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/**
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* 上传文件。
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* 作者：tmzdy
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* 时间：2021年7月28日，9:14:53
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* 联系：zhongjihan@sina.com
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* 预览图片。
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* @param {Object} url 必填 当前预览的图片链接。
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* @param {Object} list 可以是url数组，也可以是对象，数据比如：["http:url"] or [{url:"https:url",...}]
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* @param {Object} rangKey 如果list是对象数组，需要提供url字段。
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*/
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function previewImg(url,list,rangKey){
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if(!url){
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uni.$tm.toast("参数有误");
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return;
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}
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if(arguments.length==1){
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uni.previewImage({
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current:url,
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urls:list?list:[url]
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})
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}else if(arguments.length===3){
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if(typeof list[0] === 'object' && typeof list[0] !== 'undefined'){
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let urls = [];
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list.forEach(item=>{
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urls.push(item[rangKey]);
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})
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uni.previewImage({
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current:url,
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urls:urls,
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fail: (er) => {
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console.warn(er)
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}
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})
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}else if(typeof list[0] === 'string'){
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uni.previewImage({
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current:url,
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urls:list
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})
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}
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}else{
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uni.$tm.toast("参数有误");
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}
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}
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export default previewImg
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