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oneao committed 2025-08-12 17:28:23 +08:00
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commit 9af3234672
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code/base-project/base-springboot/ocr_result_0.jpg
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code/base-project/base-springboot/pom.xml
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@@ -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/20241004082017A007.jpg
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code/base-project/base-springboot/src/main/java/cn/g3soft/Test.java
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@@ -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
+2 -4
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@@ -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
+2 -2
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@@ -6,6 +6,6 @@ import (
)
func InitTest(r *router.Router) {
r.GET("/test", handle.Test)
group := r.Group("/test")
group.GET("/", handle.Test)
}
code/go-project/base-farmework/internal/app/handle/test.go
+2 -4
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@@ -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{
"user_id": c.Param("id"),
})
response.Success(c).Send()
}
code/go-project/base-farmework/internal/app/router.go
+1 -2
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@@ -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
+6 -2
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@@ -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
-1
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@@ -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
+100
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@@ -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
+97 -11
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@@ -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 java.io.FileOutputStream;
import java.io.IOException;
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 Main {
public static void main(String[] args) throws IOException {
String API_URL = "http://localhost:8080/ocr";
String imagePath = "./demo.jpg";
public class Test {
File file = new File(imagePath);
byte[] fileContent = java.nio.file.Files.readAllBytes(file.toPath());
String base64Image = Base64.getEncoder().encodeToString(fileContent);
public static void main(String[] args) throws IOException {
String API_URL = "http://localhost:8866/ocr";
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