/// <summary> /// 读取 /// </summary> /// <returns></returns> public object Read(string file) { if (!File.Exists(file)) { return(Activator.CreateInstance(type)); } using (FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read)) { byte[] data = new byte[fs.Length]; fs.Read(data, 0, data.Length); string json = Encoding.UTF8.GetString(data); try { return(I3JsonConvert.FromJson(json, type)); } catch { return(Activator.CreateInstance(type)); } } }
/// <summary> /// 转换为图片单元格,复制所有属性(目的是为了在ReportData经过json转换后,找回Cell中丢失的单元格类型信息,要求I3ReportImageCell代码中的属性,全部写在I3ReportCell中) /// </summary> /// <param name="row"></param> /// <param name="col"></param> /// <returns></returns> public I3ReportImageCell ConvertToImageItem(int row, int col) { I3ReportCell old = GetCellItem(row, col); if (old != null && old is I3ReportImageCell) { return(old as I3ReportImageCell); } I3ReportImageCell item = null; if (old == null) { item = new I3ReportImageCell(row, col); } else { string json = I3JsonConvert.ToJson(old); item = (I3ReportImageCell)I3JsonConvert.FromJson(json, typeof(I3ReportImageCell)); } this[row][col] = item; return(item); }
/// <summary> /// 构建参数 构建失败会抛出异常 /// </summary> /// <param name="request"></param> /// <returns></returns> protected virtual object[] CreateParameters(HttpRequest request, MethodInfo method) { object[] ps = null; try { ParameterInfo[] parameters = method.GetParameters(); if (parameters.Length > 0) { MethodParameterTypeAttribute[] attrs = method.GetCustomAttributes(typeof(MethodParameterTypeAttribute), true) as MethodParameterTypeAttribute[]; ps = new object[parameters.Length]; int i = 0; foreach (ParameterInfo parameter in parameters)//遍历方法的参数 { string val = request[parameter.Name]; val = HttpUtility.UrlDecode(val, Encoding.UTF8); if (!string.IsNullOrEmpty(val))//参数值不能为空 { //非最终类处理 MethodParameterTypeAttribute pta = null; foreach (MethodParameterTypeAttribute attr in attrs)//查找此参数对应的MethodParameterTypeAttribute { if (attr.ParameterName == parameter.Name) { pta = attr; break; } } if (pta != null) { IMethodParameterTypeCreator provider = Activator.CreateInstance(pta.CreatorType) as IMethodParameterTypeCreator; foreach (ParameterInfo p in parameters)//查找关联参数 { if (p.Name == pta.RelParameterName) { string relVal = request[pta.RelParameterName]; //获取关联参数 object data = string.IsNullOrEmpty(relVal) ? null : I3JsonConvert.FromJson(relVal, p.ParameterType); //根据本参数的值和关联参数对象 生成本参数的对象 ps[i] = I3JsonConvert.FromJson(val, provider.GetParameterType(data)); break; } } } else { if (parameter.ParameterType == typeof(string)) { if (val.StartsWith("\"") && val.EndsWith("\"")) { //参数为string类型时,参数值两端可加双引号,也可不加(标准json是需要加的) try { ps[i] = I3JsonConvert.FromJson(val, parameter.ParameterType); } catch { ps[i] = val; } } else { ps[i] = val; } } else { if (parameter.ParameterType == typeof(bool)) { val = val == null ? null : val.ToLower(); } ps[i] = I3JsonConvert.FromJson(val, parameter.ParameterType); } } } i++; } } } catch (Exception ex) { throw new JsonServiceException("参数获取失败!", ex); } return(ps); }