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				@@ -275,6 +275,23 @@ function getStoragePath($path) { 
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				 } 
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				 function getFileView($path) { 
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				+ 
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				     $complete_path = "https://report.jinjianghc.com/" . getStoragePath($path); 
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				     return "https://fileview.jinjianghc.com/onlinePreview?url=" . base64_encode($complete_path); 
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				 } 
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				+ 
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				+function isImage($filename) 
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				+{ 
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				+    $types = '.gif|.jpeg|.png|.bmp'; //定义检查的图片类型 
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				+    if(file_exists($filename)) 
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				+    { 
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				+        if ($info = getimagesize($filename)) return 0; 
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				+ 
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				+        $ext = image_type_to_extension($info['2']); 
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				+        return stripos($types,$ext); 
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				+    } 
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				+    else 
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				+    { 
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				+        return false; 
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				+    } 
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				+} 
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