GOOCODE - Find your code/scripts

1 HTML5's FILE api has a slice method that splits the BLOB object. The front end obtains the corresponding file through the FileList object, segments the large file according to the specified splitting manner, and then passes it to the back end one by one, and then the back end then splicing the files in a sequence.

At present, there are two commonly used methods for resuming breakpoints. One is to upload files through the websocket interface, and the other is through ajax. Both methods have their own advantages. Although websocket sounds more high-end, it uses different ones. The other algorithms outside the protocol are basically similar, and the server needs to open the ws interface. Here, the relatively convenient ajax is used to illustrate the idea of uploading the breakpoint.

1 File upload WEB development in a wide range of applications, we often send microblogging, send micro-channel circle of friends have used the picture upload function. File upload refers to the process of uploading local images, videos, audio files to the server for other users to browse or download. Today, I talk to you about the common file (picture) upload methods and points to deal with.

19 In a lot of applications need to upload the local images and then by size appropriate tailoring to meet the requirements of the website for the size of the picture. The most common is the user system requires users to upload and cut the picture of the application. Today I introduced to you is based on HTML5 and jQuery of the picture upload and clipping plug-in, it is called Croppie.

First, we will load the relevant JS and CSS files in head.

2 Today I have to share is not refreshing the page under the premise of using PHP + jQuery + Ajax multi-picture upload results. Users only need to click to select the picture you want to upload, and then the picture is automatically uploaded to the server and displayed on the page.

In this paper we use an Ajax form submission plugin: jqery.form.js, have an expert to modify a few lines of code and renamed: jquery.wallform.js, directly used.