react 分页方法

/*分页方法  开始*/
_pageShow=(page)=>{//分页ajax方法
  this.setState({load:true});
  axios.post(listShow,{
    client_id: 3,
    device_open_id: 'html',
    access_token: localStorage.getItem("access_token"),
    page: page,
  }).then(({data: DATA}) => {
    const {data: {data: AllOrder}} = DATA;
    this.setState({AllOrder, load: false});
  }).catch(function(error){
    console.log(error);
  });
}
_home= (e,props) =>{//返回首页
  const ids = e.target.name;
  this.setState({pageNow:1});
  this._pageShow(ids);
}
_last= props =>{//末页
  let num = this.state.pageAll;

if(num){
  return false;
}

  this.setState({pageNow:num});
  this._pageShow(num);
}
_prev=props =>{//上一页
  const num = this.state.pageAll;
  if(this.state.pageNow !== 1 ) {
    let nums =--this.state.pageNow;
    this.setState({pageNow:nums});
  }else{
    alert("已经是第首页");
    return false;
  }
  this._pageShow(this.state.pageNow);
}
_next= (e,props)=>{//下一页
  const num = this.state.pageAll;
  if(this.state.pageNow!==num){
    let nums =++this.state.pageNow;
    this.setState({pageNow:nums});
  }else{
    alert("已经是最后一页");
    return false;
  }
  this._pageShow(this.state.pageNow);
}
_numPage=(e,props)=>{//点击数字跳转相对页面

const target = e.target;
if(target.id===1){
  return false;
}
this.setState({pageNow: target.id});
this._pageShow(target.id);

}
/*分页方法 END*/