u

code/base-project/base-springboot/pom.xml

@@ -46,6 +46,11 @@
     </dependencyManagement>
 
     <dependencies>
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>okhttp</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>

code/base-project/base-springboot/src/main/java/cn/g3soft/Test.java

@@ -0,0 +1,143 @@
+package cn.g3soft;
+
+import okhttp3.*;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+import javax.imageio.IIOImage;
+import javax.imageio.ImageIO;
+import javax.imageio.ImageWriteParam;
+import javax.imageio.ImageWriter;
+import javax.imageio.stream.ImageOutputStream;
+
+import java.awt.image.BufferedImage;
+import java.io.*;
+import java.util.Base64;
+
+public class Test {
+
+    public static void main(String[] args) throws IOException {
+        String API_URL = "http://localhost:8866/ocr";
+        String imagePath = "D:\\code\\python-project\\boxocr\\conno\\6ffd244b-1d27-4084-998b-e4d7ac076c5f.jpg";
+
+        // 压缩并限制最大500KB大小
+        long maxSizeBytes = 500 * 1024;
+
+        long compressStart = System.currentTimeMillis();
+        byte[] compressedBytes = compressImageToMaxSize(imagePath, maxSizeBytes);
+        long compressEnd = System.currentTimeMillis();
+        System.out.println("Image compression time: " + (compressEnd - compressStart) + " ms");
+        System.out.println("Compressed image size: " + compressedBytes.length + " bytes");
+
+        String base64Image = Base64.getEncoder().encodeToString(compressedBytes);
+
+        ObjectMapper objectMapper = new ObjectMapper();
+        ObjectNode payload = objectMapper.createObjectNode();
+        payload.put("file", "http://117.72.182.135:9000/api/v1/download-shared-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");
+        payload.put("fileType", 1);
+
+        OkHttpClient client = new OkHttpClient.Builder()
+                .connectTimeout(0, java.util.concurrent.TimeUnit.MILLISECONDS)
+                .readTimeout(0, java.util.concurrent.TimeUnit.MILLISECONDS)
+                .writeTimeout(0, java.util.concurrent.TimeUnit.MILLISECONDS)
+                .build();
+
+        MediaType JSON = MediaType.get("application/json; charset=utf-8");
+        RequestBody body = RequestBody.create(JSON, payload.toString());
+
+        long ocrStart = System.currentTimeMillis();
+        Request request = new Request.Builder()
+                .url(API_URL)
+                .post(body)
+                .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            long ocrEnd = System.currentTimeMillis();
+            System.out.println("OCR request elapsed time: " + (ocrEnd - ocrStart) + " ms");
+
+            if (response.isSuccessful()) {
+                String responseBody = response.body().string();
+                JsonNode root = objectMapper.readTree(responseBody);
+                JsonNode result = root.get("result");
+
+                JsonNode ocrResults = result.get("ocrResults");
+                for (int i = 0; i < ocrResults.size(); i++) {
+                    JsonNode item = ocrResults.get(i);
+
+                    JsonNode prunedResult = item.get("prunedResult");
+                    System.out.println("Pruned Result [" + i + "]: " + prunedResult.toString());
+
+                    // 提取 rec_texts 和 rec_scores
+                    JsonNode recTextsNode = prunedResult.get("rec_texts");
+                    JsonNode recScoresNode = prunedResult.get("rec_scores");
+
+                    if (recTextsNode != null && recScoresNode != null && recTextsNode.isArray() && recScoresNode.isArray()) {
+                        System.out.println("rec_texts:");
+                        for (JsonNode textNode : recTextsNode) {
+                            System.out.println("  " + textNode.asText());
+                        }
+                        System.out.println("rec_scores:");
+                        for (JsonNode scoreNode : recScoresNode) {
+                            System.out.println("  " + scoreNode.asDouble());
+                        }
+                    } else {
+                        System.out.println("rec_texts or rec_scores not found or invalid format.");
+                    }
+
+                    // 保存 OCR 图片为文件
+                    String ocrImageBase64 = item.get("ocrImage").asText();
+                    byte[] ocrImageBytes = Base64.getDecoder().decode(ocrImageBase64);
+                    String ocrImgPath = "ocr_result_" + i + ".jpg";
+
+                    try (FileOutputStream fos = new FileOutputStream(ocrImgPath)) {
+                        fos.write(ocrImageBytes);
+                        System.out.println("Saved OCR image to: " + ocrImgPath);
+                    }
+                }
+            } else {
+                System.err.println("Request failed with HTTP code: " + response.code());
+            }
+        }
+    }
+
+
+
+    /**
+     * 压缩图片，最大限制文件大小，不超过maxFileSizeBytes
+     * 通过递减压缩质量尝试实现大小限制，最低质量0.1
+     */
+    public static byte[] compressImageToMaxSize(String imagePath, long maxFileSizeBytes) throws IOException {
+        File file = new File(imagePath);
+        BufferedImage image = ImageIO.read(file);
+        if (image == null) {
+            throw new IOException("Failed to read image from " + imagePath);
+        }
+
+        ImageWriter jpgWriter = ImageIO.getImageWritersByFormatName("jpg").next();
+        ImageWriteParam jpgWriteParam = jpgWriter.getDefaultWriteParam();
+        jpgWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
+
+        float quality = 0.9f;
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+
+        while (quality >= 0.1f) {
+            baos.reset();
+            jpgWriteParam.setCompressionQuality(quality);
+
+            try (ImageOutputStream ios = ImageIO.createImageOutputStream(baos)) {
+                jpgWriter.setOutput(ios);
+                jpgWriter.write(null, new IIOImage(image, null, null), jpgWriteParam);
+            }
+
+            if (baos.size() <= maxFileSizeBytes) {
+                jpgWriter.dispose();
+                return baos.toByteArray();
+            }
+            quality -= 0.05f;
+        }
+        // 质量降至最低仍未达到限制，返回最后压缩结果
+        jpgWriter.dispose();
+        return baos.toByteArray();
+    }
+}

