--with-http_addition_module 需要编译进Nginx
其功能主要在响应前或响应后追加内容
add_before_body 指令 将处理给定子请求后返回的文本添加到响应正文之前
| Syntax: | add_before_body |
|---|---|
| Default: | — |
| Context: | http, server, location |
add_after_body 指令
Syntax:add_after_body uri;
Default:—
Context:http, server, location
addition_types 指令 指定处理的文本类型
| Syntax: | addition_types |
|---|---|
| Default: |
addition_types text/html; |
| Context: | http, server, location |
演示
location / { add_before_body /before_action; add_after_body /after_action; addition_types *; } location /before_action { return 200 "before \n "; } location /after_action { return 200 "after \n"; }
原文：https://www.cnblogs.com/jackey2015/p/10388709.html