Articles in the category of 设计开发

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dart 中的list

list void main(){ var list1 = [1,2,3,"dart",true]; print(list1); print(list1[1]); list1[1] = 'hello'; print(list1); var list2 = const [1,2,3]; print(list2); ...

  • lycorisradiata
  • August 6, 2020
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    dart 中的map

    map## 标题文字 ## void main(){ var map1 = {"first":'dart',1:true}; print(map1); print(map1['first']); map1[1] = false; print(map1); var map = {"first":'dar...

  • lycorisradiata
  • August 6, 2020
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    dart中的string

    String void main(){ String str1 ='hello'; String str2 ='''hello dart'''; String str3 ='hello \n dart'; String str4 =r'hello \n dart'; String st...

  • lycorisradiata
  • August 6, 2020
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    vue中使用@scroll监听滚动事件，@scroll无效

    在做滚动条滑到底部时有自动加载更多这个需求。 <template> <div class="content" ref="scroll" @scroll="loadMore"> <ul> <li v-for="(book, index...

  • lycorisradiata
  • April 26, 2020
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    vue循环组件

    <div id="app"> <card :type="article.type" @say-title="parent" v-for="article in articles"> <div slot="title"...

  • lycorisradiata
  • March 22, 2020