{"id":342,"date":"2009-11-07T03:02:31","date_gmt":"2009-11-06T19:02:31","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=342"},"modified":"2018-07-29T21:39:27","modified_gmt":"2018-07-29T13:39:27","slug":"ajax-upload%e5%a4%9a%e6%96%87%e4%bb%b6%e4%b8%8a%e4%bc%a0%e6%8f%92%e4%bb%b6%e7%bf%bb%e8%af%91%e5%8f%8a%e4%b8%ad%e6%96%87%e6%bc%94%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2009\/11\/ajax-upload%e5%a4%9a%e6%96%87%e4%bb%b6%e4%b8%8a%e4%bc%a0%e6%8f%92%e4%bb%b6%e7%bf%bb%e8%af%91%e5%8f%8a%e4%b8%ad%e6%96%87%e6%bc%94%e7%a4%ba\/","title":{"rendered":"Ajax Upload\u591a\u6587\u4ef6\u4e0a\u4f20\u63d2\u4ef6\u7ffb\u8bd1\u53ca\u4e2d\u6587\u6f14\u793a"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=342<\/a><\/p>\n

\u539f\u9879\u76ee\u5730\u5740\u4e3a\uff1ahttp:\/\/valums.com\/ajax-upload\/<\/a>
\n\u539f\u9879\u76eeDemo\uff1ahttp:\/\/valums.com\/wp-content\/uploads\/ajax-upload\/upload.htm<\/a><\/div>\n

\u4e00\u3001\u4ee5\u4e0b\u4e3a\u9879\u76ee\u4e3b\u9875\u6b63\u6587\u7ffb\u8bd1\uff08\u5305\u62ec\u4ee3\u7801\u6ce8\u91ca\u7684\u7ffb\u8bd1\uff09\uff1a<\/h3>\n

1\u3001Ajax Upload\u4e0a\u4f20\u63d2\u4ef6<\/h4>\n

\u6d4f\u89c8\u5668\u8feb\u4f7f\u6211\u4eec\u4f7f\u7528\u6587\u4ef6\u8f93\u5165\u63a7\u4ef6(<input type=”file” \/>)\u505a\u4e0a\u4f20\uff0c\u7136\u800c\u6b64\u63a7\u4ef6\u7684\u6837\u5f0f\u662f\u4e0d\u80fd\u4fee\u6539\u7684\u3002\u6b64\u5916\uff0c\u57fa\u4e8e\u8868\u5355\u4e0a\u4f20\u5728\u6d41\u884c\u7684Ajax\u5e94\u7528\u7a0b\u5e8f\u9762\u524d\u663e\u5f97\u8fc7\u65f6\u4e86\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528flash\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f46\u5b9e\u9645\u4e0aJavaScript\u4e5f\u80fd\u505a\u7684\u5f88\u51fa\u8272\u3002<\/p>\n

Ajax Upload\u6587\u4ef6\u4e0a\u4f20\u63d2\u4ef6\u5141\u8bb8\u4f60\u4e0a\u4f20\u591a\u4e2a\u63d2\u4ef6\u800c\u65e0\u9700\u5237\u65b0\u9875\u9762\uff0c\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u7684\u5143\u7d20\u6765\u663e\u793a\u6587\u4ef6\u9009\u62e9\u7a97\u53e3\u3002\u5b83\u53ef\u4ee5\u5728\u6240\u6709\u4e3b\u6d41\u7684\u6d4f\u89c8\u5668\u4e0b\u5de5\u4f5c\uff0c\u4ece2.0\u7248\u672c\u5f00\u59cb\uff0c\u4e0d\u9700\u8981\u4efb\u4f55\u5e93\u8fd0\u884c\u3002Ajax Upload\u6587\u4ef6\u4e0a\u4f20\u63d2\u4ef6\u4e0d\u4f1a\u6c61\u67d3\u4efb\u4f55\u547d\u540d\u7a7a\u95f4\uff0c\u6240\u4ee5\u5b83\u4e0ejQuery\uff0cPrototypejs\uff0cmootools\u5176\u4ed6JavaScript\u5e93\u517c\u5bb9\u3002<\/p>\n

