Reactjs实现通用分页组件的实例代码

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>
 )
 }
}

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
}