CREATE OR REPLACE TYPE "TY_STR_SPLIT" IS TABLE OF VARCHAR2 (4000);

CREATE OR REPLACE FUNCTION fn_split(p_str IN VARCHAR2,

p_delimiter IN VARCHAR2)
RETURN ty_str_split

--功能：把字符串按照特定的分隔符转换为数组

/*调用例子
DECLARE
V_ARRY_RESULT TY_STR_SPLIT;--定义数组
BEGIN
V_ARRY_RESULT := FN_SPLIT(P_STR => '123|456|789', P_DELIMITER => '|');--调用把结果附给数组
END;*/

IS
j         INT := 0;
i         INT := 1;
len       INT := 0;
len1      INT := 0;
str       VARCHAR2(4000);
str_split ty_str_split := ty_str_split();
BEGIN
len := length(p_str);
len1 := length(p_delimiter);

WHILE j < len LOOP
    j := instr(p_str, p_delimiter, i);

    IF j = 0 THEN
      j   := len;
      str := substr(p_str, i);
      str_split.extend;
      str_split(str_split.count) := str;

      IF i >= len THEN
        EXIT;
      END IF;
    ELSE
      str := substr(p_str, i, j - i);
      i   := j + len1;
      str_split.extend;
      str_split(str_split.count) := str;
    END IF;
END LOOP;

RETURN str_split;
END fn_split;

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把字符串按照特定的分隔符转换为数组

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