How to implement lazy loading in uniapp

How to implement lazy loading in uniapp: You can use the life cycle function [onReachBottom()] to perform the loading operation when the page scrolls to the bottom. The code is [onReachBottom: function()].

The operating environment of this tutorial: windows7 system, uni-app2.5.1 version, thinkpad t480 computer.

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Uniapp’s method of implementing lazy loading:

In uni-app, when we need to lazy load the requested data, we can use the onReachBottom() life cycle function to scroll the page to the bottom. when, perform the loading operation.

The p here is the page number parameter, each time it is loaded, per 1.

onLoad() {
// ajax请求
this.ajaxCode(this.per)
},
onReachBottom: function() {
// 下拉懒加载
++this.per;
uni.request({
url: 'https://www.zrzj.com/api/index/homePage',
method: 'get',
data: {
p: this.per
},
success: (res) => {
var next_data = res.data.result
// 加载新数组
this.products = this.products.concat(next_data)
}
})
},
methods: {
ajaxCode(per) {
uni.request({
url: 'https://www.zrzj.com/api/index/homePage',
method: 'get',
data: {
p: per
},
success: (res) => {
var _data = res.data.result
this.products = _data;
}
})
}
}

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