接口说明

public void GeneralBasicDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用通用文字识别, 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.GeneralBasic(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"language_type", "CHN_ENG"},
	    {"detect_direction", "true"},
	    {"detect_language", "true"},
	    {"probability", "true"}
	};
	// 带参数调用通用文字识别, 图片参数为本地图片
	result = client.GeneralBasic(image, options);
	Console.WriteLine(result);
}
public void GeneralBasicUrlDemo() {
	var url = "https//www.x.com/sample.jpg";
	
	// 调用通用文字识别, 图片参数为远程url图片，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.GeneralBasicUrl(url);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"language_type", "CHN_ENG"},
	    {"detect_direction", "true"},
	    {"detect_language", "true"},
	    {"probability", "true"}
	};
	// 带参数调用通用文字识别, 图片参数为远程url图片
	result = client.GeneralBasicUrl(url, options);
	Console.WriteLine(result);
}

{
"log_id": 2471272194,
"words_result_num": 2,
"words_result":
    [
        {"words": " TSINGTAO"},
        {"words": "青島睥酒"}
    ]
}

public void AccurateBasicDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用通用文字识别（高精度版），可能会抛出网络等异常，请使用try/catch捕获
	var result = client.AccurateBasic(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"detect_direction", "true"},
	    {"probability", "true"}
	};
	// 带参数调用通用文字识别（高精度版）
	result = client.AccurateBasic(image, options);
	Console.WriteLine(result);
}

public void GeneralDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用通用文字识别（含位置信息版）, 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.General(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"recognize_granularity", "big"},
	    {"language_type", "CHN_ENG"},
	    {"detect_direction", "true"},
	    {"detect_language", "true"},
	    {"vertexes_location", "true"},
	    {"probability", "true"}
	};
	// 带参数调用通用文字识别（含位置信息版）, 图片参数为本地图片
	result = client.General(image, options);
	Console.WriteLine(result);
}
public void GeneralUrlDemo() {
	var url = "https//www.x.com/sample.jpg";
	
	// 调用通用文字识别（含位置信息版）, 图片参数为远程url图片，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.GeneralUrl(url);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"recognize_granularity", "big"},
	    {"language_type", "CHN_ENG"},
	    {"detect_direction", "true"},
	    {"detect_language", "true"},
	    {"vertexes_location", "true"},
	    {"probability", "true"}
	};
	// 带参数调用通用文字识别（含位置信息版）, 图片参数为远程url图片
	result = client.GeneralUrl(url, options);
	Console.WriteLine(result);
}

{
"log_id": 3523983603,
"direction": 0, //detect_direction=true时存在
"words_result_num": 2,
"words_result": [
    {
        "location": {
            "left": 35,
            "top": 53,
            "width": 193,
            "height": 109
        },
        "words": "感动",
        "chars": [    //recognize_granularity=small时存在
            {
                "location": {
                    "left": 56,
                    "top": 65,
                    "width": 69,
                    "height": 88
                },
                "char": "感"
            },
            {
                "location": {
                    "left": 140,
                    "top": 65,
                    "width": 70,
                    "height": 88
                },
                "char": "动"
            }
        ]
    }
    ...
]
}

public void AccurateDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用通用文字识别（含位置高精度版），可能会抛出网络等异常，请使用try/catch捕获
	var result = client.Accurate(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"recognize_granularity", "big"},
	    {"detect_direction", "true"},
	    {"vertexes_location", "true"},
	    {"probability", "true"}
	};
	// 带参数调用通用文字识别（含位置高精度版）
	result = client.Accurate(image, options);
	Console.WriteLine(result);
}

{
"log_id": 3523983603,
"direction": 0, //detect_direction=true时存在
"words_result_num": 2,
"words_result": [
    {
        "location": {
            "left": 35,
            "top": 53,
            "width": 193,
            "height": 109
        },
        "words": "感动",
        "chars": [    //recognize_granularity=small时存在
            {
                "location": {
                    "left": 56,
                    "top": 65,
                    "width": 69,
                    "height": 88
                },
                "char": "感"
            },
            {
                "location": {
                    "left": 140,
                    "top": 65,
                    "width": 70,
                    "height": 88
                },
                "char": "动"
            }
        ]
    }
    ...
]
}

public void GeneralEnhancedDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用通用文字识别（含生僻字版）, 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.GeneralEnhanced(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"language_type", "CHN_ENG"},
	    {"detect_direction", "true"},
	    {"detect_language", "true"},
	    {"probability", "true"}
	};
	// 带参数调用通用文字识别（含生僻字版）, 图片参数为本地图片
	result = client.GeneralEnhanced(image, options);
	Console.WriteLine(result);
}
public void GeneralEnhancedUrlDemo() {
	var url = "https//www.x.com/sample.jpg";
	
