感谢免费教学:https://www.imooc.com/video/14039
new Vue({
el:"#app",
//模型
data:{
},
filters:{
},
mounted:function(){
this.$nextTick(function(){
//初始化调用
});
},
computed:{
//实时计算
},
methods:{
}
});
<li v-for="(item,index) in productList">
<div class="item-name">{{item.productName}}div>
li>
(实时更新)
<input type="text" value="0" disabled v-model="item.productQuantity">
<div class="item-price-total">{{item.productQuantity}}div>
<a href="javascript:;" class="item-check-btn" v-bind:class="{'check':item.checked}">
1.html引用方式
<div class="item-price">{{item.productPrice | money('元')}}div>
2.过滤器
filters:{
formatMoney:function(value,type){
return "¥"+value.toFixed(2)+ type;
}
},
3.全局过滤器(写在new Vue的外面)
Vue.filter("money",function(value,type){
return "¥"+value.toFixed(2) + type; //保留两位小数 结果eg:¥19.00元
});
@click="method(param)"
//或者
@click="delFlag=false"
@click="limitNum=addressList.length"
如下:默认显示三条数据,点击more 显示所有
<li v-for="(item,index) in filterAddress">
<div class="shipping-addr-more">
<a class="addr-more-btn up-down-btn" href="javascript:" @click="limitNum=addressList.length">
more
<i class="i-up-down">
<i class="i-up-down-l">i>
<i class="i-up-down-r">i>
i>
a>
div>
data:{
limitNum:3
},
computed:{
filterAddress:function(){
return this.addressList.slice(0,this.limitNum);
}
},
1.以下实现了对循环卡片的点击 选中
<li v-for="(item,index) in filterAddress" v-bind:class="{'check':index==currentIndex}"
@click="currentIndex=index">
2.以下实现了对固定卡片的点击 选中
<ul>
<li v-bind:class="{'check':shippingMethod==1}" @click="shippingMethod=1">
<div class="name">标准配送div>
<div class="price">Freediv>
li >
<li v-bind:class="{'check':shippingMethod==2}" @click="shippingMethod=2">
<div class="name">高级配送div>
<div class="price">180div>
li>
ul>
题外话:由于本人小白,学一点是一点,额外记录一下辅助弹出框 遮罩层的写法
<div class="md-overlay" v-if="delFlag">div>
1.调用后端方法
var _this = this;
this.$http.get("data/address.json").then(function(response){
_this.addressList = response; //这里不能直接用this 此this非彼this 所以只能声明_this
});
//以下为ES6写法,就可以直接用this了
let _this = this; //没用,就放这看看~
this.$http.get("data/cartData.json",{"id":123}).then(res=>{
this.productList = res.data.result.list;
});
2.forEach循环
this.productList.forEach(function(item,index){
if(typeof item.checked == 'undefined'){
//如果item中没有checked属性 在item对象中添加checked属性,值为true
_this.$set(item,"checked",true);//局部注册
Vue.set(item,"checked",true);//全局注册
}
});
附上链接:码云地址vue2_study
欢迎改错更正