{"id":36499,"date":"2022-12-12T21:24:16","date_gmt":"2023-03-23T14:21:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8apache-wicket%e9%80%9a%e8%bf%87rest%e8%bf%9b%e8%a1%8c%e6%96%87%e4%bb%b6%e4%b8%8a%e4%bc%a0\/"},"modified":"2024-04-29T05:00:27","modified_gmt":"2024-04-28T21:00:27","slug":"%e4%bd%bf%e7%94%a8apache-wicket%e9%80%9a%e8%bf%87rest%e8%bf%9b%e8%a1%8c%e6%96%87%e4%bb%b6%e4%b8%8a%e4%bc%a0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8apache-wicket%e9%80%9a%e8%bf%87rest%e8%bf%9b%e8%a1%8c%e6%96%87%e4%bb%b6%e4%b8%8a%e4%bc%a0\/","title":{"rendered":"\u4f7f\u7528Apache Wicket\u901a\u8fc7Rest\u8fdb\u884c\u6587\u4ef6\u4e0a\u4f20"},"content":{"rendered":"<h1>\u5230\u76ee\u524d\u4e3a\u6b62\u7684\u6897\u6982<\/h1>\n<p>\u6211\u5728\u4f7f\u7528Apache Wicket\u521b\u5efa\u7684\u67d0\u4e2a\u9879\u76ee\u4e2d\u9047\u5230\u4e86\u9700\u8981\u901a\u8fc7JavaScript\u8fdb\u884c\u6587\u4ef6\u4e0a\u4f20\u5904\u7406\u7684\u573a\u666f\u3002<\/p>\n<p>\u5728 Wicket \u4e2d\u63d0\u5230 Rest \u5c31\u662f\u6307 wicketstuff-restannotations\u3002<br \/>\n\u5728 Qiita \u4e0a\u4e5f\u6709\u524d\u8f88\u53d1\u5e03\u8fc7\u76f8\u5173\u6587\u7ae0\uff0c\u800c\u4e14\u53ea\u8981\u67e5\u770b\u94fe\u63a5\u63d0\u4f9b\u7684\u6587\u6863\uff0c\u5927\u81f4\u4e0a\u5c31\u80fd\u7406\u89e3\u5982\u4f55\u4f7f\u7528\uff0c\u4f46\u5374\u627e\u4e0d\u5230\u5173\u4e8e FileUpload \u7684\u793a\u4f8b\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u603b\u4e4b\uff0c\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u6709\u70b9\u5f3a\u884c\uff0c\u4f46\u6211\u51b3\u5b9a\u7559\u4e0b\u8fd9\u4e2a\u5907\u5fd8\u5f55\uff0c\u8bf4\u6211\u4eec\u662f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6210\u529f\u8fd0\u4f5c\u4e86\u3002<\/p>\n<h1>\u7248\u672c\u4e4b\u7c7b\u7684<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Wicket 8.1.0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">wicketstuff-restannotations 8.1.0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Commons FileUpload \u30d0\u30f3\u30b6\u30a4<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">wicketstuff-restannotations\u306e\u4f7f\u3044\u65b9\u3068\u304b\u306e\u8aac\u660e\u306f\u30ca\u30b7<\/ul>\n<h1>\u5b9e\u65bd\u6216\u8005\u5176\u4ed6\u76f8\u5173\u64cd\u4f5c<\/h1>\n<p>\u5582\uff0c\u6211\u662f\u8c03\u7528\u65b9\u3002\u6709\u70b9\u968f\u4fbf\u3002<br \/>\n\u867d\u7136\u73b0\u5728\u53ef\u80fd\u6709\u4e9b\u8fc7\u65f6\u4e86\uff0c\u6211\u4e5f\u4e0d\u4f1a\u5b8c\u5168\u628a\u5b83\u5f53\u505aJQuery\uff0c\u56e0\u4e3a\u4f60\u77e5\u9053\uff0c\u8fd9\u91cc\u662fWicket\u561b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"nt\">&lt;html&gt;<\/span>\r\n<span class=\"nt\">&lt;body&gt;<\/span>\r\n<span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"file\"<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"file-select\"<\/span> <span class=\"na\">style=<\/span><span class=\"s\">\"display:none\"<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"nt\">&lt;button<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"file-button\"<\/span><span class=\"nt\">&gt;<\/span>\u30d5\u30a1\u30a4\u30eb\u9078\u629e<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n<span class=\"nt\">&lt;script&gt;<\/span>\r\n<span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">#file-button<\/span><span class=\"dl\">'<\/span><span class=\"p\">).<\/span><span class=\"nx\">click<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">#file-select<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"nx\">click<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"nx\">$<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">#file-select<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"nx\">change<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">var<\/span> <span class=\"nx\">file<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">e<\/span><span class=\"p\">.<\/span><span class=\"nx\">target<\/span><span class=\"p\">.<\/span><span class=\"nx\">files<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">file<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">form<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">FormData<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">form<\/span><span class=\"p\">.