ORACLE PLSQL解析JSON

ORACLE PLSQL解析JSON

下载pljson
地址：https://github.com/pljson/pljson

打开command window
执行：SQL> @C:\pljson-master\install.sql;

select grade, content from shop.t_point_grade_kg_test where grade = 1;

查询结果：

grade	content
1	[{“serviceName”:”cashCouponProductImpl”,”serviceParam”:”{\”vouchersRuleId\”:\”1009\”,\”period\”:\”30\”}”},{“serviceName”:”interestCouponProductImpl”,”serviceParam”:”{\”rateRises\”:\”0.5\”,\”riseDays\”:\”5\”,\”productId\”:\”109\”,\”period\”:\”30\”}”}]

json：

[
    {
        "serviceName":"cashCouponProductImpl",
        "serviceParam":"{"vouchersRuleId":"1009","period":"30"}"
    },
    {
        "serviceName":"interestCouponProductImpl",
        "serviceParam":"{"rateRises":"0.5","riseDays":"5","productId":"109","period":"30"}"
    }
]

plsql

CREATE OR REPLACE PROCEDURE PRC_BIRTH_DATA IS
    v_content varchar2(300);   
    v_smsContent varchar2(300);
    v_vouchersRuleId varchar2(50);
    v_period varchar(20);
    v_rateRises varchar2(20);
    v_riseDays varchar2(20);
    v_productId varchar2(20);
    jsonArray json_list;
BEGIN
    select content into v_content from shop.t_point_grade_kg_test;
    --数据解析成json数组
    jsonArray := json_list(v_content);
    --循环json数组解析每条记录
    for i in 1..jsonArray.count loop
        --解析
        v_smsContent := json_ext.get_string(json(jsonArray.get(i)),'serviceParam');
        --再解析
        v_vouchersRuleId := json_ext.get_string(json(v_smsContent),'vouchersRuleId');
        v_period := json_ext.get_string(json(v_smsContent),'period');
        v_rateRises := json_ext.get_string(json(v_smsContent),'rateRises');
        v_riseDays := json_ext.get_string(json(v_smsContent),'riseDays');
        v_productId := json_ext.get_string(json(v_smsContent),'productId');
        dbms_output.put_line('serviceParam:'||v_smsContent||' vouchersRuleId='||v_vouchersRuleId||' period='||v_period||' rateRises='||v_rateRises||' riseDays='||v_riseDays||' productId='||v_productId);
    end loop;
END PRC_BIRTH_DATA;

SQL> set serveroutput on;
SQL> set serveroutput on size 1000000;
SQL> exec PRC_BIRTH_DATA;

serviceParam:{"vouchersRuleId":"1009","period":"30"} vouchersRuleId=1009 period=30 rateRises= riseDays= productId=
serviceParam:{"rateRises":"0.5","riseDays":"5","productId":"109","period":"30"} vouchersRuleId= period=30 rateRises=0.5 riseDays=5 roductId=109

PL/SQL procedu
re successfully completed

set serveroutput on;控制台显示。
set serveroutput on size 1000000;控制台显示最大数。