	// 调用通用文字识别（含生僻字版）, 图片参数为远程url图片，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.GeneralEnhancedUrl(url);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"language_type", "CHN_ENG"},
	    {"detect_direction", "true"},
	    {"detect_language", "true"},
	    {"probability", "true"}
	};
	// 带参数调用通用文字识别（含生僻字版）, 图片参数为远程url图片
	result = client.GeneralEnhancedUrl(url, options);
	Console.WriteLine(result);
}

{
"log_id": 2471272194,
"words_result_num": 2,
"words_result":
    [
        {"words": " TSINGTAO"},
        {"words": "青島睥酒"}
    ]
}

public void WebImageDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 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);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"detect_direction", "true"},
	    {"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);
	Console.WriteLine(result);
}
public void WebImageUrlDemo() {
	var url = "https//www.x.com/sample.jpg";
	
	// 调用网络图片文字识别, 图片参数为远程url图片，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.WebImageUrl(url);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"detect_direction", "true"},
	    {"detect_language", "true"}
	};
	// 带参数调用网络图片文字识别, 图片参数为远程url图片
	result = client.WebImageUrl(url, options);
	Console.WriteLine(result);
}

{
"log_id": 2471272194,
"words_result_num": 2,
"words_result":
    [
        {"words": " TSINGTAO"},
        {"words": "青島睥酒"}
    ]
}

public void IdcardDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	var idCardSide = "back";
	
	// 调用身份证识别，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.Idcard(image, idCardSide);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"detect_direction", "true"},
	    {"detect_risk", "false"}
	};
	// 带参数调用身份证识别
	result = client.Idcard(image, idCardSide, options);
	Console.WriteLine(result);
}

{
    "log_id": 2648325511,
    "direction": 0,
    "image_status": "normal",
    "idcard_type": "normal",
    "edit_tool": "Adobe Photoshop CS3 Windows",
    "words_result": {
        "住址": {
            "location": {
                "left": 267,
                "top": 453,
                "width": 459,
                "height": 99
            },
            "words": "南京市江宁区弘景大道3889号"
        },
        "公民身份号码": {
            "location": {
                "left": 443,
                "top": 681,
                "width": 589,
                "height": 45
            },
            "words": "330881199904173914"
        },
        "出生": {
            "location": {
                "left": 270,
                "top": 355,
                "width": 357,
                "height": 45
            },
            "words": "19990417"
        },
        "姓名": {
            "location": {
                "left": 267,
                "top": 176,
                "width": 152,
                "height": 50
            },
            "words": "伍云龙"
        },
        "性别": {
            "location": {
                "left": 269,
                "top": 262,
                "width": 33,
                "height": 52
            },
            "words": "男"
        },
        "民族": {
            "location": {
                "left": 492,
                "top": 279,
                "width": 30,
                "height": 37
            },
            "words": "汉"
        }
    },
    "words_result_num": 6
}

public void BankcardDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用银行卡识别，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.Bankcard(image);
	Console.WriteLine(result);
}

{
    "log_id": 1447188951,
    "result": {
        "bank_card_number": "622500000000000",
        "bank_name": "招商银行",
        "bank_card_type": 1
    }
}

public void DrivingLicenseDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用驾驶证识别，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.DrivingLicense(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"detect_direction", "true"}
	};
	// 带参数调用驾驶证识别
	result = client.DrivingLicense(image, options);
	Console.WriteLine(result);
}

{
  "errno": 0,
  "msg": "success",
  "data": {
    "words_result_num": 10,
    "words_result": {
      "证号": {
        "words": "3208231999053090"
      },
      "有效期限": {
        "words": "6年"
      },
      "准驾车型": {
        "words": "B2"
      },
      "有效起始日期": {
        "words": "20101125"
      },
      "住址": {
        "words": "江苏省南通市海门镇秀山新城"
      },
      "姓名": {
        "words": "小欧欧"
      },
      "国籍": {
        "words": "中国"
      },
      "出生日期": {
        "words": "19990530"
      },
      "性别": {
        "words": "男"
      },
      "初次领证日期": {
        "words": "20100125"
      }
    }
  }
}

public void VehicleLicenseDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用行驶证识别，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.VehicleLicense(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"detect_direction", "true"},
	    {"accuracy", "normal"}
	};
	// 带参数调用行驶证识别
	result = client.VehicleLicense(image, options);
	Console.WriteLine(result);
}

