修改

src/main/java/org/rcisoft/core/util/CheckFileHeaderUtil.java

@@ -20,32 +20,42 @@ public class CheckFileHeaderUtil {
         return stringBuilder.toString();
     }
 
-    public String toCheck(String url){
+    /**
+     * 通过本地地址去判断文件类型
+     * @param url
+     * @return
+     */
+    public boolean toCheck(String url){
         String result = "";
         try{
             FileInputStream is = new FileInputStream(url);
-            byte[] b = new byte[3];
+            byte[] b = new byte[45];
             is.read(b, 0, b.length);
             result = this.checkType(bytesToHexString(b).toUpperCase());
             is.close();
         }catch (Exception e){
             log.debug(e.getMessage());
         }
-        return result;
+        if(result.toUpperCase().contains(url.substring(url.lastIndexOf(".")+1).toUpperCase())){
+            return true;
+        }else {
+            return false;
+        }
     }
 
     public static String checkType(String type) {
         switch (type) {
-            case "504B03": return "pptx、docx";
-            case "D0CF11": return "ppt、doc";
-            case "494433": return "mp3";
-            case "255044": return "pdf";
-            case "FFD8FF": return "jpg";
-            case "89504E": return "png";
-            case "474946": return "gif";
-            case "000000": return "mp4";
-            case "524946": return "avi";
-            case "E783A6": return "txt";
+            case "504B030414000600080000002100DFCC18F5AD010000460C0000130008025B436F6E74656E745F54797065735D": return "pptx";
+            case "504B0304140006000800000021004ABC02716D01000028060000130008025B436F6E74656E745F54797065735D": return "docx";
+            case "D0CF11E0A1B11AE1000000000000000000000000000000003E000300FEFF090006000000000000000000000001": return "doc";
+            case "D0CF11E0A1B11AE1000000000000000000000000000000003E000300FEFF090006000000000000000000000003": return "ppt";
+            case "4944330300000000054054414C420000000100000054594552000000010000005452434B000000010000005443": return "mp3";
+            case "255044462D312E350D0A25B5B5B5B50D0A312030206F626A0D0A3C3C2F547970652F436174616C6F672F506167": return "pdf";
+            case "FFD8FFE000104A46494600010101004800480000FFDB0043000302020302020303030304030304050805050404": return "jpg";
+            case "89504E470D0A1A0A0000000D49484452000000EC000000880806000000E4B6075800000006624B474400FF00FF": return "png";
+            case "000000206674797069736F6D0000020069736F6D69736F32617663316D70343100000008667265650014359C6D": return "mp4";
+            case "E783A6E783A6E783A6E783A6E783A6E783A6E783A6E783A6E783A6E783A6E783A6E783A6E783A6E783A6E783A6": return "txt";
+            case "504B0304140000000800A473374F5424F3E6576D09003D5C0B0008000000746573742E6D703444597540144D1B": return "zip";
             default: return "other";
         }
     }