mohのAI正在绞尽脑汁想思路ING···
mohのAI摘要
mohのAI-Lite

想让你的博客首页更加个性化，为访客提供更友好的体验吗？本教程将教你如何在 Hexo Butterfly 主题中实现一个智能的访客欢迎卡片，可以根据访问者的地理位置、距离、时间等信息，显示独特的欢迎问候。

一、创建欢迎卡片结构

1.1、在主题目录下创建卡片模板文件

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[BlogRoot]\themes\butterfly\layout\includes\widget\card_welcome.pug

写入以下内容

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.card-widget.card-welcome
  .item-headline
    i.fa.fa-user
    span 欢迎来访者!
  .item-content
    p 👋🏻我是moh，一个
      span(style="font-weight: bold; color: #3498db") 热爱编程
      | 的技术爱好者，喜欢分享经验。😊 
    p ❓有问题欢迎提问，确保内容有意义，详情请见
      a(href="https://how-to-ask.liushen.fun/" target="_blank" style="font-weight: bold; color: #2980b9") 提问的智慧
      | 。如需联系我，欢迎通过
      a(href="mailto:01@liushen.fun" style="font-weight: bold; color: #9b59b6") 邮箱
      | 联系我！📧
  #welcome-info
    .error-message(style="height: 200px; display: flex; justify-content: center; align-items: center;")
      p(style="text-align: center;")
        span(style="font-size: 40px;") 😥 
        br
        span(style="font-size: 16px;") 由于网络问题
        br
        span(style="font-size: 16px;") 位置API请求错误
        br
        span(style="font-size: 16px;") 请刷新重试呀🤗~

1.2、插入到侧边栏

结构实现了，下面将该结构插入到对应的位置，可以在当前目录下的index.pug找到对应结构，如下：

文件路径

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[BlogRoot]\themes\butterfly\layout\includes\widget\index.pug

在代码中插入以下带➕号的那行代码,注意缩进问题
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#aside-content.aside-content
  //- post
  if is_post()
    - const tocStyle = page.toc_style_simple
    - const tocStyleVal = tocStyle === true || tocStyle === false ? tocStyle : theme.toc.style_simple
    if showToc && tocStyleVal
      .sticky_layout
        include ./card_post_toc.pug
    else
      !=partial('includes/widget/card_author', {}, {cache: true})
      !=partial('includes/widget/card_poem', {}, {cache: true})
      !=partial('includes/widget/card_rewards', {}, {cache: true})
      !=partial('includes/widget/card_announcement', {}, {cache: true})
      !=partial('includes/widget/card_top_self', {}, {cache: true})
      .sticky_layout
        if showToc
          include ./card_post_toc.pug
        if page.series
          include ./card_post_series.pug
        !=partial('includes/widget/card_recent_post', {}, {cache: true})
        !=partial('includes/widget/card_ad', {}, {cache: true})
  else
    //- page
    !=partial('includes/widget/card_author', {}, {cache: true})
+   !=partial('includes/widget/card_welcome', {}, {cache: true})
    !=partial('includes/widget/card_poem', {}, {cache: true})
    !=partial('includes/widget/card_rewards', {}, {cache: true})
    !=partial('includes/widget/card_announcement', {}, {cache: true})
    !=partial('includes/widget/card_top_self', {}, {cache: true})

    .sticky_layout
      if showToc
        include ./card_post_toc.pug
      !=partial('includes/widget/card_recent_post', {}, {cache: true})
      !=partial('includes/widget/card_ad', {}, {cache: true})
      !=partial('includes/widget/card_newest_comment', {}, {cache: true})
      !=partial('includes/widget/card_categories', {}, {cache: true})
      !=partial('includes/widget/card_tags', {}, {cache: true})
      !=partial('includes/widget/card_archives', {}, {cache: true})
      !=partial('includes/widget/card_webinfo', {}, {cache: true})
      !=partial('includes/widget/card_bottom_self', {}, {cache: true})

二、添加样式美化

2.1、创建样式文件

创建欢迎卡片的样式文件：

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[BlogRoot]\themes\butterfly\source\css\_layout\card-welcome.styl

