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django与vue.js实现分页。

时间:2020-04-06 20:33:02      阅读:87      评论:0      收藏:0      [点我收藏+]

标签:first   submit   bind   imp   bar   20px   tran   hover   cursor   

实现页面样式:

技术图片

 

 

 前端代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
    <link href="../static/css/bootstrap.css" rel="stylesheet">
    <script src="../static/js/vue.min.js"></script>
    <script src="../static/js/axios.min.js"></script>
    <!--[if lt IE 9]>
        <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
        <script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
        <![endif]-->

    <style>
        *{font-family:‘微软雅黑‘;font-size:12px;color:#626262;}
        .input_submittt{width:80px;height:40px;color: #eaeaea;margin-left:10px;font-size:20px;border:0px;font-family:‘Microsoft Yahei‘;cursor:pointer;}
        input{
            border-radius:4px;
            border: 1px solid #626262;
        }
        textarea{
            border-radius:4px;
            border: 1px solid #626262;
        }
        select{
            border-radius:4px;
            border: 1px solid #626262;
        }
    .table{
            margin-bottom:0px!important;
        }
        .input_css{
            height: 30px;
            padding: 2px 4px;
            margin-top: 20px;
            width: 600px;
        }
        span{
            display: inline-block;
            font-size: 16px;
            color: #27272f;
            width: 146px;
        }
        .input_css_h input{
            width: 120px;
            height: 35px;
        }
        .input_css_w input{
            width: 120px;
            height: 35px;
        }
        .input_css_h select{
            width: 120px;
            height: 35px;
        }
        .input_css_w select{
            width: 120px;
            height: 35px;
        }
        .input_css input{
            width: 80px;
            height: 35px;
        }
        th{
            text-align:center;
            line-height: 1.5;
        }
        .col-lg-2 {
            width: 11.666667%;
        }
        .col-lg-4 {
            width: 25.333333%;
        }

        .info_css{
            width: 100px;
            display:block;
            {#height: 30px!important;#}
            word-break:keep-all;
            white-space:nowrap;
            overflow:hidden;
            text-overflow:ellipsis;
            z-index: 111
        }
        .input_css_ti{
            height: 30px;
            padding: 2px 4px;

            width: 190px;
            float: left;
        }

        .input_css_ti input{
            width: 80px;
            height: 35px;
        }
        .container{
            margin-right: 20px;
        }
        #xianchang td{
            border: 1px solid transparent;
        }
        #xianchang select{
            width: 120px;
            height: 35px;
        }
        #xianchang input{
            width: 80px;
            height: 35px;
        }
        [v-cloak]{
            display: none !important;
        }
        .page-bar{
            margin-left:35%;
        }
        ul,li{
            margin: 0px;
            padding: 0px;
        }
        li{
            list-style: none
        }
        .page-bar li:first-child>a {
           margin-left: 0px
        }
        .page-bar a{
            border: 1px solid #ddd;
            text-decoration: none;
            position: relative;
            float: left;
            padding: 6px 12px;
            margin-left: -1px;
            line-height: 1.42857143;
            color: #337ab7;
            cursor: pointer
        }
        .page-bar a:hover{
            background-color: #eee;
        }
        .page-bar a.banclick{
            cursor:not-allowed;
        }
        .page-bar .active a{
            color: #fff;
            cursor: default;
            background-color: #337ab7;
            border-color: #337ab7;
        }
        .page-bar i{
            font-style:normal;
            color: #d44950;
            margin: 0px 4px;
            font-size: 12px;
        }
    </style>
</head>
<body>
    <div class="container">
        <div  id="assetdata">
            <div class="row" style="margin:5px 20px 20px 10px">
                <div>
                    <div style="height: auto;margin-top: 20px;text-align: center">

                        <select class="select_data_first" id="info_select" name="user_org" v-model="type_search" style="width: 70px;height: 40px;font-size: 14px;border-radius:4px;border:1px solid #c9c9c9;">
                            <option style="color: #adadad!important;" value="normal" selected>正常</option>
                            <option style="color: #adadad!important;" value="volume">成交量</option>
                        </select>

                        <input type="text" class="form-control" style="width: 50%;display: inline;height: 40px;" id="demo" v-model="search_key">
                        <button style="margin-top: 4px;margin-bottom:10px;text-align: center;" @click="btn_search()" class="btn-info btn input_submittt">搜索</button>
                    </div>
                </div>
                <div style="border: 1px solid #DDDDDD;padding: 20px 10px;margin-top: 50px;overflow-x: scroll;">
                    <table class=‘table table-bordered table-hover table-responsive‘ style="width: 100%">
                        <thead style="background-color: #eeeeee">
                            <tr style="height: 30px;">

