javascript - How to avoid duplication of development and maintenance of multiple versions when providing enterprise services? How to design front-end and back-end PHP to improve scalability?

Using PHP to develop enterprise service systems requires providing different versions of the system for different customers. Most of the system requirements for each version are the same. How to avoid repeated development and maintain multiple versions? How to design front-end and back-end PHP to im...

黄舟 2017-05-16 13:15:24 0  1  421

php - Upload multiple pictures on the mobile terminal, but only one is processed in the background

1. Recently, PHP is used to interface with the IOS side. When uploading multiple pictures, the APP side calls the background's upload single picture interface in a loop, and the background saves the picture and stores the path in the database. But the final result is that as many pictures are upload...

伊谢尔伦 2017-05-24 11:30:54 0  1  474

javascript - How to intercept ajax requests sent by `axios` in nodejs?

After a general front-end library sends an ajax request, there will be X-Requested-With:XMLHttpRequest in the response object headers. However, the ajax request sent by axios does not have this field in the response header. How to intercept the front-end request sent by axios in the nodejs code?

巴扎黑 2017-07-05 10:36:01 0  3  855

How to determine if there are duplicate values ​​in an array written to the database

There are many identical arrays name=user[],name=qian[],name=duo[].name=user[],name=qian[],name=duo[]name=user[],name=qian [],name=duo[]1. How to obtain the backend? 2. How does the backend determine that the same value exists in the database and prompts for duplication.

依然是小超 2020-05-31 01:46:29 0  1  890

php - Git ignore How to not only track local files but not delete remote files?

Usually git ignore will no longer track its own local files, and the remote file will be deleted after push. My requirement is that local files will no longer be tracked, and remote files will not be deleted. Otherwise, the code in the remote warehouse will be broken. Think about it, how dangerous i...

大家讲道理 2017-05-25 15:08:28 0  2  1248

Design a database table structure that meets the following business requirements?

I was stumped by the last question in today's interview: (original picture) Design a database table structure that meets the following business needs: 1. A certain merchant holds a lottery for playing games for a period of time. Only users who play the game with 50 points or more can win the lottery...

phpcn_u36412 2018-03-14 23:00:16 0  1  1291

java - How does Spring create different instances of a specific type of bean based on the parameters passed in at startup and call these instances in subsequent business?

Note that instead of simply configuring the bean scope into multiple instances, you need to create different instances according to different parameters at startup, and these created instances need to be called in subsequent business. My current idea is to use factoryBean to proxy the abstracted par...

学习ing 2017-06-23 09:12:52 0  1  748

A typical low-code generation system with separate front-end and back-end, based on Thinkphp Vue ElementUI

This is a typical development framework with separate front-end and back-end, and many front-end and back-end codes can be generated very well without writing code, which greatly reduces the amount of code written by programmers. Improve efficiency and reduce costs! The rapid development system base...

Thinkphp Vue RDS 2022-07-21 08:31:41 0  0  792

javascript - Nested traversal of map and forEach, how to return an array?

Application scenario The filtering of a table may involve multiple filtering conditions. This.filter stores an object of the v-model state of all filtering conditions. this.tableData is an array of all original table data obtained from the backend. this.filteredTableData is the filtered table...

曾经蜡笔没有小新 2017-05-19 10:21:54 0  7  1035

Sharding - Java backend code implementation and best practices after database sharding and table cutting

In the current business, some tables are getting larger and larger, and the pressure is very high when reading (the demand for writing is relatively small), so on the database side, we decided to cut some tables with particularly large amounts of data into tables. However, there are a lot of codes i...

过去多啦不再A梦 2017-06-23 09:12:49 0  5  970

Some experiences and suggestions on Java

Some experiences and suggestions on Java: If you don’t have a foundation to learn Java, you must follow three steps: preview carefully before class, listen carefully in class, and review carefully after class. It looks very simple, but few can actually do it. In addition, Java is an object-oriented ...

黄武斌 2019-12-05 15:41:15 0  0  1171

html - thinkphp3.2.3+mysql problem

The front end is designed like this. Then click to add a summary and there will be one more row. If this continues, you can have as many rows as you want. How can I solve this problem of inserting into the database using thinkphp? Because it was fixed before, but now it is not fixed. I don’t know ho...

漂亮男人 2017-05-24 11:33:35 0  4  614

Newbies looking for literacy

Dear masters, after I finished learning html and css, I should learn back-end database. My friends all said that I should learn PHP, but I have listened to many basic courses of PHP and I was confused. Have I missed any link? ,,Please help the teacher to improve illiteracy!!

汪博正在输入. 2018-09-02 00:14:11 0  1  1327

After cross-class call, method cannot be found

Do static method overloading to achieve chained access to the database exercise demo5.php references the Query.php class and then accesses the method in Query. The page prompts me that the method 'table' is not found in the Database. The following is the source code. I hope it can help. The first er...

方人胥 2021-06-12 17:16:18 1  2  885

php - laravel queue stops monitoring after executing for a period of time. What is the reason?

Use laravel queue to process WeChat payment notifications. When using the queue listening command, the queue executes normally. (The command is php artisan queue:listen). Use database driver. After performing queue monitoring, close the server's terminal. If there is a new task at this time, the que...

过去多啦不再A梦 2017-07-06 10:36:44 0  1  1231

Array - php+mysql one-time update?

Let me ask you, assuming that the member information is retrieved from the database, there is a field called p. Each member's p will have a value. I want to do one. I can "modify the p value of all members at once." How should I handle the PHP backend? That's right? !

代言 2017-06-12 09:19:49 0  5  795

Today's video is 'so messy”

I feel that one set of good tutorials is enough, but now there are many tutorials on the PHP Chinese website, which are complicated and messy. As a novice, after reading several times, I am still talking about mysql_connect, which has been abandoned by php7, to connect to the database.

phpcn_u33089 2020-03-10 15:36:18 0  2  895

PHP gets the contents of TD in TABLE table

I would like to ask everyone, a TABLE form is generated through the database. After the user inputs the data in the form, he wants to get the data entered by the user in the TD form and then save it back to the database. Now I am stuck on how to get the data entered by the user in the form. here. Is...

兰 2019-12-13 10:42:20 0  0  974

PHP automatically performs the login operation after discovering that the login has expired, and then continues the previous step.

Conditions: There is a third-party website, and every step of the operation needs to be logged in. Now I have built a simple front-end page and used PHP to make a springboard in the middle. Process: Every request on the page I built is transmitted to the PHP springboard through ajax, and then the PH...

暖暖橙 2022-06-13 15:06:16 0  1  1263

php - How to split large batches of data?

Hello everyone, there are 10,000 orders in the database, and various calculations need to be performed on the orders every day. The language used is php+mysql. Because so much order data was not considered in the previous design, I used a very conventional method of writing and updating all the data...

女神的闺蜜爱上我 2017-06-24 09:41:39 0  2  982