用js获取QQ好友信息和QQ群信息

获取QQ好友

网页登入QQ邮箱，https://mail.qq.com，登入后点击写信，然后在右侧有个通讯录，如果有显示最近联系人的列表存在，一定要点一下清空。然后让分组列表展开不然代码无法食用。

按下F12打开控制台，复制粘贴代码后，还会下载txt文件，这就是txt文件就是QQ好友获取到的信息了。
代码如下：

 var saveAs = saveAs || (function(view) {
        "use strict";
        if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
            return;
        }
        var
            doc = view.document,
            get_URL = function() {
                return view.URL || view.webkitURL || view;
            },
            save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a"),
            can_use_save_link = "download" in save_link,
            click = function(node) {
                var event = new MouseEvent("click");
                node.dispatchEvent(event);
            },
            is_safari = /constructor/i.test(view.HTMLElement) || view.safari,
            is_chrome_ios = /CriOS\/[\d]+/.test(navigator.userAgent),
            throw_outside = function(ex) {
                (view.setImmediate || view.setTimeout)(function() {
                    throw ex;
                }, 0);
            },
            force_saveable_type = "application/octet-stream",
            arbitrary_revoke_timeout = 1000 * 40 // in ms
            ,
            revoke = function(file) {
                var revoker = function() {
                    if (typeof file === "string") { // file is an object URL
                        get_URL().revokeObjectURL(file);
                    } else { // file is a File
                        file.remove();
                    }
                };
                setTimeout(revoker, arbitrary_revoke_timeout);
            },
            dispatch = function(filesaver, event_types, event) {
                event_types = [].concat(event_types);
                var i = event_types.length;
                while (i--) {
                    var listener = filesaver["on" + event_types[i]];
                    if (typeof listener === "function") {
                        try {
                            listener.call(filesaver, event || filesaver);
                        } catch (ex) {
                            throw_outside(ex);
                        }
                    }
                }
            },
            auto_bom = function(blob) {

                if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
                    return new Blob([String.fromCharCode(0xFEFF), blob], {
                        type: blob.type
                    });
                }
                return blob;
            },
            FileSaver = function(blob, name, no_auto_bom) {
                if (!no_auto_bom) {
                    blob = auto_bom(blob);
                }
                var
                    filesaver = this,
                    type = blob.type,
                    force = type === force_saveable_type,
                    object_url, dispatch_all = function() {
                        dispatch(filesaver, "writestart progress write writeend".split(" "));
                    },
                    fs_error = function() {
                        if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
                            // Safari doesn't allow downloading of blob urls
                            var reader = new FileReader();
                            reader.onloadend = function() {
                                var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
                                var popup = view.open(url, '_blank');
                                if (!popup) view.location.href = url;
                                url = undefined; // release reference before dispatching
                                filesaver.readyState = filesaver.DONE;
                                dispatch_all();
                            };
                            reader.readAsDataURL(blob);
                            filesaver.readyState = filesaver.INIT;
                            return;
                        }
                        if (!object_url) {
                            object_url = get_URL().createObjectURL(blob);
                        }
                        if (force) {
                            view.location.href = object_url;
                        } else {
                            var opened = view.open(object_url, "_blank");
                            if (!opened) {
                                view.location.href = object_url;
                            }
                        }
                        filesaver.readyState = filesaver.DONE;
                        dispatch_all();
                        revoke(object_url);
                    };
                filesaver.readyState = filesaver.INIT;
                if (can_use_save_link) {
                    object_url = get_URL().createObjectURL(blob);
                    setTimeout(function() {
                        save_link.href = object_url;
                        save_link.download = name;
                        click(save_link);
                        dispatch_all();
                        revoke(object_url);
                        filesaver.readyState = filesaver.DONE;
                    });
                    return;
                }
                fs_error();
            },
            FS_proto = FileSaver.prototype,
            saveAs = function(blob, name, no_auto_bom) {
                return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
            };
        if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
            return function(blob, name, no_auto_bom) {
                name = name || blob.name || "download";
                if (!no_auto_bom) {
                    blob = auto_bom(blob);
                }
                return navigator.msSaveOrOpenBlob(blob, name);
            };
        }
        FS_proto.abort = function() {};
        FS_proto.readyState = FS_proto.INIT = 0;
        FS_proto.WRITING = 1;
        FS_proto.DONE = 2;
        FS_proto.error =
            FS_proto.onwritestart =
            FS_proto.onprogress =
            FS_proto.onwrite =
            FS_proto.onabort =
            FS_proto.onerror =
            FS_proto.onwriteend =
            null;
        return saveAs;
    }(
        typeof self !== "undefined" && self ||
        typeof window !== "undefined" && window ||
        this.content
    ));
    if (typeof module !== "undefined" && module.exports) {
        module.exports.saveAs = saveAs;
    } else if ((typeof define !== "undefined" && define !== null) && (define.amd !== null)) {
        define("FileSaver.js", function() {
            return saveAs;
        });
    };

