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Reactjs如何实现通用分页组件

这篇文章给大家分享的是有关Reactjs如何实现通用分页组件的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。

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大家多少都自己写过各种版本的分页工具条吧，像纯服务版的，纯jsWeb板的，Angular版的，因为这个基础得不能再基础的功能太多地方都会用到，下面我给出以个用ReactJS实现的版本，首先上图看下效果：

Reactjs如何实现通用分页组件

注意这个组件需要ES6环境，最好使用NodeJS结合Webpack来打包：webpack --display-error-details --config webpack.config.js

此React版分页组件请亲们结合redux来使用比较方便，UI = Fn(State)

基本流程就是：用户交互->Action->Reduce->Store->UIRender

了解以上基础知识却非常必要，但不是我此次要说的重点，以上相关知识请各位自行补脑，废话就不多说，直接上代码。

filename: paging-bar.js

 import React, { Component } from 'react'
import Immutable from 'immutable'
import _ from 'lodash'
/* ================================================================================
 * React GrxPagingBar 通用分页组件
 * author: 天真的好蓝啊
 * ================================================================================ */
class GrxPagingBar extends Component {
 render() {
  var pagingOptions = {
   showNumber: 5,
   firstText: "<<",
   firstTitle: "第一页",
   prevText: "<",
   prevTitle: "上一页",
   beforeTitle: "前",
   afterTitle: "后",
   pagingTitle: "页",
   nextText: ">",
   nextTitle: "下一页",
   lastText: ">>",
   lastTitle: "最后一页",
   classNames: "grx-pagingbar pull-right",
  }
  $.extend(pagingOptions, this.props.pagingOptions)
  return (

{html} ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 分页条前后页组件 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ class GrxPagingBeforeAfter extends Component { render() { var ids = [] let isBefore = this.props.isBefore == "true" ? true : false let paging = this.props.items.get('Paging') let pagingCount = paging.get('PagingCount') let current = paging.get('PagingIndex') let pagingIndex = isBefore ? current - this.props.showNumber : current + this.props.showNumber let title = (isBefore ? this.props.beforeTitle : this.props.afterTitle) + (this.props.showNumber + 1) + this.props.pagingTitle if(isBefore && current > this.props.showNumber + 1){ ids.push(1) }else if(!isBefore && current < pagingCount - this.props.showNumber){ ids.push(1) } var html = ids.map( (v,i) => .. ) return ( {html} ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 分页条页码列表组件 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ class GrxPagingList extends Component { render(){ let paging = this.props.items.get('Paging') let count = paging.get('PagingCount') let current = paging.get('PagingIndex') let start = current - this.props.showNumber let end = current + this.props.showNumber var pageIndexs = new Array(); for(var i = start; i < end; i ++) { if( i == current){ pageIndexs.push(i) }else if(i > 0 & i <= count) { pageIndexs.push(i) } } var pagingList = pageIndexs.map( (v,i) => current == v ? count > 1 ? {v} : "" : ) return( {pagingList} ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 分页条尾部组件 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ class GrxPagingLast extends Component { render() { var ids = [] let paging = this.props.items.get('Paging') let pagingCount = paging.get('PagingCount') let current = paging.get('PagingIndex') let pagingIndex = current + 1 if(paging.get('PagingIndex') < paging.get('PagingCount')){ ids.push(1) } let html = ids.map( (v,i) => ) return ( {html} ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 分页页码组件 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ class GrxPagingNumber extends Component { render(){ let pagingIndex = this.props.pagingIndex let title = "第"+ pagingIndex + this.props.pagingTitle let text = pagingIndex if(this.props.title){ title = this.props.title } if(this.props.text){ text = this.props.text } return( {text} ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 分页条信息组件 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ class GrxPagingInfo extends Component { render() { let paging = this.props.items.get('Paging') let pagingIndex = paging.get('PagingIndex') let pagingCount = paging.get('PagingCount') let totalRecord = paging.get('TotalRecord') return ( 第{pagingIndex}/{pagingCount}页,共{totalRecord}条数据 ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 从此模块导出分页条组件 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ export default GrxPagingBar 使用方法： import React, { Component } from 'react' import _ from 'lodash' import classNames from 'classnames' import PagingBar from '.paging-bar' /* ================================================================================ * React PagingBar使用范例组件 * ================================================================================ */ class PagingBarExample extends Component { render() { let pagingOptions = { showNumber: 3 } return ( ) } }

附上Paging这个分页数据对象的结构paging.go服务端的Data Struct：

package commons
import (
 "math"
)
type (
 Paging struct {
  PagingIndex int64
  PagingSize int64
  TotalRecord int64
  PagingCount int64
  Sortorder string
 }
)
func (paging *Paging) SetTotalRecord(totalRecord int64) {
 //paging.PagingIndex = 1
 paging.PagingCount = 0
 if totalRecord > 0 {
  paging.TotalRecord = totalRecord
  paging.PagingCount = int64(math.Ceil(float64(paging.TotalRecord) / float64(paging.PagingSize)))
 }
}
func (paging *Paging) Offset() int64 {
 if paging.PagingIndex <= 1 || paging.PagingSize == 0 {
  return 0
 }
 offset := (paging.PagingIndex * paging.PagingSize) - paging.PagingSize + 1
 return offset
}
func (paging *Paging) EndIndex() int64 {
 if paging.PagingIndex <= 1 {
  return paging.PagingSize
 }
 offset := paging.PagingIndex * paging.PagingSize
 return offset
}

感谢各位的阅读！关于“Reactjs如何实现通用分页组件”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！

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