ng8 go好友
一、angular
1、总目录
2、代码
friends.comment.html
<div class="friends">
<div class="friendword">
Pagge~hello,
<div [class]="colorflag" >
未读: {
{readflag}}条
div>
<button (click)="usergotoManage()">
管理
button>
<button (click)="deleteautologin()">
注销
button>
div>
<div class="friendlist">
<div *ngFor="let users of userlist">
<a [routerLink]="['/chat', userid, users.userfriendid, users.userfriendname]">
{
{users.userfriendname}}
<hr>
a>
div>
div>
div>
friends.comment.scss
h2{
text-align: left;
}
.friends{
width: 440px;
height: 550px;
margin: 100px auto;
background-color: #ffffff42;
padding: 15px;
border: 1px solid #0066da;
img{
// max-width:100px;
max-width:50px;
}
}
.friendword{
font-size: 25px;
font-weight: bold;
width: 423px;
height: 48px;
padding: 7px;
border: 1px solid #ffffff;
background-color: #ffffff;
button{
width: 65px;
height: 30px;
float: right;
margin: 4px;
}
.newsnumred{
background-color: rgb(238, 145, 145);
width: 35px;
font-size: 10px;
float: right;
height: 35px;
}
.newsnumblue{
background-color: rgb(255, 255, 255);
width: 35px;
font-size: 10px;
float: right;
height: 35px;
}
}
.friendlist{
width: 394px;
height: 417px;
background-color: #fefeff;
padding: 15px;
border: 1px solid #15070736;
margin: 13px 5px 0px 6px;
overflow: scroll;
overflow-x: hidden;
}
a:link {
font-size: 20px;
color: #000000;
text-decoration: none;
}
a:visited {
font-size: 20px;
color: #000000;
text-decoration: none;
}
a:hover {
font-size: 20px;
color: #999999;
text-decoration: underline;
}
friends.comment.ts
import {
Component, OnInit } from '@angular/core';
import {
CommonService } from '../../services/common.service';
import {
ActivatedRoute } from '@angular/router';
import {
Router} from '@angular/router';
import {
CookieService } from 'ngx-cookie-service';
@Component({
selector: 'app-friends',
templateUrl: './friends.component.html',
styleUrls: ['./friends.component.scss']
})
export class FriendsComponent implements OnInit {
// public list:any[]=[];
// public domain:string='';
public userid=""
constructor(private router:Router,
public cookieService: CookieService,
public route:ActivatedRoute,
public common:CommonService) {
// this.domain=this.common.domain;
}
ngOnInit() {
// var api='api/productlist';
// this.common.get(api).then((Response:any)=>{
// console.log(Response);
// // this.list=Response.result;
// this.list=Response.result[0].list;
// })
this.route.params.subscribe((value:any)=>{
this.userid=value.id
this.userreadnum(value.id)
this.userShowfriends(value.id)
})
}
public colorflag="newsnumblue"
public readflag
userreadnum(id){
this.common.check(id).then((Response:any)=>{
console.log(Response);
if(Response.status==0){
// this.link="['/friends?id="+Response.id+"']"
this.readflag = Response.num;
if ( this.readflag!=0){
this.colorflag = "newsnumred"
}else{
this.colorflag="newsnumblue"
}
}
})
return
}
public userlist :any[]=[]
userShowfriends(id){
this.common.show(id).then((Response:any)=>{
console.log(Response);
if(Response.status==-1){
alert("获取用户列表失败")
return
}
this.userlist = Response.userfriendList
})
return
}
usergotoManage(){
if (this.userid!="ee755bdd4adb8ac6270ef476fefab245"){
alert("没有权限访问")
return
}
this.router.navigate(['/manage', this.userid]);
}
deleteautologin(){
console.log("删除cookie")
this.cookieService.delete("userid");
this.router.navigate(['/login']);
}
}
app.module.ts
comment.service.ts
参考博文 《 ng8 go 图片&聊天》
3、运行效果
4、bug
本页面未实现轮询
二、golang
1、总目录
（数据库为 postgresql）
2、代码
friendgetchadel.go
package servewr
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
// 使用相对路径引用dbtable
"../dbtable"
)
// ShowResp show接口的响应
type ShowResp struct {
Status int `json:"status"`
UserfriendList []dbtable.UserfriendList `json:"userfriendList"` // 消息列表
}
// Show 好友列表接口的处理函数
func Show(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*") //允许访问所有域
w.Header().Add("Access-Control-Allow-Headers", "Content-TypeAuthorization") //header的类型
w.Header().Set("content-type", "application/json")
// 只处理POST请求
if r.Method != "POST" {
return
}
resp := ShowResp{
}
// 读取请求实体中的数据
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Printf("read http request failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
if body == nil || len(body) == 0 {
log.Println("http request body is null")
sendErrToClient("http request body is null", w)
return
}
defer r.Body.Close()
data := make(map[string]interface{
})
// json反序列化请求实体中的数据
if err = json.Unmarshal(body, &data); err != nil {
log.Printf("json unmarshal failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
if data == nil {
log.Println("json unmarshal data is null")
sendErrToClient("json unmarshal data is null", w)
return
}
// 类型断言
userid, ok := data["userid"].(string)
if !ok {
log.Println("type assert failed")
sendErrToClient("type assert failed", w)
