const WeatherReport = (function () { const BASE_WIND_COUNT = 10; const SPOT_CHECK_COUNT = 5; const AREA_TYPE_MAP = { urban: "城市", rural: "农村", }; const SUITABILITY_MAP = { a: "不利于污染物的扩散和稀释，适宜于进行无组织排放监测", b: "较不利于污染物的扩散和稀释，较适宜于进行无组织排放监测", c: "有利于污染物的扩散和稀释，较不适宜于进行无组织排放监测", d: "很有利于污染物的扩散和稀释，不适宜于进行无组织排放监测", wind0: "静风", overall0: "取消监测或改期", }; function formatDate(dateStr) { const d = new Date(dateStr); const y = d.getFullYear(); const m = String(d.getMonth() + 1).padStart(2, "0"); const day = String(d.getDate()).padStart(2, "0"); return `${y}-${m}-${day}`; } function getSuitabilityText(value, type) { const normalized = String(value).toLowerCase(); if (type === "wind" && normalized === "0") return SUITABILITY_MAP.wind0; if (type === "overall" && normalized === "0") return SUITABILITY_MAP.overall0; return SUITABILITY_MAP[normalized] || value; } function formatTime(hours, min) { return `${hours}:${String(min).padStart(2, "0")}`; } function joinWithComma(arr, start, end) { return arr.slice(start, end).map((v) => v ?? "").join("，"); } function buildReportHTML(data) { const staticPrefix = window.staticPrefix || '/static'; const timeStr = `${formatDate(data.date)} ${formatTime(data.hours, data.min)}`; const version = data.version || "unknown"; let html = ` 总体适宜度测量报表

总体适宜度测量报表

项目名称：

${data.title || "-"}

测试时间：

${timeStr}

检测类型：

${data.inspectionType || "-"}

委托单号：

${data.assignmentNumber || "-"}

经度：

E ${data.longitude || "-"}

纬度：

N ${data.latitude || "-"}

日期序数：

${data.daySinceJanFirst}

太阳倾角：

${Number(data.solarDeclination).toFixed(2)}°

太阳高度角：

${Number(data.sunAltitude).toFixed(2)}°

总云量：

${data.overallCloudiness}

低云量：

${data.lowCloudiness}

辐射等级：

${data.solarRadiationLevel}

平均风速：

${data.averageWindSpeed} m/s

风速适宜度：

${data.windSpeedSuitability}

`; if (data.hasMeasuredWindSpeed === true) { html += `

实测风速：

${data.measuredWindSpeed} m/s

转换风速：

${data.convertedWindSpeed} m/s

`; } else { html += `

区域类型：

${AREA_TYPE_MAP[data.areaType] || data.areaType || "-"}

测点高度：

${data.pointHeight} m

点位风速：

${data.pointWindSpeed} m/s

推算风速：

${data.calculatedWindSpeed} m/s

`; } html += `

平均风向：

${data.averageWindDirection}°

风向标准差：

${data.windDirectionStandardDeviation}°

风向适宜度：

${data.windDirectionSuitability}

大气稳定度：

${data.atmosphericStability}

稳定度适宜度：

${data.suitabilityDegree}

总体适宜度：

${getSuitabilityText(data.overallSuitability, "overall")}

十次风速值：

${joinWithComma(data.windSpeed, 0, BASE_WIND_COUNT)}

十次风向值：

${joinWithComma(data.windDirection, 0, BASE_WIND_COUNT)}

`; if (data.hasSpotCheckWindSpeed) { html += `

抽测风速值：

${joinWithComma(data.windSpeed, BASE_WIND_COUNT, BASE_WIND_COUNT + SPOT_CHECK_COUNT)}

抽测风向值：

${joinWithComma(data.windDirection, BASE_WIND_COUNT, BASE_WIND_COUNT + SPOT_CHECK_COUNT)}

`; } html += `

`; return html; } function downloadPDF(htmlContent, filename) { const options = { margin: 10, filename: filename, image: { type: "jpeg", quality: 0.99 }, html2canvas: { scale: 2 }, jsPDF: { unit: "mm", format: "a4", orientation: "portrait" }, }; html2pdf().set(options).from(htmlContent).save(); } // 下载状态管理（供重试使用） let downloadState = { ready: false, html: null, filename: null, }; // 下载提示浮层 function showDownloadPrompt(type, message) { let overlay = document.getElementById("download-overlay"); if (!overlay) { overlay = document.createElement("div"); overlay.id = "download-overlay"; overlay.innerHTML = ` `; document.body.appendChild(overlay); } const msgEl = document.getElementById("dl-msg"); const retryEl = document.getElementById("dl-retry"); if (msgEl) msgEl.textContent = message; if (retryEl) { if (type === "loading" || type === "success") { retryEl.style.display = "none"; } else { retryEl.style.display = "inline-block"; } } } function hideDownloadPrompt() { const overlay = document.getElementById("download-overlay"); if (overlay) { overlay.style.opacity = "0"; setTimeout(() => { if (overlay) overlay.remove(); }, 300); } } function retryDownload() { if (!downloadState.ready || !downloadState.html || !downloadState.filename) { showDownloadPrompt("error", "数据未准备好，请刷新页面重试"); return; } downloadPDF(downloadState.html, downloadState.filename); showDownloadPrompt("success", "正在重新下载，请稍候..."); } function init() { if (typeof window.weatherData === "undefined") { console.error("错误：window.weatherData 未定义"); showDownloadPrompt("error", "数据加载失败，请刷新页面重试"); return; } const data = window.weatherData; console.log("【调试】从后端获取的 weatherData:", data); const versionEl = document.querySelector(".version"); if (versionEl) { versionEl.textContent = `版本号: ${data.version || "default"}`; } const html = buildReportHTML(data); const filename = `${data.id}-${data.version || "unknown"}.pdf`; // 保存下载状态，供重试使用 downloadState.ready = true; downloadState.html = html; downloadState.filename = filename; // 显示下载中提示 showDownloadPrompt("loading", "正在生成 PDF，请稍候..."); // 延迟执行下载，让用户看到提示 setTimeout(() => { downloadPDF(html, filename); // 显示成功提示，3秒后消失 showDownloadPrompt("success", "PDF 开始下载..."); setTimeout(() => hideDownloadPrompt(), 3000); // 额外等3秒，如果提示已消失（下载成功）则不再显示重试 // 如果提示还在（下载失败），则替换为重试按钮 setTimeout(() => { const overlay = document.getElementById("download-overlay"); if (overlay) { showDownloadPrompt("retry", "下载未开始，请点击重试"); } }, 3300); }, 300); } document.addEventListener("DOMContentLoaded", function () { if (typeof renderMathInElement === "function") { renderMathInElement(document.body, { delimiters: [ { left: "$$", right: "$$", display: true }, { left: "$", right: "$", display: false }, ], throwOnError: false, }); } init(); }); function toggleFormula(element) { const content = element.nextElementSibling; const isHidden = content.style.display === "none"; content.style.display = isHidden ? "block" : "none"; element.textContent = element.textContent.includes("▶") ? element.textContent.replace("▶", "▼") : element.textContent.replace("▼", "▶"); } function showNotification(message, type = "success") { const notification = document.getElementById("notification"); if (!notification) return; notification.textContent = message; notification.className = `notification ${type}`; notification.style.display = "block"; setTimeout(() => { notification.style.display = "none"; }, 3000); } return { buildReportHTML, downloadPDF, init, toggleFormula, showNotification, retryDownload, }; })();