查看“︁微件:DeadLinkScanner”︁的源代码

<includeonly>
<style>
.deadlink-scanner {
    margin: 20px 0;
    padding: 20px;
    background: #fafafa;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}
.deadlink-scanner h3 {
    margin-bottom: 10px;
}
.deadlink-scanner .scan-btn {
    padding: 10px 24px;
    background: #f44336;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
}
.deadlink-scanner .scan-btn:hover { background: #d32f2f; }
.deadlink-scanner .scan-btn:disabled { background: #ccc; cursor: not-allowed; }
.deadlink-progress {
    width: 100%;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    margin: 15px 0;
    overflow: hidden;
    display: none;
}
.deadlink-progress-bar {
    height: 100%;
    background: #f44336;
    border-radius: 3px;
    transition: width 0.3s;
    width: 0%;
}
.deadlink-result {
    margin-top: 10px;
    font-size: 14px;
}
.deadlink-item {
    padding: 6px 0;
    border-bottom: 1px solid #eee;
}
.deadlink-item a { color: #f44336; }
.deadlink-item .from-page { font-size: 12px; color: #888; }
</style>

<div class="deadlink-scanner" id="deadlink-scanner">
    <h3>🔍 死链全站扫描</h3>
    <p style="color:#888;font-size:13px;">扫描所有页面的内部链接，找出指向不存在页面的死链。</p>
    <button class="scan-btn" id="scan-start">开始扫描</button>
    <div class="deadlink-progress" id="scan-progress">
        <div class="deadlink-progress-bar" id="scan-progress-bar"></div>
    </div>
    <div class="deadlink-result" id="scan-result"></div>
</div>

<script>
(function() {
    var $startBtn = document.getElementById('scan-start');
    var $progress = document.getElementById('scan-progress');
    var $progressBar = document.getElementById('scan-progress-bar');
    var $result = document.getElementById('scan-result');

    var allPages = [];
    var deadLinks = [];
    var checkedCount = 0;

    $startBtn.addEventListener('click', function() {
        $startBtn.disabled = true;
        $startBtn.textContent = '扫描中...';
        $progress.style.display = 'block';
        $progressBar.style.width = '0%';
        $result.innerHTML = '';
        deadLinks = [];
        checkedCount = 0;

        // 第一步：获取所有页面
        fetchAllPages();
    });

    function fetchAllPages(apcontinue) {
        var url = mw.util.wikiScript('api') + '?action=query&list=allpages&aplimit=500&format=json&origin=*';
        if (apcontinue) url += '&apcontinue=' + encodeURIComponent(apcontinue);

        fetch(url)
            .then(function(res) { return res.json(); })
            .then(function(data) {
                if (data.query && data.query.allpages) {
                    data.query.allpages.forEach(function(page) {
                        allPages.push(page.title);
                    });
                    if (data.continue && data.continue.apcontinue) {
                        fetchAllPages(data.continue.apcontinue);
                    } else {
                        // 全部页面获取完毕，开始检查死链
                        checkDeadLinks();
                    }
                }
            });
    }

    function checkDeadLinks() {
        if (allPages.length === 0) {
            $result.innerHTML = '<p style="color:#999;">未找到任何页面。</p>';
            $startBtn.disabled = false;
            $startBtn.textContent = '开始扫描';
            return;
        }

        // 分批检查
        var batchSize = 10;
        var batchIndex = 0;

        function processBatch() {
            var batch = allPages.slice(batchIndex, batchIndex + batchSize);
            if (batch.length === 0) {
                // 全部完成
                showResults();
                return;
            }

            var promises = batch.map(function(page) {
                return checkPageLinks(page);
            });

            Promise.all(promises).then(function() {
                batchIndex += batchSize;
                checkedCount += batch.length;
                var progress = Math.round((checkedCount / allPages.length) * 100);
                $progressBar.style.width = progress + '%';
                $startBtn.textContent = '扫描中... (' + checkedCount + '/' + allPages.length + ')';
                setTimeout(processBatch, 200);
            });
        }

        processBatch();
    }

    function checkPageLinks(page) {
        return new Promise(function(resolve) {
            var url = mw.util.wikiScript('api') + '?action=parse&page=' + encodeURIComponent(page) + '&prop=links&format=json&origin=*';

            fetch(url)
                .then(function(res) { return res.json(); })
                .then(function(data) {
                    if (data.parse && data.parse.links) {
                        var links = data.parse.links;
                        var internalLinks = links.filter(function(l) {
                            return l.ns === 0 && !l.title.match(/^文件:|^MediaWiki:|^模板:|^Widget:|^分类:|^Module:|^用户:|^Project:|^Special:|^Media:|^Topic:/);
                        });

                        if (internalLinks.length === 0) {
                            resolve();
                            return;
                        }

                        // 批量检查这些内部链接是否存在
                        var titles = internalLinks.map(function(l) { return l.title; }).join('|');
                        var checkUrl = mw.util.wikiScript('api') + '?action=query&titles=' + encodeURIComponent(titles) + '&format=json&origin=*';

                        fetch(checkUrl)
                            .then(function(res) { return res.json(); })
                            .then(function(checkData) {
                                if (checkData.query && checkData.query.pages) {
                                    var pages = checkData.query.pages;
                                    for (var id in pages) {
                                        if (parseInt(id) < 0) {
                                            deadLinks.push({
                                                from: page,
                                                to: pages[id].title
                                            });
                                        }
                                    }
                                }
                                resolve();
                            })
                            .catch(function() { resolve(); });
                    } else {
                        resolve();
                    }
                })
                .catch(function() { resolve(); });
        });
    }

    function showResults() {
        $startBtn.disabled = false;
        $startBtn.textContent = '开始扫描';
        $progress.style.display = 'none';

        if (deadLinks.length === 0) {
            $result.innerHTML = '<p style="color:#4CAF50;">✅ 未发现死链，所有链接正常！</p>';
            return;
        }

        // 按来源页面分组
        var grouped = {};
        deadLinks.forEach(function(item) {
            if (!grouped[item.from]) grouped[item.from] = [];
            grouped[item.from].push(item.to);
        });

        var html = '<p style="color:#f44336;">⚠️ 发现 <b>' + deadLinks.length + '</b> 条死链，分布在 <b>' + Object.keys(grouped).length + '</b> 个页面：</p>';
        for (var from in grouped) {
            html += '<div class="deadlink-item">';
            html += '<b><a href="/w/' + encodeURIComponent(from) + '" target="_blank">' + from + '</a></b>';
            html += ' 中引用了不存在的：';
            grouped[from].forEach(function(to) {
                html += '<a href="/w/' + encodeURIComponent(to) + '?action=edit" target="_blank" style="margin-right:8px;">' + to + '</a>';
            });
            html += '</div>';
        }
        $result.innerHTML = html;
    }
})();
</script>
</includeonly>