SpringBoot+Vue豆宝社区前后端分离项目手把手实战系列教程14---帖子列表分页功能实现

豆宝社区项目实战教程简介

本项目实战教程配有免费视频教程，配套代码完全开源。手把手从零开始搭建一个目前应用最广泛的Springboot+Vue前后端分离多用户社区项目。本项目难度适中，为便于大家学习，每一集视频教程对应在Github上的每一次提交。

项目首页截图

代码开源地址

前端 后端

视频教程地址

视频教程

前端技术栈

Vue Vuex Vue Router Axios Bulma Buefy Element Vditor DarkReader

后端技术栈

Spring Boot Mysql Mybatis MyBatis-Plus Spring Security JWT Lombok

分页前端

1.src\components创建Pagination\index.vue

<template>
  <div :class="{ hidden: hidden }" class="pagination-container">
    <el-pagination
      :background="background"
      :current-page.sync="currentPage"
      :page-size.sync="pageSize"
      :layout="layout"
      :page-sizes="pageSizes"
      :total="total"
      v-bind="$attrs"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />
  </div>
</template>

<script>
import {scrollTo} from "@/utils/scroll-to";
export default {
  name: "Pagination",
  props: {
    total: {
      required: true,
      type: Number,
    },
    page: {
      type: Number,
      default: 1,
    },
    limit: {
      type: Number,
      default: 10,
    },
    pageSizes: {
      type: Array,
      default() {
        return [5, 10, 20, 30, 50];
      },
    },
    layout: {
      type: String,
      default: "total, sizes, prev, pager, next, jumper",
      // default: 'sizes, prev, pager, next, jumper'
    },
    background: {
      type: Boolean,
      default: true,
    },
    autoScroll: {
      type: Boolean,
      default: true,
    },
    hidden: {
      type: Boolean,
      default: false,
    },
  },
  computed: {
    currentPage: {
      get() {
        return this.page;
      },
      set(val) {
        this.$emit("update:page", val);
      },
    },
    pageSize: {
      get() {
        return this.limit;
      },
      set(val) {
        this.$emit("update:limit", val);
      },
    },
  },
  methods: {
    handleSizeChange(val) {
      this.$emit("pagination", { page: this.currentPage, limit: val });
      if (this.autoScroll) {
        scrollTo(0, 800);
      }
    },
    handleCurrentChange(val) {
      this.$emit("pagination", { page: val, limit: this.pageSize });
      if (this.autoScroll) {
        scrollTo(0, 800);
      }
    },
  },
};
</script>

<style scoped>
.pagination-container {
  /* background: #fff; */
  padding: 5px 0px;
}
.pagination-container.hidden {
  display: none;
}
</style>

2.src\utils创建scroll-to.js

Math.easeInOutQuad = function(t, b, c, d) {
    t /= d / 2
    if (t < 1) {
      return c / 2 * t * t + b
    }
    t--
    return -c / 2 * (t * (t - 2) - 1) + b
  }
  
  // requestAnimationFrame for Smart Animating http://goo.gl/sx5sts
  var requestAnimFrame = (function() {
    return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(callback) { window.setTimeout(callback, 1000 / 60) }
  })()
  
  /**
   * Because it's so fucking difficult to detect the scrolling element, just move them all
   * @param {number} amount
   */
  function move(amount) {
    document.documentElement.scrollTop = amount
    document.body.parentNode.scrollTop = amount
    document.body.scrollTop = amount
  }
  
  function position() {
    return document.documentElement.scrollTop || document.body.parentNode.scrollTop || document.body.scrollTop
  }
  
  /**
   * @param {number} to
   * @param {number} duration
   * @param {Function} callback
   */
  export function scrollTo(to, duration, callback) {
    const start = position()
    const change = to - start
    const increment = 20
    let currentTime = 0
    duration = (typeof (duration) === 'undefined') ? 500 : duration
    var animateScroll = function() {
      // increment the time
      currentTime += increment
      // find the value with the quadratic in-out easing function
      var val = Math.easeInOutQuad(currentTime, start, change, duration)
      // move the document.body
      move(val)
      // do the animation unless its over
      if (currentTime < duration) {
        requestAnimFrame(animateScroll)
      } else {
        if (callback && typeof (callback) === 'function') {
          // the animation is done so lets callback
          callback()
        }
      }
    }
    animateScroll()
  }

3.修改src\views\post\index.vue

以下是index.vue的全部内容

<template>
  <div>
    <el-card shadow="never">
      <div slot="header" class="clearfix">
        <el-tabs v-model="activeName" @tab-click="handleClick">
          <el-tab-pane label="最新主题" name="latest">
            <article v-for="(item, index) in articleList" :key="index" class="media">
              <div class="media-left">
                <figure class="image is-48x48">
                  <img :src="`https://cn.gravatar.com/avatar/${item.userId}?s=164&d=monsterid`" style="border-radius: 5px;">
                </figure>
              </div>
              <div class="media-content">
                <div class="">
                  <p class="ellipsis is-ellipsis-1">
                    <el-tooltip class="item" effect="dark" :content="item.title" placement="top">
                      <router-link :to="{name:'post-detail',params:{id:item.id}}">
                        <span class="is-size-6">{{ item.title }}</span>
                      </router-link>
                    </el-tooltip>
                  </p>
                </div>
                <nav class="level has-text-grey is-mobile  is-size-7 mt-2">
                  <div class="level-left">
                    <div class="level-left">
                      <router-link class="level-item" :to="{ path: `/member/${item.username}/home` }">
                        {{ item.alias }}
                      </router-link>

