• dropLoad.js移动端分页----Vue数据每次清空累加


    dropLoad.js移动端使用

    1、需要引入  dropload   必要的两个文件dropload.css 、dropload.min.js

    此案例在vue项目中使用过程:

    var vm = new Vue({
    el:'#app',
        data:{
            page:1,         //当前页数
            dropload:null,   //dropload定义
         limit :10,       //请求数据的条数
    
        },
        created: function () {
           
        },
        mounted:function(){
        },
        methods:{
         //请求分页数据后在排序,会造成与上次分页出展示数据不一致,这里实现数据累计limt请求数据为总显示数据条数
            limitFn(){
                var self = this;
                var totalNum = self.datainfoList.length;
                self.limit = totalNum;
            },
            dealerSelectFn:function(){
                var self = this;
                self.dealer_id = dealer_id;
                methods.ajax("/index.php/Specialcar/SpecialInfo/specialList",{
                    page:self.page,
                    limit:self.limit,
                },function(res){
            //res.data.list 为要展示的数据列表
                    if(res.data.list.length>0){
                //每次请求出的新数据与上次数据进行累计,concat
    
                        self.datainfoList=self.datainfoList.concat(res.data.list);
                    }
            //分页请求的最后一次数据为空,所有length为0时提示 “没有更多信息了”
    
                    if(self.page>1 && res.data.list.length==0){
                        methods.prompt("没有更多信息了!")
                        return false;
                    };
                    //分页code
                    self.setOrderList(self.datainfoList)
                })
            },
            setOrderList(data){
                var self = this;
                if(self.dropload){
                    self.dropload.resetload();
                }else{
                    //分页   ------   加载更多
                    self.dropload=$('.order-list').dropload({
                        scrollArea : window,
                        autoLoad:false,
                        loadDownFn : function(me){
                            self.page++;
                            self.dealerSelectFn();
                        }
                    })
                }
            },
        },
        filters: {
            
        }
    });
      