Demo\u5b9e\u4f8b<\/strong>
\n\u4e0b\u9762\u662f\u4e00\u4e2a\u5728jQuery\u4e0b\u4f7f\u7528Ajax Upload<\/a>\u63d2\u4ef6\u7684\u5b9e\u4f8b\u3002<\/p>\n

\u4e0b\u8f7d<\/strong>
\n \u7248\u672c3.6<\/a> \u53d1\u5e03\u4e8e2009-03-10<\/p>\n

\u95ee\u9898\uff0c\u8d21\u732e\u548c\u6700\u65b0\u7248\u672c<\/strong>
\n\u8be5\u9879\u76ee\u6700\u8fd1\u5df2\u7ecf\u79fb\u5230\u4e86GitHub<\/a>\uff0c\u6b22\u8fce\u60a8\u53bb\u6298\u817e\u5b83\u3002\u4e5f\u66f4\u613f\u610f\u60a8\u4f7f\u7528\u201c\u95ee\u9898\u8ddf\u8e2a\uff08issue tracker\uff09<\/a>\u201d\u7559\u4e0b\u610f\u89c1\uff0c\u9519\u8bef\u62a5\u544a\u548c\u8981\u6c42\u3002\u60a8\u5fc5\u987b\u5148\u8981\u5728GitHub\u4e0a\u6ce8\u518c\u624d\u884c\u3002<\/p>\n

2\u3001\u5982\u4f55\u53bb\u4f7f\u7528\u5b83\uff1f<\/h4>\n

\u521b\u5efa\u4e0a\u8f7d<\/strong><\/p>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u6309\u94ae\u3002\uff08\u53ef\u4ee5\u4f7f\u7528\u4efb\u610f\u7684\u5143\u7d20\uff09<\/p>\n

\n
<div id=\"upload_button\">\u4e0a\u4f20<\/div><\/pre>\n<\/div>\n
\u63a5\u4e0b\u6765\uff0c\u60a8\u5e94\u8be5\u521b\u5efaAjax\u4e0a\u4f20\u5b9e\u4f8b\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u521b\u5efa\u6700\u7b80\u5355\u7684\u5f62\u5f0f\uff1a<\/p>\n
\n
\/<\/span>\/ \u60a8\u5fc5\u987b\u5728 DOM \u51c6\u5907\u597d\u4e4b\u540e\u5728\u521b\u5efa\u5b83\n\/\/\u5728jquery\u4e0b\u4f7f\u7528 $(document).ready\n\/\/ prototype\u4e0b\u4e3adocument.observe(\"dom:loaded\"<\/span>\n new AjaxUpload('upload_button_id', {action: 'upload.php'});<\/pre>\n<\/div>\n
\u914d\u7f6eAjax\u4e0a\u4f20<\/strong><\/p>\n
\n
new AjaxUpload('#upload_button_id', {<\/span>\n \/\/ \u670d\u52a1\u5668\u7aef\u4e0a\u4f20\u811a\u672c\n\/\/ \u6ce8\u610f: \u6587\u4ef6\u4e0d\u5141\u8bb8\u4e0a\u4f20\u5230\u53e6\u5916\u4e00\u4e2a\u57df\u4e0a<\/span>\n action: 'upload.php',<\/span>\n \/\/ \u6587\u4ef6\u4e0a\u4f20\u7684\u540d\u5b57<\/span>\n name: 'userfile',<\/span>\n \/\/ \u53d1\u9001\u7684\u9644\u52a0\u6570\u636e<\/span>\n data: {\n   example_key1 : 'example_value',\n   example_key2 : 'example_value2'\n},<\/span>\n \/\/ \u7b5b\u9009\u540e\u63d0\u4ea4\u6587\u4ef6<\/span>\n autoSubmit: true,<\/span>\n \/\/ \u60a8\u5e0c\u671b\u4ece\u670d\u52a1\u5668\u8fd4\u56de\u7684\u6570\u636e\u7c7b\u578b\n\/\/ HTML (text) \u548c XML \u81ea\u52a8\u68c0\u6d4b\n\/\/ \u5f53\u60a8\u4f7f\u7528JSON\u4f5c\u4e3a\u54cd\u5e94\u65f6\u5f88\u5b9e\u7528\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5c31\u8bbe\u7f6e\u4e3a \"json\"\n\/\/ \u4e5f\u8981\u8bbe\u7f6e\u670d\u52a1\u5668\u7aef\u7684\u54cd\u5e94\u7c7b\u578b\u4e3atext\/html, \u5426\u5219\u5728IE6\u4e0b\u662f\u4e0d\u5de5\u4f5c\u7684<\/span>\n responseType: false,<\/span>\n \/\/ \u6587\u4ef6\u9009\u62e9\u540e\u4f7f\u7528\n\/\/ \u5f53autoSubmit\u4e3adisabled\u65f6\u5f88\u7ba1\u7528\n\/\/ \u60a8\u53ef\u4ee5\u901a\u8fc7\u8fd4\u56defalse\u53d6\u6d88\u4e0a\u4f20\n\/\/ @\u53c2\u6570file\u4e3a\u4e0a\u4f20\u6587\u4ef6\u7684\u6587\u4ef6\u540d\n\/\/ @\u53c2\u6570extension\u4e3a\u90a3\u4e2a\u6587\u4ef6\uff08\u540e\u7f00\u540d\uff09<\/span>\n onChange: function(file, extension){},<\/span>\n \/\/ \u6587\u4ef6\u4e0a\u4f20\u65f6\u8c03\u7528\n\/\/ \u60a8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u8fd4\u56defalse \u53d6\u6d88\u4e0a\u4f20\n\/\/ @\u53c2\u6570file\u4e3a\u4e0a\u4f20\u6587\u4ef6\u7684\u6587\u4ef6\u540d\n\/\/ @\u53c2\u6570extension\u4e3a\u90a3\u4e2a\u6587\u4ef6\uff08\u540e\u7f00\u540d\uff09<\/span>\n onSubmit: function(file, extension) {},<\/span>\n \/\/ \u5f53\u6587\u4ef6\u4e0a\u4f20\u5b8c\u6210\u7684\u65f6\u5019\u8c03\u7528\n\/\/ \u8b66\u544a\uff01\u4e0d\u8981\u4f7f\u7528\u201dfalse\u201d\u5b57\u7b26\u4e32\u4f5c\u4e3a\u670d\u52a1\u5668\u7684\u54cd\u5e94\n\/\/ @\u53c2\u6570file \u6307\u4e0a\u4f20\u7684\u6587\u4ef6\u540d\n\/\/ @\u53c2\u6570 response \u6307\u670d\u52a1\u5668\u7684\u54cd\u5e94<\/span>\n onComplete: function(file, response) {}<\/span>\n});<\/pre>\n<\/div>\n
\u6ce8\u610f\uff1a\u4e0d\u8981\u4f7f\u7528\u6570\u636e\u53c2\u6570\u9644\u52a0\u52a8\u6001\u6570\u636e\uff0c\u5c31\u50cf\"data: (txt:textfield.value)\"<\/code>\uff0c\u56e0\u4e3a\u5b83\u5c06\u5728AJAX Upload\u5b9e\u4f8b\u521b\u5efa\u7684\u65f6\u5019\u5206\u914d\u6570\u636e\u4e14\u4ee5\u540e\u4e0d\u4f1a\u6539\u53d8\u3002\u5982\u679c\u4f60\u60f3\u6587\u672c\u6846\u7684\u4f20\u9012\u7684\u5176\u4ed6\u6570\u636e\uff0c\u4f7f\u7528\u5728onSubmit<\/code>\u56de\u8c03\u51fd\u6570\u4e2d\u7684SetData\u65b9\u6cd5\u3002<\/p>\n
\u5b9e\u4f8b\u65b9\u6cd5<\/strong>
\n*submit – \u63d0\u4ea4\u6587\u4ef6\u5230\u670d\u52a1\u5668\uff08\u5f53autoSubmit\u88ab\u7981\u7528\u65f6\u6709\u7528\uff09
\n*disable – \u7981\u7528\u4e0a\u4f20\u6309\u94ae