{
  "errno": 0,
  "msg": "success",
  "data": {
    "words_result_num": 10,
    "words_result": {
      "品牌型号": {
        "words": "保时捷GT37182RUCRE"
      },
      "发证日期": {
        "words": "20160104"
      },
      "使用性质": {
        "words": "非营运"
      },
      "发动机号码": {
        "words": "20832"
      },
      "号牌号码": {
        "words": "苏A001"
      },
      "所有人": {
        "words": "圆圆"
      },
      "住址": {
        "words": "南京市江宁区弘景大道"
      },
      "注册日期": {
        "words": "20160104"
      },
      "车辆识别代号": {
        "words": "HCE58"
      },
      "车辆类型": {
        "words": "小型轿车"
      }
    }
  }
}

public void LicensePlateDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用车牌识别，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.LicensePlate(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"multi_detect", "true"}
	};
	// 带参数调用车牌识别
	result = client.LicensePlate(image, options);
	Console.WriteLine(result);
}

{
    "log_id": 3583925545,
    "words_result": {
        "color": "blue",
        "number": "苏HS7766"
    }
}

public void BusinessLicenseDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用营业执照识别，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.BusinessLicense(image);
	Console.WriteLine(result);
}

{
    "log_id": 490058765,
    "words_result": {
        "单位名称": {
            "location": {
                "left": 500,
                "top": 479,
                "width": 618,
                "height": 54
            },
            "words": "袁氏财团有限公司"
        },
        "法人": {
            "location": {
                "left": 938,
                "top": 557,
                "width": 94,
                "height": 46
            },
            "words": "袁运筹"
        },
        "地址": {
            "location": {
                "left": 503,
                "top": 644,
                "width": 574,
                "height": 57
            },
            "words": "江苏省南京市中山东路19号"
        },
        "有效期": {
            "location": {
                "left": 779,
                "top": 1108,
                "width": 271,
                "height": 49
            },
            "words": "2015年02月12日"
        },
        "证件编号": {
            "location": {
                "left": 1219,
                "top": 357,
                "width": 466,
                "height": 39
            },
            "words": "苏餐证字(2019)第666602666661号"
        },
        "社会信用代码": {
            "location": {
                "left": 0,
                "top": 0,
                "width": 0,
                "height": 0
            },
            "words": "无"
        }
    },
    "words_result_num": 6
}

public void ReceiptDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	// 调用通用票据识别，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.Receipt(image);
	Console.WriteLine(result);
	// 如果有可选参数
	var options = new Dictionary<string, object>{
	    {"recognize_granularity", "big"},
	    {"probability", "true"},
	    {"accuracy", "normal"},
	    {"detect_direction", "true"}
	};
	// 带参数调用通用票据识别
	result = client.Receipt(image, options);
	Console.WriteLine(result);
}

{
    "log_id": 2661573626,
    "words_result": [
        {
            "location": {
                "left": 10,
                "top": 3,
                "width": 121,
                "height": 24
            },
            "words": "姓名:小明明",
            "chars": [
                {
                    "location": {
                        "left": 16,
                        "top": 6,
                        "width": 17,
                        "height": 20
                    },
                    "char": "姓"
                }
                ...
            ]
        },
        {
            "location": {
                "left": 212,
                "top": 3,
                "width": 738,
                "height": 24
            },
            "words": "卡号/病案号:105353990标本编号:150139071送检科室:血液透析门诊病房",
            "chars": [
                {
                    "location": {
                        "left": 218,
                        "top": 6,
                        "width": 18,
                        "height": 21
                    },
                    "char": "卡"
                }
                ...
            ]
        }
    ],
    "words_result_num": 2
}

public void CustomDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	var templateSign = "Nsdax2424asaAS791823112";
	
	// 调用自定义模板文字识别，可能会抛出网络等异常，请使用try/catch捕获
	var result = client.Custom(image, templateSign);
	Console.WriteLine(result);
}

