本文实例为大家分享了微信小程序实现多行文字滚动的具体代码，供大家参考，具体内容如下
wxml
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<view class="full" style="height:100%;overflow:hidden"> <swiper autoplay="true" interval="3000" duration="500" circular="true" vertical="true" style="height:100%"> <swiper-item wx:for="{{topnewslist}}" wx:key="{{index}}" catchtouchmove='catchTouchMove'> <van-notice-bar scrollable="{{false}}" bindtap="tonewsdetail" wx:for="{{item}}" wx:for-item="it" wx:key="{{index}}" data-newsid="{{it.new_id}}" style="width:100%" text="{{it.new_topic}}" /> </swiper-item> </swiper></view> |
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swiper-item { height: 100%;} |
js
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//index.js//获取应用实例import api from "../../utils/api.js"var token = ''const app = getApp()Page({ data: { topnewslist:[] }, onLoad: function () { }, tonewsdetail(e){ var newsid=e.currentTarget.dataset.newsid; wx.navigateTo({ url: '/pages/newsdetail/newsdetail?newsid='+newsid, }) }, loadscrollnews(){ api.get("mpapi/mpmnews.ashx", { action:'toplist',token:token}).then((res)=>{ if(res.code==1){ //res.list=[{"new_id":1,"new_topic":"111"},{"new_id":2,"new_topic":"222"},{"new_id":3,"new_topic":"333"},{"new_id":4,"new_topic":"444"}] this.setData({ topnewslist: this.splitArr(res.list, 2) //调用 //调用之后[[{"new_id":1,"new_topic":"111"},{"new_id":2,"new_topic":"222"}],[{"new_id":3,"new_topic":"333"},{"new_id":4,"new_topic":"444"}]] }) } }) }, /** * 分割数组创建二维数组封装 * @param data 数组 * @param senArrLen 需要分割成子数组的长度 */ splitArr(data, senArrLen){ //处理成len个一组的数据 let data_len = data.length; let arrOuter_len = data_len % senArrLen === 0 ? data_len / senArrLen : parseInt((data_len / senArrLen) + '') + 1; let arrSec_len = data_len > senArrLen ? senArrLen : data_len;//内层数组的长度 let arrOuter = new Array(arrOuter_len);//最外层数组 let arrOuter_index = 0;//外层数组的子元素下标 // console.log(data_len % len); for (let i = 0; i < data_len; i++) { if (i % senArrLen === 0) { arrOuter_index++; let len = arrSec_len * arrOuter_index; //将内层数组的长度最小取决于数据长度对len取余，平时最内层由下面赋值决定 arrOuter[arrOuter_index - 1] = new Array(data_len % senArrLen); if (arrOuter_index === arrOuter_len)//最后一组 data_len % senArrLen === 0 ? len = data_len % senArrLen + senArrLen * arrOuter_index : len = data_len % senArrLen + senArrLen * (arrOuter_index - 1); let arrSec_index = 0;//第二层数组的索引 for (let k = i; k < len; k++) {//第一层数组的开始取决于第二层数组长度*当前第一层的索引 arrOuter[arrOuter_index - 1][arrSec_index] = data[k]; arrSec_index++; } } } return arrOuter }, // 截获竖向滑动 catchTouchMove: function (res) { return false },}) |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/Dilemma_me/article/details/103251168