code/go-project/base-farmework/cmd/app/main.go

@@ -16,16 +16,14 @@ func main() {
 		log.Fatalf("加载配置失败: %v", err)
 	}
 
-	log.Printf("服务器启动在端口 %d", appConfig.Server.Port)
-
-	r := app.InitAppRouter()
-
 	err = appConfig.InitDBConfig("D:\\db.yaml")
 	if err != nil {
 		log.Fatalf("加载数据库配置失败： %v", err)
 		return
 	}
 
+	r := app.InitAppRouter()
+
 	err = http.ListenAndServe(":"+strconv.Itoa(appConfig.Server.Port), r)
 	if err != nil {
 		log.Fatalf("server start failed: %v", err)

code/go-project/base-farmework/internal/app/api/test.go

@@ -6,6 +6,6 @@ import (
 )
 
 func InitTest(r *router.Router) {
-	
+	group := r.Group("/test")
-	r.GET("/test", handle.Test)
+	group.GET("/", handle.Test)
 }

code/go-project/base-farmework/internal/app/handle/test.go

@@ -2,11 +2,9 @@ package handle
 
 import (
 	"base-framework/pkg/router"
-	"net/http"
+	"base-framework/pkg/utils/response"
 )
 
 func Test(c *router.Context) {
-	c.JSON(http.StatusOK, map[string]string{
+	response.Success(c).Send()
-		"user_id": c.Param("id"),
-	})
 }

code/go-project/base-farmework/internal/app/router.go

@@ -10,9 +10,8 @@ func InitAppRouter() *router.Router {
 	r := router.NewRouter()
 
 	r.Use(middleware.Recover())
-	r.Use(middleware.Auth()).ExcludePaths("/login")
+	//r.Use(middleware.Auth()).ExcludePaths("/login")
 	r.Use(middleware.Logger())
-
 	initApi(r)
 
 	return r

code/go-project/base-farmework/pkg/middleware/logger.go

@@ -2,14 +2,18 @@ package middleware
 
 import (
 	"base-framework/pkg/router"
-	"log"
 	"time"
 )
 
 func Logger() router.HandlerFunc {
 	return func(c *router.Context) {
 		start := time.Now()
+		// 执行后续中间件和处理器
 		c.Next()
-		log.Printf("[%s] %s in %v", c.Request.Method, c.Request.URL.Path, time.Since(start))
+		elapsed := time.Since(start)
+		// 即使业务中断，这里也能执行，打印耗时
+		path := c.Request.URL.Path
+		method := c.Request.Method
+		println(method, path, "耗时:", elapsed.String())
 	}
 }

