如何在多部分请求的放置请求中设置参数化内容类型

如何解决如何在多部分请求的放置请求中设置参数化内容类型

我在使用 application/json 内容类型在表单数据中传递 requestDTO 对象时遇到问题。

我使用 Dio 库使用了以下代码。但在 Dio 参数值作为字符串传递。我从服务器中丢失 requestDTO 对象错误。

Map<String,String> header = Map<String,String>();
header['Authorization'] = 'Bearer eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiI4NzY1NDMyMTA5IiwiYXV0aCI6IlJPTEVfQ09OVFJBQ1RPUiIsImV4cCI6MTYxNTYzNjIxMX0._pBVg6aWSl2K2bf416w1YnxYpQeEckL1Go9b_TRgaVruwcyh7tB5OdY9ujSiORn3rVpE39kPIX5zTTuwSJC3lQ';
header['content-type'] = 'multipart/form-data';


Map<String,dynamic> params = Map<String,dynamic>();
params['requestDTO'] = '{\n  "email": "c1@yopmail.com",\n  "firstName": "Contractor",\n  "fullName": "Contractor",\n  "imageUrl": "string",\n  "lastName": "two",\n  "phoneNumber": "8765432109",\n  "prAddressDTO": {\n    "addressLine": "string",\n    "city": "string",\n    "country": "string",\n    "id": 7009,\n    "latitude": 0,\n    "longitude": 0,\n    "prUserId": 6104,\n    "state": "string",\n    "zipcode": "string"\n  },\n  "prBusinessInfoDTO": {\n    "businessLicense": "string",\n    "businessName": "string",\n    "experience": 0,\n    "id": 6251,\n    "liabilityInsurance": "string",\n    "noOfWorkers": 0,\n    "notes": "string",\n    "projectsCompleted": 0,\n    "servicesCategory": "string",\n    "servicesSubCategory": "string",\n    "stateRegistration": "string",\n    "taxIdentificationNumber": "string"\n  },\n  "userType": "CONTRACTOR"\n}';


// Create form data Request
FormData formData = new FormData.fromMap(params);

final option = Options(headers: header);
try {
  final response = await this.dio.put('http://180.211.99.164:9091/api/contractor/me',data: formData,options: option,onSendProgress: (sent,total) => Logger().v("uploadFile ${sent / total}"));
  this._handleNetworkSuccess(response: response);
} on DioError catch (error) {
  this._handleDioNetworkError(error: error);
}

Request screen shot

解决方法

请检查这个答案https://stackoverflow.com/a/65737169/13439617

它发送请求时没有 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <div class="quantity quantitym2"> <label class="screen-reader-text" for="quantity_60269d6f09cd1">Boost quantity</label> <input type="number" onchange="myFunctionupdateqtyinput()" id="quantity_60269d6f09cd1" class="input-text qty text" value="3.336" step="0.0001" min="0.0001" max="" name="quantity" title="title" size="4" placeholder="" inputmode=""> </div> <div class="kpt-product-count" data-kptcount="10"> <div class='kpt-product-count-label'>In total: </div> <div class='kpt-product-count-text'> <span>10</span> </div> </div>

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