post static method
post请求,json编码
Implementation
static Future<Map<String,dynamic>?> post(
String url, {Map<String, dynamic>? params}
) async {
try {
assetDio();
var result = await _dio!.post(url, data: params);
var data = ObjectUtil.isEmpty(result.data) ? <String, dynamic>{} : result.data;
return result.isSuccessful ? data : null;
} on DioException catch (e) {
return _convertException(e, url, params: params);
} on SocketException catch (e) {
return _convertException(e, url, params: params);
}
}