\n*enable – \u5141\u8bb8\u4e0a\u4f20\u6309\u94ae
\n*destroy – \u6e05\u7406AjaxUpload\u5bf9\u8c61
\n* setData(data) – \u8986\u76d6\u6570\u636e\u53c2\u6570<\/p>\n
\n
\/\/\u60a8\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u914d\u7f6eAJAX\u7684\u4e0a\u4f20<\/span>\n var upload = new AjaxUpload('#div_id',{action: 'upload.php'});<\/span>\n \/\/\u4f8b\u5982\u5f53\u7528\u6237\u9009\u62e9\u4e86\u4e00\u4e9b\u4e1c\u897f\uff0c\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570<\/span>\n upload.setData({'example_key': 'value'});<\/pre>\n<\/div>\n
\n
\/\/\u6216\u8005\u60a8\u53ef\u4ee5\u5728\u4e8b\u4ef6\u51fd\u6570\u4e2d\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5<\/span>\n new AjaxUpload('div_id', {\naction: 'upload.php',\nonSubmit: function() {<\/span>\n \/\/\u4ec5\u5141\u8bb8\u4e00\u4e2a\u4e0a\u4f20<\/span>\n this.disable();\n}\n});\n});<\/pre>\n<\/div>\n
3\u3001\u5982\u4f55\u8bbf\u95ee\u4e0a\u8f7d\u7684\u6587\u4ef6\uff1f<\/h4>\n
\u5bf9\u4e8e\u670d\u52a1\u5668\u7aef\u7684\u4ee3\u7801\uff0c\u6587\u4ef6\u4f3c\u4e4e\u662f\u4ee5\u7b80\u5355\u7684\u5f62\u5f0f\u88ab\u4e0a\u4f20\uff0c\u6240\u4ee5\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u60a8\u60f3\u7528\u7684\u8bed\u8a00\u3002
\n\u60a8\u8bbf\u95ee\u4e0a\u4f20\u6587\u4ef6\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
* PHP: $_FILES['userfile']\n* Rails: params[:userfile]<\/pre>\n
\u8bf7\u6ce8\u610f\uff0c'userfile'<\/code>\u662f\"name\"<\/code>\u9009\u9879\u7684\u9ed8\u8ba4\u503c<\/p>\n
\u60a8\u53ef\u4ee5\u8bbf\u95ee\u5176\u4ed6\u4e00\u4e9b\u53c2\u6570\u901a\u8fc7\uff1a<\/p>\n
* PHP: $_POST['yourkey']\n* Rails: params[:yourkey]<\/pre>\n
\u670d\u52a1\u5668\u7aef\u811a\u672c<\/strong>
\n\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fPHP\u7684\uff0c\u8fd9\u91cc\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6211\u4ecePHP\u624b\u518c\u76f4\u63a5\u83b7\u5f97\u7684\u3002<\/p>\n
\n
$uploaddir = '\/var\/www\/uploads\/';\n$uploadfile = $uploaddir . basename($_FILES['userfile']['name']);<\/span>\n\nif (move_uploaded_file($_FILES['userfile']['tmp_name'], $uploadfile)) {\n  echo \"success\";\n} else {<\/span>\n \/\/ \u8b66\u544a\uff01\u4e0d\u8981\u4f7f\u7528\u5b57\u7b26\u4e32\"FALSE\"\u4f5c\u4e3a\u4e00\u4e2a\u54cd\u5e94\uff01\n\/\/ \u5426\u5219onSubmit \u4e8b\u4ef6\u4e0d\u4f1a\u8c03\u7528<\/span>\n echo \"error\";\n}<\/pre>\n<\/div>\n
