添加了查询最新的三百条火情信息的功能模块

src/main/java/com/xkrs/controller/FireController.java

@@ -47,4 +47,13 @@ public class FireController {
     public String selectFireBetweenTime(@RequestParam("code") String code, @RequestParam("startTime") String startTime, @RequestParam("endTime") String endTime){
         return fireService.selectFireBetweenTime(code,startTime,endTime);
     }
+
+    /**
+     * 查询最新的300条火情信息
+     * @return
+     */
+    @GetMapping("/findThreeHundredData")
+    public String findThreeHundredData(){
+        return fireService.findThreeHundredData();
+    }
 }