import config from './contant'
export function getUrlParam (name) {
    let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
    let r = window.location.search.substr(1).match(reg);
    if (r != null) {
        return unescape(r[2]);
    }
    return null;
}
export function getWxCode(){
    let appid = "wxa57479bcd3f15461"; 
    let code = getUrlParam("code"); //是否存在code
    let local = window.location.origin.includes('localhost')?'http://h5.linkwechat.cn/test.html': window.location.href;
    // let local = 'http://h5.x*****o.com/'		
    if (code == null || code === "") {				
        //不存在就打开上面的地址进行授权
        window.location.href = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${encodeURIComponent(local)}&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect`

        return false 
        // window.location.href =
        //     `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${encodeURIComponent(local)}&response_type=code&scope=snsapi_userinfo&state=1#wechat_redirect`;				
                        
    }else{
        config.code = code
    }
}