From 80292530d2b02a9779005888c960f6d231d35ed0 Mon Sep 17 00:00:00 2001
From: sladro <sladro@163.com>
Date: Thu, 18 Sep 2025 18:13:29 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D/api/export/model=E6=8E=A5?=
 =?UTF-8?q?=E5=8F=A3JSON=E6=A0=BC=E5=BC=8F=E9=94=99=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

核心修复:
- 修复路径字符串未转义导致JSON格式错误的问题
- 为所有字符串字段添加EscapeJsonString转义处理
- 移动EscapeJsonString函数定义位置，解决编译错误
- 确保输出JSON格式完全符合标准

技术改进:
- exportPath、originalFile、dirname、filename等路径字段正确转义反斜杠
- error_message字段转义特殊字符，避免JSON破损
- 修复Windows路径"D:\"变成"D:\\"的正确格式
- 解决编译器找不到标识符错误

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 MFCCreoDll.cpp | 91 +++++++++++++++++++++++++-------------------------
 1 file changed, 46 insertions(+), 45 deletions(-)

diff --git a/MFCCreoDll.cpp b/MFCCreoDll.cpp
index 94b2704..00a8d14 100644
--- a/MFCCreoDll.cpp
+++ b/MFCCreoDll.cpp
@@ -337,6 +337,41 @@ bool ExtractJsonBool(const std::string& json, const std::string& key) {
     return false;
 }
 
+// JSON字符串转义函数
+std::string EscapeJsonString(const std::string& str) {
+    std::string escaped = str;
+
+    // Replace backslashes
+    size_t pos = 0;
+    while ((pos = escaped.find("\\", pos)) != std::string::npos) {
+        escaped.replace(pos, 1, "\\\\");
+        pos += 2;
+    }
+
+    // Replace double quotes
+    pos = 0;
+    while ((pos = escaped.find("\"", pos)) != std::string::npos) {
+        escaped.replace(pos, 1, "\\\"");
+        pos += 2;
+    }
+
+    // Replace newlines
+    pos = 0;
+    while ((pos = escaped.find("\n", pos)) != std::string::npos) {
+        escaped.replace(pos, 1, "\\n");
+        pos += 2;
+    }
+
+    // Replace tabs
+    pos = 0;
+    while ((pos = escaped.find("\t", pos)) != std::string::npos) {
+        escaped.replace(pos, 1, "\\t");
+        pos += 2;
+    }
+
+    return escaped;
+}
+
 // 模型导出路由处理器
 HttpResponse ExportModelHandler(const HttpRequest& request) {
     if (request.method != "POST") {
@@ -388,22 +423,22 @@ HttpResponse ExportModelHandler(const HttpRequest& request) {
         json << "{"
              << "\"success\": true,"
              << "\"data\": {"
-             << "\"exportPath\": \"" << result.export_path << "\","
+             << "\"exportPath\": \"" << EscapeJsonString(result.export_path) << "\","
              << "\"fileSize\": \"" << result.file_size << "\","
              << "\"format\": \"" << result.format << "\","
              << "\"exportTime\": \"" << result.export_time << "\","
              << "\"software\": \"" << result.software << "\","
-             << "\"originalFile\": \"" << result.original_file << "\","
+             << "\"originalFile\": \"" << EscapeJsonString(result.original_file) << "\","
              << "\"details\": {"
-             << "\"dirname\": \"" << result.dirname << "\","
-             << "\"filename\": \"" << result.filename << "\","
+             << "\"dirname\": \"" << EscapeJsonString(result.dirname) << "\","
+             << "\"filename\": \"" << EscapeJsonString(result.filename) << "\","
              << "\"creoson_response\": {"
-             << "\"dirname\": \"" << result.dirname << "\","
-             << "\"filename\": \"" << result.filename << "\","
-             << "\"full_path\": \"" << result.export_path << "\""
-             << "}"     // 结束 creoson_response
-             << "}"     // 结束 details
-             << "},"    // 结束 data
+             << "\"dirname\": \"" << EscapeJsonString(result.dirname) << "\","
+             << "\"filename\": \"" << EscapeJsonString(result.filename) << "\","
+             << "\"full_path\": \"" << EscapeJsonString(result.export_path) << "\""
+             << "}"
+             << "}"
+             << "},"
              << "\"error\": null"
              << "}";
         response.body = json.str();
@@ -412,7 +447,7 @@ HttpResponse ExportModelHandler(const HttpRequest& request) {
         json << "{"
              << "\"success\": false,"
              << "\"data\": null,"
-             << "\"error\": \"" << result.error_message << "\""
+             << "\"error\": \"" << EscapeJsonString(result.error_message) << "\""
              << "}";
         response.body = json.str();
         response.status_code = 500;
@@ -421,40 +456,6 @@ HttpResponse ExportModelHandler(const HttpRequest& request) {
     return response;
 }
 
-// JSON字符串转义函数
-std::string EscapeJsonString(const std::string& str) {
-    std::string escaped = str;
-    
-    // 替换反斜杠
-    size_t pos = 0;
-    while ((pos = escaped.find("\\", pos)) != std::string::npos) {
-        escaped.replace(pos, 1, "\\\\");
-        pos += 2;
-    }
-    
-    // 替换双引号
-    pos = 0;
-    while ((pos = escaped.find("\"", pos)) != std::string::npos) {
-        escaped.replace(pos, 1, "\\\"");
-        pos += 2;
-    }
-    
-    // 替换换行符
-    pos = 0;
-    while ((pos = escaped.find("\n", pos)) != std::string::npos) {
-        escaped.replace(pos, 1, "\\n");
-        pos += 2;
-    }
-    
-    // 替换制表符
-    pos = 0;
-    while ((pos = escaped.find("\t", pos)) != std::string::npos) {
-        escaped.replace(pos, 1, "\\t");
-        pos += 2;
-    }
-    
-    return escaped;
-}
 
 // JSON数组解析函数
 std::vector<std::string> ExtractJsonArray(const std::string& json, const std::string& key) {