return words

app/controllers/api/v1/ocr_controller.rb

@@ -5,28 +5,11 @@ class Api::V1::OcrController < ApplicationController
   API_URL = 'http://apis.baidu.com/idl_baidu/baiduocrpay/idlocrpaid'
 
   def index
-    img = Magick::Image.read('/Users/twer/Desktop/1.jpg')
-    ap img
-    image_base_str = Base64.strict_encode64(IO.read('/Users/twer/Desktop/1.jpg'))
-    # conn = Faraday.new(:url => API_URL) do |faraday|
-    #   faraday.request :url_encoded
-    #   faraday.request :multipart
-    #   faraday.response :logger
-    #   faraday.adapter Faraday.default_adapter
-    # end
-    # response = conn.post do |req|
-    #   req.url '/idl_baidu/baiduocrpay/idlocrpaid'
-    #   req.headers['apikey'] = BAIDU_KEY
-    #   req.body = {fromdevice: 'pc',
-    #               clientip: '10.10.10.0',
-    #               detecttype: 'LocateRecognize',
-    #               languagetype: 'CHN_ENG',
-    #               imagetype: '2',
-    #               # image: 'http://apistore.baidu.com/idlapi/img_demo_data/ocr/LocateRecognize//62.jpg'
-    #               image: Faraday::UploadIO.new('/Users/twer/Desktop/1.jpg', 'image/jpeg')
-    #   }
-    # end
-    url = 'http://apistore.baidu.com/idlapi/img_demo_data/ocr/LocateRecognize//62.jpg'
+    # img = imgs.first.threshold(Magick::QuantumRange*0.35)
+    Magick::Image.read('/Users/twer/Desktop/61.jpg').first.minify.write('/Users/twer/Desktop/4.jpg')
+    image_base_str = Base64.strict_encode64(IO.read('/Users/twer/Desktop/4.jpg'))
+
+
     response = RestClient::Request.execute(method: :post, url: API_URL,
                                            timeout: 10,
                                            headers: {apikey: BAIDU_KEY},
@@ -40,7 +23,16 @@ class Api::V1::OcrController < ApplicationController
                                              })
     json = JSON.parse(response.body)
     ap json
-    render text: json
+    if json["retData"].length != 0
+      words = ""
+      json["retData"].each do |line|
+        words += line["word"]
+      end
+      render json: {words: words}
+    else
+      render json: {words: '识别失败'}, status: 400
+    end
+
   end
 
 end