{"id":726,"date":"2019-08-08T15:15:25","date_gmt":"2019-08-08T07:15:25","guid":{"rendered":"https:\/\/www.zhuyanbin.com\/?p=726"},"modified":"2020-04-07T00:54:13","modified_gmt":"2020-04-06T16:54:13","slug":"openresty%e8%af%bb%e5%8f%96%e4%b8%8a%e4%bc%a0%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.yanbin888.com\/?p=726","title":{"rendered":"OpenResty\u8bfb\u53d6\u4e0a\u4f20\u6587\u4ef6"},"content":{"rendered":"\n

ngx.req.get_body_data()<\/strong> \u8bfb\u8bf7\u6c42\u4f53\uff0c\u4f1a\u5076\u5c14\u51fa\u73b0\u8bfb\u53d6\u4e0d\u5230\u76f4\u63a5\u8fd4\u56de nil \u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n

\u5982\u679c\u8bf7\u6c42\u4f53\u5c1a\u672a\u88ab\u8bfb\u53d6\uff0c\u8bf7\u5148\u8c03\u7528 ngx.req.read_body<\/strong> (\u6216\u6253\u5f00 lua_need_request_body<\/strong> \u9009\u9879\u5f3a\u5236\u672c\u6a21\u5757\u8bfb\u53d6\u8bf7\u6c42\u4f53\uff0c\u6b64\u65b9\u6cd5\u4e0d\u63a8\u8350\uff09\u3002<\/p>\n\n\n\n

\u5982\u679c\u8bf7\u6c42\u4f53\u5df2\u7ecf\u88ab\u5b58\u5165\u4e34\u65f6\u6587\u4ef6\uff0c\u8bf7\u4f7f\u7528 ngx.req.get_body_file<\/strong> \u51fd\u6570\u4ee3\u66ff\u3002<\/p>\n\n\n\n

\u5982\u9700\u8981\u5f3a\u5236\u5728\u5185\u5b58\u4e2d\u4fdd\u5b58\u8bf7\u6c42\u4f53\uff0c\u8bf7\u8bbe\u7f6e client_body_buffer_size<\/strong> \u548c client_max_body_size<\/strong> \u4e3a\u540c\u6837\u5927\u5c0f\u3002<\/p>\n\n\n\n

1\u3001ngx.req.read_body<\/h1>\n\n\n\n

\u8bed\u6cd5:<\/strong> ngx.req.read_body()
<\/em>\u4f5c\u7528\u57df:<\/strong> rewrite_by_lua*, access_by_lua*, content_by_lua*<\/em><\/p>\n\n\n\n

\u5f00\u542f\u83b7\u53d6\u8bf7\u6c42\u4e2d\u7684body\u5185\u5bb9\u3002<\/p>\n\n\n\n