ColdFusion\u7684\u6587\u4ef6\u4e0a\u4f20\u3002 \uff08\u9ed8\u8ba4\u51c6\u7cfb\u7edf\u89e3\u51b3\u65b9\u6848\uff09<\/p>\n
\n
<cffunction name=\"uploadFile\" access=\"remote\" output=\"false\">\n  <cfargument name=\"userFile\">\n  <cffile action=\"upload\" fileField=\"userFile\" destination=\"directory\/path\/on\/server\/\">\n  <cfreturn \"whatever\">\n<\/cffunction>\n<\/pre>\n<\/div>\n
\u8fd9\u91cc\u662f\u4e00\u4e2aASPX\u5904\u7406\u7a0b\u5e8f\uff0c\u8bf7\u8fdb\u884c\u4fee\u6539\u4ee5\u6ee1\u8db3\u60a8\u7684\u9700\u8981\uff1a<\/p>\n
\n
using System;\nusing System.Web;\nusing System.IO;\npublic class FileHandler : IHttpHandler\n{\npublic void ProcessRequest(HttpContext context)\n{\nstring strFileName = Path.GetFileName(context.Request.Files[0].FileName);\nstring strExtension = Path.GetExtension(context.Request.Files[0].FileName).ToLower();\nstring strSaveLocation = context.Server.MapPath(\"Upload\") + \"\" + strFileName;\ncontext.Request.Files[0].SaveAs(strSaveLocation);<\/span>\ncontext.Response.ContentType = \"text\/plain\";\ncontext.Response.Write(\"success\");\n}\npublic bool IsReusable\n{\nget\n{\nreturn false;\n}\n}\n}<\/pre>\n<\/div>\n
4\u3001\u5982\u4f55\u53ea\u5141\u8bb8\u67d0\u4e9b\u6587\u4ef6\u7c7b\u578b\uff1f<\/h4>\n
\u6700\u597d\u7684\u65b9\u6cd5\u662f\u68c0\u67e5\u5728onSubmit\u56de\u8c03\u51fd\u6570\u9009\u5b9a\u7684\u6587\u4ef6\u7c7b\u578b\uff0c\u5e76\u8ba9\u51fd\u6570\u8fd4\u56defalse\u53d6\u6d88\u4e0a\u4f20\u9009\u4e2d\u7684\u65e0\u6548\u7684\u6587\u4ef6\u3002\u4f46\u662f\u4e0d\u8981\u5fd8\u8bb0\u6dfb\u52a0\u4e00\u4e2a\u670d\u52a1\u5668\u7aef\u7684\u5b89\u5168\u68c0\u67e5\u3002<\/p>\n
\n
new AjaxUpload('#button2', {\n  action: 'upload.php',\n  onSubmit : function(file , ext){\n    if (! (ext && \/^(jpg|png|jpeg|gif)$\/.test(ext))){<\/span>\n      \/\/ \u6269\u5c55\u540d\u4e0d\u5141\u8bb8<\/span>\n      alert('\u9519\u8bef\uff1a\u65e0\u6548\u7684\u6587\u4ef6\u6269\u5c55\u540d\uff01');<\/span>\n      \/\/ \u53d6\u6d88\u4e0a\u4f20<\/span>\n      return false;\n    }\n  }\n});<\/pre>\n<\/div>\n
5\u3001\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h4>\n
