//封装函数
function like(str,start,length){
var offset = start || 0;
var len = length || 10;
len = Math.min(len,20);
//判断字符串长度
if(str.length <= len){
return str;
}
return str.substring(offset,len)+"*****";
}
//导出
module.exports = {
like:like
}
//导入
<wxs src="../../utils/fun.wxs" module="like"></wxs>
<text>{{like.like(goods.data.goods_name,0,3)}}</text>
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