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Problems about Jason object in Java front end
2022-02-02 22:40:30 【CSDN Q & A】
List<SysDept> dept = deptService.selectCodeEmlNoList(param); dept.forEach(sysDept -> { if (sysDept!=null&&StringUtils.isNotBlank(sysDept.getOrgCusCode())){ JSONObject temp = new JSONObject(); temp.put("code",sysDept.getOrgCusCode()); temp.put("label",sysDept.getOrgCusCode()); temp.put("code1",sysDept.getOldOrgCusCode()); temp.put("label1",sysDept.getOldOrgCusCode()); objectList.add(temp);
You need to query two fields in the database Pass together to the front end Is there any way to put this together
Refer to the answer 1:
“” + ""
Refer to the answer 2:
Refer to the answer 3:
have access to concat
Function together , The sample code is as follows :
select concat(t.field1,t.field2) as f from table_name as t where 1 = 1;
Refer to the answer 4:
copyright notice
author[CSDN Q & A],Please bring the original link to reprint, thank you.
https://en.primo.wiki/2022/02/202202022240285713.html
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