需求:
产品类别页上拉刷新数据;
js文件:
const configurl = require('../../config.js');
const app = getApp()
Page({
/**
* 页面的初始数据
*/
data: {
lists:[],
pid:0,
page:0,
is_get:true,//是否发送请求
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function (options) {
options.pid = options.pid>0?options.pid:0;
var that = this;
that.setData({
pid:options.pid
})
//产品列表
if (this.data.is_get) {
this.ajaxlist();
}
},
/**
* 页面上拉触底事件的处理函数
*/
onReachBottom: function () {
if (this.data.is_get) {
this.ajaxlist();
}
},
ajaxlist:function(){
var that = this;
var page = that.data.page;
var pid = that.data.pid;
wx.request({
url: configurl.getajaxlist,
method: "GET",
data: {
page: page,
pid: pid,
},
// 请求头部
header: {
'content-type': 'application/text'
},
success: function (res) {
page = res.data.length > 5 ? page + 1 : page;
var is_get = that.data.page == page ? false : true;
var lists = that.data.lists.concat(res.data);
that.setData({
lists: lists,
page: page,
is_get:is_get
})
}
})
}
})
php:
public function ajaxlists(){
$pid = I("get.pid");
$page = I("get.page",1,"intval");
$pagecount = 6;
$start = $page * $pagecount;
if($pid){
$w['pid'] = $pid;
}else{
$w['pid'] = array('gt',0);
}
$data = M('goods')->where($w)->field('`id`,`pid`,`title`,`img`')->order("`order` desc,`time` desc")->limit($start,$pagecount)->select();
$this->response($data);
}
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