2020年4月27日
后台导出excel模板表头
摘要： 1、添加依赖 <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.17</version></dependency> 2、service层public void download 阅读全文
posted @ 2020-04-27 23:25 summer_only_one 阅读(420) 评论(0) 推荐(0)
用JSONObject取出data【net.sf.json.JSONException: JSONObject["DATA"] is not a JSONArray.】
摘要： 1、单个取出 user.getString("identityCard") 2、取出对象 String userId = getUserId(request); JSONObject user = findByPCAndUserVo(userId, config.getHttpsUrlUserAut 阅读全文
posted @ 2020-04-27 23:10 summer_only_one 阅读(2336) 评论(0) 推荐(0)
SQL 错误 [1055] [42000]: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggreg
摘要： ERROR 1055 (42000): Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'mome.a.type' which is not functionally d 阅读全文
posted @ 2020-04-27 23:04 summer_only_one 阅读(5843) 评论(0) 推荐(0)