{
    "isStructured": true,
    "ret": [
        {
            "charset": [
                {
                    "rect": {
                        "top": 183,
                        "left": 72,
                        "width": 14,
                        "height": 28
                    },
                    "word": "5"
                },
                {
                    "rect": {
                        "top": 183,
                        "left": 90,
                        "width": 14,
                        "height": 28
                    },
                    "word": "4"
                },
                {
                    "rect": {
                        "top": 183,
                        "left": 103,
                        "width": 15,
                        "height": 28
                    },
                    "word": "."
                },
                {
                    "rect": {
                        "top": 183,
                        "left": 116,
                        "width": 14,
                        "height": 28
                    },
                    "word": "5"
                },
                {
                    "rect": {
                        "top": 183,
                        "left": 133,
                        "width": 19,
                        "height": 28
                    },
                    "word": "元"
                }
            ],
            "word_name": "票价",
            "word": "54.5元"
        },
        {
            "charset": [
                {
                    "rect": {
                        "top": 144,
                        "left": 35,
                        "width": 14,
                        "height": 28
                    },
                    "word": "2"
                },
                {
                    "rect": {
                        "top": 144,
                        "left": 53,
                        "width": 14,
                        "height": 28
                    },
                    "word": "0"
                },
                {
                    "rect": {
                        "top": 144,
                        "left": 79,
                        "width": 14,
                        "height": 28
                    },
                    "word": "1"
                },
                {
                    "rect": {
                        "top": 144,
                        "left": 97,
                        "width": 14,
                        "height": 28
                    },
                    "word": "7"
                }
            ]
    ]
}

var APP_ID = "你的 App ID";
var API_KEY = "你的 Api Key";
var SECRET_KEY = "你的 Secret Key";

var client = new Baidu.Aip.Ocr.Ocr(API_KEY, SECRET_KEY);
public void Demo() {
    	// 参数为本地图片
        var image = File.ReadAllBytes("图片文件路径");
    	result = client.VatInvoice(image, options);
    	Console.WriteLine(result);
        // 参数为url
    	result = client.VatInvoiceUrl("http:/test.jpg", options);
        Console.WriteLine(result);
        // 参数为pdf
        var pdf = File.ReadAllBytes("pdf文件");
    	result = client.VatInvoicePdf(pdf, options);        
        Console.WriteLine(result);
    }

{	
  "log_id": "5425496231209218858",
	"words_result_num": 29,
	"words_result": {
		"InvoiceNum": "14641426",
		"SellerName": "上海易火广告传媒有限公司",
		"CommodityTaxRate": [
			{
				"word": "6%",
				"row": "1"
			}
		],
		"SellerBank": "中国银行南翔支行446863841354",
		"Checker": ":沈园园",
		"TotalAmount": "94339.62",
		"CommodityAmount": [
			{
				"word": "94339.62",
				"row": "1"
			}
		],
		"InvoiceDate": "2016年06月02日",
		"CommodityTax": [
			{
				"word": "5660.38",
				"row": "1"
			}
		],
		"PurchaserName": "百度时代网络技术(北京)有限公司",
		"CommodityNum": [
			{
				"word": "",
				"row": "1"
			}
		],
        "Province": "上海",
        "City": "",
        "SheetNum": "第三联",
        "Agent": "否",
		"PurchaserBank": "招商银行北京分行大屯路支行8661820285100030",
		"Remarks": "告传",
		"Password": "074/45781873408>/6>8>65*887676033/51+<5415>9/32--852>1+29<65>641-5>66<500>87/*-34<943359034>716905113*4242>",
		"SellerAddress": ":嘉定区胜辛南路500号15幢1161室55033753",
		"PurchaserAddress": "北京市海淀区东北旺西路8号中关村软件园17号楼二属A2010-59108001",
		"InvoiceCode": "3100153130",
		"CommodityUnit": [
			{
				"word": "",
				"row": "1"
			}
		],
		"Payee": ":徐蓉",
		"PurchaserRegisterNum": "110108787751579",
		"CommodityPrice": [
			{
				"word": "",
				"row": "1"
			}
		],
		"NoteDrawer": "沈园园",
		"AmountInWords": "壹拾万圆整",
		"AmountInFiguers": "100000.00",
		"TotalTax": "5660.38",
		"InvoiceType": "专用发票",
		"SellerRegisterNum": "913101140659591751",
		"CommodityName": [
			{
				"word": "信息服务费",
				"row": "1"
			}
		],
		"CommodityType": [
			{
				"word": "",
				"row": "1"
			}
		]
	}
}

public void CustomDemo() {
	var image = File.ReadAllBytes("图片文件路径");
	var templateSign = "Nsdax2424asaAS791823112";
	// 如果有可选参数
    var options = new Dictionary<string, object>{ };    	
	// 参数为本地图片
    var image = File.ReadAllBytes("图片文件路径");
	result = client.taxiReceipt(image, options);
	Console.WriteLine(result);
    // 参数为url
	result = client.taxiReceiptUrl("http:/test.jpg", options);
    Console.WriteLine(result);
}
**请求参数详情**

