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:
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
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 (
)
}
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 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) =>
)
return (
)
}
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 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 ? : ""
:
)
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 (
)
}
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 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 (
)
}
}
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* 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">附上Paging这个分页数据对象的结构paging.go服务端的Data Struct:
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 }以上所述是小编给大家介绍的Reactjs实现通用分页组件的实例代码。编程之家 jb51.cc 收集整理的教程希望能对你有所帮助,如果觉得编程之家不错,可分享给好友!感谢支持。
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