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Project requirements: Dynamic addition of table row data, and cell support drop-down box. Solution steps: 1. Write table header content <hr class="layui-bg-green"> <div class="layui-form-item"> <div class="layui-input-inline"> <a class="layui-btn layui-btn-sm add_tr_btn"><i class="layui-icon">& ...

Now all kinds of frameworks and libraries are very powerful, but also because of their powerful functions, many configurations are too heavy, so there are only a few that are really useful. Today, we encapsulate a general-purpose cylindrical graph based on echarts! If you want to know about other components, you can see that other components I ...

First, review and elaborate on quick get start The @Controller, @RestController, @RequestMapping annotations used in the.If you are unfamiliar with Spring MVC and have not tried the Quick Start case, it is recommended that you take a look first quick get start Content. @Controller: Decorates the class to create an object that handles http req ...

1. Preface In the last article, I wrote about refactoring to add extensibility, and I talked about the principle of openness and closeness. The pace of learning can not stop here. Today's article will refer to another principle of development: the principle of single responsibility. Popularly speaking, a function only does one thing. Here we w ...

React is the mainstream front-end framework. Version v16.8 introduces a new API called React Hooks, which overturns previous usage. I. Disadvantages of class Components class Component Writing import React, { Component } from "react"; export default class Button extends Component { constructor() { ...

1. Cat's Eye Movie Criticism Interface http://maoyan.com/films/1217236 If we visit this directly, we can only see the hottest 10 short reviews on the web side. How can we get all the short reviews? (1) Visit the link above, press F12, then click the icon on the picture, change the browsing mode (respo ...

AOP aspect-oriented programming, relative to OOP object-oriented programming. Spring AOP exists to decouple. AOP allows a group of classes to share the same behavior. In OOP, code coupling can only be enhanced by inheriting classes and implementing interfaces, and class inheritance can only be a single inheritance, which prevents more behaviors ...

In the previous article EFK follow-up of log system: monitor alarm monitoring In this paper, we have basically completed the construction and testing of efk monitoring and alarm system. Then, when we switch the log source to online log, there are big problems. The CPU usage rate of fluentd is still high, and the alarm message in kafka is growin ...

java obtains object attribute type, attribute name, attribute value: https://www.cnblogs.com/gmq-sh/p/5942065.html Using java's reflection What is the role of Class classes? (1) Instances of Class classes represent classes and interfaces in running Java applications. One of the benefits of reflect ...

httpApi calls for small program cloud development. httpApi call for small program cloud development (returning "47001 processing") Technology stack Using node JS + express to build web server and axios to request third party http Api nodejsexpressaxios Project structure An application s ...