添加以下样式代码：

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#aside-content
    .card-widget.card-welcome
        padding: 8px
        .item-headline
            margin: 12px 16px 0 16px
        .item-content
            margin: 0 16px 10px 16px
        #welcome-info
            text-align center
            background-color: var(--liushen-card-bg)
            border-radius: 12px
            padding: 16px
            margin: 8px
            // border: 2px solid var(--liushen-text)
            .ip-address
                // 模糊效果
                filter: blur(5px)
                color: var(--default-bg-color)
                transition: filter 0.5s
                &:hover
                    filter: none

三、JavaScript逻辑实现

3.1 创建JavaScript文件

在静态资源目录创建JS文件：

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[BlogRoot]/source/js/card-welcome.js

3.2 选择定位方案

碎碎念: 由于我觉得调用免费的获取ip地址的api经纬度不是很精确,因此我调用了付费的api 当前我也会提供免费的付费的js代码

方案一: 免费版（推荐新手尝试）

使用免费的IP-API服务，无需注册，但有速率限制。

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// 显示欢迎信息
// 计算两点之间的距离（单位：公里）
function getDistance(lat1, lon1, lat2, lon2) {
    const R = 6371;
    const dLat = (lat2 - lat1) * Math.PI / 180;
    const dLon = (lon2 - lon1) * Math.PI / 180;
    const a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
        Math.cos(lat1 * Math.PI / 180) * Math.cos(lat2 * Math.PI / 180) *
        Math.sin(dLon / 2) * Math.sin(dLon / 2);
    const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
    return Math.round(R * c);
}

// 获取IP位置信息
function fetchIpLocation() {
    return fetch('http://ip-api.com/json/?fields=status,message,country,regionName,city,lat,lon,query&lang=zh-CN')
        .then(response => response.json())
        .then(data => {
            if (data.status !== 'success') {
                throw new Error(data.message || 'IP定位失败');
            }
            return {
                ip: data.query,
                data: {
                    country: data.country,
                    prov: data.regionName,
                    city: data.city,
                    district: '',
                    lng: data.lon,
                    lat: data.lat
                }
            };
        })
        .catch(error => {
            console.error('获取IP位置信息失败:', error);
            return null;
        });
}
function showWelcome(ipLocation) {
    if (!ipLocation || !ipLocation.data) {
        console.error('ipLocation data is not available.');
        return;
    }

    let dist = getDistance(24.4798, 118.0894, ipLocation.data.lat, ipLocation.data.lng);
    let pos = ipLocation.data.country;
    let ip = ipLocation.ip;
    let posdesc;

