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- Let's talk about how to use JS library to solve the problem of cross-page message and data transmission in small programs
- Since the wx.navigateBack method of the WeChat applet does not support returning values, the data cannot be updated conveniently and immediately after the page is returned.
- Mini Program Development 3067 2021-05-08 09:00:48
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- What should I do if the WeChat applet network times out?
- Solution to WeChat applet network timeout: 1. If the task times out during onLaunch, set the error level to 0 and redirect to the error page; 2. If the page request times out, set the error level to 2 and try again. to repair.
- Mini Program Development 14396 2020-07-14 15:08:11
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- How to configure network request timeout in WeChat applet?
- How to configure the network request timeout for the WeChat applet: first create a WeChat applet directory; then open the [app.json] file and add the request request timeout parameters; then add the uploadFile timeout file; and finally connectSocket to connect the socket timeout.
- Mini Program Development 8084 2020-07-14 14:59:50
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- Several methods for transferring data between WeChat applet pages
- In the development of WeChat applet, we often encounter the problem of data transfer or mutual influence between pages. In the actual development process, this can be achieved through the following methods.
- Mini Program Development 10904 2021-06-22 09:19:20
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- How to develop session management in WeChat applet? Tutorial introduction
- In the development of WeChat applet, each request initiated by wx.request() is a different session for the server. The WeChat applet will not bring the session information back to the server, that is, it corresponds to different sessions on the server. , because the project uses session to save user information, subsequent requests are equivalent to not logging in.
- Mini Program Development 5876 2021-04-25 08:58:22
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- How to refund an order placed on WeChat mini program?
- Method: First open the mini program in WeChat and click "Personal Center"; then click "Pending Shipment"; then click the "Apply for Refund" button, select "Reason for Refund" and select "Submit Application"; finally wait for the seller's reply , just wait for the refund.
- Mini Program Development 41800 2020-07-10 14:39:59
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- WeChat mini program generates QR code with parameters and mini program code
- The WeChat applet generates QR codes with parameters. The official provides three interface calls. You can use them according to your actual situation. I am using interface B and interface C here. Official document address business requirements: Scan the QR code to enter the specified product page. The required parameter is the product id (goods_id). 1. Let’s look at the renderings first: 2. PHP code to implement public function pathImg(){ $goods_id =&n...
- Mini Program Development 263 2020-07-09 13:15:00
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- WeChat applet sharing circle of friends generates posters
- WeChat applet implements sharing to Moments. Nowadays, the common practice is to generate a picture through Canvas, save it, and then forward it to Moments by yourself. A recent project had this requirement, so I recorded it. If you want to scan the QR code on the poster and jump directly to the specified page, then you need to generate a QR code with parameters. First, take a look at the rendering: 1. First write the code into index.wxml code: < view class="container"> &nbs...
- Mini Program Development 237 2020-07-09 13:08:09
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- Analyze the underlying principles of WeChat mini programs
- There are three main methods of page rendering: 1. web rendering 2. Native rendering 3. Mixing of web and Native, that is, Hybrid rendering. The presentation form of mini program is the third one. Why does dual-thread communication require dual threads? ->In order to control security, avoid operating DOM. The rendering layer and logic layer of the mini program are managed by two threads respectively: the interface of the rendering layer uses WebView for rendering, and the logic layer uses JsCore thread to run..._WeChat Mini Program Principle
- Mini Program Development 3713 2020-07-07 14:39:48
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- About mini programs
- Notes to article. Welcome to discuss with you. Please point out if there are errors in the article, some operations that require access to variables in data. We can use ES6 object destructuring and assignment to simplify it. We can use this method not only in small programs.
- Mini Program Development 3036 2020-07-04 09:43:18
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- What is the difference between mini programs and ordinary web development?
- The main development language for small programs is JavaScript. The development of small programs is very similar to ordinary web development. For front-end developers, the cost of migrating from web development to mini program development is not high, but there are still some...
- Mini Program Development 4366 2020-07-04 09:30:28
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- WeChat Mini Program Dark Mode
- Turn on dark mode, configure ["darkmode": true] in app.json, create a new theme configuration file theme.json in the root directory, and configure the path in app.json to import it.
- Mini Program Development 4513 2020-07-04 09:27:47
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- Detailed explanation of mini program payment and refund process
- First of all, let me explain that the main logic of WeChat applet payment is concentrated on the backend. The frontend only needs to carry the data required for payment to request the backend interface and then handle the corresponding success or failure based on the returned results. I use PHP on the backend. Of course, in this blog I am not going to post a bunch of code to illustrate the specific implementation of payment, but will mainly focus on the entire payment process.
- Mini Program Development 7049 2020-07-03 11:23:12
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- Solve the problem of code synchronization execution in small programs
- When making small programs, do you often encounter these two synchronization problems: 1. When using a for loop, the operation in one loop has not yet ended, and the next loop has already started. If there are no interdependencies between loops, this shouldn't be a big problem.
- Mini Program Development 3277 2020-07-02 09:41:38
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- Solving the problem of mini program canvas hiding
- I believe that many times, everyone will encounter the need to use canvas to generate pictures. Of course, I also encountered it. After generating the canvas in the wxml page of the project, I found that adding css to the canvas tag did not work.
- Mini Program Development 4711 2020-07-01 09:54:53
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