code/go-project/base-farmework/pkg/utils/jwt.go

@@ -24,7 +24,6 @@ func CreateToken(orgID, userID string) (string, error) {
 		StandardClaims: jwt.StandardClaims{
 			ExpiresAt: expireTime,
 			IssuedAt:  time.Now().Unix(),
-			Issuer:    "your-app-name", // 可以自定义
 		},
 	}
 

code/go-project/base-farmework/pkg/utils/response/response.go

@@ -0,0 +1,100 @@
+package response
+
+import (
+	"base-framework/pkg/router"
+	"net/http"
+)
+
+// 统一响应结构体
+type Result struct {
+	Code    string      `json:"code"`
+	Message string      `json:"message"`
+	Data    interface{} `json:"data,omitempty"`
+}
+
+// 常量状态码
+const (
+	CodeSuccess = "0000"
+	CodeFail    = "9999"
+)
+
+// code 对应默认提示
+var codeMessages = map[string]string{
+	CodeSuccess: "请求成功",
+	CodeFail:    "请求失败",
+
+	"1001": "缺少用户ID",
+	"1002": "未授权",
+	"1003": "无权限访问",
+	"1004": "资源不存在",
+
+	"9000": "系统内部错误",
+}
+
+// 兜底提示
+const defaultMessage = "未知错误"
+
+// Builder 链式构造器
+type Builder struct {
+	c      *router.Context
+	result Result
+}
+
+// Success 构造成功响应
+func Success(c *router.Context) *Builder {
+	return &Builder{
+		c: c,
+		result: Result{
+			Code:    CodeSuccess,
+			Message: getMessage(CodeSuccess),
+		},
+	}
+}
+
+// Error 构造失败响应
+func Error(c *router.Context) *Builder {
+	return &Builder{
+		c: c,
+		result: Result{
+			Code:    CodeFail,
+			Message: getMessage(CodeFail),
+		},
+	}
+}
+
+// Code 设置状态码（自动填充默认提示，除非后面手动改）
+func (b *Builder) Code(code string) *Builder {
+	b.result.Code = code
+	if b.result.Message == "" || b.result.Message == getMessage(b.result.Code) {
+		b.result.Message = getMessage(code)
+	}
+	return b
+}
+
+// Message 设置提示消息（覆盖默认的）
+func (b *Builder) Message(msg string) *Builder {
+	b.result.Message = msg
+	return b
+}
+
+// Data 设置返回数据
+func (b *Builder) Data(data interface{}) *Builder {
+	b.result.Data = data
+	return b
+}
+
+// Send 发送响应
+func (b *Builder) Send() {
+	if b.result.Data == nil {
+		b.result.Data = ""
+	}
+	b.c.JSON(http.StatusOK, b.result)
+}
+
+// getMessage 获取状态码对应提示，兜底 defaultMessage
+func getMessage(code string) string {
+	if msg, ok := codeMessages[code]; ok {
+		return msg
+	}
+	return defaultMessage
+}

