3/24 读取文件优化1.0

api-admin/src/main/java/com/glxp/sale/admin/controller/sync/SpsSyncDataController.java

@@ -40,6 +40,7 @@ import org.springframework.web.client.RestTemplate;
 
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
+import java.io.BufferedReader;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
@@ -268,19 +269,15 @@ public class SpsSyncDataController {
 
     private String readDataFile(String cacheFilePath) {
         // 读取文件数据
-        try {
-            FileReader reader = new FileReader(cacheFilePath);
-            StringBuilder str = new StringBuilder();
-            int data;
-            while ((data = reader.read()) != -1) {
-                str.append((char) data);
-            }
-            reader.close();
+        try (BufferedReader reader = new BufferedReader(new FileReader(cacheFilePath))) {
+            StringBuilder str = new StringBuilder(1024);
+            String line;
+            while ((line = reader.readLine()) != null) {
+                str.append(line);
+            }
             return str.toString();
-        } catch (FileNotFoundException e) {
-            throw new RuntimeException("系统异常，未找到对应数据文件");
-        } catch (IOException e) {
-            throw new RuntimeException(e);
+        } catch (IOException e) { // 3. 合并异常处理
+            throw new RuntimeException("文件读取失败: " + e.getMessage(), e);
         }
     }