角静态基本UR1和useHash = True的路由 [英] Angular static Base URl and routing with useHash=True
问题描述
我正在使用Angular 6，我希望我的应用程序具有静态基本URL，以便进行反向代理配置.
在我的 index.html 中设置基本网址
<！doctype html>< html lang ="zh-CN">< head>< meta charset ="utf-8">< title> APM</title>< base href ="/my-base">< meta name ="viewport" content ="width = device-width，initial-scale = 1">< link rel ="icon" type ="image/x-icon" href ="favicon.ico"></head><身体>< pm-root></pm-root></body></html> 在我的 app.module.ts 中，我配置了路由表
从'@ angular/platform-browser'导入{BrowserModule};从"@ angular/forms"导入{FormsModule}；从'@ angular/common/http'导入{HttpClientModule};从'@ angular/core'导入{NgModule};从'@ angular/router'导入{RouterModule};从'./app.component'导入{AppComponent};从'./home/welcome.component'导入{WelcomeComponent};@NgModule({声明:[AppComponent，WelcomeComponent]，进口:[BrowserModule，FormsModule，HttpClientModule，RouterModule.forRoot([{路径:"welcome"，组件:WelcomeComponent}，{path:"，redirectTo:"welcome"，pathMatch:"full"}，{path:"**"，redirectTo:"welcome"，pathMatch:"full"}]，{useHash:true})]，引导程序:[AppComponent]})导出类AppModule {} 启动应用程序后，我发现URL为 http://localhost:4200/my-base#/welcome ，在 my-base 之后有一个#
如果我将路由中的代码更改为具有 useHash:false ，则#在我的基本URL之后，并变为 http://localhost:4200/my-base/welcome#/欢迎
我找不到大量信息，确切说明 useHash:false 的含义是什么，
简单摘要
主要区别在于Server是否易于实现重定向机制
与 useHash:false 相比， useHash:true 易于实现
原理
设置 useHash:false 时，它使用的是 PathLocationStrategy ，它是使用需要服务器支持的 HTML5推送状态
输入浏览器网址
localhost:4200/my-base/welcome/ 服务器需要将 localhost:4200/my-base/welcome/重定向到您的index.html
useHash:true ，它使用的是 HashLocationStrategy
您需要在base-href('my-base')之后添加#，URL为
localhost:4200/my-base/#/welcome/ 服务器直接向您的index.html发送 localhost:4200/my-base/的请求，这很容易在服务器端实现.
参考
Angular如何使用PathLocationStrategy(useHash:false)与服务器端(IIS，Nginx)一起使用
I am using Angular 6, I want my app to have a static base URL for the purpose of reverse proxy configuration.
In my index.html I set base Url
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>APM</title>
<base href="/my-base">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/x-icon" href="favicon.ico">
</head>
<body>
<pm-root></pm-root>
</body>
</html>
In my app.module.ts I have the routing table configured
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { NgModule } from '@angular/core';
import { RouterModule } from '@angular/router';
import { AppComponent } from './app.component';
import { WelcomeComponent } from './home/welcome.component';
@NgModule({
declarations: [
AppComponent,
WelcomeComponent
],
imports: [
BrowserModule,
FormsModule,
HttpClientModule,
RouterModule.forRoot([
{ path: "welcome", component: WelcomeComponent },
{ path: "", redirectTo: "welcome", pathMatch: "full" },
{ path: "**", redirectTo: "welcome", pathMatch: "full" }
], { useHash: true })
],
bootstrap: [AppComponent]
})
export class AppModule { }
After I launch the application I noticed the URL is http://localhost:4200/my-base#/welcome, there is a # after my-base.
If I change the code in routing to have useHash: false then the # is after my base URL and becomes http://localhost:4200/my-base/welcome#/welcome
I could not find lots of information what exact the meaning of useHash: false, what is the consequence?
Simple summary
The main difference is whether Server is easy to implement the redirect mechanism
useHash: true is easy to implement than useHash: false
Principle
when you set useHash: false, it's using PathLocationStrategy, It's using HTML5 pushstate that requires server support
When you enter the Url to Browser
localhost:4200/my-base/welcome/
The server needs to redirect localhost:4200/my-base/welcome/ to your index.html
useHash: true, it's using HashLocationStrategy
you need to add # after your base-href('my-base'), the URL is
localhost:4200/my-base/#/welcome/
The server directly makes a request to localhost:4200/my-base/ to your index.html, It's easy to implement in server side.
Reference
Angular How to work with Server Side(IIS, Nginx) using PathLocationStrategy(useHash: false)
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