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gf/geg/net/ghttp/server/hooks/same_route_multi_hook.go
2019-04-03 00:03:46 +08:00

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package main
import (
"github.com/gogf/gf/g"
"github.com/gogf/gf/g/net/ghttp"
)
// 优先调用的HOOK
func beforeServeHook1(r *ghttp.Request) {
r.SetParam("name", "GoFrame")
r.Response.Writeln("set name")
}
// 随后调用的HOOK
func beforeServeHook2(r *ghttp.Request) {
r.SetParam("site", "https://goframe.org")
r.Response.Writeln("set site")
}
// 允许对同一个路由同一个事件注册多个回调函数,按照注册顺序进行优先级调用。
// 为便于在路由表中对比查看优先级这里讲HOOK回调函数单独定义为了两个函数。
func main() {
s := g.Server()
s.BindHandler("/", func(r *ghttp.Request) {
r.Response.Writeln(r.GetParam("name").String())
r.Response.Writeln(r.GetParam("site").String())
})
s.BindHookHandler("/", ghttp.HOOK_BEFORE_SERVE, beforeServeHook1)
s.BindHookHandler("/", ghttp.HOOK_BEFORE_SERVE, beforeServeHook2)
s.SetPort(8199)
s.Run()
}