在QueryWrapper中使用JSON查询 在MySQL 5.7及更高版本中,支持JSON类型的数据字段,并提供了丰富的JSON函数,如JSON_EXTRACT、JSON_CONTAINS等,用于对JSON数据进行查询和操作。在MyBatis-Plus中,我们可以通过QueryWrapper结合这些MySQL的JSON函数来实现对JSON类型字段的查询。 QueryWrapper查询数组字段的示例 假设我们有一个表eq...
String json= JSON.toJSONString(zqlTongYong.selectCom(sindayHelp.getDeclaredFieldsInfoTableName(dq.getZqlCompany()),queryWrapper)) ; zs=JSON.parseArray(json,ZqlCompany.class); returnconMessBack.suss("suss","查询成功",newfxlei(zs)); } 直接写的通用查询类,传QueryWrapper和表名,表名获取方式上面写...
util.JsonUtil; import com.aizuda.snailjob.common.core.util.StreamUtils; import com.aizuda.snailjob.server.common.config.SystemProperties; import com.aizuda.snailjob.server.common.exception.SnailJobServerException; import com.aizuda.snailjob.server.web.annotation.RoleEnum; import com.aizuda.snailjob....
decode(paramsStr, "UTF-8"); SysPosition sysPosition = JSON.parseObject(deString, SysPosition.class); queryWrapper = QueryGenerator.initQueryWrapper(sysPosition, request.getParameterMap()); } } catch (UnsupportedEncodingException e) { e.printStackTrace(); } //Step.2 AutoPoi 导出Excel...
2019-12-06 14:02 −error Couldn't find a package.json file in解决方法:首先初始化,再安装相应的文件 (1). npm init -f //强迫初始化文件 (2). npm install bluebird --save... 效率的九尾 0 10778 [LC] 442. Find All Duplicates in an Array ...
contains(pid)) { List<SysPermissionTree> mapList = listMap.get(pid); if (mapList == null) { mapList = new ArrayList<>(); } mapList.add(new SysPermissionTree(item)); listMap.put(pid, mapList); } } return Result.ok(listMap); } catch (Exception e) { log.erro...
if (!orderIds.contains(record3.getInt("workerOrderId"))) {//工单id,在工单中找到下单人的id orderIds.add(record3.getInt("workerOrderId")); } } StringBuffer sql = new StringBuffer(//用户表关联工单表查询语句 " select wo.orderId, u.unickname, u.upicadress_pic,u.upicadress from workor...
decode(paramsStr, "UTF-8"); SysPosition sysPosition = JSON.parseObject(deString, SysPosition.class); queryWrapper = QueryGenerator.initQueryWrapper(sysPosition, request.getParameterMap()); } } catch (UnsupportedEncodingException e) { e.printStackTrace(); } //Step.2 AutoPoi 导出Ex...