Maison >interface Web >js tutoriel >Exemple de code pour implémenter des composants de pagination universelle avec Reactjs
Tout le monde a probablement écrit différentes versions de barres d'outils de pagination, telles que la version pure service, la version pure jsWeb board et la version Angular, car cette fonction extrêmement basique est utilisée dans de nombreux endroits, comme suit je vais vous donner une version implémenté avec ReactJS. Tout d'abord, jetez un œil à l'effet ci-dessus :
Notez que ce composant nécessite un environnement ES6. Il est préférable d'utiliser NodeJS combiné avec Webpack pour le packaging : webpack --display-error-details --config webpack.config.js
Cette version React du composant de pagination est plus pratique à utiliser avec redux UI = Fn(State)
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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 ( <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> ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 分页条头组件 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ 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) => <a href="###" onClick={this.props.actions.pagingAction.bind(this, pagingIndex)} title={title}>..</a> ) return ( <span> {html} </span> ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 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 ? <span className="grx-pagingbar-current">{v}</span> : "" : <GrxPagingNumber pagingIndex={v} {...this.props} /> ) return( <span> {pagingList} </span> ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 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) => <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( <a href="###" onClick={this.props.actions.pagingAction.bind(this, pagingIndex)} title={title}> {text} </a> ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 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 ( <span className="grx-pagingbar-info">第{pagingIndex}/{pagingCount}页,共{totalRecord}条数据</span> ) } } /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * 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 ( <table className="table table-condensed"> <tbody> <tr> <td> <PagingBar pagingOptions={pagingOptions} {...this.props} /> </td> </tr> </tbody> </table> ) } }Joignez la structure de l'objet de données de pagination Paging. La structure de données du serveur paging.go : Ce qui précède Voici l'exemple de code de Reactjs implémentant le composant de pagination universelle introduit par l'éditeur. J'espère qu'il vous sera utile. Si vous avez des questions, veuillez me laisser un message et l'éditeur vous répondra à temps. Je voudrais également vous remercier tous pour votre soutien au site Web PHP chinois !
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 }
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