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224 lines
6.6 KiB
224 lines
6.6 KiB
// Copyright (c) Shenyang Leading Edge Intelligent Technology Co., Ltd. All rights reserved.
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package container
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import (
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"LAPP_GAAS_GFrame_BACKEND/web/models"
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"errors"
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"fmt"
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"github.com/kataras/iris/v12/context"
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"github.com/kataras/iris/v12/core/router"
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"reflect"
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"strings"
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)
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const (
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ServicesPackageName = "services"
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ServiceNameSuffix = "Service"
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PathSeparator = "/"
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HttpPost HttpMethod = "POST"
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HttpPut HttpMethod = "POU"
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HttpGet HttpMethod = "Get"
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HttpDelete HttpMethod = "DELETE"
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)
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var ServiceNameSuffixLength = len([]rune(ServiceNameSuffix))
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type HttpMethod string
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type (
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// 调用器
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// 参数
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// 1.参数列表
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// 返回值:
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// 1.返回值列表
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Caller = func([]reflect.Value) []reflect.Value
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// 调用器工厂
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// 参数
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// 1.会话标识
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// 2.用户信息
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// 返回值:
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// 1.调用器
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// 2.错误
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CallerFactory = func(string, *models.Usertab) (Caller, error)
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// 路由
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Router = context.Handler
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// 路由创建器
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// 参数
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// 1.会话管理器
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// 2.服务类型
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// 3.服务方法名
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// 3.服务方法类型
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// 返回值:
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// 1.HTTP请求方法
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// 2.附加路径
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// 3.路由
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// 4.错误
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RouterBuilder = func(CallerFactory, string, reflect.Type) (HttpMethod, string, Router, error)
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)
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// *SessionContext类型常量
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var sessionContextType = reflect.TypeOf((*SessionContext)(nil))
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// 空参数列表
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var emptyParameters []reflect.Value
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// Factory零值
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var zeroOfFactory = Factory(reflect.ValueOf(nil))
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// *error 类型常量
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var errorType = reflect.TypeOf((*error)(nil)).Elem()
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// *RequestContext类型常量
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var RequestContextType = reflect.TypeOf((*RequestContext)(nil))
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// 无会话(XORM会话)上下文
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var ContextOfNoSession = NewNoSessionBrokerBuilder()
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// 新会话(XORM会话)上下文
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var ContextOfNewSession = NewNewSessionBrokerBuilder()
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// 新事务代理创建器上下文
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var ContextOfNewTransaction = NewNewTransactionBrokerBuilder()
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//
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//// 组件信息管理器
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//var currentInformationManager = NewInformationManager()
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// 解析组件工厂,返回:组件工厂Value,组件模块名,组件接口,错误
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// 参数
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// 1.工厂方法
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// 返回值:
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// 1.组件工厂
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// 2.组件接口类型
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// 异常:
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// 1.工厂不能为空
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// 2.工厂必须是func
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// 3.工厂不能有参数
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// 4.工厂必值需有返回值
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// 5.工厂只能有一个返回值
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// 6.工厂的返回值必需是interface
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func parseFactory(factory interface{}) (Factory, Interface) {
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if factory == nil {
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panic(fmt.Sprintf("工厂不能为空!"))
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}
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valueOfFactory := reflect.ValueOf(factory)
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typeOfFactory := valueOfFactory.Type()
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if typeOfFactory.Kind() != reflect.Func {
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panic(fmt.Sprintf("工厂必须是func!"))
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}
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if typeOfFactory.NumIn() != 0 {
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panic(fmt.Sprintf("工厂不能有参数!"))
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}
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if typeOfFactory.NumOut() < 1 {
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panic(fmt.Sprintf("工厂必值需有返回值!"))
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}
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if typeOfFactory.NumOut() > 1 {
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panic(fmt.Sprintf("工厂只能有一个返回值!"))
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}
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if typeOfFactory.Out(0).Kind() != reflect.Interface {
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panic(fmt.Sprintf("工厂的返回值必需是interface!"))