{
	"log_id":2034039896,
	"words_result_num":6,
	"words_result":
	{
		"Date":"2017-11-26",
		"Fare":"¥153.30元",
		"InvoiceCode":"111001681009",
		"InvoiceNum":"90769610",
		"TaxiNum":"BV2062",
		"Time":"20:42-21:07",
		"FuelOilSurcharge": "¥0.00",
		"CallServiceSurcharge": "¥0.00",
        "Province": "浙江省",
        "City": "杭州市",
        "PricePerkm": "2.50元/KM",
        "Distance": "4.5KM"
	}
}

    public void CustomDemo() {
    	// 如果有可选参数
        var options = new Dictionary<string, object>{ };    		
 	   // 参数为本地图片
        var image = File.ReadAllBytes("图片文件路径");
    	result = client.vinCode(image, options);
    	Console.WriteLine(result);
        // 参数为url
    	result = client.vinCodeUrl("http:/test.jpg", options);
        Console.WriteLine(result);
    }

{
	"log_id": 246589877,
	"words_result": [
		{
			"location": {
				"left": 124,
				"top": 11,
				"width": 58,
				"height": 359
			},
			"words": "LFV2A11K8D4010942"
		}
	],
	"words_result_num": 1
}

    public void CustomDemo() {
        var options = new Dictionary<string, object>{ };    	
	   // 参数为本地图片
        var image = File.ReadAllBytes("图片文件路径");
    	result = client.trainTicket(image, options);
    	Console.WriteLine(result);
        // 参数为url
    	result = client.trainTicketUrl("http:/test.jpg", options);
        Console.WriteLine(result);
    }

{
	"log_id": "12317512659",
	"direction": 1,
	"words_result_num": 13,
	"words_result": {
		"id_num": "2302051998****156X",
		"name": "裴一丽",
		"ticket_rates": "￥54.5元",
		"destination_station": "天津站",
		"seat_category": "二等座",
		"sales_station": "北京南",
		"ticket_num": "F05706",
		"seat_num": "02车03C号",
		"time": "09:36",
		"date": "2019年04月03日",
		"serial_number": "10010300067846",
		"train_num": "C255",
		"starting_station": "北京南站"
	}
}

    public void CustomDemo() {
        var options = new Dictionary<string, object>{ };    	
	   // 参数为本地图片
        var image = File.ReadAllBytes("图片文件路径");
    	result = client.numbers(image, options);
    	Console.WriteLine(result);
  
    }

{
    "log_id": 620759800,
    "words_result": [
        {
            "location": {
                "left": 56,
                "top": 0,
                "width": 21,
                "height": 210
            },
            "words": "3"
        }
    ],
    "words_result_num": 1
}

    public void SealDemo() {
    	var image = File.ReadAllBytes("图片文件路径");
    	// 印章识别，可能会抛出网络等异常，请使用try/catch捕获
    	var result = client.Seal(image);
    	Console.WriteLine(result);
    }

{
	"result": [
		{
			"major": {
				"probability": 0.99759155511856,
				"words": "峨眉山旅游股份有限公司成都峨眉山雪芽大酒店分公司"
			},
			"minor": [
				{
					"probability": 0.99994027614594,
					"words": "前厅部"
				}
			],
			"probability": 0.9936261177063,
			"location": {
				"top": 594,
				"left": 918,
				"width": 150,
				"height": 142
			},
			"type": "circle"
		}
	],
	"log_id": "1349006147834609664",
	"result_num": 1
}

    public void WebimageLocDemo() {
    	var image = File.ReadAllBytes("图片文件路径");
    	// 网络图片文字识别（含位置版），可能会抛出网络等异常，请使用try/catch捕获
    	var result = client.WebimageLoc(image);
    	Console.WriteLine(result);
    	// 文件url
    	var url = "http://host/test.jpeg"
    	result = client.WebimageLocUrl(url);
    	// 如果有可选参数
    	var options = new Dictionary<string, object>{}
    	// 带参数调用网络图片文字识别（含位置版）
    	result = client.WebimageLoc(image, options);
    	Console.WriteLine(result);
    }