    // 以下的代码需要根据新API返回的结果进行相应的调整
    switch (ipLocation.data.country) {
        case "日本":
            posdesc = "よろしく，一起去看樱花吗";
            break;
        case "美国":
            posdesc = "Let us live in peace!";
            break;
        case "英国":
            posdesc = "想同你一起夜乘伦敦眼";
            break;
        case "俄罗斯":
            posdesc = "干了这瓶伏特加！";
            break;
        case "法国":
            posdesc = "C'est La Vie";
            break;
        case "德国":
            posdesc = "Die Zeit verging im Fluge.";
            break;
        case "澳大利亚":
            posdesc = "一起去大堡礁吧！";
            break;
        case "加拿大":
            posdesc = "拾起一片枫叶赠予你";
            break;
        case "中国":
            pos = ipLocation.data.prov + " " + ipLocation.data.city + " " + ipLocation.data.district;
            switch (ipLocation.data.prov) {
                case "北京市":
                    posdesc = "北——京——欢迎你~~~";
                    break;
                case "天津市":
                    posdesc = "讲段相声吧";
                    break;
                case "河北省":
                    posdesc = "山势巍巍成壁垒，天下雄关铁马金戈由此向，无限江山";
                    break;
                case "山西省":
                    posdesc = "展开坐具长三尺，已占山河五百余";
                    break;
                case "内蒙古自治区":
                    posdesc = "天苍苍，野茫茫，风吹草低见牛羊";
                    break;
                case "辽宁省":
                    posdesc = "我想吃烤鸡架！";
                    break;
                case "吉林省":
                    posdesc = "状元阁就是东北烧烤之王";
                    break;
                case "黑龙江省":
                    posdesc = "很喜欢哈尔滨大剧院";
                    break;
                case "上海市":
                    posdesc = "众所周知，中国只有两个城市";
                    break;
                case "江苏省":
                    switch (ipLocation.data.city) {
                        case "南京市":
                            posdesc = "这是我挺想去的城市啦";
                            break;
                        case "苏州市":
                            posdesc = "上有天堂，下有苏杭";
                            break;
                        default:
                            posdesc = "散装是必须要散装的";
                            break;
                    }
                    break;
                case "浙江省":
                    switch (ipLocation.data.city) {
                        case "杭州市":
                            posdesc = "东风渐绿西湖柳，雁已还人未南归";
                            break;
                        default:
                            posdesc = "望海楼明照曙霞,护江堤白蹋晴沙";
                            break;
                    }
                    break;
                case "河南省":
                    switch (ipLocation.data.city) {
                        case "郑州市":
                            posdesc = "豫州之域，天地之中";
                            break;
                        case "信阳市":
                            posdesc = "品信阳毛尖，悟人间芳华";
                            break;
                        case "南阳市":
                            posdesc = "臣本布衣，躬耕于南阳此南阳非彼南阳！";
                            break;
                        case "驻马店市":
                            posdesc = "峰峰有奇石，石石挟仙气嵖岈山的花很美哦！";
                            break;
                        case "开封市":
                            posdesc = "刚正不阿包青天";
                            break;
                        case "洛阳市":
                            posdesc = "洛阳牡丹甲天下";
                            break;
                        default:
                            posdesc = "可否带我品尝河南烩面啦？";
                            break;
                    }
                    break;
                case "安徽省":
                    posdesc = "蚌埠住了，芜湖起飞";
                    break;
                case "福建省":
                    posdesc = "井邑白云间，岩城远带山";
                    break;
                case "江西省":
                    posdesc = "落霞与孤鹜齐飞，秋水共长天一色";
                    break;
                case "山东省":
                    posdesc = "遥望齐州九点烟，一泓海水杯中泻";
                    break;
                case "湖北省":
                    switch (ipLocation.data.city) {
                        case "黄冈市":
                            posdesc = "红安将军县！辈出将才！";
                            break;
                        case "武汉市":
                            posdesc = "你想去长江游泳嘛？";
                            break;
                        default:
                            posdesc = "来碗热干面~";
                            break;
                    }
                    break;
                case "湖南省":
                    posdesc = "74751，长沙斯塔克";
                    break;
                case "广东省":
                    switch (ipLocation.data.city) {
                        case "广州市":
                            posdesc = "看小蛮腰，喝早茶了嘛~";
                            break;
                        case "深圳市":
                            posdesc = "今天你逛商场了嘛~";
                            break;
                        case "阳江市":
                            posdesc = "阳春合水！博主家乡~ 欢迎来玩~";
                            break;
                        default:
                            posdesc = "来两斤福建人~";
                            break;
                    }
                    break;
                case "广西壮族自治区":
                    posdesc = "桂林山水甲天下";
                    break;
                case "海南省":
                    posdesc = "朝观日出逐白浪，夕看云起收霞光";
                    break;
                case "四川省":
                    posdesc = "康康川妹子";
                    break;
                case "贵州省":
                    posdesc = "茅台，学生，再塞200";
                    break;
                case "云南省":
                    posdesc = "玉龙飞舞云缠绕，万仞冰川直耸天";
                    break;
                case "西藏自治区":
                    posdesc = "躺在茫茫草原上，仰望蓝天";
                    break;
                case "陕西省":
                    posdesc = "来份臊子面加馍";
                    break;
                case "甘肃省":
                    posdesc = "羌笛何须怨杨柳，春风不度玉门关";
                    break;
                case "青海省":
                    posdesc = "牛肉干和老酸奶都好好吃";
                    break;
                case "宁夏回族自治区":
                    posdesc = "大漠孤烟直，长河落日圆";
                    break;
                case "新疆维吾尔自治区":
                    posdesc = "驼铃古道丝绸路，胡马犹闻唐汉风";
                    break;
                case "台湾省":
                    posdesc = "我在这头，大陆在那头";
                    break;
                case "香港特别行政区":
                    posdesc = "永定贼有残留地鬼嚎，迎击光非岁玉";
                    break;
                case "澳门特别行政区":
                    posdesc = "性感荷官，在线发牌";
                    break;
                default:
                    posdesc = "带我去你的城市逛逛吧！";
                    break;
            }
            break;
        default:
            posdesc = "带我去你的国家逛逛吧";
            break;
    }

