摘自个人印象笔记https://app.yinxiang.com/fx/db244155-c858-4d8a-93a8-08071d168dc8

ssl申请平台：https://blog.freessl.cn/ ajian51168@qq.com …
操作说明：https://blog.freessl.cn/acme-quick-start/
nginx配置：

upstream local_tomcat{server 127.0.0.1:8080;
}server{listen 80;#listen [::]:80;server_name miyuhua.scmhbk.com;index index.html index.htm index.php default.html default.htm default.php;location / {proxy_pass http://local_tomcat;proxy_set_header Host $http_host;proxy_set_header X-Real-IP $remote_addr;proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;}        location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)${expires      30d;}location ~ .*\.(js|css)?${expires      12h;}location ~ /.well-known {allow all;}location ~ /\.{deny all;}}
server{listen 443;server_name miyuhua.scmhbk.com;#ssl on;ssl_certificate /root/.acme.sh/scmhbk.com/scmhbk.com.cer;ssl_certificate_key /root/.acme.sh/scmhbk.com/scmhbk.com.key;ssl_session_timeout 5m;ssl_protocols TLSv1 TLSv1.1 TLSv1.2;#ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:HIGH:!aNULL:!MD5:!RC4:!DHE;ssl_prefer_server_ciphers on;ssl_ciphers "TLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:TLS13-AES-128-CCM-8-SHA256:TLS13-AES-128-CCM-SHA256:EECDH+CHACHA20:EECDH+CHACHA20-draft:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5";ssl_session_cache builtin:1000 shared:SSL:10m;add_header Strict-Transport-Security "max-age=31536000";location ^~ {proxy_pass   http://127.0.0.1:8080/;root /home/apache-tomcat-8.5.73/webapps/ROOT;proxy_redirect  off;proxy_set_header Host $host;proxy_set_header X-Real-IP $remote_addr;proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;}}

如果小程序出现request:fail -2:net::ERR_FAILED、Provisional headers are shown 类似请求异常，参考此文解决：https://blog.csdn.net/Cike___/article/details/109544449