Nginx前端配置通用版

# 指定二级目录
location /slcl {
    # 指定项目存放目录
    root /app/webapps/;
    index index.html index.htm;
    # 配置错误日志输出文件
    error_log /app/nginx/logs/slcl-error.log  error;
    # * 允许所有的源请求
    add_header Access-Control-Allow-Origin *;
    add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS';
    add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';
        # 处理 OPTIONS 请求
    if ($request_method = 'OPTIONS') {
      return 204;
    }
}