清理和更新错误处理

src/biz/strategies/guchengLoadStrategy.ts

@@ -5,5 +5,4 @@ export class guchengLoadStrategy implements dataStrategy {
     execute(): any {
         return randomStatusGenerator.getRandomStatus();
     }
-
 }
\ No newline at end of file

src/biz/strategies/sightVisitorFlowByDayStrategy.ts

@@ -17,7 +17,6 @@ export class sightVisitorFlowByDayStrategy implements dataStrategy {
 
     private getVisitorFlowByDay(data: any, date: string) {
         const visitorCount: { [sight: string]: { count: number, status: string } } = {};
-
         data.forEach(row => {
             const rowDate = excelSerialToJSDate(row['游玩时间']);
             let rowDateString = '';

src/biz/strategies/strategyFactory.ts

@@ -5,7 +5,7 @@ import { gateStatusStrategy } from "./gateStatusStrategy";
 import { sightVisitorFlowByHourStrategy } from "./sightVisitorFlowPerHourStrategy";
 import { guchengLoadStrategy } from "./guchengLoadStrategy";
 import { totalVisitorFlowStrategy } from "./totalVisitorFlowStrategy";
-import {totalVisitorFlowByHourStrategy} from "./totalVisitorFlowByHourStrategy";
+import { totalVisitorFlowByHourStrategy } from "./totalVisitorFlowByHourStrategy";
 
 export class strategyFactory {
     private static strategies: { [key: string]: new () => dataStrategy } = {
@@ -21,7 +21,7 @@ export class strategyFactory {
     static createStrategy(type: string): dataStrategy {
         const StrategyClass = this.strategies[type];
         if (!StrategyClass) {
-            throw new Error('Invalid strategy type');
+            throw new Error('Invalid strategy type.');
         }
         return new StrategyClass();
     }

src/middleware/httpErrorHandler.ts

@@ -19,6 +19,10 @@ export function httpErrorHandler(err, req, res, next) {
             res.success({success: false, msg: err.message, code: 504});
             next();
         }
+        else if (err.message == "Invalid strategy type.") {
+            res.success({success: false, msg: "不支持该请求", code: 505});
+            next();
+        }
         else {
             res.success({success:false, msg: err.message, code: 500});
             next();