\u63d2\u4ef6\u521b\u5efa\u9690\u5f62\u7684\u6587\u4ef6\u57df\u63a7\u4ef6\u5728\u60a8\u63d0\u4f9b\u7684\u6309\u94ae\u4e0a\u3002\u6240\u4ee5\uff0c\u5f53\u7528\u6237\u70b9\u51fb\u60a8\u7684\u6309\u94ae\u65f6\uff0c\u6b63\u5e38\u7684\u6587\u4ef6\u9009\u62e9\u7a97\u53e3\u5c31\u4f1a\u663e\u793a\u3002\u4e4b\u540e\u7528\u6237\u9009\u62e9\u4e00\u4e2a\u6587\u4ef6\uff0c\u63d2\u4ef6\u63d0\u4ea4\u5305\u542b\u6587\u4ef6\u8f93\u5165\u6846\u63a7\u4ef6\u7684\u8868\u5355\u5230\u4e00\u4e2aiframe\u4e2d\u3002\u56e0\u6b64\uff0c\u8fd9\u4e0d\u662f\u771f\u6b63\u7684Ajax\u4e0a\u4f20\uff0c\u4f46\u540c\u65f6\u5e26\u6765\u4e86\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n
6\u3001\u6388\u6743\u4e0e\u4f7f\u7528\u6761\u6b3e<\/h4>\n
Ajax Upload \u4e0a\u4f20\u63d2\u4ef6\u662f\u5b8c\u5168\u514d\u8d39\u7684\uff0c\u670d\u4eceMIT license<\/a>\u4f7f\u7528\u8bb8\u53ef\u3002<\/p>\n
\u4e8c\u3001\u6211\u4f7f\u7528php\u5236\u4f5c\u7684\u6700\u7b80\u5355\u7684\u56fe\u7247\u4e0a\u4f20\u4f7f\u7528\u6f14\u793a<\/h3>\n
\u9996\u5148\uff0c\u770b\u56fe\uff0c\u7b80\u8ff0\u64cd\u4f5c\u3002<\/h4>\n
1. \u5355\u51fb\u6309\u94ae\uff0c\u9009\u62e9\u56fe\u7247
\n\"\u5355\u51fb\u6309\u94ae\"<\/p>\n
2. \u9009\u62e9\u6570\u5f20\u56fe\u7247\uff0c\u4f8b\u5982\u8fd9\u91cc\u6211\u9009\u4e86\u4e09\u5f20\uff0c\u9009\u5b8c\u53ca\u4e0a\u4f20\uff0c\u7ed3\u679c\u5982\u4e0b
\n\"\u9009\u62e9\u4e09\u5f20\u56fe\u7247\"<\/p>\n
3. \u7ed3\u679c\u5728uploads\u6587\u4ef6\u5939\u4e0b\u9762\u5c31\u53ef\u4ee5\u770b\u5230\u521a\u521a\u4e0a\u4f20\u7684\u4e09\u5f20\u56fe\u7247\u4e86
\n\"\u4e09\u5f20\u4e0a\u4f20\u7684\u56fe\u7247\u6587\u4ef6\"<\/p>\n
\u4ee3\u7801\u8bf7\u53c2\u8003Demo\u6216\u6e90\u6587\u4ef6\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u5355\u51fb\u8fd9\u91cc\uff1a\u4e2d\u6587Demo\u9875\u9762<\/a> | \u7cbe\u7b80\u7248\u6e90\u6587\u4ef6\u4e0b\u8f7d<\/a><\/p>\n
\u8bf4\u660e\uff1a<\/strong>
\n1\u3001\u6e90\u6587\u4ef6\u4e0b\u8f7d\u81f3\u672c\u5730\uff0c\u9700\u8981\u4fee\u6539\u6587\u4ef6\u5904\u7406php\u9875\u9762\u4ee3\u7801\u7684\u8def\u5f84\u3002\u9700\u8981\u5c06\u6b64\u8def\u5f84\u5bf9\u5e94\u4e8e\u60a8\u65b0\u5efa\u7684\u7528\u4ee5\u5b58\u653e\u56fe\u7247\u6216\u5176\u4ed6\u6587\u4ef6\u7684\u6587\u4ef6\u5939\uff1b
\n2\u3001\u6e90\u6587\u4ef6\u4e0e\u5728\u7ebfDemo\u6709\u5dee\u522b\uff0c\u6e90\u6587\u4ef6\u4e2d\u7684Demo\u65e0logo\uff0c\u6392\u7248\uff0c\u5e7f\u544a\u7b49\uff0c\u7eaf\u7cb9\u7684Demo\uff0c\u4ee3\u7801\u7b80\u6d01\uff0c\u5e94\u8be5\u4f1a\u6709\u5e2e\u52a9\u3002