    // 根据本地时间切换欢迎语
    let timeChange;
    let date = new Date();
    if (date.getHours() >= 5 && date.getHours() < 11) timeChange = "<span>🌤️ 早上好，快趁机多睡点懒觉！</span>";
    else if (date.getHours() >= 11 && date.getHours() < 13) timeChange = "<span>☀️ 中午好，记得午休喔~</span>";
    else if (date.getHours() >= 13 && date.getHours() < 17) timeChange = "<span>🕞 下午好，饮茶先啦！</span>";
    else if (date.getHours() >= 17 && date.getHours() < 19) timeChange = "<span>🚶‍♂️ 下班啦！主打一个不听老板话~</span>";
    else if (date.getHours() >= 19 && date.getHours() < 24) timeChange = "<span>🌙 晚上好，来一起熬夜吧呜😭</span>";
    else timeChange = "夜深了，早点休息，少熬夜";

    let welcomeInfoElement = document.getElementById("welcome-info");

    if (welcomeInfoElement) {
        welcomeInfoElement.innerHTML =
            `嗷嗷！热烈欢迎🤪！来自<br><b><span style="color: var(--default-bg-color)">${pos}</span></b><br> 的铁铁，你好呀！😝<br>${posdesc}🍂<br>你目前距博主约 <b><span style="color: var(--default-bg-color)">${dist}</span></b> 公里！<br>你的网络IP为：<b><span class="ip-address" style="font-size: 15px;">${ip}</span></b><br>${timeChange} <br>`;
    } else {
        console.log("Pjax无法获取元素");
    }
}

// 判断是否存在 "welcome-info" 元素
function isWelcomeInfoAvailable() {
    let welcomeInfoElement = document.getElementById("welcome-info");
    return welcomeInfoElement !== null;
}

// Pjax 完成后调用的处理函数
function handlePjaxComplete(ipLocation) {
    if (isWelcomeInfoAvailable()) {
        showWelcome(ipLocation);
    }
}

// 加载时调用
function onLoad() {
    fetchIpLocation().then(ipLocation => {
        if (isWelcomeInfoAvailable()) {
            showWelcome(ipLocation);
        }
        document.addEventListener("pjax:complete", () => handlePjaxComplete(ipLocation));
    });
}

// 绑定 window.onload 事件
window.onload = onLoad;

方案二 付费版（高精度定位）

我这里采用的是小小api,因为调用的api没有限制，但是有次数限制，所以请自行注册账号，并申请key 官网链接如下: https://api.nsuuu.com/

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const longitude = 118.0894;
const Latitude = 24.4798;
const IP_LOCATION_API_KEY = GLOBAL_CONFIG.ipLocationApiKey || '';

function getDistance(e1, n1, e2, n2) {
const R = 6371;
const { sin, cos, asin, PI, hypot } = Math;
let getPoint = (e, n) => {
e *= PI / 180;
n *= PI / 180;
return { x: cos(n) * cos(e), y: cos(n) * sin(e), z: sin(n) };
};

let a = getPoint(e1, n1);
let b = getPoint(e2, n2);
let c = hypot(a.x - b.x, a.y - b.y, a.z - b.z);
let r = asin(c / 2) * 2 * R;
return Math.round(r);
}

function fetchUserIP() {
return fetch('https://v1.nsuuu.com/api/ua')
.then(response => response.json())
.then(data => {
if (data.code === 200 && data.data && data.data.ip) {
return data.data.ip;
} else {
throw new Error('获取IP失败');
}
})
.catch(error => {
console.error('获取用户IP失败:', error);
throw error;
});
}

function fetchIpLocation(ip) {
return fetch(`https://v1.nsuuu.com/api/ipip?ip=${ip}`, {
method: 'GET',
headers: {
'Authorization': `Bearer ${IP_LOCATION_API_KEY}`,
'Content-Type': 'application/json'
}
})
.then(response => response.json())
.then(data => {
if (data.code === 200 && data.data) {
return {
ip: data.data.ip,
data: {
country: data.data.country,
prov: data.data.province,
city: data.data.city,
district: '',
lng: parseFloat(data.data.longitude),
lat: parseFloat(data.data.latitude)
}
};
} else {
throw new Error(data.message || 'IP定位失败');
}
})
.catch(error => {
console.error('获取IP位置信息失败:', error);
throw error;
});
}

