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vue实现ajax滚动下拉加载,同时具有loading效果

<!doctype html><html><head><meta charset="utf-8"><title>vue测试ajax的使用</title><meta id="viewport" name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" /><style>*{ padding:0; margin:0}.list ul li{padding:10px 5px 10px 10px;overflow:hidden;zoom:1;position:relative;border-bottom:1px solid #e8e8e8;}.list ul li .img{margin-right:10px;display:block;width:60px;float:left;}.list ul li img{width:60px;height:60px;border-radius:8px;}.list ul li p{-webkit-box-flex:1;color:#777;overflow:hidden;padding-right:70px;}.list ul li p em{margin:7px 0;}.list ul li p a{display:block;height:16px;line-height:16px;overflow:hidden;font-size:15px;}.list ul li p span{display:block;line-height:16px;height:16px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font:12px "\5FAE\8F6F\96C5\9ED1";}.list ul li p u{margin:0 6px;padding:0 6px;border-left:1px solid #d9d9d9;border-right:1px solid #d9d9d9;}.list ul li .btn {width: 40px;height: 25px;padding-top: 35px;color: #65bb0a;line-height:25px;text-align:center;background: none;position:absolute;right:5px; top:12px}.list ul li .btn .bg {position: absolute;left: 0;top: 0;display: inline-block;width: 100%;height: 30px;repeat;background-size: 26px auto;}.get-more,.loading{display:block;padding:15px 0; line-height:16px;text-align:center;font-size:14px;}.loading{width:75px; margin:0 auto; background:url(imgs/loading.gif) 0 center no-repeat; padding-left:15px; background-size:13px auto}</style></head><body><div class="list" id="app" v-scroll="getMore">    <ul>        <li v-for="item in games">            <a v-bind:href="http://www.mamicode.com/item.url" class="img"><img v-bind:src="http://www.mamicode.com/item.img"></a>            <p>                <a v-bind:href="http://www.mamicode.com/item.url">{{item.title}}</a>                <em class="lstar4"></em>                <span>{{item.server}}<u>39.9M</u>v2.1.3</span>            </p>            <a v-bind:href="http://www.mamicode.com/item.url" class="btn"><em class="bg"></em>下载</a>        </li>    </ul>    <div>        <p class="get-more" v-on:click="getMore()" v-show="switchShow">点击加载更多</p>        <p class="loading" v-show="!switchShow">加载中...</p>    </div></div><script src="http://www.mamicode.com/js/vue.js"></script><script src="http://cdn.bootcss.com/vue-resource/1.0.3/vue-resource.min.js"></script><!--<script src="http://211.149.193.19:8090/vue-tutorials/04.OAuth/jquery-zepto/js/zepto.js"></script>--><script>var vm = new Vue({    el:‘#app‘,    data: {        url: ‘http://*******.com/dynamic.php?s=/Afs/ajaxHisTestServerData/cate_id/4/sta/‘,        nowPage: 0,        switchShow:false,        games: []    },    methods: {        moreFn: function (itemIndex) {            // console.log(this.nowPage)            this.$http.jsonp(this.url + itemIndex*10).then(function (response) {                this.games=this.games.concat(response.body);                this.switchShow=!this.switchShow;              }, function (response) {                  console.log(response)            });                    },        getMore: function () {            this.switchShow=!this.switchShow;            this.nowPage++;            this.moreFn(this.nowPage);        },        init: function () {            this.moreFn(this.nowPage);        }    },    directives: {// 自定义指令      scroll: {        bind: function (el, binding){          window.addEventListener(‘scroll‘, function () {            if(document.body.scrollTop + window.innerHeight >= el.clientHeight) {              var fnc = binding.value;                 fnc();             }          })        }      }    }})vm.init();</script></body></html>

 功能介绍:

1.vue进行ajax请求加载;

2.实现滚动,点击加载数据;

3.通过自定义实现loading 效果;

难点:

1.需要官方的vue-resource组件,进行ajax请求,所以需要了解该API;

2.loading,通过v-show进行判断显示不同的loading 效果;

3.自定义指令,也是最难点,所以需要了解基本的自定义指令API;

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vue实现ajax滚动下拉加载,同时具有loading效果