Programmer Group

AOP configuration based on xml file The notification class object is delivered to Spring for management, that is, the notification class object is configured <! -- 1. Configure the Logger object (here is the notification class) -- > <bean id="logger" class="com.mypro.utils.Logger"></bean> Use the aop:config tab to start ...

1. This time, the server uses HTTP Servlet to return json data First, build a Java Web project and create a Servlet class. The code is implemented in doGet /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse * response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) ...

Bean injection and injection are in the same ApplicationContext, so they are the same BeanFactory. However, Spring supports the ApplicationContext hierarchy, so one context and the associated BeanFactory are considered the parent of another. By nesting ApplicationContext, the configuration can be divided into different files, which is a godsend ...

Although this section is simple, it's very tedious. You can first understand the use of @ RequestMapping. It doesn't matter if you don't understand it very well. First, continue to learn. When you look back again, you will find that @ RequestMapping is so simple! @RequestMapping @RequestMapping can be used on controller classes or controller me ...

1. Project scaffold reference https://www.cnblogs.com/fishyy/p/10313566.html 2. Add spring MVC dependency in parent pom.xml <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http: ...

Here is a simple application of cookie s Tell the user that your last visit time is: XX XX XX XX XX: XX: XX   Train of thought: When visiting the website for the first time, record the current visiting time (new Date()) Write the current time to the client as a cookie (response.addCookie)   In the second visit, the corresponding cookie carried ...

To facilitate the test, the Demo code is given first: mybatis-oracle-config.xml 1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" 3 "http://mybatis.org/dtd/mybatis-3-config.dtd"> 4 5 <configuration> 6 <properties> 7 <property nam ...

Preface: Recently, in a small project for writing experiment reports online that was handed over by a teacher, there was a need to convert the experiment reports submitted by students (in the form of HTML) directly into PDF for easy download and printing. Previously, they were all implemented directly using rdlc reports, but this time they in ...

The simple configuration and use of quartz, through the xml configuration file to achieve the function of quartz. Create a maven project and configure the basic operation preparation. 1. Configure simpleTrigger rules Create a new java class MyBean, as follows package com.lzt.XmlTest; import java.text.SimpleDateFormat; import java.util.Date; ...

Error in v-on handler: "TypeError: Cannot read property 'value' of undefined" Errors are reported as follows: The above error occurred while running the Vue project because its container was initialized before it was generated. First, check whether there are the following operations //The original operation of fetching dom document.getElementB ...