项目初始化

gaoluyang

5 天以前 92230c9a97dc9ce9df3313d11d26999c04bb6b26

 src/uni_modules/uni-pagination/components/uni-pagination/uni-pagination.vue

¶Ô±ÈÐÂÎļþ
@@ -0,0 +1,465 @@
<template>
   <view class="uni-pagination">
      <!-- #ifndef MP -->
      <picker v-if="showPageSize === true || showPageSize === 'true'" class="select-picker" mode="selector"
         :value="pageSizeIndex" :range="pageSizeRange" @change="pickerChange" @cancel="pickerClick"
         @click.native="pickerClick">
         <button type="default" size="mini" :plain="true">
            <text>{{pageSizeRange[pageSizeIndex]}} {{piecePerPage}}</text>
            <uni-icons class="select-picker-icon" type="arrowdown" size="12" color="#999"></uni-icons>
         </button>
      </picker>
      <!-- #endif -->
      <!-- #ifndef APP-NVUE -->
      <view class="uni-pagination__total is-phone-hide">共 {{ total }} æ¡</view>
      <!-- #endif -->
      <view class="uni-pagination__btn"
         :class="currentIndex === 1 ? 'uni-pagination--disabled' : 'uni-pagination--enabled'"
         :hover-class="currentIndex === 1 ? '' : 'uni-pagination--hover'" :hover-start-time="20"
         :hover-stay-time="70" @click="clickLeft">
         <template v-if="showIcon === true || showIcon === 'true'">
            <uni-icons color="#666" size="16" type="left" />
         </template>
         <template v-else>
            <text class="uni-pagination__child-btn">{{ prevPageText }}</text>
         </template>
      </view>
      <view class="uni-pagination__num uni-pagination__num-flex-none">
         <view class="uni-pagination__num-current">
            <text class="uni-pagination__num-current-text is-pc-hide current-index-text">{{ currentIndex }}</text>
            <text class="uni-pagination__num-current-text is-pc-hide">/{{ maxPage || 0 }}</text>
            <!-- #ifndef APP-NVUE -->
            <view v-for="(item, index) in paper" :key="index" :class="{ 'page--active': item === currentIndex }"
               class="uni-pagination__num-tag tag--active is-phone-hide" @click.top="selectPage(item, index)">
               <text>{{ item }}</text>
            </view>
            <!-- #endif -->

         </view>
      </view>
      <view class="uni-pagination__btn"
         :class="currentIndex >= maxPage ? 'uni-pagination--disabled' : 'uni-pagination--enabled'"
         :hover-class="currentIndex === maxPage ? '' : 'uni-pagination--hover'" :hover-start-time="20"
         :hover-stay-time="70" @click="clickRight">
         <template v-if="showIcon === true || showIcon === 'true'">
            <uni-icons color="#666" size="16" type="right" />
         </template>
         <template v-else>
            <text class="uni-pagination__child-btn">{{ nextPageText }}</text>
         </template>
      </view>
   </view>
</template>

<script>
   /**
    * Pagination åˆ†é¡µå™¨
    * @description åˆ†é¡µå™¨ç»„件，用于展示页码、请求数据等
    * @tutorial https://ext.dcloud.net.cn/plugin?id=32
    * @property {String} prevText å·¦ä¾§æŒ‰é’®æ–‡å­—
    * @property {String} nextText å³ä¾§æŒ‰é’®æ–‡å­—
    * @property {String} piecePerPageText æ¡/页文字
    * @property {Number} current å½“前页
    * @property {Number} total æ•°æ®æ€»é‡
    * @property {Number} pageSize æ¯é¡µæ•°æ®é‡
    * @property {Boolean} showIcon = [true|false] æ˜¯å¦ä»¥ icon å½¢å¼å±•ç¤ºæŒ‰é’®
    * @property {Boolean} showPageSize = [true|false] æ˜¯å¦å±•ç¤ºæ¯é¡µæ¡æ•°
    * @property {Array} pageSizeRange = [20, 50, 100, 500] æ¯é¡µæ¡æ•°é€‰æ¡†
    * @event {Function} change ç‚¹å‡»é¡µç æŒ‰é’®æ—¶è§¦å‘ ,e={type,current} current为当前页，type值为：next/prev，表示点击的是上一页还是下一个
    * * @event {Function} pageSizeChange å½“前每页条数改变时触发 ,e={pageSize} pageSize ä¸ºå½“前所选的每页条数
    */

