# 核心组件
## JVM
java虚拟机，负责将字节码转换为机器码并执行
## JRE
java运行时环境，包括JVM和Java核心类库
## JDK
java开发工具包，包括编译器（javac）、调试器、文档工具、JRE等等

## Maven
java项目构建和管理工具
### Maven下载
下载地址 https://downloads.apache.org/maven/
### 修改仓库源
修改仓库源为阿里云的源，可参考如下文档
https://developer.aliyun.com/mvn/guide
### vscode更改Java的运行时版本
ctrl + shieft + p
然后选择 Java: Configure Java Runtime


Java

岁岁平安

Nginx 1.18.0
```
user  root;
worker_processes  1;



events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  m.bdoodoo.com;
        location / {
           proxy_pass   http://127.0.0.1:8199;
       }
    }
    server {
        listen       80;
        server_name  new1.bdoodoo.com;
        location / {
           proxy_pass   http://127.0.0.1:8001;
       }
    }
    server {
        listen       80;
        server_name  new2.bdoodoo.com;
        location / {
           proxy_pass   http://127.0.0.1:8001;
       }
    }
    server {
        listen       80;
        server_name  bdoodoo.com;
        return      301 http://www.bdoodoo.com$request_uri;
    }

    server {
        listen       80;
        server_name  cd.bdoodoo.com;
        return      301 http://www.bdoodoo.com$request_uri;
    }

        server {
        listen       80;
        server_name  www.bdoodoo.com;
        location / {
           proxy_pass   http://127.0.0.1:8198;
       }
    }

        server {
        listen       80;
        server_name  api.bdoodoo.com;
        return      301 https://api.bdoodoo.com$request_uri;

    }

      server {
        listen       80;
        server_name  fnsxh.com;
        return      301 http://www.fnsxh.com$request_uri;
      }

        server {
        listen       80;
        server_name  fnsxh.bdoodoo.com;
        location / {
           proxy_pass   http://127.0.0.1:8197;
          }
        }

        server {
        listen       80;
        server_name  fnsxh.intp.fun;
        location / {
           proxy_pass   http://127.0.0.1:8197;
       }
    }
    server {
        listen   8200;
        location / {
           root   /home/bdoodoo/dev/bddServer/nginx-1.14.2/html;
           allow   all;
       }
    }

    server {
       listen       443 ssl;
       server_name  m.bdoodoo.com;

       ssl_certificate      /home/bdoodoo/dev/bddServer/app/bddProxy/cert/m.bdoodoo.com.pem;
       ssl_certificate_key  /home/bdoodoo/dev/bddServer/app/bddProxy/cert/m.bdoodoo.com.key;

       ssl_session_cache    shared:SSL:1m;
       ssl_session_timeout  5m;

       ssl_ciphers  HIGH:!aNULL:!MD5;
       ssl_prefer_server_ciphers  on;

       return      301 http://m.bdoodoo.com$request_uri;
    }
    server {
       listen       443 ssl;
       server_name  cd.bdoodoo.com;

       ssl_certificate      /home/bdoodoo/dev/bddServer/app/bddProxy/cert/cd.bdoodoo.com.pem;
       ssl_certificate_key  /home/bdoodoo/dev/bddServer/app/bddProxy/cert/cd.bdoodoo.com.key;

       ssl_session_cache    shared:SSL:1m;
       ssl_session_timeout  5m;

       ssl_ciphers  HIGH:!aNULL:!MD5;
       ssl_prefer_server_ciphers  on;

       return   301 http://www.bdoodoo.com$request_uri;
    }
    server {
       listen       443 ssl;
       server_name  www.bdoodoo.com;

       ssl_certificate      /home/bdoodoo/dev/bddServer/app/bddProxy/cert/www.bdoodoo.com.pem;
       ssl_certificate_key  /home/bdoodoo/dev/bddServer/app/bddProxy/cert/www.bdoodoo.com.key;

       ssl_session_cache    shared:SSL:1m;
       ssl_session_timeout  5m;

       ssl_ciphers  HIGH:!aNULL:!MD5;
       ssl_prefer_server_ciphers  on;

      #  location / {
      #     proxy_pass   http://127.0.0.1:8198;
      # }
       return   301 http://www.bdoodoo.com$request_uri;

    }
        server {
       listen       443 ssl;
       server_name  bdoodoo.com;

       ssl_certificate      /home/bdoodoo/dev/bddServer/app/bddProxy/cert/www.bdoodoo.com.pem;
       ssl_certificate_key  /home/bdoodoo/dev/bddServer/app/bddProxy/cert/www.bdoodoo.com.key;

       ssl_session_cache    shared:SSL:1m;
       ssl_session_timeout  5m;

       ssl_ciphers  HIGH:!aNULL:!MD5;
       ssl_prefer_server_ciphers  on;

       return   301 http://www.bdoodoo.com$request_uri;

    }
    server {
       listen       443 ssl;
       server_name  www.fnsxh.com;

       ssl_certificate      /home/bdoodoo/dev/bddServer/app/bddProxy/cert/www.fnsxh.com.pem;
       ssl_certificate_key  /home/bdoodoo/dev/bddServer/app/bddProxy/cert/www.fnsxh.com.key;

       ssl_session_cache    shared:SSL:1m;
       ssl_session_timeout  5m;

       ssl_ciphers  HIGH:!aNULL:!MD5;
       ssl_prefer_server_ciphers  on;

      return      301 http://www.fnsxh.com$request_uri;

    }
    server {
       listen       443 ssl;
       server_name  fnsxh.com;

       ssl_certificate      /home/bdoodoo/dev/bddServer/app/bddProxy/cert/www.fnsxh.com.pem;
       ssl_certificate_key  /home/bdoodoo/dev/bddServer/app/bddProxy/cert/www.fnsxh.com.key;

       ssl_session_cache    shared:SSL:1m;
       ssl_session_timeout  5m;

       ssl_ciphers  HIGH:!aNULL:!MD5;
       ssl_prefer_server_ciphers  on;

      return      301 http://www.fnsxh.com$request_uri;

    }
    server {
       listen       443 ssl;
       server_name  api.bdoodoo.com;

       ssl_certificate      /home/bdoodoo/dev/bddServer/app/bddProxy/cert/api.bdoodoo.com.pem;
       ssl_certificate_key  /home/bdoodoo/dev/bddServer/app/bddProxy/cert/api.bdoodoo.com.key;

       ssl_session_cache    shared:SSL:1m;
       ssl_session_timeout  5m;

       ssl_ciphers  HIGH:!aNULL:!MD5;
       ssl_prefer_server_ciphers  on;

       location / {
           proxy_pass   http://127.0.0.1:8000;
       }
    }
    # server {
    #   listen 443 http2;
    #   server_name bdoodoo.com;
    #   rewrite ^/(.*) http://$server_name/$1 permanent;
    # }
    # server {
    #   listen 443 http2;
    #   server_name fnsxh.com;
    #   rewrite ^/(.*) http://$server_name/$1 permanent;
    # }
}
```

布兜兜nginx配置

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