A brief discussion on how to upload images in Bootstrap
Bootstrap中如何上传图片？本篇文章通过示例给大家介绍一下bootstrap上传界面，并介绍一下使用Bootstrap-fileinput插件进行上传图片的方法。
【相关推荐：《bootstrap教程》】
BootStrap上传需要用到Bootstrap-fileinput插件
先来看看bootstrap上传的界面
前台界面代码
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<link href="bootstrap-fileinput/css/bootstrap.min.css" rel="stylesheet">
<link href="bootstrap-fileinput/css/fileinput.css" media="all" rel="stylesheet" type="text/css"/>
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" media="all" rel="stylesheet" type="text/css"/>
<link href="bootstrap-fileinput/themes/explorer-fa/theme.css" media="all" rel="stylesheet" type="text/css"/>
<script src="bootstrap-fileinput/js/jquery.js"></script>
<script src="bootstrap-fileinput/js/plugins/sortable.js" type="text/javascript"></script>
<script src="bootstrap-fileinput/js/fileinput.js" type="text/javascript"></script>
<script src="bootstrap-fileinput/js/locales/fr.js" type="text/javascript"></script>
<script src="bootstrap-fileinput/js/locales/es.js" type="text/javascript"></script>
<script src="bootstrap-fileinput/themes/explorer-fa/theme.js" type="text/javascript"></script>
<script src="bootstrap-fileinput/themes/fa/theme.js" type="text/javascript"></script>
<script src="bootstrap-fileinput/js/bootstrap.min.js" type="text/javascript"></script>
<script src="bootstrap-fileinput/js/locales/zh.js"></script>
</head>
<body>
<form enctype="multipart/form-data" action="uploadSuccess.do" >
<div class="container">
<label>图片上传</label>
<div class="file-loading">
<input id="file-fr" name="file" type="file" multiple>
</div>
<!-- <hr style="border: 2px dotted">
<label>Spanish Input</label>
<div class="file-loading">
<input id="file-es" name="file-es[]" type="file" multiple>
</div> -->
<div>
<input type="text" id="userImage" name="userImage" value=""/>
<input type="submit" class="btn btn-success" value="提交"></input>
</div>
</div>
</form>
</body>
<script>
$('#file-fr').fileinput({
theme: 'fa',
language: 'zh',
uploadAsync: true,//异步上传
uploadUrl: 'upload.do',
allowedFileExtensions: ['jpg', 'png', 'gif','mp4'],
maxFileSize:0,
maxFileCount:10
}).on("fileuploaded", function(event,data) { //异步上传成功结果处理
alert(data.response.src);
$("#userImage").val(data.response.src);
})
</script>
</html>二、Controller层代码
package com.llh.controller;
import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.Random;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import com.llh.service.UploadService;
/**
*
* @author Administrator
*
*/
@Controller
@Scope("prototype")
public class UploadController {
@Resource
private UploadService uploadService;
@RequestMapping(value="upload")
public @ResponseBody String upload(HttpServletRequest request,MultipartFile file) throws IllegalStateException, IOException{
String name= file.getOriginalFilename();
String path = request.getServletContext().getRealPath("/upload/");//上传保存的路径
String fileName = changeName(name);
String rappendix = "upload/" + fileName;
fileName = path + "\\" + fileName;
File file1 = new File(fileName);
file.transferTo(file1);
String str = "{\"src\":\"" + rappendix + "\"}";
return str;
}
public static String changeName(String oldName){
Random r = new Random();
Date d = new Date();
String newName = oldName.substring(oldName.indexOf('.'));
newName = r.nextInt(99999999) + d.getTime() + newName;
return newName;
}
}更多编程相关知识，请访问：编程教学！！
The above is the detailed content of A brief discussion on how to upload images in Bootstrap. For more information, please follow other related articles on the PHP Chinese website!
What is Bootstrap? An Introduction for BeginnersApr 22, 2025 am 12:07 AMBootstrapisafreeCSSframeworkthatsimplifieswebdevelopmentbyprovidingpre-styledcomponentsandJavaScriptplugins.It'sidealforcreatingresponsive,mobile-firstwebsites,offeringaflexiblegridsystemforlayoutsandasupportivecommunityforlearningandcustomization.
Bootstrap Demystified: A Simple ExplanationApr 21, 2025 am 12:13 AMBootstrapisafree,open-sourceCSSframeworkthathelpscreateresponsive,mobile-firstwebsites.1)Itoffersagridsystemforlayoutflexibility,2)includespre-styledcomponentsforquickdesign,and3)ishighlycustomizabletoavoidgenericlooks,butrequiresunderstandingCSStoop
Bootstrap vs. React: Choosing the Right ApproachApr 20, 2025 am 12:09 AMBootstrap is suitable for quick construction and small projects, while React is suitable for complex and interactive applications. 1) Bootstrap provides predefined CSS and JavaScript components to simplify responsive interface development. 2) React improves performance and interactivity through component development and virtual DOM.
Bootstrap's Purpose: Building Consistent and Attractive WebsitesApr 19, 2025 am 12:07 AMThe main purpose of Bootstrap is to help developers quickly build responsive, mobile-first websites. Its core functions include: 1. Responsive design, which realizes layout adjustments of different devices through a grid system; 2. Predefined components, such as navigation bars and modal boxes, ensure aesthetics and cross-browser compatibility; 3. Support customization and extensions, and use Sass variables and mixins to adjust styles.
Bootstrap vs. Other Frameworks: A Comparative OverviewApr 18, 2025 am 12:06 AMBootstrap is better than TailwindCSS, Foundation, and Bulma because it is easy to use and quickly develop responsive websites. 1.Bootstrap provides a rich library of predefined styles and components. 2. Its CSS and JavaScript libraries support responsive design and interactive functions. 3. Suitable for rapid development, but custom styles may be more complicated.
Integrating Bootstrap Styles in React: Methods and TechniquesApr 17, 2025 am 12:04 AMIntegrating Bootstrap in React projects can be done in two ways: 1) introduced using CDN, suitable for small projects or rapid prototyping; 2) installation using npm package manager, suitable for scenarios that require deep customization. With these methods, you can quickly build beautiful and responsive user interfaces in React.
Bootstrap in React: Advantages and Best PracticesApr 16, 2025 am 12:17 AMAdvantages of integrating Bootstrap into React projects include: 1) rapid development, 2) consistency and maintainability, and 3) responsive design. By directly introducing CSS files or using the React-Bootstrap library, you can use Bootstrap's components and styles efficiently in your React project.
Bootstrap: A Quick Guide to Web FrameworksApr 15, 2025 am 12:10 AMBootstrap is a framework developed by Twitter to help quickly build responsive, mobile-first websites and applications. 1. Ease of use and rich component libraries make development faster. 2. The huge community provides support and solutions. 3. Introduce and use class names to control styles through CDN, such as creating responsive grids. 4. Customizable styles and extension components. 5. Advantages include rapid development and responsive design, while disadvantages are style consistency and learning curve.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
