jquery, js knowledge

jquery selector Jquery selector requires two backslashes to escape special characters when fetching elements For example: var orgName=$("#whir$t3198_f4972").val(); A minor question: <div style="WIDTH: 100%" id="whir$t3198-whir$t3198_f4972"> <div class="cls-ui cls-ui-ui207 cls-ui-readonly cls-ui-1003131 ...

Posted on Thu, 02 Jul 2020 10:44:13 -0400 by Tchelo

Three methods of transferring values between parent and child forms in JS

1, In the process of development projects, it is often necessary to transfer values between parent page and child page to obtain parameter data. The following provides three methods to summarize better. This example needs to download bootstrap-table.js , layer.js File, the specific download address is as follows: https: ...

Posted on Wed, 01 Jul 2020 11:54:51 -0400 by Roger Ramjet

JPA many to many (intermediate table) / intermediate table many to many

thank CSDN-treemer thank CSDN-csdndz 1, Example the relationship between the user and the project Note: a User can create multiple projects, and a Project can have multiple users at the same time Relation table 1. entity Users User.java /** * @author LEI * Created by LEI on 2020/6/29. */ @Da ...

Posted on Tue, 30 Jun 2020 04:12:20 -0400 by wilzy

Spring security

The mind map is as follows RBAC authority analysis RBAC is the full name of role-based permission control. This section will describe RBAC from the following aspects: what is RBAC, model classification, what is permission, the use of user groups, and case analysis Mind map Draw a mind map as follows ...

Posted on Mon, 29 Jun 2020 23:20:10 -0400 by Ward

Java MongoDB Save Pictures

This article describes how to save a picture file to MongoDB using the GridFS API.The GridFS API can also save other binary files, such as video and music files. 1. Save pictures The following code uses the photo namespace, and the new filename saves the picture to MongoDB. String newFileName = "mkyong-java-image"; File imageFile = new ...

Posted on Mon, 29 Jun 2020 12:24:51 -0400 by NewPHP_Coder

uni-app+springmvc calls JSAPI to complete H5 WeChat official account payment.

1. The application process and background development configuration of wechat service account merchants are brief. Follow the prompts to do OK, and the focus is on the development process 2. Development process flow chart: Sequence diagram: Development and use framework: the H5 end is implement ...

Posted on Mon, 29 Jun 2020 05:28:39 -0400 by tefuzz

Using @ controlleradvce and ErrorController interfaces in springMvc

Using @ controlleradvce and ErrorController interfaces in springMvc 1, Introduction aop can be used for global processing in spring MVC. Here we introduce another way, with the help of springMvc's controlleradvce annotation and ErrorController interface. 2, ControllerAdvice annotation @Controllera ...

Posted on Mon, 29 Jun 2020 05:25:47 -0400 by lowspeed

Spring Boot & Restful API!

Author: liuxiaopeng https://www.cnblogs.com/paddix/p/8215245.html In the current development process, in order to achieve the maximum separation between the front end and the back end, the back-end interface only provides the data interface. The front-end obtains the data from the back-end through the Ajax request and renders it to the user. ...

Posted on Mon, 29 Jun 2020 04:21:04 -0400 by TCovert

Spring Boot & Restful API!

Author: Liuxia openghttps://www.cnblogs.com/paddix/p/8215245.html In the current development process, in order to achieve the maximum separation between the front end and the back end, the back-end interface only provides the data interface. The front-end obtains the data from the back-end through the Ajax request and renders it to the user. ...

Posted on Mon, 29 Jun 2020 03:57:21 -0400 by summerjamn

The mobile phone or PC uses the map of Gaode and Tencent to obtain the user's current location information

catalog 1, Introduction 2, Map of gaud 3, Tencent map 4, Summary 1, Introduction Recently, in the project, it is necessary to use the function of obtaining the user's current geographic location information, obtaining the scene of the current user's location saved in the database, and supporti ...

Posted on Mon, 29 Jun 2020 03:37:22 -0400 by ragtek