微信公众号网页域名只能设置2个的解决方法（中转站）记录哈

最新推荐文章于 2025-03-10 17:06:46 发布

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最新推荐文章于 2025-03-10 17:06:46 发布

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本文链接：https://blog.youkuaiyun.com/u014722196/article/details/126489724

版权

//新建一个html页面 把这个页面放在服务器上 域名 例如：http://wx.abc.com/get-weixin-code.html
<!DOCTYPE html>
<html lang="en">
 
    <head>
        <meta charset="UTF-8">
    </head>
 
    <body>
        <script>
            var GWC = {
                version: '1.1.1',
                urlParams: {},
                appendParams: function(url, params) {
                    if (params) {
                        var baseWithSearch = url.split('#')[0];
                        var hash = url.split('#')[1];
                        for (var key in params) {
                            var attrValue = params[key];
                            if (attrValue !== undefined) {
                                var newParam = key + "=" + attrValue;
                                if (baseWithSearch.indexOf('?') > 0) {
                                    var oldParamReg = new RegExp('^' + key + '=[-%.!~*\'\(\)\\w]*', 'g');
                                    if (oldParamReg.test(baseWithSearch)) {
                                        baseWithSearch = baseWithSearch.replace(oldParamReg, newParam);
                                    } else {
                                        baseWithSearch += "&" + newParam;
                                    }
                                } else {
                                    baseWithSearch += "?" + newParam;
                                }
                            }
                        }
                        if (hash) {
                            url = baseWithSearch + '#' + hash;
                        } else {
                            url = baseWithSearch;
                        }
                    }
                    return url;
                },
                getUrlParams: function() {
                    var pairs = location.search.substring(1).split('&');
                    for (var i = 0; i < pairs.length; i++) {
                        var pos = pairs[i].indexOf('=');
                        if (pos === -1) {
                            continue;
                        }
                        GWC.urlParams[pairs[i].substring(0, pos)] = decodeURIComponent(pairs[i].substring(pos + 1));
                    }
                },
                doRedirect: function() {
                    var code = GWC.urlParams['code'];
                    var appId = GWC.urlParams['appid'];
                    var scope = GWC.urlParams['scope'] || 'snsapi_base';
                    var state = GWC.urlParams['state'];
                    var isMp = GWC.urlParams['isMp']; //isMp为true时使用开放平台作授权登录，false为网页扫码登录
                    var baseUrl;
                    var redirectUri;
                    if (!code) {
                        baseUrl = "https://open.weixin.qq.com/connect/oauth2/authorize#wechat_redirect";
                        if(scope == 'snsapi_login' && !isMp){
                            baseUrl = "https://open.weixin.qq.com/connect/qrconnect";
                        }
                        //第一步，没有拿到code，跳转至微信授权页面获取code
                        redirectUri = GWC.appendParams(baseUrl, {
                            'appid': appId,
                            'redirect_uri': encodeURIComponent(location.href),
                            'response_type': 'code',
                            'scope': scope,
                            'state': state,
                        });
                    } else {
                        //第二步，从微信授权页面跳转回来，已经获取到了code，再次跳转到实际所需页面
                        redirectUri = GWC.appendParams(GWC.urlParams['redirect_uri'], {
                            'code': code,
                            'state': state
                        });
                    }
                    location.href = redirectUri;
                }
            };
            GWC.getUrlParams();
            GWC.doRedirect();
        </script>
    </body>
 
</html>

//在需要跳转的地方

```cpp
location.href = 'http://wx.abc.com/get-weixin-code.html?appid=微信公众号appId&scope=XXX&state=XXX&redirect_uri=' + encodeURIComponent(回调地址)

公众号上需要设置：![在这里插入图片描述](https://img-blog.csdnimg.cn/69d7591df53643b8b6f80bbdf340dc05.png)

微信公众号 网页域名只能设置2个的解决方法（中转站） 记录哈

微信公众号网页域名只能设置2个的解决方法（中转站）记录哈