    public void MeterDemo() {
    	var image = File.ReadAllBytes("图片文件路径");
    	// 仪器仪表盘读数识别，可能会抛出网络等异常，请使用try/catch捕获
    	var result = client.Meter(image);
    	Console.WriteLine(result);
    	// 文件url
    	var url = "http://host/test.jpeg"
    	result = client.MeterUrl(url);
    	// 如果有可选参数
    	var options = new Dictionary<string, object>{}
    	// 带参数调用仪器仪表盘读数识别
    	result = client.Meter(image, options);
    	Console.WriteLine(result);
    }

    public void DocAnalysisDemo() {
    	var image = File.ReadAllBytes("图片文件路径");
    	// 试卷分析与识别，可能会抛出网络等异常，请使用try/catch捕获
    	var result = client.DocAnalysis(image);
    	Console.WriteLine(result);
    	// 文件url
    	var url = "http://host/test.jpeg"
    	result = client.DocAnalysisUrl(url);
    	// 如果有可选参数
    	var options = new Dictionary<string, object>{}
    	// 带参数调用试卷分析与识别
    	result = client.DocAnalysis(image, options);
    	Console.WriteLine(result);
    }

    public void HandwritingDemo() {
    	var image = File.ReadAllBytes("图片文件路径");
    	// 手写文字识别，可能会抛出网络等异常，请使用try/catch捕获
    	var result = client.Handwriting(image);
    	Console.WriteLine(result);
    	// 如果有可选参数
    	var options = new Dictionary<string, object>{}
    	// 带参数调用手写文字识别
    	result = client.Handwriting(image, options);
    	Console.WriteLine(result);
    }

{
    "log_id": 620759800,
    "words_result": [
        {
            "location": {
                "left": 56,
                "top": 0,
                "width": 21,
                "height": 210
            },
            "words": "3"
        }
    ],
    "words_result_num": 1
}

    public void DocAnalysisOfficeDemo() {
    	var image = File.ReadAllBytes("图片文件路径");
    	// 办公文档识别，可能会抛出网络等异常，请使用try/catch捕获
    	var result = client.DocAnalysisOffice(image);
    	Console.WriteLine(result);
    	// 如果有可选参数
    	var options = new Dictionary<string, object>{}
    	// 带参数调用办公文档识别
    	result = client.DocAnalysisOffice(image, options);
    	Console.WriteLine(result);
    }

    public void QrcodeDemo() {
    	var image = File.ReadAllBytes("图片文件路径");
    	// 二维码识别，可能会抛出网络等异常，请使用try/catch捕获
    	var result = client.Qrcode(image);
    	Console.WriteLine(result);
    	// 如果有可选参数
    	var options = new Dictionary<string, object>{}
    	// 带参数调用二维码识别
    	result = client.Qrcode(image, options);
    	Console.WriteLine(result);
    }

{
    "log_id": 863402790,
    "codes_result": [
        {
            "type": "QR_CODE",
            "text": [
                "中国",
                "北京"
            ]
        }
    ],
    "codes_result_num": 1
}
示例2（多个图的情况）:
{
    "log_id": 1508509437,
    "codes_result": [
        {
            "type": "QR_CODE",
            "text": [
                "HTTP://Q8R.HK/YELZ0"
            ]
        },
        {
            "type": "PDF_417",
            "text": [
                "PDF417偼丄TL-30偱撉傒庢傝壜擻偱偡丅"
            ]
        },
        {
            "type": "CODABAR",
            "text": [
                "000800"
            ]
        },
        {
            "type": "CODE_39",
            "text": [
                "1234567890"
            ]
        },
        {
            "type": "AZTEC",
            "text": [
                "www.tec-it.com"
            ]
        },
        {
            "type": "DATA_MATRIX",
            "text": [
                "Wikipedia, the free encyclopedia"
            ]
        },
        {
            "type": "CODE_93",
            "text": [
                "123456789"
            ]
        },
        {
            "type": "CODE_128",
            "text": [
                "50090500019191"
            ]
        },
        {
            "type": "EAN_8",
            "text": [
                "12345670"
            ]
        },
        {
            "type": "EAN_13",
            "text": [
                "6901234567892"
            ]
        },
        {
            "type": "UPC_E",
            "text": [
                "01234565"
            ]
        }
    ],
    "codes_result_num": 11
}

public void VehicleInvoiceDemo() {
	var image = File.ReadAllBytes("图片文件路径");// 调用机动车销售发票
	var result = client.VehicleInvoice(image);
	var url = "https//www.x.com/sample.jpg"
	result = client.VehicleInvoiceUrl(url);
    Console.WriteLine(result);
}