    var content = [];
    //QQ好友
    var count = document.querySelector("#quickaddr_div > div.lm_panel>div > div.groupsub > div.groupsub").childElementCount;
    console.log(count)
    for (i = 1; i <= count; i++) {
        node = '#quickaddr_div > div.lm_panel>div> div.groupsub > div.groupsub > div:nth-child(' + i + ')> a';
        QQNumbers = document.querySelector(node).getAttribute('title');
        QQNumber = QQNumbers.split('@qq.com');
        name = document.querySelector(node).innerText.replace(/\([^\)]*\)/g, "");
        console.log(name + "---" + QQNumber);
        addArr = name + "---" + QQNumber + "\n";
        content.push(addArr);
    }

    var blob = new Blob([content], {
        type: "text/plain;charset=utf-8"
    });
    saveAs(blob, "QQ好友信息.txt");

获取QQ群信息

首先登入QQ群官网 https://qun.qq.com/member.html，QQ登入后有个小弹窗口，先不要关闭。打开控制台，复制如下代码，即可使用。

var saveAs = saveAs || (function(view) {
        "use strict";
        if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
            return;
        }
        var
            doc = view.document,
            get_URL = function() {
                return view.URL || view.webkitURL || view;
            },
            save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a"),
            can_use_save_link = "download" in save_link,
            click = function(node) {
                var event = new MouseEvent("click");
                node.dispatchEvent(event);
            },
            is_safari = /constructor/i.test(view.HTMLElement) || view.safari,
            is_chrome_ios = /CriOS\/[\d]+/.test(navigator.userAgent),
            throw_outside = function(ex) {
                (view.setImmediate || view.setTimeout)(function() {
                    throw ex;
                }, 0);
            },
            force_saveable_type = "application/octet-stream",
            arbitrary_revoke_timeout = 1000 * 40 // in ms
            ,
            revoke = function(file) {
                var revoker = function() {
                    if (typeof file === "string") { // file is an object URL
                        get_URL().revokeObjectURL(file);
                    } else { // file is a File
                        file.remove();
                    }
                };
                setTimeout(revoker, arbitrary_revoke_timeout);
            },
            dispatch = function(filesaver, event_types, event) {
                event_types = [].concat(event_types);
                var i = event_types.length;
                while (i--) {
                    var listener = filesaver["on" + event_types[i]];
                    if (typeof listener === "function") {
                        try {
                            listener.call(filesaver, event || filesaver);
                        } catch (ex) {
                            throw_outside(ex);
                        }
                    }
                }
            },
            auto_bom = function(blob) {

