protected override void Execute(CodeActivityContext context)
{
string path = FileName.Get(context);
string API_KEY = APIKey.Get(context);
string SECRET_KEY = SecretKey.Get(context);
img = image.Get(context);
try
{
if (path != null)
{
by = SaveImage(path);
}
else
{
by = ConvertImageToByte(img);
}
var client = new Ocr(API_KEY, SECRET_KEY);
//修改超时时间
client.Timeout = 60000;
//参数设置
var options = new Dictionary <string, object>
{
{ "detect_direction", detect_direction.ToString().ToLower() },
{ "detect_language", detect_language.ToString().ToLower() }
};
//带参数调用网络图片文字识别
string result = client.WebImage(by, options).ToString();
Result.Set(context, result);
}
catch (Exception e)
{
SharedObject.Instance.Output(SharedObject.enOutputType.Error, "有一个错误产生", e.Message);
}
}
private void button2_Click(object sender, EventArgs e)
{
if (textBox1.Text == null || textBox1.Text == "")
{
MessageBox.Show("请选择图片");
return;
}
var image = File.ReadAllBytes(textBox1.Text);
// 调用网络图片文字识别, 图片参数为本地图片，可能会抛出网络等异常，请使用try/catch捕获
var options = new Dictionary <string, object>();
if (checkBox2.Checked)
{
options.Add("detect_direction", "true");
}
var result = client.WebImage(image, options);
String printresult = "";
//输出结果
JArray arr = (JArray)result["words_result"];
foreach (var item in arr) //循环获取值
{
var jo = (JObject)item;
printresult = printresult + Convert.ToString(jo["words"]) + "\n";
}
richTextBox2.Text = printresult;
}
/// <summary>
/// 调用网络图片文字识别, 图片参数为本地图片
/// </summary>
/// <param name="path">图片路径</param>
/// <returns>list集合一行一个值</returns>
public List <string> WebImage(string path)
{
List <string> contents = new List <string>();
var image = File.ReadAllBytes(path);
// 调用网络图片文字识别, 图片参数为本地图片，可能会抛出网络等异常，请使用try/catch捕获
var result = client.WebImage(image);
// 如果有可选参数
Dictionary <string, object> options = new Dictionary <string, object>();
options.Add("detect_direction", "true");
options.Add("detect_language", "true");
// 带参数调用网络图片文字识别, 图片参数为本地图片
result = client.WebImage(image, options);
string content = result["words_result"].ToString();
JArray jarray = JArray.Parse(content);
for (int i = 0; i < jarray.Count; i++)
{
JObject jobject = JObject.Parse(jarray[i].ToString());
string hang = jobject["words"].ToString();
contents.Add(hang);
}
return(contents);
}
