ngx.unescape_uri ---------------- **语法:** *newstr = ngx.unescape_uri(str)* **环境:** *init_by_lua*\**, init_worker_by_lua*\**, set_by_lua*\**, rewrite_by_lua*\**, access_by_lua*\**, content_by_lua*\**, header_filter_by_lua*\**, body_filter_by_lua*\**, log_by_lua*\**, ngx.timer.*\* 将转义过的 URI 内容 `str` 解码。 例如, ```lua ngx.say(ngx.unescape_uri("b%20r56+7")) ``` 输出 b r56 7 > English Source **syntax:** *newstr = ngx.unescape_uri(str)* **context:** *init_by_lua*\**, init_worker_by_lua*\**, set_by_lua*\**, rewrite_by_lua*\**, access_by_lua*\**, content_by_lua*\**, header_filter_by_lua*\**, body_filter_by_lua*\**, log_by_lua*\**, ngx.timer.*\* Unescape `str` as an escaped URI component. For example, ```lua ngx.say(ngx.unescape_uri("b%20r56+7")) ``` gives the output b r56 7 [返回目录](#nginx-api-for-lua)