update at 2026-02-08 22:31:25

miniprogram/utils/mp/file-export.js

@@ -25,6 +25,17 @@ async function saveSvgToUserPath(svgText, fontName, text) {
   return writeTextToUserPath(svgText, 'svg', filename)
 }
 
+function saveSvgToUserPathSync(svgText, fontName, text) {
+  const filename = buildFilename(fontName, text, 'svg')
+  const filePath = `${wx.env.USER_DATA_PATH}/${filename}`
+  const fs = wx.getFileSystemManager()
+  fs.writeFileSync(filePath, svgText, 'utf8')
+  return {
+    filePath,
+    fileName: filename,
+  }
+}
+
 async function shareLocalFile(filePath, fileName) {
   if (typeof wx.shareFileMessage !== 'function') {
     throw new Error('当前微信版本不支持文件分享')
@@ -40,10 +51,29 @@ async function shareLocalFile(filePath, fileName) {
   })
 }
 
+function shareSvgFromUserTap(svgText, fontName, text) {
+  if (typeof wx.shareFileMessage !== 'function') {
+    throw new Error('当前微信版本不支持文件分享')
+  }
+
+  const { filePath, fileName } = saveSvgToUserPathSync(svgText, fontName, text)
+
+  return new Promise((resolve, reject) => {
+    wx.shareFileMessage({
+      filePath,
+      fileName,
+      success: resolve,
+      fail: reject,
+    })
+  })
+}
+
 module.exports = {
   sanitizeFilename,
   buildFilename,
   writeTextToUserPath,
   saveSvgToUserPath,
+  saveSvgToUserPathSync,
   shareLocalFile,
+  shareSvgFromUserTap,
 }