ngx.quote_sql_str ----------------- **语法:** *quoted_value = ngx.quote_sql_str(raw_value)* **环境:** *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.** 根据 `MySQL` 转义规则返回一个转义后字符串。 [Back to TOC](#nginx-api-for-lua) > English source: **syntax:** *quoted_value = ngx.quote_sql_str(raw_value)* **context:** *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.** Returns a quoted SQL string literal according to the MySQL quoting rules.