return
}
if userid == "" {
log.Println("the userid from http request is empty string")
sendErrToClient("the userid from http request is empty string", w)
return
}
// 根据id从数据库读取好友列表
userfriendList, err := dbtable.GetUserfriendList(userid)
if err != nil {
log.Printf("getfriend list failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
resp.Status = 0
resp.UserfriendList = userfriendList
for _, v := range userfriendList {
fmt.Printf("name: %s, phone:%s , mail: %s , password:%s\n", v.Userfriendname, v.Userfriendphone, v.Userfriendmail, v.Userfriendpassword)
}
// json序列化receive接口的响应
respByte, err := json.Marshal(resp)
if err != nil {
log.Printf("json marshal failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
// 响应数据
_, err = w.Write(respByte)
if err != nil {
log.Printf("write response failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
}
//DeleteResp delete接口的响应
type DeleteResp struct {
Status int `json:"status"`
}
//Delete 删除用户接口处理函数
func Delete(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*") //允许访问所有域
w.Header().Add("Access-Control-Allow-Headers", "Content-TypeAuthorization") //header的类型
w.Header().Set("content-type", "application/json")
// 如果请求类型不是POST, 不处理该请求
if r.Method != "POST" {
return
}
resp := &DeleteResp{
Status: 0,
}
// 读取请求实体中的数据
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Printf("read http request failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
if body == nil || len(body) == 0 {
log.Println("http request body is null")
sendErrToClient("http request body is null", w)
return
}
defer r.Body.Close()
data := make(map[string]interface{
})
// json反序列化请求的数据
if err = json.Unmarshal(body, &data); err != nil {
log.Printf("json unmarshal failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
// 类型断言
userfriendid, ok := data["userfriendid"].(string)
if !ok {
log.Println("type assertion failed")
sendErrToClient("type assertion failed", w)
return
}
if userfriendid == "" {
log.Println("the userfriendid is empty string")
sendErrToClient("the userfriendid is empty string", w)
return
}
err = dbtable.DeleteUserFromDB(userfriendid)
if err != nil {
log.Printf("Delete User From DB failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
// 返回成功状态码0
resp.Status = 0
// json序列化login接口的响应
respByte, err := json.Marshal(resp)
if err != nil {
log.Printf("json marshal failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
// 响应数据
_, err = w.Write(respByte)
if err != nil {
log.Printf("write the response failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
return
}
//UpdateResp update接口的响应
type UpdateResp struct {
Status int `json:"status"`
}
// Update 更新接口
func Update(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*") //允许访问所有域
w.Header().Add("Access-Control-Allow-Headers", "Content-TypeAuthorization") //header的类型
w.Header().Set("content-type", "application/json")
// 如果请求类型不是POST, 不处理该请求
if r.Method != "POST" {
return
}
resp := &UpdateResp{
Status: 0,
}
// 读取请求实体中的数据
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Printf("read http request failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
if body == nil || len(body) == 0 {
log.Println("http request body is null")
sendErrToClient("http request body is null", w)
return
}
defer r.Body.Close()
data := make(map[string]interface{
})
// json反序列化请求的数据
if err = json.Unmarshal(body, &data); err != nil {
log.Printf("json unmarshal failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
// 类型断言
username, ok := data["username"].(string)
// if !ok {
// log.Println("type assertion failed")
// sendErrToClient("type assertion failed", w)
// return
// }
userphone, ok := data["userphone"].(string)
// if !ok {
// log.Println("type assertion failed")
// sendErrToClient("type assertion failed", w)
// return
// }
usermail, ok := data["usermail"].(string)
// if !ok {
// log.Println("type assertion failed")
// sendErrToClient("type assertion failed", w)
// return
// }
password, ok := data["password"].(string)
// if !ok {
// log.Println("type assertion failed")
// sendErrToClient("type assertion failed", w)
// return
// }
userfriendid, ok := data["userfriendid"].(string)
if !ok {
log.Println("type assertion failed")
sendErrToClient("type assertion failed", w)
return
}
err = dbtable.UpdateUserInfo(username, userphone, usermail, password, userfriendid)
if err != nil {
log.Println(err)
x := fmt.Sprintf("%s", err)
sendErrToClient(x, w)
return
}
// 返回成功状态码0
resp.Status = 0
// json序列化register接口的响应
respByte, err := json.Marshal(resp)
if err != nil {
log.Printf("json marshal failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
// 响应数据
_, err = w.Write(respByte)
if err != nil {
log.Printf("write the response failed, err: %v", err)
sendErrToClient(err.Error(), w)
return
}
return
}