Tag:upload

  • Java realizes file upload, download and image preview

    Time:2020-11-19

    This article mainly introduces the Java implementation of file upload, download, image preview, the article through the example code is very detailed, for everyone’s study or work has a certain reference learning value, need friends can refer to Save multiple files locally: @ResponseBody @RequestMapping(value = “/uploadApp”,produces = { “application/json;charset=UTF-8” },method= RequestMethod.POST) public String uploadApp( HttpServletRequest […]

  • PHP to realize local image to Base64 format and upload

    Time:2020-9-5

    When we develop the system, it is inevitable to handle image upload. For example, those who use ThinkPHP are very familiar with import (“@) ORG.UploadFile Today, let’s talk about a method to upload images using HTML5 Base64. It mainly uses the interface of HTML5 FileReader. Since it is HTML5, I won’t say much about the […]

  • Java uses SmartUpload component to upload files

    Time:2020-8-15

    This paper describes the method of Java using SmartUpload component to upload files. Share with you for your reference. The specific analysis is as follows: File upload is a function of almost all websites. Users can upload files to the specified folder of the server or save them in the database. Here, we mainly describe […]

  • ASP.NET Example of core file upload and download (multiple upload methods)

    Time:2020-7-2

    preface Some time ago, the project was on line. I was really busy. Recently, I began to study it ASP.NET Core I’m going to write a series, but I haven’t thought of the catalogue yet ASP.NET Core 2.0 is mature now. Try to use it in the next project text 1. Use model binding to […]

  • Export HTML5 canvas pictures and upload server functions

    Time:2020-6-15

    Export HTML5 canvas pictures and upload them to the server In recent projects, we often meet the needs of canvas to draw pictures, such as jigsaw puzzles, such as picture editing, etc. The pictures processed by canvas must involve preservation, So here’s what you might need~ Ideas: 1. Use todataurl() method to export canvas image, […]

  • Download HTTPS file in Java and upload it to alicloud OSS server

    Time:2020-6-12

    This article mainly introduces how to download HTTPS file in Java and upload it to Alibaba cloud OSS server. The example code is very detailed in this article, which has a certain reference learning value for your study or work. You can refer to the following for friends who need it Today, I did a […]

  • The method of JSP uploading excel and inserting excel into database

    Time:2020-5-27

    In this paper, the method of JSP uploading excel and inserting excel into database is introduced. Share with you for your reference. The details are as follows: This import excel is bound with POJO, (disadvantage) the excle header must be the field value of POJO 1. HTML page: <form method=”post” enctype=”multipart/form-data”> <table> <tr> <td></td> <td> […]

  • An example of image upload and display in JSP

    Time:2020-5-15

    In this paper, an example of JSP image upload and display methods. Share with you for your reference. The details are as follows: 1. Introduction Database applications, especially those based on Web, often involve the storage and display of picture information. Generally, we use the method of storing the image to be displayed in a […]

  • How to solve the problem of spring boot upload file error

    Time:2020-4-13

    This article mainly introduces how to solve the problem of spring boot upload file error. The example code is introduced in detail in this article, which has a certain reference learning value for everyone’s study or work. You can refer to the following for your friends org.springframework.web.multipart.MultipartException: Could not parse multipart servlet request; nested exception […]

  • The whole process of tusd compilation and installation under Windows

    Time:2020-2-11

    Original link: https://github.com/dream4ever Project brief introduction Tus / tusd, this is the official website of the project, which is a back-end service for receiving files uploaded from the front-end page. With the front-end JS library transladit / uppy, you can achieve a complete file upload function. One of the highlights of tusd is that it […]

  • Example of upload and download of attachment under. Net core

    Time:2020-1-28

    This article mainly introduces the upload and download of the next file. To share with you, as follows: File upload and download is also a common function in the system, not verbose, directly on the code to see the specific implementation. File upload . net core receives the file object through iformfile, and then saves […]

  • The uploader of Vue + vant in mobile terminal realizes the function of uploading, compressing and rotating pictures

    Time:2020-1-15

    Development for Baidu html <van-uploader :after-read=”onRead” accept=”image/*”> <img src=”./icon_input_add.png” /> </van-uploader> js data() { return { files: { name: “”, type: “” }, headerImage: null, picValue: null, upImgUrl, } }, //Component method fetch flow async onRead(file) { // console.log(file); // console.log(file.file); This. Files. Name = file. File. Name; // get the file name This. Files. […]