修正圖像初始化錯誤

bin/main.go

@@ -543,7 +543,11 @@ func main() {
 			return
 		}
 		var img models.Image
-		img.Init(content)
+		if err := img.Init(content); err != nil {
+			log.Println("初始化图片失败", format, err)
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
 		data, err := img.ToWebP(width, height, fit)
 		if err != nil {
 			log.Println("转换图片失败", err)
@@ -575,7 +579,11 @@ func main() {
 			return
 		}
 		var img models.Image
-		img.Init(content)
+		if err := img.Init(content); err != nil {
+			log.Println("初始化图片失败", version, format, err)
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
 		data, err := img.ToWebP(width, height, fit)
 		if err != nil {
 			log.Println("转换图片失败", err)

bin/ocr.py

@@ -0,0 +1,68 @@
+# python 實現圖片文字辨識(ocr)
+
+import pytesseract
+from PIL import Image
+
+# 設置tesseract執行文件的路徑(linux)
+pytesseract.pytesseract.tesseract_cmd = '/usr/bin/tesseract'
+
+# 設置提取中文和英文
+
+
+# 讀取圖片
+image = Image.open('data/tt.jpeg')
+
+# 圖片轉為灰度圖
+image = image.convert('L')
+
+# 圖片二值化
+threshold = 127
+table = []
+for i in range(256):
+    if i < threshold:
+        table.append(0)
+    else:
+        table.append(1)
+image = image.point(table, '1')
+
+# 圖片轉為字符串
+#text = pytesseract.image_to_string(image, lang='chi_sim+eng')
+#print(text)
+#
+#data = pytesseract.image_to_boxes(image, lang='chi_sim+eng')
+#print(data)
+
+# 座標(全數據)
+#data = pytesseract.image_to_data(image, lang='chi_sim+eng')
+#print(data)
+
+data = pytesseract.image_to_alto_xml(image, lang='chi_sim+eng')
+#print(data)
+
+## 打印格式化的XML
+#from xml.dom.minidom import parseString
+#dom = parseString(data)
+#print(dom.toprettyxml())
+
+# 打印格式化的JSON
+import json
+from xmljson import badgerfish as bf
+from xml.etree.ElementTree import fromstring
+
+# 過濾掉@CONTENT爲空的數據和爲數字的數據
+def filter_data(data):
+    if isinstance(data, dict):
+        if '@CONTENT' in data:
+            if data['@CONTENT'] == '' or data['@CONTENT'].isdigit():
+                return None
+        for k, v in data.items():
+            if isinstance(v, dict):
+                data[k] = filter_data(v)
+            elif isinstance(v, list):
+                data[k] = [filter_data(i) for i in v]
+    return data
+
+xml = fromstring(data)
+json = json.dumps(bf.data(xml), indent=4, ensure_ascii=False)
+print(json)
+