    dropload.min.js

    /**
     * dropload
     * 西门(http://ons.me/526.html)
     * 0.9.0(160215)
     */
    !function(a) {
        "use strict";
        function g(a) {
            a.touches || (a.touches = a.originalEvent.touches)
        }
        function h(a, b) {
            b._startY = a.touches[0].pageY,
            b.touchScrollTop = b.$scrollArea.scrollTop()
        }
        function i(b, c) {
            c._curY = b.touches[0].pageY,
            c._moveY = c._curY - c._startY,
            c._moveY > 0 ? c.direction = "down" : c._moveY < 0 && (c.direction = "up");
            var d = Math.abs(c._moveY);
            "" != c.opts.loadUpFn && c.touchScrollTop <= 0 && "down" == c.direction && !c.isLockUp && (b.preventDefault(),
            c.$domUp = a("." + c.opts.domUp.domClass),
            c.upInsertDOM || (c.$element.prepend('<div class="' + c.opts.domUp.domClass + '"></div>'),
            c.upInsertDOM = !0),
            n(c.$domUp, 0),
            d <= c.opts.distance ? (c._offsetY = d,
            c.$domUp.html(c.opts.domUp.domRefresh)) : d > c.opts.distance && d <= 2 * c.opts.distance ? (c._offsetY = c.opts.distance + .5 * (d - c.opts.distance),
            c.$domUp.html(c.opts.domUp.domUpdate)) : c._offsetY = c.opts.distance + .5 * c.opts.distance + .2 * (d - 2 * c.opts.distance),
            c.$domUp.css({
                height: c._offsetY
            }))
        }
        function j(b) {
            var c = Math.abs(b._moveY);
            "" != b.opts.loadUpFn && b.touchScrollTop <= 0 && "down" == b.direction && !b.isLockUp && (n(b.$domUp, 300),
            c > b.opts.distance ? (b.$domUp.css({
                height: b.$domUp.children().height()
            }),
            b.$domUp.html(b.opts.domUp.domLoad),
            b.loading = !0,
            b.opts.loadUpFn(b)) : b.$domUp.css({
                height: "0"
            }).on("webkitTransitionEnd mozTransitionEnd transitionend", function() {
                b.upInsertDOM = !1,
                a(this).remove()
            }),
            b._moveY = 0)
        }
        function k(a) {
            a.opts.autoLoad && a._scrollContentHeight - a._threshold <= a._scrollWindowHeight && m(a)
        }
        function l(a) {
            a._scrollContentHeight = a.opts.scrollArea == b ? e.height() : a.$element[0].scrollHeight
        }
        function m(a) {
            a.direction = "up",
            a.$domDown.html(a.opts.domDown.domLoad),
            a.loading = !0,
            a.opts.loadDownFn(a)
        }
        function n(a, b) {
            a.css({
                "-webkit-transition": "all " + b + "ms",
                transition: "all " + b + "ms"
            })
        }
        var f, b = window, c = document, d = a(b), e = a(c);
        a.fn.dropload = function(a) {
            return new f(this,a)
        }
        ,
        f = function(a, b) {
            var c = this;
            c.$element = a,
            c.upInsertDOM = !1,
            c.loading = !1,
            c.isLockUp = !1,
            c.isLockDown = !1,
            c.isData = !0,
            c._scrollTop = 0,
            c._threshold = 0,
            c.init(b)
        }
        ,
        f.prototype.init = function(f) {
            var l = this;
            l.opts = a.extend(!0, {}, {
                scrollArea: l.$element,
                domUp: {
                    domClass: "dropload-up",
                    domRefresh: '<div class="dropload-refresh">↓下拉刷新</div>',
                    domUpdate: '<div class="dropload-update">↑释放更新</div>',
                    domLoad: '<div class="dropload-load"><span class="loading"></span>加载中...</div>'
                },
                domDown: {
                    domClass: "dropload-down",
                    domRefresh: '<div class="dropload-refresh">↑上拉加载更多</div>',
                    domLoad: '<div class="dropload-load"><span class="loading"></span>加载中...</div>',
                    domNoData: '<div class="dropload-noData">暂无数据</div>'
                },
                autoLoad: !0,
                distance: 50,
                threshold: "",
                loadUpFn: "",
                loadDownFn: ""
            }, f),
            "" != l.opts.loadDownFn && (l.$element.append('<div class="' + l.opts.domDown.domClass + '">' + l.opts.domDown.domRefresh + "</div>"),
            l.$domDown = a("." + l.opts.domDown.domClass)),
            l._threshold = l.$domDown && "" === l.opts.threshold ? Math.floor(1 * l.$domDown.height() / 3) : l.opts.threshold,
            l.opts.scrollArea == b ? (l.$scrollArea = d,
            l._scrollContentHeight = e.height(),
            l._scrollWindowHeight = c.documentElement.clientHeight) : (l.$scrollArea = l.opts.scrollArea,
            l._scrollContentHeight = l.$element[0].scrollHeight,
            l._scrollWindowHeight = l.$element.height()),
            k(l),
            d.on("resize", function() {
                l._scrollWindowHeight = l.opts.scrollArea == b ? b.innerHeight : l.$element.height()
            }),
            l.$element.on("touchstart", function(a) {
                l.loading || (g(a),
                h(a, l))
            }),
            l.$element.on("touchmove", function(a) {
                l.loading || (g(a, l),
                i(a, l))
            }),
            l.$element.on("touchend", function() {
                l.loading || j(l)
            }),
            l.$scrollArea.on("scroll", function() {
                l._scrollTop = l.$scrollArea.scrollTop(),
                "" != l.opts.loadDownFn && !l.loading && !l.isLockDown && l._scrollContentHeight - l._threshold <= l._scrollWindowHeight + l._scrollTop && m(l)
            })
        }
        ,
        f.prototype.lock = function(a) {
            var b = this;
            void 0 === a ? "up" == b.direction ? b.isLockDown = !0 : "down" == b.direction ? b.isLockUp = !0 : (b.isLockUp = !0,
            b.isLockDown = !0) : "up" == a ? b.isLockUp = !0 : "down" == a && (b.isLockDown = !0,
            b.direction = "up")
        }
        ,
        f.prototype.unlock = function() {
            var a = this;
            a.isLockUp = !1,
            a.isLockDown = !1,
            a.direction = "up"
        }
        ,
        f.prototype.noData = function(a) {
            var b = this;
            void 0 === a || 1 == a ? b.isData = !1 : 0 == a && (b.isData = !0)
        }
        ,
        f.prototype.resetload = function() {
            var b = this;
            "down" == b.direction && b.upInsertDOM ? b.$domUp.css({
                height: "0"
            }).on("webkitTransitionEnd mozTransitionEnd transitionend", function() {
                b.loading = !1,
                b.upInsertDOM = !1,
                a(this).remove(),
                l(b)
            }) : "up" == b.direction && (b.loading = !1,
            b.isData ? (b.$domDown.html(b.opts.domDown.domRefresh),
            l(b),
            k(b)) : b.$domDown.html(b.opts.domDown.domNoData))
        }
    }(window.Zepto || window.jQuery);
    View Code
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  • 原文地址:https://www.cnblogs.com/liubingyjui/p/12017339.html
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