage()">下一页</a>
          <a href="javascript:void(0);" ng-show="pager.pageIndex<pager.getMaxPages()" ng-click="pager.setLastPage()">尾页</a>
 </div>

    updateRangePages: function(){
      var pageNums = []
      var curPage = this.pageIndex
      var maxPage =  this.getMaxPages()

      var begin = parseInt(curPage-5)>1?parseInt(curPage-5):1
      var end = parseInt(begin+10)>maxPage?maxPage:parseInt(begin+10)

      if(parseInt(curPage-5)>1){
          pageNums.push(1)
          pageNums.push('...')
      }

      while(begin<=end){
          pageNums.push(begin++)
         }
               
      /*
      页面出错
      Error: [ngRepeat:dupes] http://errors.angularjs.org/1.2.20/ngRepeat/dupes?p0=page%20in%20pager.rangePages&p1=string%3A...
      */
      try{
          if(end<maxPage){
                    pageNums.push('...')
              pageNums.push(maxPage)    
             }
        }
        catch(e){
            console.log(e)
        }
              
      delete this.rangePages
      this.rangePages = pageNums
    }

出现错误，什么原因呢？

http://errors.angularjs.org/1.2.20/ngRepeat/dupes?p0=page%20in%20pager.rangePages&p1=string%3A...

经确定，因为有相同的内容而重复引起，所以前端需修改下黄色标记。

<div class="pageNum middle PT10">
          <a href="javascript:void(0);" ng-show="pager.pageIndex>1" ng-click="pager.setFirstPage()">首页</a>
          <a href="javascript:void(0);" ng-show="pager.pageIndex>1" ng-click="pager.setPreviousPage()">上一页</a>
          <a href="javascript:void(0);" class="{{(page==pager.pageIndex)?'current':''}}" ng-repeat="page in pager.rangePages track by $index" ng-click="pager.setPage(page)">{{page}}</a>          
          <a href="javascript:void(0);" ng-show="pager.pageIndex<pager.getMaxPages()" ng-click="pager.setNexPage()">下一页</a>
          <a href="javascript:void(0);" ng-show="pager.pageIndex<pager.getMaxPages()" ng-click="pager.setLastPage()">尾页</a>
</div>