function fetchIpLocationWithCache() {
const cachedData = btf.saveToLocal.get('ipLocation');
if (cachedData) {
return Promise.resolve(cachedData);
}

return fetchUserIP()
.then(ip => fetchIpLocation(ip))
.then(ipLocation => {
btf.saveToLocal.set('ipLocation', ipLocation, 1);
return ipLocation;
});
}

function showWelcome(ipLocation) {
if (!ipLocation || !ipLocation.data) {
console.error('ipLocation data is not available.');
return;
}

let dist = getDistance(longitude, Latitude, ipLocation.data.lng, ipLocation.data.lat);
let pos = ipLocation.data.country;
let ip = ipLocation.ip;
let posdesc;

switch (ipLocation.data.country) {
case "日本":
posdesc = "よろしく，一起去看樱花吗";
break;
case "美国":
posdesc = "Let us live in peace!";
break;
case "英国":
posdesc = "想同你一起夜乘伦敦眼";
break;
case "俄罗斯":
posdesc = "Высушите эту бутылку водки!";
break;
case "法国":
posdesc = "C'est La Vie";
break;
case "德国":
posdesc = "Die Zeit verging im Fluge.";
break;
case "澳大利亚":
posdesc = "一起去大堡礁吧！";
break;
case "加拿大":
posdesc = "拾起一片枫叶赠予你";
break;
case "中国":
pos = ipLocation.data.prov + " " + ipLocation.data.city;
switch (ipLocation.data.prov) {
case "北京市":
posdesc = "北——京——欢迎你~~~";
break;
case "天津市":
posdesc = "讲段相声吧";
break;
case "河北省":
posdesc = "山势巍巍成壁垒，天下雄关铁马金戈由此向，无限江山";
break;
case "山西省":
posdesc = "展开坐具长三尺，已占山河五百余";
break;
case "内蒙古自治区":
posdesc = "天苍苍，野茫茫，风吹草低见牛羊";
break;
case "辽宁省":
posdesc = "我想吃烤鸡架！";
break;
case "吉林省":
posdesc = "状元阁就是东北烧烤之王";
break;
case "黑龙江省":
posdesc = "很喜欢哈尔滨大剧院";
break;
case "上海市":
posdesc = "众所周知，中国只有两个城市";
break;
case "江苏省":
switch (ipLocation.data.city) {
case "南京市":
posdesc = "这是我挺想去的城市啦";
break;
case "苏州市":
posdesc = "上有天堂，下有苏杭";
break;
case "无锡市":
posdesc = "无锡太美，无锡太美";
break;
default:
posdesc = "散装是必须要散装的";
break;
}
break;
case "浙江省":
posdesc = "东风渐绿西湖柳，雁已还人未南归";
break;
case "河南省":
switch (ipLocation.data.city) {
case "郑州市":
posdesc = "豫州之域，天地之中";
break;
case "南阳市":
posdesc = "臣本布衣，躬耕于南阳此南阳非彼南阳！";
break;
case "驻马店市":
posdesc = "峰峰有奇石，石石挟仙气嵖岈山的花很美哦！";
break;
case "开封市":
posdesc = "刚正不阿包青天";
break;
case "洛阳市":
posdesc = "洛阳牡丹甲天下";
break;
default:
posdesc = "可否带我品尝河南烩面啦？";
break;
}
break;
case "安徽省":
posdesc = "蚌埠住了，芜湖起飞";
break;
case "福建省":
posdesc = "井邑白云间，岩城远带山";
break;
case "江西省":
posdesc = "落霞与孤鹜齐飞，秋水共长天一色";
break;
case "山东省":
posdesc = "遥望齐州九点烟，一泓海水杯中泻";
break;
case "湖北省":
switch (ipLocation.data.city) {
case "黄冈市":
posdesc = "红安将军县！辈出将才！";
break;
default:
posdesc = "来碗热干面~";
break;
}
break;
case "湖南省":
switch (ipLocation.data.city) {
case "衡阳市":
posdesc = "老乡见老乡，两眼泪汪汪！";
break;
default:
posdesc = "74751，长沙斯塔克";
break;
}
break;
case "广东省":
switch (ipLocation.data.city) {
case "广州市":
posdesc = "看小蛮腰，喝早茶了嘛~";
break;
case "深圳市":
posdesc = "今天你996了嘛~";
break;
case "阳江市":
posdesc = "阳春合水！博主家乡~ 欢迎来玩~";
break;
default:
posdesc = "来两斤福建人~";
break;
}
break;
case "广西壮族自治区":
posdesc = "桂林山水甲天下";
break;
case "海南省":
posdesc = "朝观日出逐白浪，夕看云起收霞光";
break;
case "四川省":
posdesc = "康康川妹子";
break;
case "贵州省":
posdesc = "茅台，学生，再塞200";
break;
case "云南省":
posdesc = "玉龙飞舞云缠绕，万仞冰川直耸天";
break;
case "西藏自治区":
posdesc = "躺在茫茫草原上，仰望蓝天";
break;
case "陕西省":
posdesc = "来份臊子面加馍";
break;
case "甘肃省":
posdesc = "羌笛何须怨杨柳，春风不度玉门关";
break;
case "青海省":
posdesc = "牛肉干和老酸奶都好好吃";
break;
case "宁夏回族自治区":
posdesc = "大漠孤烟直，长河落日圆";
break;
case "新疆维吾尔自治区":
posdesc = "驼铃古道丝绸路，胡马犹闻唐汉风";
break;
case "台湾省":
posdesc = "我在这头，大陆在那头";
break;
case "香港特别行政区":
posdesc = "永定贼有残留地鬼嚎，迎击光非岁玉";
break;
case "澳门特别行政区":
posdesc = "性感荷官，在线发牌";
break;
default:
posdesc = "带我去你的城市逛逛吧！";
break;
}
break;
default:
posdesc = "带我去你的国家逛逛吧";
break;
}

