springboot对接postgresql框架开发

package com.gd.datascreen.controller; import com.gd.datascreen.service.DataViewService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import java.util.List; import java.util.Map; @RestController public class DataViewController { @Autowired private DataViewService dataViewService; @GetMapping("getReportDatas") public List<Map<String,Object>> getReportDatas(){ List<Map<String,Object>> list = dataViewService.getReportDatas(); return list; } }