\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n
(1)\u5728html\u4e2d\u5b9a\u4e491\u4e2aform\u8868\u5355<\/p>\n
\r\n<form id=\u201dpicForm\u201d name=\u201dpicForm\u201d action=\u201duploadPic.htm\u201d enctype=\u201dmultipart\/form-data\u201d method=\u201dpost\u201d>\r\n <table>\r\n <tr>\r\n <td>\r\n <label>\u56fe\u7247\uff1a<\/label>\r\n <\/td>\r\n <td>\r\n <input id="picUpload" name="picUpload" type="file">\r\n <\/td>\r\n <\/tr>\r\n <tr>\r\n <td colspan=\u201d2\u2033>\r\n <input type="button" onclick="uploadPic();" value="\u4e0a\u4f20">\r\n <\/td>\r\n <\/tr>\r\n <\/table>\r\n<\/form>\r\n<\/pre>\n(2)\u5b9a\u4e49js\u51fd\u6570<\/p>\n
\r\nfunction uploadPic(){\r\n if($("#picUpload").val()==''){\r\n alert("please select picture first!");\r\n return;\r\n }\r\n var data = new FormData();\r\n data.append('file', document.picForm.picUpload.files[0]);\r\n $.ajax({\r\n type: "POST",\r\n url: "uploadPic.htm",\r\n processData:false,\r\n contentType:false,\r\n data: data,\r\n success: function (data) {\r\n var obj = jQuery.parseJSON(data);\r\n var result = obj.result;\r\n if(result !="1"){\r\n alert("Uploade file fail");\r\n }\r\n else{\r\n alert("Uploade file succeed");\r\n\r\n }\r\n\r\n }\r\n });\r\n}\r\n<\/pre>\n\u6ce8\u610f\u4e0a\u9762\u7684document.picForm.picUpload.files[0]\uff0c\u8fd9\u91cc\uff0cjavascript\u662f\u901a\u8fc7name\u5c5e\u6027\u6765\u627e\u5143\u7d20\u7684\u3002<\/p>\n
(3)\u670d\u52a1\u5668\u7aef\u914d\u7f6e<\/p>\n
\u5728spring\u7684\u914d\u7f6e\u6587\u4ef6\u91cc\u52a0\u5165\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n
\r\n<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">\r\n <!-- one of the properties available; the maximum file size in bytes -->\r\n <property name="maxUploadSize" value="1000000"\/>\r\n<\/bean>\r\n<\/pre>\n(4)\u670d\u52a1\u5668\u7aef\u4ee3\u7801<\/p>\n
\r\n@Controller\r\npublic class MyController {\r\n\r\n@RequestMapping("\/uploadPic.htm")\r\n@ResponseBody\r\npublic void uploadPic(ModelMap modelMap, HttpServletRequest req, HttpServletResponse res)\r\nthrows Exception {\r\n JSONObject json = new JSONObject();\r\n InputStream input = null;\r\n OutputStream output = null;\r\n try{\r\n MultipartHttpServletRequest multipartReq = (MultipartHttpServletRequest) req;\r\n MultipartFile rawFile = multipartReq.getFile("file");\r\n String rawFilename = rawFile.getOriginalFilename();\r\n String saveFileName = "d:\\\\"+rawFilename;\r\n input = rawFile.getInputStream();\r\n output = new BufferedOutputStream(new FileOutputStream(saveFileName));\r\n byte[] buffer = new byte[1024];\r\n int n = -1;\r\n while ((n = input.read(buffer)) != -1) {\r\n output.write(buffer, 0, n);\r\n }\r\n json.put("result", 1);\r\n res.setContentType("text\/html;charset=utf-8");\r\n res.getWriter().write(json.toString());\r\n }\r\n catch(Exception e){\r\n json.put("result", 0);\r\n res.setContentType("text\/html;charset=utf-8");\r\n res.getWriter().write(json.toString());\r\n return;\r\n }\r\n finally{\r\n input.close();\r\n output.close();\r\n }\r\n }\r\n}\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"\u6b65\u9aa4\u5982\u4e0b\uff1a (1)\u5728html\u4e2d\u5b9a\u4e491\u4e2aform\u8868\u5355 <form id=\u201dp … \u7ee7\u7eed\u9605\u8bfb