let timeChange;
let date = new Date();
if (date.getHours() >= 5 && date.getHours() < 11) timeChange = "<span>🌤️ 早上好，快趁机多睡点懒觉！</span>";
else if (date.getHours() >= 11 && date.getHours() < 13) timeChange = "<span>☀️ 中午好，记得午休喔~</span>";
else if (date.getHours() >= 13 && date.getHours() < 17) timeChange = "<span>🕞 下午好，饮茶先啦！</span>";
else if (date.getHours() >= 17 && date.getHours() < 19) timeChange = "<span>🚶‍♂️ 下班啦！主打一个不听老板话~</span>";
else if (date.getHours() >= 19 && date.getHours() < 24) timeChange = "<span>🌙 晚上好，来一起熬夜吧呜😭</span>";
else timeChange = "夜深了，早点休息，少熬夜";

let welcomeInfoElement = document.getElementById("welcome-info");

if (welcomeInfoElement) {
welcomeInfoElement.innerHTML =
`嗷嗷！热烈欢迎🤪！来自<br><b><span style="color: var(--default-bg-color)">${pos}</span></b><br> 的铁铁，你好呀！😝<br>${posdesc}🍂<br>你目前距博主约 <b><span style="color: var(--default-bg-color)">${dist}</span></b> 公里！<br>你的网络IP为：<b><span class="ip-address" style="font-size: 15px;">${ip}</span></b><br>${timeChange} <br>`;
} else {
console.log("Pjax无法获取元素");
}
        }

function isWelcomeInfoAvailable() {
let welcomeInfoElement = document.getElementById("welcome-info");
return welcomeInfoElement !== null;
}

function handlePjaxComplete() {
if (isWelcomeInfoAvailable()) {
fetchIpLocationWithCache().then(ipLocation => {
showWelcome(ipLocation);
}).catch(error => {
console.error('获取位置信息失败:', error);
});
}
        }

function onLoad() {
if (isWelcomeInfoAvailable()) {
fetchIpLocationWithCache().then(ipLocation => {
showWelcome(ipLocation);
}).catch(error => {
console.error('获取位置信息失败:', error);
});
}
document.addEventListener("pjax:complete", handlePjaxComplete);
}

window.onload = onLoad;

