zoukankan      html  css  js  c++  java
  • vue自定义分页组件---切图网

    vue2.5自定义分页组件 Pagination.vue,可设置每页显示条数,带跳转框直接跳转到相应页面,亲测有用。目前很多框架自带有分页组件比如elementUI,不过在面对一个拿到PSD稿,然后重新切图,重新VUE开发的项目来说,自定义分页组件才是应万变的最佳打开方式。

    html

    <template>
    <div class="pagination" v-if="totalPage>1">
    <span v-if="!small" class="total">共{{totalCount}}条记录<!-- 第{{currentPage}}/{{totalPage}}页--></span>
    <ul class="paging">
    <li class="prev" :class="{'disabled':currentPage<=1}" @click="currentPage<=1?'':turn(currentPage-1)"><i class="iconfont icon-chevron-left"></i></li>
    <li v-for="i in showPageBtn" class="num" :class="{'active':i==currentPage}" v-if="i>0" @click="turn(i)">{{i}}</li>
    <li v-else-if="i==='-'" class="num iconfont icon-more" :class="{'icon-d-arrow-left':toPrev}" @click="turn(currentPage-1)" @mouseenter="toPrev=true" @mouseleave="toPrev=false"></li>
    <li v-else-if="i==='+'" class="num iconfont icon-more" :class="{'icon-d-arrow-right':toNext}" @click="turn(currentPage+1)" @mouseenter="toNext=true" @mouseleave="toNext=false"></li>
    <li class="next" :class="{'disabled':currentPage>=totalPage}" @click="currentPage>=totalPage?'':turn(currentPage+1)"><i class="iconfont icon-chevron-right"></i></li>
    </ul>
    <select v-if="!small" v-model="limitNum" @change="turn(currentPage)">
    <option v-for="item in limitNums" :value="item">{{item}}条/页</option>
    </select>
    <span v-if="all" class="jump">前往<input type="number" autocomplete="off" min="1" :max="totalPage" v-model="goPage" @keyup.enter="turn(goPage)">页</span>
    </div>
    </template>

    js

    <script>
    export default {
    name:'MyPagination',
    props: {
    currentPage: {//当前页
    type: Number,
    default: 1,
    },
    limit:{//每页显示条数
    type: Number,
    default: 10,
    },
    totalCount:{//总条数
    type: Number,
    required: true
    },
    small:{
    type:Boolean,
    default: false,
    },
    all:{
    type:Boolean,
    default: false,
    }
    },
    data() {
    return {
    goPage:'',
    limitNum:'',
    limitNums:[5,10,15,20,25,30],
    toPrev:false,
    toNext:false,
    }
    },
    created: function () {
    this.initLimitNums();
    },
    computed: {
    totalPage(){
    return Math.ceil(this.totalCount / this.limit)
    },
    showPageBtn() {
    let pageNum = Number(this.totalPage),
    index = Number(this.currentPage),
    arr = [];
    if (pageNum <= 9) {
    for(let i = 1; i <= pageNum; i++) {
    arr.push(i)
    }
    return arr
    }
    if (index < 5) return [1,2,3,4,5,6,7,'+',pageNum]
    if (index >= pageNum -1) return [1,2,'-', pageNum -5,pageNum -4,pageNum -3, pageNum -2, pageNum -1, pageNum]
    if (index === pageNum -2) return [1,2,'-', pageNum -5,pageNum -4,pageNum-3, pageNum-2, pageNum-1, pageNum]
    return [1,'-', index-2,index-1, index, index + 1,index + 2, '+', pageNum]
    }
    },
    methods: {
    initLimitNums() {
    this.limitNum=this.limit;
    //if (this.limitNums.indexOf(this.limit) == -1) {
    if (!this.limitNums.includes(this.limit)) {
    this.limitNums.push(this.limit);
    this.limitNums.sort(function (a, b) {
    return a-b;
    });
    }
    },
    //翻页,显示条数变化
    turn(page) {
    let i = parseInt(Number(page));
    if(i<1){
    i=1;
    }else if(i>this.totalPage){
    i=this.totalPage;
    }
    if(this.limitNum!==this.limit&&this.limitNum!==''){//每页显示条数改变
    let pages=Math.ceil(this.totalCount / this.limitNum);
    if(page>pages){
    i=pages;
    }
    this.$emit('update:limit', this.limitNum);
    }
    this.$emit('update:currentPage', i);
    this.$emit('turn');
    }
    }
    }
    </script>
    
     
    

    <!–测试-分页–>

    <template>
    <div class="box">
    ...
    <my-pagination :currentPage.sync="currentPage"
    :limit.sync="limit"
    :totalCount="totalCount"
    @turn="getTableData"></my-pagination>
    </div>
    </template>
    

    JS

    <script>
    import MyPagination from './Pagination'
    export default {
    components: {
    MyPagination
    },
    data() {
    return {
    currentPage: 1,//当前页码
    limit: 10,//每页显示条数
    totalCount:0,//总页数
    }
    },
    created: function () {
    this.getTableData();
    },
    methods: {
    getTableData() {
    let params = this.$qs.stringify({
    'pageSize': this.limit,
    'pageNum': this.currentPage
    });
    this.$http.post('/api/...', params).then(res => {
    this.totalCount = res.data.totalCount;
    });
    }
    }
    }
    </script>
  • 相关阅读:
    每天进步一点点--&gt;函数fseek() 使用方法
    几种更新(Update语句)查询的方法
    hibernate批量删除和更新数据
    Android ViewPager使用具体解释
    Linux curses库使用
    安装numpy、nltk问题汇总
    android widget 开发实例 : 桌面便签程序的实现具体解释和源代码 (上)
    Eclipse中SVN的安装步骤(两种)和用法
    Intent用法
    Tomcat全攻略
  • 原文地址:https://www.cnblogs.com/pwindy/p/12290078.html
Copyright © 2011-2022 走看看