<\/span><span class=\"nx\">append<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">image<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">file<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]);<\/span>\r\n    <span class=\"kd\">var<\/span> <span class=\"nx\">settings<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">async<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">crossDomain<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">url<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">fileUpload<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">method<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">POST<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">dataType<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">text<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">processData<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">contentType<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">data<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"nx\">form<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"nx\">$<\/span><span class=\"p\">.<\/span><span class=\"nx\">ajax<\/span><span class=\"p\">(<\/span><span class=\"nx\">settings<\/span><span class=\"p\">).<\/span><span class=\"nx\">done<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span> <span class=\"p\">(<\/span><span class=\"nx\">response<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">result<\/span><span class=\"p\">.<\/span><span class=\"nx\">success<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">alert<\/span><span class=\"p\">(<\/span><span class=\"nx\">response<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">});<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"nt\">&lt;\/script&gt;<\/span>\r\n<span class=\"nt\">&lt;\/body&gt;<\/span>\r\n<span class=\"nt\">&lt;\/html&gt;<\/span>\r\n<\/code><\/pre>\n<p>RestResource\u662f\u4e3a\u4e86\u83b7\u53d6FileUpload\u7684FileItem\u800c\u8bbe\u5b9a\u7684\u76ee\u6807\u3002<br \/>\n\u5bf9\u4e8eJSON\u54cd\u5e94\u4e4b\u7c7b\u7684\u4e1c\u897f\u6211\u89c9\u5f97\u901a\u5e38\u662f\u8981\u505a\u7684\uff0c\u4f46\u8fd9\u65b9\u9762\u5c31\u7701\u7565\u6389\u5427\u3002<br \/>\n\u53e6\u5916\uff0c\u867d\u7136\u4e0e\u6b64\u65e0\u5173\uff0c\u4f46\u6211\u4e0d\u592a\u660e\u767dAbstractRestResource\u4e3a\u4ec0\u4e48\u662f\u6cdb\u578b\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">yamane.rest<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.commons.fileupload.FileItem<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.wicketstuff.rest.annotations.MethodMapping<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.wicketstuff.rest.annotations.parameters.RequestBody<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.wicketstuff.rest.contenthandling.mimetypes.RestMimeTypes<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.wicketstuff.rest.resource.AbstractRestResource<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.wicketstuff.rest.utils.http.HttpMethod<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">FileUploadResource<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">AbstractRestResource<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">FileUploadSerialDeserial<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"kd\">public<\/span> <span class=\"nf\">FileUploadResource<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">super<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">FileUploadSerialDeserial<\/span><span class=\"o\">());<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n  <span class=\"nd\">@MethodMapping<\/span><span class=\"o\">(<\/span>\r\n    <span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\/fileUpload\"<\/span><span class=\"o\">,<\/span>\r\n    <span class=\"n\">httpMethod<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">HttpMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">POST<\/span><span class=\"o\">,<\/span>\r\n    <span class=\"n\">produces<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">RestMimeTypes<\/span><span class=\"o\">.<\/span><span class=\"na\">TEXT_PLAIN<\/span>\r\n  <span class=\"o\">)<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">saveImage<\/span><span class=\"o\">(<\/span><span class=\"nd\">@RequestBody<\/span> <span class=\"nc\">FileItem<\/span> <span class=\"n\">item<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ FileItem \u3055\u3048\u53d6\u5f97\u3067\u304d\u308c\u3070\u52dd\u3061\u3060\u3088\u306d\uff01<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">item<\/span><span class=\"o\">.