@toolkit-fe/get-location/es/utils/load-wx-sdk.js

获取当前位置

/**
 * 微信sdk异步加载
 * @param {*} src
 * @param {*} callback api接口
 */
export const handlerLoadScript = (callback) => {
    const src = `https://res.wx.qq.com/open/js/jweixin-1.4.0.js`;
    if (!(typeof callback === 'function')) {
        callback = function () { };
    }
    var check = document.querySelectorAll(`script[src="${src}"]`);
    if (check.length > 0) {
        check[0].addEventListener('load', function () {
            callback();
        });
        callback();
        return;
    }
    var script = document.createElement('script');
    var head = document.getElementsByTagName('head')[0];
    script.type = 'text/javascript';
    script.charset = 'UTF-8';
    script.src = src;
    if (script.addEventListener) {
        script.addEventListener('load', function () {
            callback();
        }, false);
    }
    else if (script.attachEvent) {
        script.attachEvent('onreadystatechange', function () {
            const target = window.event.srcElement;
            if (target.readyState === 'loaded') {
                callback();
            }
        });
    }
    head.appendChild(script);
};