oracle – PL / SQL：UTL_HTTP POST与UTF8字符串导致字符损坏

我想通过utl_http将UTF8 json字符串发送到node.js处事器.发送字符串

["Sant Julià de Lòria"]

确实到了

["Sant Juli??? de L???ria"]

PL / SQL代码如下：

FUNCTION http_post_varchar(
    p_url          VARCHAR2,p_request_body VARCHAR2 )
  RETURN VARCHAR2
AS
  req   UTL_HTTP.REQ;
  resp  UTL_HTTP.RESP;
  value VARCHAR2(32767);  -- URL to post to
  v_url VARCHAR2(200) := p_url;
  -- Post Parameters
  v_param VARCHAR2(32767) := p_request_body;
  v_param_length NUMBER := length(v_param);
BEGIN
  req := UTL_HTTP.BEGIN_REQUEST (url=> v_url,method => 'POST');
  UTL_HTTP.SET_HEADER (r      =>  req,name   =>  'Content-Type',value  =>  'application/json;charset=UTF-8');
  UTL_HTTP.SET_HEADER (r      =>   req,name   =>   'Content-Length',value  =>   v_param_length);
  UTL_HTTP.WRITE_TEXT (r      =>   req,data   =>   v_param);

  resp := UTL_HTTP.GET_RESPONSE(req);
  LOOP
    UTL_HTTP.READ_LINE(resp,value,TRUE);    
  END LOOP;
  UTL_HTTP.END_RESPONSE(resp);
  RETURN 'OK';
EXCEPTION
  WHEN UTL_HTTP.END_OF_BODY THEN
    UTL_HTTP.END_RESPONSE(resp);
  RETURN 'OK';
END http_post_varchar;

办理要领

UTL_HTTP.SET_BODY_CHARSET('UTF-8');
UTL_HTTP.SET_HEADER (r      =>   req,value  =>    LENGTHB(v_param));

UTL_HTTP.WRITE_RAW (r    => req,data => UTL_RAW.CAST_TO_RAW(v_param));

因为UTF-8,LENGTHB为字节长度.不然计较的长度将为false,而且您在方针端呈现错误(不测的输入竣事或其他内容).

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