                                <th nowrap="nowrap">发布时间</th>
                                <th nowrap="nowrap">发布人</th>
                                <th nowrap="nowrap" style="width: 50%">内容</th>
                                <th nowrap="nowrap">价格</th>
                                <th nowrap="nowrap">类别</th>
                                <th>成交量</th>
                                <th>爬取时间</th>
                            </tr>
                        </thead>
                        <tbody id="tbody_tr" v-cloak>
                            <tr v-for="result in sites">
                                <td>
                                    [[ result[‘post_time‘] ]]
                                </td>
                                <td>
                                    [[ result[‘username‘] ]]
                                </td>
                                <td nowrap="nowrap">
                                    <span style="font-weight: bold;font-size:18px;" v-if="result[‘filter‘]==1">
                                        <a href="{% url ‘index:spider_detail_html‘ %}" @click="look_info" v-bind:id="result[‘md5‘]" style="color: red" target="_blank">[[ result[‘title‘] ]]</a>
                                    </span>
                                    <span style="font-weight: bold;font-size:18px;" v-else-if="result[‘updata‘]==1">
                                        <a href="{% url ‘index:spider_detail_html‘ %}" @click="look_info" v-bind:id="result[‘md5‘]" style="color: #ffc905" target="_blank">[[ result[‘title‘] ]]</a>
                                    </span>
                                    <span style="font-weight: bold;font-size:18px;" v-else>
                                        <a href="{% url ‘index:spider_detail_html‘ %}" @click="look_info" v-bind:id="result[‘md5‘]" target="_blank">[[ result[‘title‘] ]]</a>
                                    </span>
                                </td>
                                <td>
                                    [[ result[‘price‘] ]]
                                </td>
                                <td>
                                    [[ result[‘type‘] ]]
                                </td>
                                <td>
                                    [[ result[‘dealnumber‘] ]]
                                </td>
                                <td>
                                    [[ result[‘download_time‘] ]]
                                </td>
                            </tr>
                        </tbody>
                    </table>
                </div>
            </div>
            <div class="page-bar" v-show="panduan">
                <ul>
                    <li v-if="cur>1"><a @click="cur--,pageClick()">上一页</a></li>
                    <li v-if="cur==1"><a class="banclick">上一页</a></li>
                    <li v-for="index in indexs"  v-bind:class="{ ‘active‘: cur == index}">
                        <a @click="btnClick(index)">[[ index ]]</a>
                    </li>
                    <li v-if="cur!=all"><a @click="cur++,pageClick()">下一页</a></li>
                    <li v-if="cur == all"><a class="banclick">下一页</a></li>
                    <li><a><i>[[ all ]]</i></a></li>
                </ul>
            </div>
        </div>
    </div>
<script>
    var vm = new Vue({
        el: #assetdata,
        delimiters: [[[, ]]],
        data: {
            sites: ‘‘,//首次加载数据
            search_key:‘‘,//搜索关键词
            type_search:‘‘,//下拉框选择内容
            all: ‘‘, //总页数
            cur: 1,//当前页码
            panduan:‘‘

        },
        mounted(){
             this.send()
        },
        watch: {
            cur: function(oldValue , newValue){
                console.log(arguments);
            }
        },
        methods:{
            send(){
                axios.get("{% url ‘index:首次展示内容api‘ %}")
                .then((response)=> {
                    this.sites=response.data;
                })
             },
            look_info(){
                var id=event.target.id;
                console.log("爬虫内容id",id);
                sessionStorage.spider_id=id;
                console.log("see:",sessionStorage.spider_id);
            },
            btn_search() {
                this.panduan=this.type_search+this.search_key;
                console.log("选择的类型为:",this.type_search);
                axios.post("{% url ‘index:搜索api‘ %}",{"search_key":this.search_key,"type_search":this.type_search,"page":this.cur})
                .then((response)=> {
                    if(response.data[message]){
                            alert(response.data[message]);
                            location.reload();//刷新
                        }else {
                            var counts = response.data.pop();
                            this.sites=response.data;
                            this.all=counts;
                        }
                })
            },

            //分页功能:
            btnClick: function(data){//页码点击事件
                if(data != this.cur){
                    console.log("当前页:",data);
                    this.cur = data;
                    this.pageClick();
                }
            },
            pageClick: function(){
                console.log(现在在+this.cur+);
                axios.post("{% url ‘index:搜索api‘ %}",{"search_key":this.search_key,"type_search":this.type_search,"page":this.cur})
                .then((response)=> {
                    if(response.data[message]){
                            alert(response.data[message]);
                            location.reload();//刷新
                        }else {

