


Implementation of rich text to text conversion in WeChat mini program
这篇文章主要介绍了微信小程序 富文本转文本实例详解的相关资料,需要的朋友可以参考下
微信小程序-富文本转文本
最近小程序这么火,我也来搞搞。发现了一个恶心的问题。小程序没有组件能支持富文本内容的,改接口又不太合适,于是有了这问,没技术含量纯粹记录
首先我们看眼没有被格式的富文本显示:
*.wxml内代码。content是富文本内容
<view> <text>{{content}}</text> </view>
显示结果:
由以上图片看到,小程序无法解析html文件
我们需要处理html富文本内容,让其显示好看点
下面直接上代码了,主要功能就是利用js的replace 对富文本经行处理,大家可以看一下。一起优化,方便对富文本更好的处理。
convertHtmlToText: function convertHtmlToText(inputText) { var returnText = "" + inputText; returnText = returnText.replace(/<\/p>/ig, '\r\n'); returnText = returnText.replace(/<\/li>/ig, '\r\n'); returnText = returnText.replace(/<li>/ig, ' * '); returnText = returnText.replace(/<\/ul>/ig, '\r\n'); //-- remove BR tags and replace them with line break returnText = returnText.replace(/<br\s*[\/]?>/gi, "\r\n"); //-- remove P and A tags but preserve what's inside of them returnText=returnText.replace(/<p.*?>/gi, "\r\n"); returnText=returnText.replace(/<a.*href="(.*?)".*>(.*?)<\/a>/gi, " $2 ($1)"); //-- remove all inside SCRIPT and STYLE tags returnText=returnText.replace(/<script.*>[\w\W]{1,}(.*?)[\w\W]{1,}<\/script>/gi, ""); returnText=returnText.replace(/<style.*>[\w\W]{1,}(.*?)[\w\W]{1,}<\/style>/gi, ""); //-- remove all else returnText=returnText.replace(/<(?:.|\s)*?>/g, ""); //-- get rid of more than 2 multiple line breaks: returnText=returnText.replace(/(?:(?:\r\n|\r|\n)\s*){2,}/gim, "\r\n\r\n"); //-- get rid of more than 2 spaces: returnText = returnText.replace(/ +(?= )/g,''); //-- get rid of html-encoded characters: returnText=returnText.replace(/ /gi," "); returnText=returnText.replace(/&/gi,"&"); returnText=returnText.replace(/"/gi,'"'); returnText=returnText.replace(/</gi,'<'); returnText=returnText.replace(/>/gi,'>'); return returnText; }
将上面代码放入任意适合的小程序js文件中, 然后在需要处理数据的js文件里,引入文件,下面给出放入app.js文件中的调用示
例:
var app = getApp()//获取app小程序实例 onLoad: function (options) { wx.request({ url: 'http://example.com/api' + options.id+'.json', headers: { 'Content-Type': 'application/json' }, success: function (res) { res.data.content = app.convertHtmlToText(res.data.content ) that.setData({ art: res.data.content }) console.log(res.data) } }) }
然后编译刷新下,可以看到结果了:
这里可以继续调整下css,使显示得更好看点。
以上就是本文的全部内容,希望对大家的学习有所帮助,更多相关内容请关注PHP中文网!
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