notes/后端开发/paddlepaddle/paddlex.md

@@ -263,24 +263,39 @@ POST /ocr
 **Java调用实例**
 
 ```java
+package cn.g3soft;
+
 import okhttp3.*;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 
-import java.io.File;
+import javax.imageio.IIOImage;
-import java.io.FileOutputStream;
+import javax.imageio.ImageIO;
-import java.io.IOException;
+import javax.imageio.ImageWriteParam;
+import javax.imageio.ImageWriter;
+import javax.imageio.stream.ImageOutputStream;
+
+import java.awt.image.BufferedImage;
+import java.io.*;
 import java.util.Base64;
 
-public class Main {
+public class Test {
-    public static void main(String[] args) throws IOException {
-        String API_URL = "http://localhost:8080/ocr";
-        String imagePath = "./demo.jpg";
 
-        File file = new File(imagePath);
+    public static void main(String[] args) throws IOException {
-        byte[] fileContent = java.nio.file.Files.readAllBytes(file.toPath());
+        String API_URL = "http://localhost:8866/ocr";
-        String base64Image = Base64.getEncoder().encodeToString(fileContent);
+        String imagePath = "D:\\code\\python-project\\boxocr\\100-2\\20241004082017A007.jpg";
+
+        // 压缩并限制最大500KB大小
+        long maxSizeBytes = 500 * 1024;
+
+        long compressStart = System.currentTimeMillis();
+        byte[] compressedBytes = compressImageToMaxSize(imagePath, maxSizeBytes);
+        long compressEnd = System.currentTimeMillis();
+        System.out.println("Image compression time: " + (compressEnd - compressStart) + " ms");
+        System.out.println("Compressed image size: " + compressedBytes.length + " bytes");
+
+        String base64Image = Base64.getEncoder().encodeToString(compressedBytes);
 
         ObjectMapper objectMapper = new ObjectMapper();
         ObjectNode payload = objectMapper.createObjectNode();
@@ -289,14 +304,18 @@ public class Main {
 
         OkHttpClient client = new OkHttpClient();
         MediaType JSON = MediaType.get("application/json; charset=utf-8");
-    RequestBody body = RequestBody.create(JSON, payload.toString());
+        RequestBody body = RequestBody.create(JSON, payload.toString());
 
+        long ocrStart = System.currentTimeMillis();
         Request request = new Request.Builder()
                 .url(API_URL)
                 .post(body)
                 .build();
 
         try (Response response = client.newCall(request).execute()) {
+            long ocrEnd = System.currentTimeMillis();
+            System.out.println("OCR request elapsed time: " + (ocrEnd - ocrStart) + " ms");
+
             if (response.isSuccessful()) {
                 String responseBody = response.body().string();
                 JsonNode root = objectMapper.readTree(responseBody);
@@ -309,9 +328,28 @@ public class Main {
                     JsonNode prunedResult = item.get("prunedResult");
                     System.out.println("Pruned Result [" + i + "]: " + prunedResult.toString());
 
+                    // 提取 rec_texts 和 rec_scores
+                    JsonNode recTextsNode = prunedResult.get("rec_texts");
+                    JsonNode recScoresNode = prunedResult.get("rec_scores");
+
+                    if (recTextsNode != null && recScoresNode != null && recTextsNode.isArray() && recScoresNode.isArray()) {
+                        System.out.println("rec_texts:");
+                        for (JsonNode textNode : recTextsNode) {
+                            System.out.println("  " + textNode.asText());
+                        }
+                        System.out.println("rec_scores:");
+                        for (JsonNode scoreNode : recScoresNode) {
+                            System.out.println("  " + scoreNode.asDouble());
+                        }
+                    } else {
+                        System.out.println("rec_texts or rec_scores not found or invalid format.");
+                    }
+
+                    // 保存 OCR 图片为文件
                     String ocrImageBase64 = item.get("ocrImage").asText();
                     byte[] ocrImageBytes = Base64.getDecoder().decode(ocrImageBase64);
                     String ocrImgPath = "ocr_result_" + i + ".jpg";
+
                     try (FileOutputStream fos = new FileOutputStream(ocrImgPath)) {
                         fos.write(ocrImageBytes);
                         System.out.println("Saved OCR image to: " + ocrImgPath);
@@ -322,6 +360,54 @@ public class Main {
             }
         }
     }
+
+    /**
+     * 压缩图片，最大限制文件大小，不超过maxFileSizeBytes
+     * 通过递减压缩质量尝试实现大小限制，最低质量0.1
+     */
+    public static byte[] compressImageToMaxSize(String imagePath, long maxFileSizeBytes) throws IOException {
+        File file = new File(imagePath);
+        BufferedImage image = ImageIO.read(file);
+        if (image == null) {
+            throw new IOException("Failed to read image from " + imagePath);
+        }
+
+        ImageWriter jpgWriter = ImageIO.getImageWritersByFormatName("jpg").next();
+        ImageWriteParam jpgWriteParam = jpgWriter.getDefaultWriteParam();
+        jpgWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
+
+        float quality = 0.9f;
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+
+        while (quality >= 0.1f) {
+            baos.reset();
+            jpgWriteParam.setCompressionQuality(quality);
+
+            try (ImageOutputStream ios = ImageIO.createImageOutputStream(baos)) {
+                jpgWriter.setOutput(ios);
+                jpgWriter.write(null, new IIOImage(image, null, null), jpgWriteParam);
+            }
+
+            if (baos.size() <= maxFileSizeBytes) {
+                jpgWriter.dispose();
+                return baos.toByteArray();
+            }
+            quality -= 0.05f;
+        }
+        // 质量降至最低仍未达到限制，返回最后压缩结果
+        jpgWriter.dispose();
+        return baos.toByteArray();
+    }
 }
+
 ```
 
+
+
+# 警告/报错
+
+## Please use PaddlePaddle with GPU version.
+
+原因：当前 PaddlePaddle 版本不是GPU的，而是CPU的。
+
+解决方法：安装GPU版本的PaddlePaddle