修改裁剪的方法

src/background.js

 "use strict";
 import { ipcMain } from "electron";
-import { app, protocol, BrowserWindow, screen, globalShortcut } from "electron";
+import { app, protocol, BrowserWindow, globalShortcut } from "electron";
 import { createProtocol } from "vue-cli-plugin-electron-builder/lib";
 import { createServer } from "@/server/index.js";
 import { autoUpdater } from "electron-updater";
@@ -187,6 +187,8 @@ app.on("activate", async () => {
 
 app.on("ready", async () => {
   await createWindow();
+
+  checkMemorySetting();
   // 获取当前窗口的尺寸
   const { width, height } = win.getBounds();
   win.webContents.send("window-size", { width, height });
@@ -203,6 +205,23 @@ app.on("will-quit", () => {
   globalShortcut.unregister("CommandOrControl+R");
 });
 
+function checkMemorySetting() {
+  try {
+    const v8 = require("v8");
+    const heapStats = v8.getHeapStatistics();
+    const currentLimitMB = Math.floor(
+      heapStats.heap_size_limit / (1024 * 1024)
+    );
+    console.log(`当前堆内存限制: ${currentLimitMB}MB`);
+
+    if (currentLimitMB < 4096) {
+      console.warn("内存设置不足，建议重启应用");
+    }
+  } catch (error) {
+    console.error("无法检查内存设置", error);
+  }
+}
+
 if (isDevelopment) {
   if (process.platform === "win32") {
     process.on("message", (data) => {

src/server/entity/function.js

@@ -44,41 +44,38 @@ function readEnv() {
 }
 readEnv();
 export default {
-  saveImgByUrl:async (req, res) => {
+  saveImgByUrl: async (req, res) => {
     try {
       const response = await axios({
-        url:req.body.url,
-        method: 'GET',
-        responseType: 'stream',
+        url: req.body.url,
+        method: "GET",
+        responseType: "stream",
       });
       let fileName = uuid.v4() + ".png";
-    const filePath =   path.join(
-        process.cwd(),
-        "./print/Input/" +fileName
-      );
+      const filePath = path.join(process.cwd(), "./print/Input/" + fileName);
       const writer = fs.createWriteStream(filePath);
 
       response.data.pipe(writer);
 
-      writer.on('finish', () => {
+      writer.on("finish", () => {
         res.json({
           code: 200,
-          data:filePath
-        })
+          data: filePath,
+        });
       });
 
-      writer.on('error', (err) => {
+      writer.on("error", (err) => {
         res.json({
           code: 500,
-          data:err.message
-        })
+          data: err.message,
+        });
       });
     } catch (error) {
-      console.error('Error downloading image:', error);
+      console.error("Error downloading image:", error);
       res.json({
         code: 500,
-        data:error.message
-      })
+        data: error.message,
+      });
     }
   },
   writePrintLog: async (req, res) => {
@@ -333,14 +330,13 @@ export default {
       });
   },
   checkUpdate: async (req, res) => {
-    console.log("version", req.query.version);
     const company = "https://admin.jomalls.com";
     try {
       let q = `${company}/api/manage/rest/app/checkUpdate?version=${req.query.version}&businessType=production_assistant`;
 
       let { data } = await axios.get(q);
-      console.log("q", q);
-      console.log("data", data);
+      // console.log("q", q);
+      // console.log("data", data);
 
       if (data.data) {
         q = `${company}/api/manage/rest/app/getLatest?businessType=production_assistant`;
@@ -447,7 +443,7 @@ export default {
     let url = "https://factory.jomalls.com/api/logisticsAddress/getAllCountry";
     try {
       let { data } = await axios.get(url, { headers: { "jwt-token": token } });
-      console.log(data);
+
       res.send(data);
     } catch (error) {
       console.log(error);

src/server/utils/setImage.js

@@ -12,13 +12,13 @@ const sharp = require("sharp");
  */
 async function cropImageTransparentEdges(inputPath, outputPath, options = {}) {
   const threshold = options.threshold || 10;
+  const blockSize = options.blockSize || 500; // 可调的块大小，根据内存调整
 
   // 确保输出目录存在
   const outputDir = path.dirname(outputPath);
   if (!fs.existsSync(outputDir)) {
     fs.mkdirSync(outputDir, { recursive: true });
   }
-  console.log(21, outputDir);
 
   try {
     // 读取图片信息
@@ -31,6 +31,8 @@ async function cropImageTransparentEdges(inputPath, outputPath, options = {}) {
       .toBuffer({ resolveWithObject: true });
 
     const { width, height, channels } = info;
+    console.log("width", width);
+    console.log("height", height);
 
