摘要：writes at beginning, sometime we need to save data into localStorage and control its life ourselves , and here is a good open source tool helps do thi 阅读全文

摘要：1. for frontEnd 2. for Java 1 import java.io.Serializable; 2 3 /** 4 * <a href="https://restfulapi.net/http-status-codes/">HTTP Status Codes</a> 5 * r 阅读全文

摘要：1. we need a service get the weather 1 import {Injectable} from '@angular/core'; 2 import {HttpClient, HttpResponse} from '@angular/common/http'; 3 im 阅读全文

摘要：1. fist of all, we have a interface stands for the field type 2. then, we generate a service that can be used as bridge between these components 3. we 阅读全文