\n3\u3001\u672c\u5b9e\u4f8b\u662f\u80fd\u4e0a\u4f20\u56fe\u7247\uff0c\u60a8\u53ef\u4ee5\u53bb\u6389\u6b63\u5219\u5224\u65ad\uff0c\u4f7f\u652f\u6301\u5176\u4ed6\u683c\u5f0f\u3002
\n4\u3001\u672c\u5b9e\u4f8b\u6ca1\u6709\u4f7f\u7528JavaScript\u5e93\u505a\u8f85\u52a9\uff0c\u8fd9\u662f\u7531\u4e8e\u672c\u8eabAjax Upload\u6587\u4ef6\u4e0a\u4f20\u63d2\u4ef6\u5c31\u662f\u7eaf\u7cb9\u7684JavaScript\u5199\u7684\uff0c\u6240\u4ee5\u4e0d\u4f9d\u8d56\u4e8e\u4efb\u4f55\u7684JavaScript\u5e93\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528JavaScript\u5b9e\u73b0\u591a\u6587\u4ef6\u4e0a\u4f20\u3002
\n5\u3001\u5728\u7ebfDemo\u8bf7\u52ff\u4e0a\u4f20\u654f\u611f\u7684\u56fe\u7247\uff0c\u8c22\u8c22\u5408\u4f5c\u3002<\/p>\n
\u4e09\u3001\u7ed3\u8bed<\/h3>\n
\u8fd9\u6b3eAjax Upload\u591a\u6587\u4ef6\u4e0a\u4f20\u63d2\u4ef6\u8fd8\u662f\u5f88\u53d7\u7528\u7684\uff0c\u672c\u6587\u5c06\u539f\u9879\u76ee\u9875\u9762\u5185\u5bb9\u539f\u5c01\u4e0d\u52a8\u7684\u7ffb\u8bd1\u8fc7\u6765\u4e86\uff0c\u65f6\u95f4\u4ed3\u4fc3\uff0c\u7ffb\u8bd1\u6216\u4e66\u5199\u53ef\u80fd\u6709\u4e0d\u51c6\u786e\uff0c\u6b22\u8fce\u7559\u8a00\u6307\u6b63\u3002\u539f\u9879\u76ee\u7684Demo\u9875\u9762\u6709\u4e9b\u4e71\uff0c\u6240\u4ee5\u6211\u81ea\u5df1\u7528JavaScript+php\u5b9e\u73b0\u4e86\u975e\u5e38\u7cbe\u7b80\u7684\u6587\u4ef6\u4e0a\u4f20\u6f14\u793a\u9875\u9762\uff0c\u5e0c\u671b\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\u56db\u3001\u8865\u5145<\/h3>\n
\u4e0d\u5c11\u4eba\u95ee\u6211\uff0c\u6709\u6ca1\u6709\u652f\u6301file<\/code>\u7c7b\u578binput<\/code>\u7684\u65b9\u6cd5\u3002\u6211\u4eca\u5929\u60f3\u4e86\u60f3\uff0c\u6539\u4e86\u6539\uff0c\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7c7b\u4f3c<input type=\"file\" \/><\/code>\u7684\u6548\u679c\u3002
\n\u9996\u5148\uff0c\u4f60\u9700\u8981\u8c03\u7528\u4fee\u6539\u540e\u7684JavaScript\u6587\u4ef6\uff0c\u70b9\u51fb\u8fd9\u91cc\uff08\u53f3\u952e\u4e0b\u8f7d\uff09\uff1a\u4fee\u6539\u7248JS<\/a>\u3002<\/p>\n
\u5148\u770b\u4e0b\u6548\u679c\uff0c\u622a\u81eaIE6\uff1a
\n\"\u622a\u56fe<\/p>\n
\u539f\u7406\u5982\u4e0b\uff0c\u4f7f\u7528<input id=\"uploadUrl\"><\/code> + <input type=\"button\"><\/code>\u7684\u7ec4\u5408\u6a21\u62df<input type=\"file\" \/><\/code>\u7684\u8868\u73b0\u3002\u7136\u540e\uff0c\u5f53\u9690\u85cf\u7684file<\/code>\u6587\u4ef6\u57df\u53d1\u751f\u6539\u53d8\u7684\u65f6\u5019\uff0c\u8ba9\u5176\u503c\u7b49\u4e8e<input type=\"text\"><\/code>\u7684\u503c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