   import {
      initVueI18n
   } from '@dcloudio/uni-i18n'
   import messages from './i18n/index.js'
   const {
      t
   } = initVueI18n(messages)
   export default {
      name: 'UniPagination',
      emits: ['update:modelValue', 'input', 'change', 'pageSizeChange'],
      props: {
         value: {
            type: [Number, String],
            default: 1
         },
         modelValue: {
            type: [Number, String],
            default: 1
         },
         prevText: {
            type: String,
         },
         nextText: {
            type: String,
         },
         piecePerPageText: {
            type: String
         },
         current: {
            type: [Number, String],
            default: 1
         },
         total: {
            // æ•°æ®æ€»é‡
            type: [Number, String],
            default: 0
         },
         pageSize: {
            // æ¯é¡µæ•°æ®é‡
            type: [Number, String],
            default: 10
         },
         showIcon: {
            // æ˜¯å¦ä»¥ icon å½¢å¼å±•ç¤ºæŒ‰é’®
            type: [Boolean, String],
            default: false
         },
         showPageSize: {
            // æ˜¯å¦ä»¥ icon å½¢å¼å±•ç¤ºæŒ‰é’®
            type: [Boolean, String],
            default: false
         },
         pagerCount: {
            type: Number,
            default: 7
         },
         pageSizeRange: {
            type: Array,
            default: () => [20, 50, 100, 500]
         }
      },
      data() {
         return {
            pageSizeIndex: 0,
            currentIndex: 1,
            paperData: [],
            pickerShow: false
         }
      },
      computed: {
         piecePerPage() {
            return this.piecePerPageText || t('uni-pagination.piecePerPage')
         },
         prevPageText() {
            return this.prevText || t('uni-pagination.prevText')
         },
         nextPageText() {
            return this.nextText || t('uni-pagination.nextText')
         },
         maxPage() {
            let maxPage = 1
            let total = Number(this.total)
            let pageSize = Number(this.pageSize)
            if (total && pageSize) {
               maxPage = Math.ceil(total / pageSize)
            }
            return maxPage
         },
         paper() {
            const num = this.currentIndex
            // TODO æœ€å¤§é¡µæ•°
            const pagerCount = this.pagerCount
            // const total = 181
            const total = this.total
            const pageSize = this.pageSize
            let totalArr = []
            let showPagerArr = []
            let pagerNum = Math.ceil(total / pageSize)
            for (let i = 0; i < pagerNum; i++) {
               totalArr.push(i + 1)
            }
            showPagerArr.push(1)
            const totalNum = totalArr[totalArr.length - (pagerCount + 1) / 2]
            totalArr.forEach((item, index) => {
               if ((pagerCount + 1) / 2 >= num) {
                  if (item < pagerCount + 1 && item > 1) {
                     showPagerArr.push(item)
                  }
               } else if (num + 2 <= totalNum) {
                  if (item > num - (pagerCount + 1) / 2 && item < num + (pagerCount + 1) / 2) {
                     showPagerArr.push(item)
                  }
               } else {
                  if ((item > num - (pagerCount + 1) / 2 || pagerNum - pagerCount < item) && item < totalArr[
                        totalArr.length - 1]) {
                     showPagerArr.push(item)
                  }
               }
            })
            if (pagerNum > pagerCount) {
               if ((pagerCount + 1) / 2 >= num) {
                  showPagerArr[showPagerArr.length - 1] = '...'
               } else if (num + 2 <= totalNum) {
                  showPagerArr[1] = '...'
                  showPagerArr[showPagerArr.length - 1] = '...'
               } else {
                  showPagerArr[1] = '...'
               }
               showPagerArr.push(totalArr[totalArr.length - 1])
            } else {
               if ((pagerCount + 1) / 2 >= num) {} else if (num + 2 <= totalNum) {} else {
                  showPagerArr.shift()
                  showPagerArr.push(totalArr[totalArr.length - 1])
               }
            }

            return showPagerArr
         }
      },
      watch: {
         current: {
            immediate: true,
            handler(val, old) {
               if (val < 1) {
                  this.currentIndex = 1
               } else {
                  this.currentIndex = val
               }
            }
         },
         value: {
            immediate: true,
            handler(val) {
               if (Number(this.current) !== 1) return
               if (val < 1) {
                  this.currentIndex = 1
               } else {
                  this.currentIndex = val
               }
            }
         },
         pageSizeIndex(val) {
            this.$emit('pageSizeChange', this.pageSizeRange[val])
         }
      },
      methods: {
         pickerChange(e) {
            this.pageSizeIndex = e.detail.value
            this.pickerClick()
         },
         pickerClick() {
            // #ifdef H5
            const body = document.querySelector('body')
            if (!body) return

            const className = 'uni-pagination-picker-show'
            this.pickerShow = !this.pickerShow

