/// <summary>
/// 设置客户端信息
/// </summary>
/// <param name="method"></param>
/// <param name="httpClientPart"></param>
/// <param name="declaringType"></param>
private static void SetClient(MethodInfo method, HttpClientExecutePart httpClientPart, Type declaringType)
{
// 设置 Client 名称，判断方法是否定义，如果没有再查找声明类
var clientAttribute = method.IsDefined(typeof(ClientAttribute), true)
? method.GetCustomAttribute <ClientAttribute>(true)
: (
declaringType.IsDefined(typeof(ClientAttribute), true)
? declaringType.GetCustomAttribute <ClientAttribute>(true)
: default
/// <summary>
/// 构建 HttpClient 请求部件
/// </summary>
/// <param name="method"></param>
/// <param name="args"></param>
/// <returns></returns>
private HttpClientExecutePart BuildHttpClientPart(MethodInfo method, object[] args)
{
// 判断方法是否是远程代理请求方法
if (!method.IsDefined(typeof(HttpMethodBaseAttribute), true))
{
throw new InvalidOperationException($"{method.Name} is not a valid request proxy method.");
}
// 解析方法参数及参数值
var parameters = method.GetParameters().Select((u, i) => new MethodParameterInfo
{
Parameter = u,
Name = u.Name,
Value = args[i]
});
// 获取请求配置
var httpMethodBase = method.GetCustomAttribute <HttpMethodBaseAttribute>(true);
// 创建请求配置对象
var httpClientPart = new HttpClientExecutePart();
httpClientPart.SetRequestUrl(httpMethodBase.RequestUrl)
.SetHttpMethod(httpMethodBase.Method)
.SetTemplates(parameters.ToDictionary(u => u.Name, u => u.Value))
.SetRequestScoped(Services);
// 获取方法所在类型
var declaringType = method.DeclaringType;
// 设置请求客户端
SetClient(method, httpClientPart, declaringType);
// 设置请求报文头
SetHeaders(method, parameters, httpClientPart, declaringType);
// 设置 Url 地址参数
SetQueries(parameters, httpClientPart);
// 设置 Body 信息
SetBody(parameters, httpClientPart);
// 设置验证
SetValidation(parameters);
// 设置序列化
SetJsonSerialization(method, parameters, httpClientPart, declaringType);
// 配置全局拦截
CallGlobalInterceptors(httpClientPart, declaringType);
// 设置请求拦截
SetInterceptors(parameters, httpClientPart);
return(httpClientPart);
}