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}
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componentType := typeOfFactory.Out(0)
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return Factory(valueOfFactory), componentType
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}
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// Caller相等性判断
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// 参数
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// 1.比较对象1
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// 3.比较对象2
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// 返回值:
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// 1.判断结果
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func CallerEqual(caller1 Caller, caller2 Caller) bool {
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if caller1 == nil {
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if caller2 == nil {
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return true
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} else {
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return false
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}
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} else {
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if caller2 == nil {
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return false
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} else {
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return reflect.ValueOf(caller1).Pointer() == reflect.ValueOf(caller2).Pointer()
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}
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}
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}
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var GlobalInformations = NewInformationManager()
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// 注册路由
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// 参数:
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// 1.路由分组
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// 2.组件信息管理器
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// 3.事务句柄工厂
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// 返回值:
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// 1.错误
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// 异常:
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// 1.组件信息管理器不能为空
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// 2.事务句柄工厂不能为空
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// 3.服务不在包或他的子包之下
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// 4.组件接口名称的后缀不正确
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func RegisterRoutes(party router.Party, defaultRouterBuilder RouterBuilder, informationManager InformationManager, transactionHandlerFactory TransactionHandlerFactory) {
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sessionManager := NewSessionManager(informationManager, transactionHandlerFactory)
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groups := make(map[string][]*ServiceInformation, 10)
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for _, information := range informationManager.Items() {
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if serviceInformation, ok := information.(*ServiceInformation); ok {
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packagePath := serviceInformation.Interface().PkgPath()
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group, ok := groups[packagePath]
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if !ok {
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group = make([]*ServiceInformation, 0, 10)
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}
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groups[packagePath] = append(group, serviceInformation)
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}
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for packagePath, group := range groups {
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packageList := strings.Split(packagePath, PathSeparator)
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moudlePath := ""
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for index, packageName := range packageList {
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if strings.ToLower(packageName) == ServicesPackageName {
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moudlePath = strings.Join(packageList[index+1:], PathSeparator)
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break
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}
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}
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if moudlePath == "" {
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panic(fmt.Sprintf("包%s不在包%s或他的子包之下!", packagePath, ServicesPackageName))
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}
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moudleParty := party.Party(fmt.Sprintf("/%s", strings.ToLower(moudlePath)))
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for _, serviceInformation := range group {
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serviceType := serviceInformation.Interface()
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serviceName := serviceType.Name()
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if !strings.HasSuffix(serviceName, ServiceNameSuffix) {
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panic(fmt.Sprintf("组件%s接口名称的后缀不是%s!", serviceName, ServiceNameSuffix))
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}
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runesOfserviceName := []rune(serviceName)
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serviceParty := moudleParty.Party(fmt.Sprintf("/%s", strings.ToLower(string(runesOfserviceName[:len(runesOfserviceName)-ServiceNameSuffixLength]))))
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for _, serviceMethodInformation := range serviceInformation.Methods() {
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methodName := serviceMethodInformation.MethodName()
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routerBuilder := serviceMethodInformation.RouterBuilder()
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if routerBuilder == nil {
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routerBuilder = defaultRouterBuilder
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}
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var callerFactory = func(sessionId string, user *models.Usertab) (Caller, error) {
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session, err := sessionManager.GetSession(sessionId, user)
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if err != nil {
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return nil, err
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}
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serviceHandler, ok := session.Handlers().Handler(serviceType).(*ServiceHandler)
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if !ok {
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return nil, errors.New(fmt.Sprintf("竟然没找到服务组件句柄!"))
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}
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return serviceHandler.Method(methodName).Caller(), nil
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}
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serviceMethodName := fmt.Sprintf("%s.%s", serviceName, methodName)
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httpMethod, addedPath, irisRouter, err := routerBuilder(callerFactory, serviceMethodName, serviceMethodInformation.MethodType())
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if err != nil {
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panic(err.Error())
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}
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serviceParty.Handle(string(httpMethod), fmt.Sprintf("/%s", strings.ToLower(methodName)+addedPath), irisRouter)
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}
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}
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}
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}
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}
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