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1.下载formidable模块 npm installformidable 2.在项目中引用 constformidable=require('formidable'); 3.创建表单解析对象 constform=newformidable.IncomingForm(); 4.配置上传文件的存放位置 form.uploadDir = path.join(文件存放位置); 5.保留上传文件的后缀 form.keepExtensions = true; 6.解析表单 form.pa...

//设置跨域访问 app.all('*', function (req, res, next) { res.header("Access-Control-Allow-Origin", "*"); res.header("Access-Control-Allow-Headers", "X-Requested-With"); res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS"); re.