Reactjs實(shí)現(xiàn)通用分頁組件的實(shí)例代碼

更新時(shí)間：2017年01月19日 11:07:04 作者：天真的好藍(lán)啊

這篇文章主要介紹了Reactjs實(shí)現(xiàn)通用分頁組件的實(shí)例代碼，非常不錯(cuò)，具有參考借鑒價(jià)值，需要的朋友參考下吧

大家多少都自己寫過各種版本的分頁工具條吧，像純服務(wù)版的，純jsWeb板的，Angular版的，因?yàn)檫@個(gè)基礎(chǔ)得不能再基礎(chǔ)的功能太多地方都會(huì)用到，下面我給出以個(gè)用ReactJS實(shí)現(xiàn)的版本，首先上圖看下效果：

注意這個(gè)組件需要ES6環(huán)境，最好使用NodeJS結(jié)合Webpack來打包：webpack --display-error-details --config webpack.config.js

此React版分頁組件請(qǐng)親們結(jié)合redux來使用比較方便，UI = Fn(State)

基本流程就是：用戶交互->Action->Reduce->Store->UIRender

了解以上基礎(chǔ)知識(shí)卻非常必要，但不是我此次要說的重點(diǎn)，以上相關(guān)知識(shí)請(qǐng)各位自行補(bǔ)腦，廢話就不多說，直接上代碼。

filename: paging-bar.js

 import React, { Component } from 'react'
import Immutable from 'immutable'
import _ from 'lodash'
/* ================================================================================
 * React GrxPagingBar 通用分頁組件
 * author: 天真的好藍(lán)啊
 * ================================================================================ */
class GrxPagingBar extends Component {
 render() {
  var pagingOptions = {
   showNumber: 5,
   firstText: "<<",
   firstTitle: "第一頁",
   prevText: "<",
   prevTitle: "上一頁",
   beforeTitle: "前",
   afterTitle: "后",
   pagingTitle: "頁",
   nextText: ">",
   nextTitle: "下一頁",
   lastText: ">>",
   lastTitle: "最后一頁",
   classNames: "grx-pagingbar pull-right",
  }
  $.extend(pagingOptions, this.props.pagingOptions)
  return (
   <div className={pagingOptions.classNames} >
    <GrxPagingFirst {...pagingOptions} {...this.props} />
    <GrxPagingBeforeAfter isBefore="true" {...pagingOptions} {...this.props} />
    <GrxPagingList {...pagingOptions} {...this.props} />
    <GrxPagingBeforeAfter isBefore="false" {...pagingOptions} {...this.props} />
    <GrxPagingLast {...pagingOptions} {...this.props} />
    <GrxPagingInfo {...this.props} />
   </div>
  )
 }
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 * 分頁條頭組件
 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
class GrxPagingFirst extends Component {
 render() {
  var ids = []
  let paging = this.props.items.get('Paging')
  let current = paging.get('PagingIndex')
  let pagingIndex = current - 1
  if(paging.get('PagingIndex') != 1){
   ids.push(1)
  }
  let html = ids.map(
   (v,i) => 
   <span>
    <GrxPagingNumber title={this.props.firstTitle} text={this.props.firstText} pagingIndex={1} {...this.props}/>
    <GrxPagingNumber title={this.props.prevTitle} text={this.props.prevText} pagingIndex={pagingIndex} {...this.props}/>
   </span>
  )
  return (
   <span className="grx-pagingbar-fl">
    {html}
   </span>
  )
 }
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 * 分頁條前后頁組件
 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
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) => <a href="###" onClick={this.props.actions.pagingAction.bind(this, pagingIndex)} title={title}>..</a>
  )
  return (
   <span>
    {html}
   </span>
  )
 }
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 * 分頁條頁碼列表組件
 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
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 ? <span className="grx-pagingbar-current">{v}</span> : ""
   : 
   <GrxPagingNumber pagingIndex={v} {...this.props} />
  )
  return(
   <span>
    {pagingList}
   </span>
  )
 }
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 * 分頁條尾部組件
 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
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) => 
   <span>
    <GrxPagingNumber title={this.props.nextTitle} text={this.props.nextText} pagingIndex={pagingIndex} {...this.props}/>
    <GrxPagingNumber title={this.props.lastTitle} text={this.props.lastText} pagingIndex={pagingCount} {...this.props} />
   </span>
  )
  return (
   <span className="grx-pagingbar-fl">
    {html}
   </span>
  )
 }
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 * 分頁頁碼組件
 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
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(
   <a href="###" onClick={this.props.actions.pagingAction.bind(this, pagingIndex)} title={title}> {text} </a>
  )
 }
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 * 分頁條信息組件
 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
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 (
   <span className="grx-pagingbar-info">第{pagingIndex}/{pagingCount}頁,共{totalRecord}條數(shù)據(jù)</span>
  )
 }
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 * 從此模塊導(dǎo)出分頁條組件
 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
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使用范例組件
 * ================================================================================ */
class PagingBarExample extends Component {
 render() {
  let pagingOptions = {
   showNumber: 3
  }
  return (
   <table className="table table-condensed">
    <tbody>
     <tr>
      <td>
       <PagingBar pagingOptions={pagingOptions} {...this.props} />
      </td>
     </tr>
    </tbody>
   </table>
  )
 }
}

附上Paging這個(gè)分頁數(shù)據(jù)對(duì)象的結(jié)構(gòu)paging.go服務(wù)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
}

以上所述是小編給大家介紹的Reactjs實(shí)現(xiàn)通用分頁組件的實(shí)例代碼，希望對(duì)大家有所幫助，如果大家有任何疑問請(qǐng)給我留言，小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)腳本之家網(wǎng)站的支持！

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