题解 | #获取 url 参数#

function getUrlParam(sUrl, sKey) {
    let query = sUrl.split('?')[1]
    let params = {}
    query.split('#')[0].split('&').forEach(item=>{
        let key = item.split('=')[0]
        let value = item.split('=')[1]
        if(!params[key]){
            params[key] = value
        }else if( params[key] instanceof Array){
            params[key].push(value)
        }else{
            params[key] = [params[key],value]
        }
    })
    if(!sKey){
        return params
    }else{
        return  params[sKey]?params[sKey]:''
    }
}