                      <span class="mr-1">
                        发布于:{{ dayjs(item.createTime).format("YYYY/MM/DD") }}
                      </span>

                      <span
                        v-for="(tag, index) in item.tags"
                        :key="index"
                        class="tag is-hidden-mobile is-success is-light mr-1"
                      >
                        <router-link :to="{ name: 'tag', params: { name: tag.name } }">
                          {{ "#" + tag.name }}
                        </router-link>
                      </span>

                      <span class="is-hidden-mobile">浏览:{{ item.view }}</span>
                    </div>
                  </div>
                </nav>
              </div>
              <div class="media-right" />
            </article>
          </el-tab-pane>
          <el-tab-pane label="热门主题" name="hot">
            <article v-for="(item, index) in articleList" :key="index" class="media">
              <div class="media-left">
                <figure class="image is-48x48">
                  <img :src="`https://cn.gravatar.com/avatar/${item.userId}?s=164&d=monsterid`" style="border-radius: 5px;">
                </figure>
              </div>
              <div class="media-content">
                <div class="">
                  <p class="ellipsis is-ellipsis-1">
                    <el-tooltip class="item" effect="dark" :content="item.title" placement="top">
                      <router-link :to="{name:'post-detail',params:{id:item.id}}">
                        <span class="is-size-6">{{ item.title }}</span>
                      </router-link>
                    </el-tooltip>
                  </p>
                </div>
                <nav class="level has-text-grey is-mobile  is-size-7 mt-2">
                  <div class="level-left">
                    <div class="level-left">
                      <router-link class="level-item" :to="{ path: `/member/${item.username}/home` }">
                        {{ item.alias }}
                      </router-link>

                      <span class="mr-1">
                        发布于:{{ dayjs(item.createTime).format("YYYY/MM/DD") }}
                      </span>

                      <span
                        v-for="(tag, index) in item.tags"
                        :key="index"
                        class="tag is-hidden-mobile is-success is-light mr-1"
                      >
                        <router-link :to="{ name: 'tag', params: { name: tag.name } }">
                          {{ "#" + tag.name }}
                        </router-link>
                      </span>

                      <span class="is-hidden-mobile">浏览:{{ item.view }}</span>
                    </div>
                  </div>
                </nav>
              </div>
              <div class="media-right" />
            </article>
          
          
          </el-tab-pane>
           <el-tab-pane label="最近修改" name="update">
            <article v-for="(item, index) in articleList" :key="index" class="media">
              <div class="media-left">
                <figure class="image is-48x48">
                  <img :src="`https://cn.gravatar.com/avatar/${item.userId}?s=164&d=monsterid`" style="border-radius: 5px;">
                </figure>
              </div>
              <div class="media-content">
                <div class="">
                  <p class="ellipsis is-ellipsis-1">
                    <el-tooltip class="item" effect="dark" :content="item.title" placement="top">
                      <router-link :to="{name:'post-detail',params:{id:item.id}}">
                        <span class="is-size-6">{{ item.title }}</span>
                      </router-link>
                    </el-tooltip>
                  </p>
                </div>
                <nav class="level has-text-grey is-mobile  is-size-7 mt-2">
                  <div class="level-left">
                    <div class="level-left">
                      <router-link class="level-item" :to="{ path: `/member/${item.username}/home` }">
                        {{ item.alias }}
                      </router-link>

                      <span class="mr-1">
                        发布于:{{ dayjs(item.createTime).format("YYYY/MM/DD") }}
                      </span>

                      <span
                        v-for="(tag, index) in item.tags"
                        :key="index"
                        class="tag is-hidden-mobile is-success is-light mr-1"
                      >
                        <router-link :to="{ name: 'tag', params: { name: tag.name } }">
                          {{ "#" + tag.name }}
                        </router-link>
                      </span>

                      <span class="is-hidden-mobile">浏览:{{ item.view }}</span>
                    </div>
                  </div>
                </nav>
              </div>
              <div class="media-right" />
            </article>
          
          
          </el-tab-pane>
        </el-tabs>
      </div>

      <!--分页-->
      <pagination
        v-show="page.total > 0"
        :total="page.total"
        :page.sync="page.current"
        :limit.sync="page.size"
        @pagination="init"
      />
    </el-card>
  </div>
</template>

<script>
import { getList } from '@/api/post'
import Pagination from '@/components/Pagination'
export default {
  name: 'TopicList',
  components: { Pagination },
  data() {
    return {
      activeName: 'latest',
      articleList: [],
      page: {
        current: 1,
        size: 10,
        total: 0,
        tab: 'latest'
      }
    }
  },
  created() {
    this.init(this.tab)
  },
  methods: {
    init(tab) {
      getList(this.page.current, this.page.size, tab).then((response) => {
        const { data } = response
        this.page.current = data.current
        this.page.total = data.total
        this.page.size = data.size
        this.articleList = data.records
      })
    },
    handleClick(tab) {
      this.init(tab.name)
    }
  }
}
</script>

<style scoped>
</style>

4.测试问题

测试页面还没分页，需要后端完成分页后显示

分页后端

MybatisPlusConfig

@Configuration
public class MybatisPlusConfig {

    /**
     * 新的分页插件,一缓和二缓遵循mybatis的规则,
     * 需要设置 MybatisConfiguration#useDeprecatedExecutor = false 避免缓存出现问题(该属性会在旧插件移除后一同移除)
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }

    @Bean
    public ConfigurationCustomizer configurationCustomizer() {
        return configuration -> configuration.setUseDeprecatedExecutor(false);
    }
}

测试页面