<\/span><span class=\"na\">getFieldName<\/span><span class=\"o\">();<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>&#8220;\u5173\u952e\u7684\u90e8\u5206\u662fIWebSerialDeserial\u3002<br \/>\n\u4ec5\u4ec5\u662f\u83b7\u53d6HttpServletRequest\u5e76\u4f7f\u7528FileUpload\u8fdb\u884c\u89e3\u6790\u800c\u5df2\u3002<br \/>\n\u9664\u4e86\u8fd9\u4e00\u90e8\u5206\uff0c\u5176\u4ed6\u90e8\u5206\u90fd\u76f8\u5f53\u968f\u610f\u3002\u5373\u4f7f\u662f\u5173\u952e\u4ee3\u7801\u4e5f\u8fd8\u662f\u76f8\u5bf9\u968f\u610f\u3002<br \/>\n\u867d\u7136\u6ca1\u4ec0\u4e48\u5173\u7cfb\uff0c\u4f46\u662fSerialDeserial\u8fd9\u4e2a\u540d\u5b57\u600e\u4e48\u6837\u5462\uff1f&#8221;<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">yamane.rest<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.io.File<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.List<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.servlet.ServletContext<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.servlet.ServletResponse<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.servlet.http.HttpServletRequest<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.commons.fileupload.FileItem<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.commons.fileupload.FileUploadException<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.commons.fileupload.disk.DiskFileItemFactory<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.commons.fileupload.servlet.ServletFileUpload<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.wicket.WicketRuntimeException<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.wicket.protocol.http.WebApplication<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.wicket.protocol.http.servlet.ServletWebRequest<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.wicket.request.http.WebRequest<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.wicket.request.http.WebResponse<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.wicketstuff.rest.contenthandling.IWebSerialDeserial<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">FileUploadSerialDeserial<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">IWebSerialDeserial<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"nc\">DiskFileItemFactory<\/span> <span class=\"n\">factory<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DiskFileItemFactory<\/span><span class=\"o\">();<\/span>\r\n\r\n  <span class=\"nc\">FileUploadSerialDeserial<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">ServletContext<\/span> <span class=\"n\">context<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">WebApplication<\/span><span class=\"o\">.<\/span><span class=\"na\">get<\/span><span class=\"o\">().<\/span><span class=\"na\">getServletContext<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">File<\/span> <span class=\"n\">repository<\/span> <span class=\"o\">=<\/span> <span class=\"o\">(<\/span><span class=\"nc\">File<\/span><span class=\"o\">)<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">getAttribute<\/span><span class=\"o\">(<\/span><span class=\"s\">\"javax.servlet.context.tempdir\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">factory<\/span><span class=\"o\">.<\/span><span class=\"na\">setRepository<\/span><span class=\"o\">(<\/span><span class=\"n\">repository<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n  <span class=\"nd\">@Override<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">objectToResponse<\/span><span class=\"o\">(<\/span><span class=\"nc\">Object<\/span> <span class=\"n\">str<\/span><span class=\"o\">,<\/span> <span class=\"nc\">WebResponse<\/span> <span class=\"n\">response<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">mimeType<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">WicketRuntimeException<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">ServletResponse<\/span> <span class=\"n\">sResponse<\/span> <span class=\"o\">=<\/span> <span class=\"o\">(<\/span><span class=\"nc\">ServletResponse<\/span><span class=\"o\">)<\/span> <span class=\"n\">response<\/span><span class=\"o\">.