使用spring mvc+localResizeIMG实现HTML5端图片压缩上传的功能vue.js实现图片文件批量上传代码html+css+js 实现拍照预览上传图片功能基于vue.js框架制作图片上传组件特效源码JS实现手机端多图片上传删除特效源码JS实现的图片上传对比度饱和度调整特效源码图片上传插件ImgUploadJS：用HTML5 File API 实现截图粘贴上传、拖拽上HTML5结合zyfile.js插件实现的多文件图片预览上传功能特效源码JS实现上传选择图片功能代码

function fileChange(that){ var filepath=$(that).val(); if(filepath=="") { return; } var extStart=filepath.lastIndexOf("."); var ext=filepath.substring(extStart,filepath.length).toUpperCase(); if(".jpg|.png|.bmp|.jpeg".toUpperCase().indexOf(ext.toUpperCase())==-1){ alert("只允许上传jpg、png、bmp、jpeg格式的图片"); return false; } //以图片宽度为800进行压缩 lrz(that.files[0], { width: 800 }) .then(function (rst) { //压缩后异步上传 $.ajax({ url : "<%=request.getContextPath()%>/common/fileUploadPicture", type: "POST", data : { imgdata:rst.base64//压缩后的base值 }, dataType:"json", cache:false, async:false, success : function(data) { if(data.success) { alert(data.message);///data.message为上传成功后的文件路径 }else{ alert(data.message);///data.message为上传失败原因 } }, error : function(){ alert("上传失败"); } }); }); } 

import sun.misc.BASE64Decoder;//导入的base64的类 /** * 文件上传 */ @ResponseBody @RequestMapping("common/fileUploadPicture") public Object fileUploadPicture(String imgdata, HttpServletRequest request) { LOGGER.info("[文件上传（fileUploadPicture）][params:imgdata=" + imgdata + "]"); BASE64Decoder decoder = new BASE64Decoder(); try { String basePath = request.getRealPath("/upload_files"); string imgPath=basePath+"/test.jpg"; // new一个文件对象用来保存图片，默认保存当前工程根目录 File imageFile = new File(imgPath); // 创建输出流 FileOutputStream outputStream = new FileOutputStream(imageFile); // 获得一个图片文件流，我这里是从flex中传过来的 byte[] result = decoder.decodeBuffer(imgdata.split(",")[1]);//解码 for (int i = 0; i < result.length; ++i) { if (result[i] < 0) {// 调整异常数据 result[i] += 256; } } outputStream.write(result); return new Result(true, imgPath); } catch (AppException e1) { LOGGER.error("[文件上传（fileUpload）-fastdfs][errors:" + e1 + "]"); return new Result(false, "文件上传失败"); } catch (Exception e) { LOGGER.error("[文件上传（fileUpload）][errors:" + e + "]"); return new Result(false, "文件上传失败"); }finally{ outputStream.flush(); outputStream.close(); } } 

import java.io.Serializable; public class Result implements Serializable{ private static final long serialVersionUID = 1L; private boolean success; private String message; public Result() { success = true; } public Result(boolean success, String message) { this.success = success; this.message = message; } public boolean isSuccess() { return success; } public void setSuccess(boolean success) { this.success = success; } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } @Override public String toString() { return "Result [success=" + success + ", message=" + message + "]"; } }