可以创建TCP服务了，并且正常监听

dtu/channel.go

@@ -42,7 +42,7 @@ func (c *Channel) Open() error {
 func (c *Channel) Dial() error {
 	conn, err := net.Dial(c.Net, c.Addr)
 	if err != nil {
-		log.Println(err)
+		return err
 	}
 
 	go c.receive(conn)

dtu/misc.go

@@ -11,16 +11,10 @@ import (
 var channels sync.Map
 var connections sync.Map
 
-//
-//func init() {
-//	channels = new(sync.Map)
-//	connections = new(sync.Map)
-//}
-
-func Channels() []*types.Channel {
-	cs := make([]*types.Channel, 0)
+func Channels() []*Channel {
+	cs := make([]*Channel, 0)
 	channels.Range(func(key, value interface{}) bool {
-		cs = append(cs, value.(*types.Channel))
+		cs = append(cs, value.(*Channel))
 		return true
 	})
 	return cs

portal/src/app/main/channel-edit/channel-edit.component.html

-<p>channel-edit works!</p>
+<form nz-form nzLayout="horizontal" [formGroup]="validateForm" (ngSubmit)="submit()">
+  <nz-form-item>
+    <nz-form-label>名称</nz-form-label>
+    <nz-form-control nzErrorTip="请输入名称">
+      <input nz-input formControlName="name" placeholder="名称" />
+    </nz-form-control>
+  </nz-form-item>
+  <nz-form-item>
+    <nz-form-label>序列号</nz-form-label>
+    <nz-form-control nzErrorTip="请输入序列号">
+      <input nz-input formControlName="serial" placeholder="序列号" />
+    </nz-form-control>
+  </nz-form-item>
+  <nz-form-item>
+    <nz-form-label>网络类型</nz-form-label>
+    <nz-form-control nzErrorTip="请输入类型">
+      <input nz-input formControlName="net" placeholder="下拉" />
+    </nz-form-control>
+  </nz-form-item>
+  <nz-form-item>
+    <nz-form-label>地址</nz-form-label>
+    <nz-form-control nzErrorTip="请输入地址">
+      <input nz-input formControlName="addr" placeholder=":1843" />
+    </nz-form-control>
+  </nz-form-item>
+  <nz-form-item>
+    <nz-form-label>服务端</nz-form-label>
+    <nz-form-control nzErrorTip="请勾选">
+      <label nz-checkbox formControlName="is_server">
+        <span>启用</span>
+      </label>
+    </nz-form-control>
+  </nz-form-item>
+  <nz-form-item>
+    <nz-form-label>心跳</nz-form-label>
+    <nz-form-control nzErrorTip="请勾选">
+      <label nz-checkbox formControlName="heart_beat.enable">
+        <span>启用</span>
+      </label>
+    </nz-form-control>
+  </nz-form-item>
+  <nz-form-item>
+    <nz-form-label>注册包</nz-form-label>
+    <nz-form-control nzErrorTip="请勾选">
+      <label nz-checkbox formControlName="register.enable">
+        <span>启用</span>
+      </label>
+    </nz-form-control>
+  </nz-form-item>
+  <nz-form-item>
+    <nz-form-control>
+      <button nz-button nzType="primary">保存</button>
+    </nz-form-control>
+  </nz-form-item>
+</form>

portal/src/app/main/channel-edit/channel-edit.component.ts

 import {Component, Input, OnInit} from '@angular/core';
+import {ApiService} from '../../api.service';
+import {FormBuilder, FormGroup, Validators} from '@angular/forms';
+import {NzDrawerRef} from 'ng-zorro-antd';
 
 @Component({
   selector: 'app-channel-edit',
@@ -7,11 +10,68 @@ import {Component, Input, OnInit} from '@angular/core';
 })
 export class ChannelEditComponent implements OnInit {
 
-  @Input() channel = {};
+  @Input() channel: any = {};
 
-  constructor() { }
+  validateForm!: FormGroup;
+
+  constructor(private as: ApiService, private fb: FormBuilder, private drawerRef: NzDrawerRef<string>) {
+  }
 
   ngOnInit(): void {
+    this.initForm({});
+    if (this.channel.id) {
+      this.as.get('channel/' + this.channel.id).subscribe(res => {
+        this.channel = res.data;
+        this.initForm(this.channel);
+      });
+    }
+
   }
 
+
+  submit(): void {
+    for (const i in this.validateForm.controls) {
+      this.validateForm.controls[i].markAsDirty();
+      this.validateForm.controls[i].updateValueAndValidity();
+    }
+    if (!this.validateForm.valid) {
+      return;
+    }
+
+    if (this.channel.id) {
+      this.as.put('channel/' + this.channel.id, this.validateForm.value).subscribe(res => {
+        console.log(res);
+        // TODO 修改成功
+        this.drawerRef.close(res.data);
+      });
+    } else {
+      this.as.post('channel', this.validateForm.value).subscribe(res => {
+        console.log(res);
+        // TODO 保存成功
+        this.drawerRef.close(res.data);
+      });
+    }
+  }
+
+  initForm(item): void {
+    if (!item.register)
+      item.register = {};
+    if (!item.heart_beat)
+      item.heart_beat = {};
+
+    this.validateForm = this.fb.group({
+      name: [item.name, [Validators.required]],
+      // tags: [item.tags],
+      serial: [item.serial],
+      net: [item.net, [Validators.required]],
+      addr: [item.addr, [Validators.required]],
+      is_server: [item.is_server],
+      disabled: [item.disabled],
+      'register.enable': [item.register.enable],
+      'register.regex': [item.register.regex],
+      'heart_beat.enable': [item.heart_beat.enable],
+      'heart_beat.interval': [item.heart_beat.interval],
+      'heart_beat.content': [item.heart_beat.content],
+    });
+  }
 }