4.2 需要在配置文件里面引入这个自定义的js

五、进阶配置 （付费版专用）

如果直接写key写到js里面,会造成严重的token值泄露,因此我将token写到自定义配置文件里面,js读取配置文件这样子就不会造成token值泄露

5.1、 配置环境变量

创建环境变量文件保护API密钥：

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[blogRoot]/.env

添加你的API密钥

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IP_LOCATION_API_KEY=你的密钥

5.2、加载环境变量脚本

创建Hexo脚本加载环境变量：

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[blogRoot]/scripts/load-env.js

写入以下内容

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const fs = require('fs');
const path = require('path');

hexo.on('generateBefore', function () {
  const envPath = path.join(hexo.base_dir, '.env');
  
  if (fs.existsSync(envPath)) {
    const envContent = fs.readFileSync(envPath, 'utf-8');
    
    envContent.split('\n').forEach(line => {
      line = line.trim();
      
      if (!line || line.startsWith('#')) return;
      
      const match = line.match(/^([^=]+)=(.*)$/);
      if (match) {
        const key = match[1].trim();
        let value = match[2].trim();
        
        if ((value.startsWith('"') && value.endsWith('"')) || 
            (value.startsWith("'") && value.endsWith("'"))) {
          value = value.slice(1, -1);
        }
        
        process.env[key] = value;
      }
    });
    
    hexo.log.info('✓ Environment variables loaded from .env file');
  } else {
    hexo.log.warn('.env file not found. Some features may not work properly.');
  }
});


5.3、传递API密钥到前端

修改主题的配置文件：
[blogRoot]themes/butterfly/layout/_partial/config.pug

代码添加即➕号,内容注意格式缩进

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 let highlightProvider = config.syntax_highlighter || (config.highlight.enable ? 'highlight.js' : config.prismjs.enable ? 'prismjs' : null)
  const { copy, language, height_limit, fullpage, macStyle, shrink } = theme.code_blocks
  let highlight = JSON.stringify({
    plugin: highlightProvider,
    highlightCopy: copy,
    highlightLang: language,
    highlightHeightLimit: height_limit,
    highlightFullpage: fullpage,
    highlightMacStyle: macStyle
  })

+  let ipLocationApiKey = process.env.IP_LOCATION_API_KEY || ''

script.
  const GLOBAL_CONFIG = {
    root: '!{config.root}',
    algolia: !{algolia},
    localSearch: !{localSearch},
    translate: !{translate},
    highlight: !{highlight},
    copy: {
      success: '!{_p("copy.success")}',
      error: '!{_p("copy.error")}',
      noSupport: '!{_p("copy.noSupport")}'
    },
    relativeDate: {
      homepage: !{theme.post_meta.page.date_format === 'relative'},
      post: !{theme.post_meta.post.date_format === 'relative'}
    },
    runtime: '!{theme.aside.card_webinfo.runtime_date ? _p("aside.card_webinfo.runtime.unit") : ""}',
    dateSuffix: {
      just: '!{_p("date_suffix.just")}',
      min: '!{_p("date_suffix.min")}',
      hour: '!{_p("date_suffix.hour")}',
      day: '!{_p("date_suffix.day")}',
      month: '!{_p("date_suffix.month")}'
    },
    copyright: !{copyright},
    lightbox: '!{ theme.lightbox || 'null' }',
    Snackbar: !{Snackbar},
    infinitegrid: {
      js: '!{url_for(theme.asset.egjs_infinitegrid)}',
      buttonText: '!{_p("load_more")}'
    },
    isPhotoFigcaption: !{theme.photofigcaption},
    islazyloadPlugin: !{theme.lazyload.enable && !theme.lazyload.native},
    isAnchor: !{theme.anchor.auto_update || false},
    percent: {
      toc: !{theme.toc.scroll_percent},
      rightside: !{theme.rightside_scroll_percent},
    },
    autoDarkmode: !{theme.darkmode.enable && theme.darkmode.autoChangeMode === 1},
+    ipLocationApiKey: '!{ipLocationApiKey}'
  }

5.4、在需要的js中引入即可格式如下

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const IP_LOCATION_API_KEY = GLOBAL_CONFIG.ipLocationApiKey || '';

参考文章

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liushen的Butterfly魔改教程
效果展示

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