<\/span><span class=\"na\">getContainerResponse<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"n\">sResponse<\/span><span class=\"o\">.<\/span><span class=\"na\">setCharacterEncoding<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">response<\/span><span class=\"o\">.<\/span><span class=\"na\">write<\/span><span class=\"o\">((<\/span><span class=\"nc\">CharSequence<\/span><span class=\"o\">)<\/span> <span class=\"n\">str<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n  <span class=\"nd\">@Override<\/span>\r\n  <span class=\"nd\">@SuppressWarnings<\/span><span class=\"o\">(<\/span><span class=\"s\">\"unchecked\"<\/span><span class=\"o\">)<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"o\">&lt;<\/span><span class=\"no\">T<\/span><span class=\"o\">&gt;<\/span> <span class=\"no\">T<\/span> <span class=\"nf\">requestToObject<\/span><span class=\"o\">(<\/span>\r\n    <span class=\"nc\">WebRequest<\/span> <span class=\"n\">wRequest<\/span><span class=\"o\">,<\/span>\r\n    <span class=\"nc\">Class<\/span><span class=\"o\">&lt;<\/span><span class=\"no\">T<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">argClass<\/span><span class=\"o\">,<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">mimeType<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">WicketRuntimeException<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"nc\">ServletWebRequest<\/span> <span class=\"n\">sRequest<\/span> <span class=\"o\">=<\/span> <span class=\"o\">(<\/span><span class=\"nc\">ServletWebRequest<\/span><span class=\"o\">)<\/span> <span class=\"n\">wRequest<\/span><span class=\"o\">;<\/span>\r\n      <span class=\"nc\">HttpServletRequest<\/span> <span class=\"n\">request<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sRequest<\/span><span class=\"o\">.<\/span><span class=\"na\">getContainerRequest<\/span><span class=\"o\">();<\/span>\r\n      <span class=\"nc\">ServletFileUpload<\/span> <span class=\"n\">fileUpload<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ServletFileUpload<\/span><span class=\"o\">(<\/span><span class=\"n\">factory<\/span><span class=\"o\">);<\/span>\r\n      <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">FileItem<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">items<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fileUpload<\/span><span class=\"o\">.<\/span><span class=\"na\">parseRequest<\/span><span class=\"o\">(<\/span><span class=\"n\">request<\/span><span class=\"o\">);<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"o\">!<\/span><span class=\"n\">items<\/span><span class=\"o\">.<\/span><span class=\"na\">isEmpty<\/span><span class=\"o\">()<\/span> <span class=\"o\">?<\/span> <span class=\"o\">(<\/span><span class=\"no\">T<\/span><span class=\"o\">)<\/span> <span class=\"n\">items<\/span><span class=\"o\">.<\/span><span class=\"na\">get<\/span><span class=\"o\">(<\/span><span class=\"mi\">0<\/span><span class=\"o\">)<\/span> <span class=\"o\">:<\/span> <span class=\"kc\">null<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">FileUploadException<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">WicketRuntimeException<\/span><span class=\"o\">(<\/span><span class=\"n\">e<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n  <span class=\"nd\">@Override<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">boolean<\/span> <span class=\"nf\">isMimeTypeSupported<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">mimeType<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"kc\">true<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u8fd9\u6b21\u5c31\u5230\u8fd9\u91cc\u5427<\/h1>\n<p>\u6240\u4ee5\uff0c\u901a\u8fc7JavaScript\u6210\u529f\u83b7\u53d6\u4e86\u6587\u4ef6\u3002<br \/>\n\u867d\u7136\u8fd9\u7bc7\u6587\u7ae0\u6bd4\u8f83\u968f\u610f\uff0c\u8bf7\u539f\u8c05\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5230\u76ee\u524d\u4e3a\u6b62\u7684\u6897\u6982 \u6211\u5728\u4f7f\u7528Apache Wicket\u521b\u5efa\u7684\u67d0\u4e2a\u9879\u76ee\u4e2d\u9047\u5230\u4e86\u9700\u8981\u901a\u8fc7JavaScript\u8fdb\u884c\u6587\u4ef6 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36499","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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