我正在创建一个带有图像砌体的页面,尽管这些图像将以异步方式获取。此外,您可以过滤图像,因此应在每次更改后重新渲染。
我的vue组件:
<template>
<div>
<div class="fixed-panel">
<h4 class="site-name">Smart Math Puzzles</h4>
<a class="btn btn-sm btn-success" @click="difficulty = 1">easy</a>
<a class="btn btn-sm btn-info" @click="difficulty = 2">medium</a>
<a class="btn btn-sm btn-warning" @click="difficulty = 3">hard</a>
<a class="btn btn-sm btn-primary" @click="difficulty = 0">all</a>
</div>
<div id="grid">
<div class="grid-sizer"></div>
<div class="grid-item" v-for="puzzle in puzzles" @click="openModal(puzzle)">
<img :src="puzzle.imageAddress">
<div class="overlay">
<span class="title">{{ puzzle.name }}</span>
</div>
</div>
</div>
<puzzle-modal></puzzle-modal>
</div>
</template>
<script>
import Masonry from 'masonry-layout';
import ImagesLoaded from 'imagesloaded';
import PuzzleModal from './PuzzleModal.vue';
export default {
data: function() {
return {
difficulty: 0,
allPuzzles: []
}
},
computed: {
puzzles: function() {
return this.filterPuzzlesByDifficulty(this.difficulty);
}
},
watch: {
puzzles: function() {
this.createGrid();
}
},
mounted: function() {
this.fetchPuzzlesData();
},
methods: {
fetchPuzzlesData: function() {
this.$http.get('api/puzzles')
.then((response) => {
this.allPuzzles = response.data;
});
},
openModal: function(puzzle) {
this.$eventHub.$emit('openModal', puzzle);
},
filterPuzzlesByDifficulty: function(diff) {
if (diff === 0)
return this.allPuzzles;
else
return this.allPuzzles.filter((puzzle) => puzzle.difficulty === diff);
},
imagesLoaded: function() {
const grid = document.querySelector('#grid');
return new ImagesLoaded(grid, () => {
setTimeout(() => {
this.masonry();
}, 100);
});
},
masonry: function() {
const grid = document.querySelector('#grid');
return new Masonry(grid, {
percentPosition: true,
itemSelector: '.grid-item',
columnWidth: '.grid-sizer',
});
},
createGrid: function() {
if (!this.allPuzzles.length > 0)
return;
this.imagesLoaded();
}
},
components: {
'puzzle-modal': PuzzleModal,
}
}
</script>
问题是: 在本地服务器上(图像几乎立即加载)一切正常,我所说的一切:你可以使用计算值过滤图像,然后用砖石渲染。
远程服务器上的但会开始中断。 Masonry不会等待图片加载而且,对我来说非常奇怪的事情,计算值不起作用。如果我想要显示所有内容,请点击&#34; all&#34;过滤它很好,所有元素都从allPuzzles添加到谜题。但是任何其他过滤器(简单,中等,硬)都会导致计算出的谜题完全没有元素。
答案 0 :(得分:2)
好。我已经解决了问题包装this.imagesLoaded()的问题。$ nextTick,所以createGrid方法看起来像这样:
vertical orientation
此外,过滤问题是由不同的数据类型引起的。我不知道为什么在地方发展上它被忽视了。