\u7ed3\u8bba\uff1a<\/p>\n\n\n\n

1\u3001lua_need_request_body \u5f00\u542f\u540e\uff0c\u8be5\u51fd\u6570\u4e0d\u6267\u884c\u3002<\/strong>\n2\u3001\u5982\u679c\u5728\u8be5\u51fd\u6570\u524d\u6267\u884c ngx.req.discard_body()\uff0c\u8be5\u51fd\u6570\u4e0d\u6267\u884c\u3002<\/strong><\/pre>\n\n\n\n
2\u3001ngx.req.discard_body<\/h1>\n\n\n\n
\u8bed\u6cd5:<\/strong> ngx.req.discard_body()
<\/em>\u4f5c\u7528\u57df:<\/strong> rewrite_by_lua*, access_by_lua*, content_by_lua*<\/em><\/p>\n\n\n\n
\u7981\u6b62\u83b7\u53d6\u8bf7\u6c42\u4e2d\u7684body\u5185\u5bb9\u3002<\/p>\n\n\n\n
3\u3001ngx.req.get_body_data<\/h1>\n\n\n\n
\u8bed\u6cd5:<\/strong> data = ngx.req.get_body_data()
<\/em>\u4f5c\u7528\u57df:<\/strong> rewrite_by_lua*, access_by_lua*, content_by_lua*, log_by_lua*<\/em><\/p>\n\n\n\n
\u83b7\u53d6\u8bf7\u6c42body\u7684\u5185\u5bb9\uff0c\u8fd4\u56de\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
\u6ce8\u610f\uff1a\u5982\u679c\u4f7f\u7528 ngx.req.get_post_args()<\/strong>\uff0c\u5219\u8fd4\u56de\u4e00\u4e2alua table\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u4e09\u79cd\u60c5\u51b5\u8fd4\u56de nil<\/strong>\uff1a<\/p>\n\n\n\n
  1. \u672a\u4f7f\u7528 ngx.req.read_body \u8bfb\u53d6\u8bf7\u6c42 body\uff0c\u6216\u672a\u6253\u5f00lua_need_request_body<\/strong> \u3002<\/li>
  2. \u8bf7\u6c42 body \u7684\u5185\u5bb9\u5df2\u7ecf\u5199\u5165\u4e34\u65f6\u6587\u4ef6\uff1b\u6b64\u65f6\u4f7f\u7528 ngx.req.get_body_file \u83b7\u53d6\uff0c\u6216\u8bbe\u7f6e client_body_buffer_size <\/strong>\u548c client_max_body_size<\/strong>\u540c\u7b49\u5927\u5c0f\uff0c\u6765\u907f\u514d\u8bf7\u6c42body\u5199\u5165\u4e34\u65f6\u6587\u4ef6\u3002<\/li>
  3. \u8bf7\u6c42\u4f53\u7684\u5185\u5bb9\u4e3a\u7a7a\u3002<\/li><\/ol>\n\n\n\n
    4\u3001ngx.req.get_body_file<\/h1>\n\n\n\n
    \u8bed\u6cd5:<\/strong> file_name = ngx.req.get_body_file()
    <\/em>\u4f5c\u7528\u57df:<\/strong> rewrite_by_lua*, access_by_lua*, content_by_lua*<\/em><\/p>\n\n\n\n
    \u8fd4\u56de\u8bf7\u6c42body\u5199\u5165\u7684\u4e34\u65f6\u6587\u4ef6\u3002\u4f8b\u5982\uff1a\u8fd4\u56de<\/p>\n\n\n\n
    \/usr\/local\/openresty\/nginx\/client_body_temp\/0000000019<\/pre>\n\n\n\n
    \u6ce8\u610f\u4ee5\u4e0b2\u79cd\u60c5\u51b5\u4f1a\u5199\u5165\u4e34\u65f6\u6587\u4ef6\uff1a<\/p>\n\n\n\n
    1\u3001\u8bf7\u6c42body\u7684\u957f\u5ea6\u8d85\u8fc7nginx.conf\u5b9a\u4e49\u7684 client_body_buffer_size<\/strong> \u5927\u5c0f\u3002
    2\u3001nginx.conf\u5f00\u542f client_body_in_file_only on<\/strong> (\u8bf7\u6c42body\u59cb\u7ec8\u5199\u5165\u4e34\u65f6\u6587\u4ef6)<\/p>\n\n\n\n
    5\u3001ngx.req.set_body_data<\/h1>\n\n\n\n
    \u8bed\u6cd5:<\/strong> ngx.req.set_body_data(data)
    <\/em>\u4f5c\u7528\u57df:<\/strong> rewrite_by_lua*, access_by_lua*, content_by_lua*<\/em><\/p>\n\n\n\n
    \u8bbe\u7f6e\u8bf7\u6c42body\u7684\u5185\u5bb9\uff0c\u4e00\u822c\u7528\u4e8e\u8f6c\u53d1\u8bf7\u6c42\u5230\u5b50\u8bf7\u6c42\u3002<\/p>\n\n\n\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n\n\n\n
    1\u3001\u5728\u4f7f\u7528\u8be5\u65b9\u6cd5\u65f6\uff0c\u5fc5\u9700\u786e\u4fdd\u5f53\u524d\u8bf7\u6c42\u5df2\u7ecf\u4f7f\u7528 ngx.req.read_body() \u6216\u8005 lua_need_read_body on\uff0c\u5426\u5219\uff0c\u5728\u4f7f\u7528\u8be5\u65b9\u6cd5\u4f1a\u62a5 500 \u9519\u8bef\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    ngx.req.read_body() --\u5982\u679c\u8be5\u884c\u7701\u7565\uff0c\u5c06\u76f4\u63a5\u62a5\u9519\u3002\nngx.req.set_body_data(\"abc\")\nngx.exec(\"\/app\/detail\")<\/pre>\n\n\n\n
    6\u3001ngx.req.set_body_file<\/h1>\n\n\n\n
    \u8bed\u6cd5:<\/strong> ngx.req.set_body_file(file_name, auto_clean?)
    <\/em>\u4f5c\u7528\u57df:<\/strong> rewrite_by_lua*, access_by_lua*, content_by_lua*<\/em><\/p>\n\n\n\n
    7\u3001ngx.req.init_body<\/h1>\n\n\n\n
    \u8bed\u6cd5:<\/strong> ngx.req.init_body(buffer_size?)
    <\/em>\u4f5c\u7528\u57df:<\/strong> set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*<\/em><\/p>\n\n\n\n
    8\u3001ngx.req.append_body<\/h1>\n\n\n\n
    \u8bed\u6cd5:<\/strong> ngx.req.append_body(data_chunk)
    <\/em>\u4f5c\u7528\u57df:<\/strong> set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*<\/em><\/p>\n\n\n\n
    9\u3001ngx.req.finish_body<\/h1>\n\n\n\n
    \u8bed\u6cd5:<\/strong> ngx.req.finish_body()
    <\/em>\u4f5c\u7528\u57df:<\/strong> set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*<\/em><\/p>\n\n\n\n
    Link: http:\/\/www.hangdaowangluo.com\/archives\/2746<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
    ngx.req.get_body_data() \u8bfb\u8bf7\u6c42\u4f53\uff0c\u4f1a\u5076\u5c14\u51fa\u73b0\u8bfb\u53d6\u4e0d\u5230\u76f4\u63a5\u8fd4\u56de nil \u7684\u60c5\u51b5 …<\/span> Read More →<\/span><\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[64],"class_list":["post-726","post","type-post","status-publish","format-standard","hentry","category-openresty","tag-openresty"],"_links":{"self":[{"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/posts\/726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=726"}],"version-history":[{"count":3,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/posts\/726\/revisions"}],"predecessor-version":[{"id":782,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/posts\/726\/revisions\/782"}],"wp:attachment":[{"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}