     // 找到图片的边界
     let topmost = height;
@@ -38,17 +40,44 @@ async function cropImageTransparentEdges(inputPath, outputPath, options = {}) {
     let leftmost = width;
     let rightmost = 0;
 
-    for (let y = 0; y < height; y++) {
-      for (let x = 0; x < width; x++) {
-        const alphaIdx = (y * width + x) * channels + channels - 1;
-        const alpha = data[alphaIdx];
-
-        // 如果像素不是透明的（根据阈值）
-        if (alpha > threshold) {
-          topmost = Math.min(topmost, y);
-          bottommost = Math.max(bottommost, y);
-          leftmost = Math.min(leftmost, x);
-          rightmost = Math.max(rightmost, x);
+    // for (let y = 0; y < height; y++) {
+    //   for (let x = 0; x < width; x++) {
+    //     const alphaIdx = (y * width + x) * channels + channels - 1;
+    //     const alpha = data[alphaIdx];
+
+    //     // 如果像素不是透明的（根据阈值）
+    //     if (alpha > threshold) {
+    //       topmost = Math.min(topmost, y);
+    //       bottommost = Math.max(bottommost, y);
+    //       leftmost = Math.min(leftmost, x);
+    //       rightmost = Math.max(rightmost, x);
+    //     }
+    //   }
+    // }
+
+    const alphaIndexOffset = channels - 1; // alpha channel
+    // 分块扫描
+    for (let yStart = 0; yStart < height; yStart += blockSize) {
+      for (let xStart = 0; xStart < width; xStart += blockSize) {
+        const blockHeight = Math.min(blockSize, height - yStart);
+        const blockWidth = Math.min(blockSize, width - xStart);
+
+        for (let y = 0; y < blockHeight; y++) {
+          for (let x = 0; x < blockWidth; x++) {
+            const alphaIdx =
+              ((yStart + y) * width + (xStart + x)) * channels +
+              alphaIndexOffset;
+            const alpha = data[alphaIdx];
+
+            // 判断透明度是否大于阈值
+            if (alpha > threshold) {
+              // 更新边界
+              topmost = Math.min(topmost, yStart + y);
+              bottommost = Math.max(bottommost, yStart + y);
+              leftmost = Math.min(leftmost, xStart + x);
+              rightmost = Math.max(rightmost, xStart + x);
+            }
+          }
         }
       }
     }
@@ -67,7 +96,8 @@ async function cropImageTransparentEdges(inputPath, outputPath, options = {}) {
     // 计算裁切区域
     const cropWidth = rightmost - leftmost + 1;
     const cropHeight = bottommost - topmost + 1;
-
+    console.log("metadatawidth", metadata.width);
+    console.log("metadataheight", metadata.height);
     // 裁切并保存图片
     await sharp(inputPath)
       .extract({
@@ -188,6 +218,8 @@ async function processImages(inputPath, outputPath, options = {}) {
   }
 }
 
+// 分区边界检测实现
+
 module.exports = {
   cropTransparentEdges,
   cropImageTransparentEdges,

src/views/design/head/index.vue

@@ -17,10 +17,10 @@ export default {
   components: { PrintDialog, UpdateDialog },
   props: {
     user: {
-      default: {
+      default: () => ({
         avatar: "",
         factory: {},
-      },
+      }),
       type: Object,
     },
     factoryType: { type: String, default: "CN" },
@@ -298,7 +298,7 @@ export default {
       return new Promise(async (resolve, reject) => {
         try {
           let res = await this.$api.post("/saveImgByUrl", { url });
-          console.log(res);
+
           resolve(res.data);
         } catch (e) {
           reject(e.message);
@@ -409,11 +409,11 @@ export default {
           type: "warning",
         });
 
-      try {
-        this.cleanDirectorySync();
-      } catch (error) {
-        console.error("清理目录时发生错误:", error.message);
-      }
+      // try {
+      //   this.cleanDirectorySync();
+      // } catch (error) {
+      //   console.error("清理目录时发生错误:", error.message);
+      // }
 
       try {
         //查找生产单号信息传给第二个显示器

src/views/design/main/index.vue

@@ -246,6 +246,7 @@ export default {
       if (typeof this.detail.imageAry == "string") {
         this.detail.imageAry = JSON.parse(this.detail.imageAry);
       }
+      console.log(249, this.detail.imageAry);
     },
     changeCheckFn(value) {
       console.log("check", value);
@@ -1019,7 +1020,6 @@ export default {
       try {
         let { data } = await this.$api.post("/getAllCountry");
         this.$store.commit("setCountry", data);
-        console.log(991, this.countryList);
       } catch (error) {
         console.log(error);
       }