Category：JSP
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Time：2019-8-24
Explain the velocity template to modularize the HTML + JS of Java Web Some of the basic data or other pages on the page are often used as parts, which can be made into small components independently. Components reserve access to call, and the pages needed can be called directly.As shown in the figure, the […]
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Time：2019-8-23
Method of configuring multiple transaction managers (i.e., operating multiple data sources) in Spring 3.0 Most projects require only one transaction manager. However, in some projects, it is better to use multiple transaction managers in order to improve efficiency or to have multiple completely different and unrelated data sources. Smart Spring’s Transactional management has taken this […]
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Time：2019-8-22
The Implementation Principle of Spring AOP and Its Example Spring implements AOP by relying on JDK dynamic proxy and CGLIB proxy. Following is a brief introduction to JDK dynamic proxy and CGLIB proxy JDK dynamic proxy: Its proxy object must be the implementation of an interface, which is to complete the proxy of the target […]
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Time：2019-8-21
An Example of POST Method in HttpClient in JSP The POST method is used to send a request to the destination server, requesting it to accept the entity attached to the request, and to treat it as an additional subitem of the request queue (Request-Line) requesting the resource specified by the URI. POST is designed […]
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Time：2019-8-20
JSP Using Cache Value Error Resolution During this period, it was found that the system occasionally encountered the problem of data disorder in the process of data acquisition. According to logic, A data should be taken out, and B data should be taken out. Check the code carefully.If you find that there is no problem […]
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Time：2019-8-19
The Impact of JSP Session Configuration on Web Applications In the past, the company did a web project. After publishing, with the increasing of visits, it is found that JVM uses more memory, full GC is more frequent, and the size of old area after full GC does not change much. At first, we thought […]
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Time：2019-8-18
Implementation of single browser login for login account in spring MVC project in JSP development Many web products need to be implemented at the same time, only one account can be allowed to login in one browser at the same time. Popularly speaking, when A account is inBrowser 1 logs in, and then logs in […]
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Time：2019-8-17
HTTP protocol itself is a stateless protocol, that is, there is no connection between multiple requests sent continuously by the client, and the next request does not care about the status of the last request. In practice, the server is expected to remember the status of client requests. For example, in the online shopping system, […]
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Time：2019-8-16
As follows: Enumeration headernames=request.getHeaderNames(); while(headernames.hasMoreElements()){ String headername=headernames.nextElement();out.println(headername+”–>”+request.getHeader(headername)+””);} out.println(“”); The above JSP output the name of all the request headers is the way the editor shares all the content, I hope to give you a reference, but also hope that you support more developpaer.
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Time：2019-8-15
JSP Custom Annotation and Recording Operational Log Spring configuration file <aop:aspectj-autoproxy /> Logging Interceptor package com.vem.interceptor; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Pointcut; import org.aspectj.lang.reflect.MethodSignature; import org.springframework.stereotype.Component; import com.vem.entity.BussAnnotation; @Aspect @Component public class LogInterceptor { @Pointcut(“execution(* com.vem.service..*.*(..))”) public void aApplogic() { } /** * Circumferential notifications are used to intercept specified content and record […]
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Time：2019-8-14
Solutions to JSP Struts Filtering XSS Attacks In this scheme, the interceptor filter of struts 2 is used, and the parameters submitted are transcoded to solve the problem. Configure struts. XML <package name=”default” namespace=”/” extends=”struts-default, json-default”> <! – Configure the interceptor – > <interceptors> <! – Define the XSS interceptor – > <interceptor name=”xssInterceptor”></interceptor> <! […]
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Time：2019-8-13
Spring AOP Aspect Solves Database Read-Write Separation Examples In order to alleviate the pressure of the database, the master/slave method is usually used, but this method will bring some troubles to the application. For example, how can the application write data to master library and read data from slave library when reading data? If the […]
