vue界面初始化查询列表的方法之购物车案例-------支付界面

new Vue({

  el:".container",

  data:{

    addressList:[],

    limitNum:3,

    currentIndex:0, //用于选择地址,调用:class="{'check':index==currentIndex}" @click="currentIndex=index"

    shippingMethod:1,//使用见文档底部图片

  },

  mounted:function(){

    this.$nextTick(function(){

      getAddressList()

    })

  },

  computed:{//computed一般用于实时计算

    filterAddress:function(){ for循环中的过滤器,初始化时只显示三个地址。调用 v-for = "(item ,index) in filterAddress"

      return this.addressList.slice(0,this.limitNum); 截取前3个

    }

  },

  methods:{

    getAddressList:function(){

      this.$http.get("data/address.json").then(response=>{

        var res =response.data;

        if(res.status == "0"){

          this.addressList = res.result

        }

      })

    },

    loadMord:function(){ //显示全部地址

      this.limitNum = this.addressList.length

    },

    setDefault:function(addressId){

      this.addressList.forEach((address,index)=>{

        if(address.addressId==addressId){

          address.isDefault = true;

        }else{

          address.isDefault = false;

        }

      })

    }

  }  

})

原文地址:https://www.cnblogs.com/cxdxm/p/6662981.html