            if (this.pickerShow) {
               body.classList.add(className)
            } else {
               setTimeout(() => body.classList.remove(className), 300)
            }
            // #endif
         },
         // é€‰æ‹©æ ‡ç­¾
         selectPage(e, index) {
            if (parseInt(e)) {
               this.currentIndex = e
               this.change('current')
            } else {
               let pagerNum = Math.ceil(this.total / this.pageSize)
               // let pagerNum = Math.ceil(181 / this.pageSize)
               // ä¸Šä¸€é¡µ
               if (index <= 1) {
                  if (this.currentIndex - 5 > 1) {
                     this.currentIndex -= 5
                  } else {
                     this.currentIndex = 1
                  }
                  return
               }
               // ä¸‹ä¸€é¡µ
               if (index >= 6) {
                  if (this.currentIndex + 5 > pagerNum) {
                     this.currentIndex = pagerNum
                  } else {
                     this.currentIndex += 5
                  }
                  return
               }
            }
         },
         clickLeft() {
            if (Number(this.currentIndex) === 1) {
               return
            }
            this.currentIndex -= 1
            this.change('prev')
         },
         clickRight() {
            if (Number(this.currentIndex) >= this.maxPage) {
               return
            }
            this.currentIndex += 1
            this.change('next')
         },
         change(e) {
            this.$emit('input', this.currentIndex)
            this.$emit('update:modelValue', this.currentIndex)
            this.$emit('change', {
               type: e,
               current: this.currentIndex
            })
         }
      }
   }
</script>

<style lang="scss" scoped>
   $uni-primary: #2979ff !default;
   .uni-pagination {
      /* #ifndef APP-NVUE */
      display: flex;
      /* #endif */
      position: relative;
      overflow: hidden;
      flex-direction: row;
      justify-content: center;
      align-items: center;
   }

   .uni-pagination__total {
      font-size: 14px;
      color: #999;
      margin-right: 15px;
   }

   .uni-pagination__btn {
      /* #ifndef APP-NVUE */
      display: flex;
      cursor: pointer;
      /* #endif */
      padding: 0 8px;
      line-height: 30px;
      font-size: 12px;
      position: relative;
      background-color: #F0F0F0;
      flex-direction: row;
      justify-content: center;
      align-items: center;
      text-align: center;
      border-radius: 5px;
      // border-width: 1px;
      // border-style: solid;
      // border-color: $uni-border-color;
   }

   .uni-pagination__child-btn {
      /* #ifndef APP-NVUE */
      display: flex;
      /* #endif */
      font-size: 12px;
      position: relative;
      flex-direction: row;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: #666;
      font-size: 12px;
   }

   .uni-pagination__num {
      /* #ifndef APP-NVUE */
      display: flex;
      /* #endif */
      flex: 1;
      flex-direction: row;
      justify-content: center;
      align-items: center;
      height: 30px;
      line-height: 30px;
      font-size: 12px;
      color: #666;
      margin: 0 5px;
   }

   .uni-pagination__num-tag {
      /* #ifdef H5 */
      cursor: pointer;
      min-width: 30px;
      /* #endif */
      margin: 0 5px;
      height: 30px;
      text-align: center;
      line-height: 30px;
      // border: 1px red solid;
      color: #999;
      border-radius: 4px;
      // border-width: 1px;
      // border-style: solid;
      // border-color: $uni-border-color;
   }

   .uni-pagination__num-current {
      /* #ifndef APP-NVUE */
      display: flex;
      /* #endif */
      flex-direction: row;
   }

   .uni-pagination__num-current-text {
      font-size: 15px;
   }

   .current-index-text{
      color: $uni-primary;
   }

   .uni-pagination--enabled {
      color: #333333;
      opacity: 1;
   }

   .uni-pagination--disabled {
      opacity: 0.5;
      /* #ifdef H5 */
      cursor: default;
      /* #endif */
   }

   .uni-pagination--hover {
      color: rgba(0, 0, 0, 0.6);
      background-color: #eee;
   }

   .tag--active:hover {
      color: $uni-primary;
   }

   .page--active {
      color: #fff;
      background-color: $uni-primary;
   }

   .page--active:hover {
      color: #fff;
   }

   /* #ifndef APP-NVUE */
   .is-pc-hide {
      display: block;
   }

   .is-phone-hide {
      display: none;
   }

   @media screen and (min-width: 450px) {
      .is-pc-hide {
         display: none;
      }

      .is-phone-hide {
         display: block;
      }

      .uni-pagination__num-flex-none {
         flex: none;
      }
   }

   /* #endif */
</style>