\u5177\u4f53\u6548\u679c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a\u6548\u679cdemo<\/a><\/p>\n
\u81f3\u4e8e\u4ee3\u7801\u90e8\u5206\uff0c\u8981\u5728JavaScript\u7684\u6700\u540e<\/strong><\/em>\u6dfb\u52a0\u7c7b\u4f3c\u4e8e\u4e0b\u9762\u7684\u51e0\u884c\u4ee3\u7801\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
\n
\nvar oUrl = document.getElementById(\"uploadUrl\"); \/\/\u8981\u663e\u793a\u672c\u5730\u56fe\u7247\u8def\u5f84\u7684\u6587\u672c\u6846\nvar oFile = document.getElementById(\"absFileInput\");\nif(oFile){\n    oFile.onchange = function(){\n        oUrl.value = this.value;\n    };\n}<\/pre>\n<\/div>\n
\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<\/a>[http:\/\/www.zhangxinxu.com<\/a>]
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=342<\/a><\/p>\n
\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
Ajax Upload\u6587\u4ef6\u4e0a\u4f20\u63d2\u4ef6\u5141\u8bb8\u4f60\u4e0a\u4f20\u591a\u4e2a\u63d2\u4ef6\u800c\u65e0\u9700\u5237\u65b0\u9875\u9762\uff0c\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u7684\u5143\u7d20\u6765\u663e\u793a\u6587\u4ef6\u9009\u62e9\u7a97\u53e3\u3002\u5b83\u53ef\u4ee5\u5728\u6240\u6709\u4e3b\u6d41\u7684\u6d4f\u89c8\u5668\u4e0b\u5de5\u4f5c\uff0c\u4ece2.0\u7248\u672c\u5f00\u59cb\uff0c\u4e0d\u9700\u8981\u4efb\u4f55\u5e93\u8fd0\u884c\u3002Ajax Upload\u6587\u4ef6\u4e0a\u4f20\u63d2\u4ef6\u4e0d\u4f1a\u6c61\u67d3\u4efb\u4f55\u547d\u540d\u7a7a\u95f4\uff0c\u6240\u4ee5\u5b83\u4e0ejQuery\uff0cPrototypejs\uff0cmootools\u5176\u4ed6JavaScript\u5e93\u517c\u5bb9\u3002
\n\u6211\u82b1\u8d39\u6570\u5c0f\u65f6\u5c06\u539f\u9879\u76ee\u82f1\u6587\u8bb2\u6f14\u9875\u9762\u539f\u5c01\u4e0d\u52a8\u7684\u7ffb\u8bd1\u8fc7\u6765\uff0c\u5e76\u63d0\u4f9b\u66f4\u52a0\u7b80\u5316\u7684JavaScript+php\u591a\u6587\u4ef6\u4e0a\u4f20\u5b9e\u4f8b\u3002\u672c\u6587\u63d0\u4f9bDemo\u9875\u9762\u4ee5\u53ca\u6e90\u6587\u4ef6\u4e0b\u8f7d\uff0c\u5e0c\u671b\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[198],"tags":[214,9,37,13,225,219,220,221,224,50,222,223],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/342"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=342"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/342\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}