个人常用tools

//获取url中？后的某个值
export function getStrString(url,name) {
    let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
    let r = window.location.search.substr(1).match(reg);
    if (r != null){  
        return decodeURIComponent(r[2]);
    } else {  
        return '';
    }
}