获取地址栏 age=20&pirce=30&keywords=lv&cc=1 中的keywords参数的值

     let obj = {}
     let str = 'age=20&pirce=30&keywords=lv&cc=1'
     let keys = str.split('&')
     keys.forEach(r => {
         let kv = r.split('=')
         let key = kv[0]
         let val = kv[1]
         obj[key] = val
     })

     console.log(obj.keywords);