C# 替换PL/SQL中的特殊XML字符
我使用的是返回特殊字符的SQLXMLAGG函数。我需要将它们替换为“常规”字符,即替换C# 替换PL/SQL中的特殊XML字符,c#,sql,xml,oracle,C#,Sql,Xml,Oracle,我使用的是返回特殊字符的SQLXMLAGG函数。我需要将它们替换为“常规”字符,即替换以将CLOB分块处理,如下所示: CREATE OR REPLACE FUNCTION UNESCAPE_XML(xml_clob IN CLOB) RETURN CLOB IS DECLARE clob_UNESCAPE CLOB; read_offset INTEGER := 1; ClobLen INTEGER; amount INTEGER := 3000;
以将CLOB分块处理,如下所示:
CREATE OR REPLACE FUNCTION UNESCAPE_XML(xml_clob IN CLOB) RETURN CLOB IS
DECLARE
clob_UNESCAPE CLOB;
read_offset INTEGER := 1;
ClobLen INTEGER;
amount INTEGER := 3000;
BEGIN
ClobLen := DBMS_LOB.GETLENGTH(xml_clob);
DBMS_LOB.CREATETEMPORARY(clob_UNESCAPE, TRUE);
LOOP
EXIT WHEN read_offset > ClobLen;
stringBuffer := UTL_I18N.UNESCAPE_REFEREENCE(DBMS_LOB.SUBSTR(xml_clob , amount, read_offset));
DBMS_LOB.WRITEAPPEND(clob_UNESCAPE, LENGTH(stringBuffer), stringBuffer);
read_offset := read_offset + amount;
END LOOP;
RETURN clob_UNESCAPE;
END;
您是否尝试过DBMS\u XMLGEN.CONVERT(xmlagg(xmlement(e,comments)).extract('//text()')、DBMS\u XMLGEN.ENTITY\u DECODE)
(未测试)。应使用System.Net.WebUtility.HtmlDecode(字符串)和System.Net.WebUtility.HtmlEncode(字符串)