2018-07-31 21:05:02 +08:00
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// Copyright 2018 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://gitee.com/johng/gf.
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// 服务注册.
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package ghttp
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import (
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"errors"
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"strings"
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"reflect"
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)
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// 绑定控制器,控制器需要实现gmvc.Controller接口
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// 这种方式绑定的控制器每一次请求都会初始化一个新的控制器对象进行处理,对应不同的请求会话
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2018-08-16 21:33:47 +08:00
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// 第三个参数methods用以指定需要注册的方法,支持多个方法名称,多个方法以英文“,”号分隔,区分大小写
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2018-07-31 21:05:02 +08:00
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func (s *Server)BindController(pattern string, c Controller, methods...string) error {
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2018-08-16 21:33:47 +08:00
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methodMap := (map[string]bool)(nil)
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2018-07-31 21:05:02 +08:00
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if len(methods) > 0 {
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2018-08-16 21:33:47 +08:00
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methodMap = make(map[string]bool)
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for _, v := range strings.Split(methods[0], ",") {
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methodMap[strings.TrimSpace(v)] = true
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}
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2018-07-31 21:05:02 +08:00
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}
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// 遍历控制器,获取方法列表,并构造成uri
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m := make(handlerMap)
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v := reflect.ValueOf(c)
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t := v.Type()
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sname := t.Elem().Name()
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for i := 0; i < v.NumMethod(); i++ {
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mname := t.Method(i).Name
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2018-08-16 21:33:47 +08:00
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if methodMap != nil && !methodMap[mname] {
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continue
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}
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2018-07-31 21:05:02 +08:00
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if mname == "Init" || mname == "Shut" || mname == "Exit" {
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continue
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}
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2018-08-16 21:33:47 +08:00
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key := s.mergeBuildInNameToPattern(pattern, sname, mname, true)
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2018-07-31 21:05:02 +08:00
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m[key] = &handlerItem {
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2018-08-19 11:25:15 +08:00
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rtype : gROUTE_REGISTER_CONTROLLER,
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2018-07-31 21:05:02 +08:00
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ctype : v.Elem().Type(),
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fname : mname,
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faddr : nil,
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}
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// 如果方法中带有Index方法,那么额外自动增加一个路由规则匹配主URI
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if strings.EqualFold(mname, "Index") {
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p := key
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if strings.EqualFold(p[len(p) - 6:], "/index") {
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p = p[0 : len(p) - 6]
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2018-08-08 19:03:48 +08:00
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if len(p) == 0 {
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p = "/"
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}
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2018-07-31 21:05:02 +08:00
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}
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m[p] = &handlerItem {
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2018-08-19 11:25:15 +08:00
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rtype : gROUTE_REGISTER_CONTROLLER,
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2018-07-31 21:05:02 +08:00
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ctype : v.Elem().Type(),
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fname : mname,
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faddr : nil,
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}
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}
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}
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return s.bindHandlerByMap(m)
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}
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2018-08-16 21:33:47 +08:00
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// 绑定路由到指定的方法执行
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func (s *Server)BindControllerMethod(pattern string, c Controller, method string) error {
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2018-07-31 21:05:02 +08:00
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m := make(handlerMap)
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v := reflect.ValueOf(c)
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e := v.Type().Elem()
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t := v.Elem().Type()
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sname := e.Name()
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2018-08-16 21:33:47 +08:00
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mname := strings.TrimSpace(method)
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if !v.MethodByName(mname).IsValid() {
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return errors.New("invalid method name:" + mname)
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}
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key := s.mergeBuildInNameToPattern(pattern, sname, mname, false)
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m[key] = &handlerItem {
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2018-08-19 11:25:15 +08:00
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rtype : gROUTE_REGISTER_CONTROLLER,
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2018-08-16 21:33:47 +08:00
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ctype : t,
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fname : mname,
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faddr : nil,
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}
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2018-07-31 21:05:02 +08:00
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return s.bindHandlerByMap(m)
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}
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// 绑定控制器(RESTFul),控制器需要实现gmvc.Controller接口
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// 方法会识别HTTP方法,并做REST绑定处理,例如:Post方法会绑定到HTTP POST的方法请求处理,Delete方法会绑定到HTTP DELETE的方法请求处理
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// 因此只会绑定HTTP Method对应的方法,其他方法不会自动注册绑定
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// 这种方式绑定的控制器每一次请求都会初始化一个新的控制器对象进行处理,对应不同的请求会话
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func (s *Server)BindControllerRest(pattern string, c Controller) error {
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// 遍历控制器,获取方法列表,并构造成uri
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m := make(handlerMap)
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v := reflect.ValueOf(c)
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t := v.Type()
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// 如果存在与HttpMethod对应名字的方法,那么绑定这些方法
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for i := 0; i < v.NumMethod(); i++ {
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name := t.Method(i).Name
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method := strings.ToUpper(name)
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if _, ok := s.methodsMap[method]; !ok {
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continue
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}
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key := name + ":" + pattern
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m[key] = &handlerItem {
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2018-08-19 11:25:15 +08:00
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rtype : gROUTE_REGISTER_CONTROLLER,
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2018-07-31 21:05:02 +08:00
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ctype : v.Elem().Type(),
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fname : name,
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faddr : nil,
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}
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}
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return s.bindHandlerByMap(m)
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}
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