问题出在数据源里 'difference':'白色,100'
必须先尺寸在颜色 'difference':'100,白色'
,用100,白色
匹配下图的数据源,但是这个数据源有时候是 白色,100
就报错了,有解决思路么,各位老哥,思否人才多啊
<div id="vmsimulatedDATA" class="productBox">
<div class="productConten">
<div class="product-delcom" v-for="(ProductItem,n) in simulatedDATA.specifications">
<p>{{ProductItem.name}}</p>
<ul class="product-footerlist clearfix">
<li v-for="(oItem,index) in ProductItem.item" v-on:click="specificationBtn(oItem.name,n,$event,index)" v-bind:class="[oItem.isShow?'':'noneActive',subIndex[n] == index?'productActive':'']">{{oItem.name}}</li>
</ul>
</div>
</div>
<div class="product-footer">
<a href="javascript:">立即购买</a>
</div>
</div>
<script>
var vmsimulatedDATA = new Vue({
el: "#vmsimulatedDATA",
data: {
simulatedDATA: { //模拟后台返回的数据 多规格
"difference": [{ //所有的规格可能情况都在这个数组里
"id": "19",
"price": "200.00",
"stock": "19",
"difference": "白色,100"
},
{
"id": "20",
"price": "300.00",
"stock": "29",
"difference": "200,白色"
},
{
"id": "21",
"price": "300.00",
"stock": "10",
"difference": "100,黑丝"
},
{
"id": "22",
"price": "300.00",
"stock": "0",
"difference": "200,黑丝"
},
{
"id": "23",
"price": "500.00",
"stock": "48",
"difference": "100,绿色"
},
{
"id": "24",
"price": "500.00",
"stock": "0",
"difference": "200,绿色"
}
],
"specifications": [{ //这里是要被渲染字段
"name": "尺寸",
"item": [{
"name": "100",
},
{
"name": "200",
}
]
},
{
"name": "颜色",
"item": [{
"name": "白色",
},
{
"name": "黑丝",
},
{
"name": "绿色",
}
]
}
]
},
selectArr: [], //存放被选中的值
shopItemInfo: {}, //存放要和选中的值进行匹配的数据
subIndex: [], //是否选中 因为不确定是多规格还是但规格,所以这里定义数组来判断
},
created: function () {
var self = this;
for (var i in self.simulatedDATA.difference) {
self.shopItemInfo[self.simulatedDATA.difference[i].difference] = self.simulatedDATA.difference[
i]; //修改数据结构格式,改成键值对的方式,以方便和选中之后的值进行匹配
}
self.checkItem();
},
mounted: function () {
},
methods: {
specificationBtn: function (item, n, event, index) {
var self = this;
if (self.selectArr[n] != item) {
self.selectArr[n] = item;
self.subIndex[n] = index;
} else {
self.selectArr[n] = "";
self.subIndex[n] = -1; //去掉选中的颜色
}
self.checkItem();
},
checkItem: function () {
var self = this;
var option = self.simulatedDATA.specifications;
var result = []; //定义数组存储被选中的值
for (var i in option) {
result[i] = self.selectArr[i] ? self.selectArr[i] : '';
}
console.log(this.option)
for (var i in option) {
var last = result[i]; //把选中的值存放到字符串last去
for (var k in option[i].item) {
result[i] = option[i].item[k].name; //赋值,存在直接覆盖,不存在往里面添加name值
option[i].item[k].isShow = self.isMay(result); //在数据里面添加字段isShow来判断是否可以选择
}
result[i] = last; //还原,目的是记录点下去那个值,避免下一次执行循环时避免被覆盖
}
self.$forceUpdate(); //重绘
},
isMay: function (result) {
for (var i in result) {
if (result[i] == '') {
return true; //如果数组里有为空的值,那直接返回true
}
}
console.log(result)
console.log(this.shopItemInfo)
return this.shopItemInfo[result].stock == 0 ? false : true; //匹配选中的数据的库存,若不为空返回true反之返回false
}
}
})
</script>