                            var counts = response.data.pop();
                            this.sites=response.data;
                            this.all=counts;
                        }
                })
            },

        },
        //分页
        computed: {
            indexs: function(){
              var left = 1;
              var right = this.all;
              var ar = [];
              if(this.all>= 5){
                if(this.cur > 3 && this.cur < this.all-2){
                        left = this.cur - 2
                        right = this.cur + 2
                }else{
                    if(this.cur<=3){
                        left = 1
                        right = 5
                    }else{
                        right = this.all
                        left = this.all -4
                    }
                }
             }
            while (left <= right){
                ar.push(left)
                left ++
            }
            return ar
           }

        }
    })
</script>

</body>
</html>

url:

url(r"^搜索api/$", a,name="搜索api"),
url(r"^首次展示内容api/$", b,name="首次展示内容api"),

views:

def a(request):
    search_key = eval(request.body)["search_key"]
    type_search = eval(request.body)["type_search"]
    page = eval(request.body)["page"]

    dict = {}
    dict1 = {}
    dict2 = {}
    list = []
    if type_search=="volume":
        type_dataall=DarkWeb.objects.filter(dealnumber__gt=0).order_by("-dealnumber")
        type_data_num = Paginator(type_dataall, page_si)
        print("type_data_num:",type_data_num)
        allnums = -(-type_dataall.count()//page_si)
        print("总页数:",allnums)
        type_data = type_data_num.page(page)
        datalist = []
        if type_data:
            for data in type_data:
                datadict = {
                    md5: data.md5,
                    title: data.title,
                    content: data.content,
                    price: data.price,
                    post_time: str(data.post_time),
                    download_time: str(data.download_time),
                    username: data.username,
                    "type": data.type,
                    dealnumber:data.dealnumber,
                    filter: data.filter,

                }
                datalist.append(datadict)
            datalist.append(allnums)
            return HttpResponse(json.dumps(datalist))
    else:
        if not search_key:
            return HttpResponse(json.dumps({"message": "未输入搜索关键词。"}))
        try:
            dict["title__icontains"] = search_key
            list.append(dict)
            dict1["content__icontains"] = search_key
            list.append(dict1)
            dict2["username__icontains"] = search_key
            list.append(dict2)
            datas = DarkWeb.objects.filter(Q(**list[0]) | Q(**list[1])| Q(**list[2])).all().order_by("-post_time")
            data_num = Paginator(datas, page_si)
            allnums = -(-datas.count() // page_si)
            data_every = data_num.page(page)
            datalist = []
            if data_every:
                for data in data_every:
                    datadict = {
                        md5: data.md5,
                        title: data.title,
                        content: data.content,
                        price: data.price,
                        post_time: str(data.post_time),
                        download_time: str(data.download_time),
                        username: data.username,
                        "type":data.type,
                        dealnumber: data.dealnumber,
                        filter:data.filter,
                    }
                    datalist.append(datadict)
                datalist.append(allnums)
                return HttpResponse(json.dumps(datalist))
            else:
                return HttpResponse(json.dumps({"message": "无搜索结果,请确认搜索词。"}))
        except:
            return HttpResponse(json.dumps({"message": "请按照搜索规范输入"}))
def b(requesst):
    data_one = DarkWeb.objects.values("post_time").distinct().order_by("-post_time")  # 类型去重
    if data_one:
        date_t=data_one[0]["post_time"]
        day_time=date_t.strftime(%Y-%m-%d)
    else:
        date_t = datetime.datetime.now()
        day_time = date_t.strftime(%Y-%m-%d)

    article_all = DarkWeb.objects.filter(post_time__gt=day_time)
    if article_all:
        article_list = []
        for data in article_all:
            dict = {
                md5: data.md5,
                title: data.title,
                price: data.price,
                post_time: str(data.post_time),
                download_time: str(data.download_time),
                username: data.username,
                type: data.type,
                dealnumber: data.dealnumber,
                filter: data.filter
            }
            article_list.append(dict)
        return HttpResponse(json.dumps(article_list))
    else:
        article_list = []
        dict = {
            md5: ‘‘,
            title: ‘‘,
            price: ‘‘,
            post_time: ‘‘,
            download_time: ‘‘,
            type: ‘‘,
            username: ‘‘,
            dealnumber: "",
            filter: ‘‘
        }
        article_list.append(dict)
        return HttpResponse(json.dumps(article_list))

由于是项目的部分代码,难免有些地方多余,只做个人记录。

django与vue.js实现分页。

标签:first   submit   bind   imp   bar   20px   tran   hover   cursor   

原文地址:https://www.cnblogs.com/qxh-beijing2016/p/12643889.html

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