                if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
                    return new Blob([String.fromCharCode(0xFEFF), blob], {
                        type: blob.type
                    });
                }
                return blob;
            },
            FileSaver = function(blob, name, no_auto_bom) {
                if (!no_auto_bom) {
                    blob = auto_bom(blob);
                }
                var
                    filesaver = this,
                    type = blob.type,
                    force = type === force_saveable_type,
                    object_url, dispatch_all = function() {
                        dispatch(filesaver, "writestart progress write writeend".split(" "));
                    },
                    fs_error = function() {
                        if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
                            // Safari doesn't allow downloading of blob urls
                            var reader = new FileReader();
                            reader.onloadend = function() {
                                var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
                                var popup = view.open(url, '_blank');
                                if (!popup) view.location.href = url;
                                url = undefined; // release reference before dispatching
                                filesaver.readyState = filesaver.DONE;
                                dispatch_all();
                            };
                            reader.readAsDataURL(blob);
                            filesaver.readyState = filesaver.INIT;
                            return;
                        }
                        if (!object_url) {
                            object_url = get_URL().createObjectURL(blob);
                        }
                        if (force) {
                            view.location.href = object_url;
                        } else {
                            var opened = view.open(object_url, "_blank");
                            if (!opened) {
                                view.location.href = object_url;
                            }
                        }
                        filesaver.readyState = filesaver.DONE;
                        dispatch_all();
                        revoke(object_url);
                    };
                filesaver.readyState = filesaver.INIT;
                if (can_use_save_link) {
                    object_url = get_URL().createObjectURL(blob);
                    setTimeout(function() {
                        save_link.href = object_url;
                        save_link.download = name;
                        click(save_link);
                        dispatch_all();
                        revoke(object_url);
                        filesaver.readyState = filesaver.DONE;
                    });
                    return;
                }
                fs_error();
            },
            FS_proto = FileSaver.prototype,
            saveAs = function(blob, name, no_auto_bom) {
                return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
            };
        if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
            return function(blob, name, no_auto_bom) {
                name = name || blob.name || "download";
                if (!no_auto_bom) {
                    blob = auto_bom(blob);
                }
                return navigator.msSaveOrOpenBlob(blob, name);
            };
        }
        FS_proto.abort = function() {};
        FS_proto.readyState = FS_proto.INIT = 0;
        FS_proto.WRITING = 1;
        FS_proto.DONE = 2;
        FS_proto.error =
            FS_proto.onwritestart =
            FS_proto.onprogress =
            FS_proto.onwrite =
            FS_proto.onabort =
            FS_proto.onerror =
            FS_proto.onwriteend =
            null;
        return saveAs;
    }(
        typeof self !== "undefined" && self ||
        typeof window !== "undefined" && window ||
        this.content
    ));
    if (typeof module !== "undefined" && module.exports) {
        module.exports.saveAs = saveAs;
    } else if ((typeof define !== "undefined" && define !== null) && (define.amd !== null)) {
        define("FileSaver.js", function() {
            return saveAs;
        });
    };

    var content = [];
    //我创建的群
    var count1 = document.querySelector("body > div.ui-dialog.on > div.body-content > div > div.my-all-group > ul:nth-child(2)").childElementCount;
    for (i = 1; i <= count1; i++) {
        node = 'body > div.ui-dialog.on > div.body-content > div > div.my-all-group > ul:nth-child(2) > li:nth-child(' + i + ')';
        name = document.querySelector(node).getAttribute('title');
        number = document.querySelector(node).getAttribute('data-id');
        console.log(name + "---" + number);
        addArr = name + "---" + number + "\n";
        content.push(addArr);
    }

    //我管理的群
    var count2 = document.querySelector("body > div.ui-dialog.on > div.body-content > div > div.my-all-group > ul:nth-child(4)").childElementCount;
    for (i = 1; i <= count2; i++) {
        node = 'body > div.ui-dialog.on > div.body-content > div > div.my-all-group > ul:nth-child(4) > li:nth-child(' + i + ')';
        name = document.querySelector(node).getAttribute('title');
        number = document.querySelector(node).getAttribute('data-id');
        console.log(name + "---" + number);
        addArr = name + "---" + number + "\n";
        content.push(addArr);
    }

    //我加入的群
    var count3 = document.querySelector("body > div.ui-dialog.on > div.body-content > div > div.my-all-group > ul:nth-child(6)").childElementCount
    for (i = 1; i <= count3; i++) {
        node = 'body > div.ui-dialog.on > div.body-content > div > div.my-all-group > ul:nth-child(6) > li:nth-child(' + i + ')';
        name = document.querySelector(node).getAttribute('title');
        number = document.querySelector(node).getAttribute('data-id');
        console.log(name + "---" + number);
        addArr = name + "---" + number + "\n";
        content.push(addArr);
    }

    var blob = new Blob([content], {
        type: "text/plain;charset=utf-8"
    });
    saveAs(blob, "QQ群信息.txt");

扩展，你还可以如上的方法，也可以获取QQ群里面的好友信息，比如QQ号，性别，年龄等等。虽然作用不大，但可以练练手还是可以滴。

来源：CSDN

作者：卡卡叮

链接：https://blog.csdn.net/qq_44223394/article/details/104630463