fileuploadbase.html

java 的上传功能很强大的实施上述事实上说是

<a name="115" href="#115">115</a> <em class="jxr_javadoccomment">     */</em>
<a name="116" href="#116">116</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String CONTENT_TYPE = <span class="jxr_string">"Content-type"</span>;
<a name="117" href="#117">117</a> 
<a name="118" href="#118">118</a> 
<a name="119" href="#119">119</a>     <em class="jxr_javadoccomment">/**</em>
<a name="120" href="#120">120</a> <em class="jxr_javadoccomment">     * HTTP content disposition header name.</em>
<a name="121" href="#121">121</a> <em class="jxr_javadoccomment">     */</em>
<a name="122" href="#122">122</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String CONTENT_DISPOSITION = <span class="jxr_string">"Content-disposition"</span>;
<a name="123" href="#123">123</a> 
<a name="124" href="#124">124</a>     <em class="jxr_javadoccomment">/**</em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment">     * HTTP content length header name.</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment">     */</em>
<a name="127" href="#127">127</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String CONTENT_LENGTH = <span class="jxr_string">"Content-length"</span>;
<a name="128" href="#128">128</a> 
<a name="129" href="#129">129</a> 
<a name="130" href="#130">130</a>     <em class="jxr_javadoccomment">/**</em>
<a name="131" href="#131">131</a> <em class="jxr_javadoccomment">     * Content-disposition value for form data.</em>
<a name="132" href="#132">132</a> <em class="jxr_javadoccomment">     */</em>
<a name="133" href="#133">133</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String FORM_DATA = <span class="jxr_string">"form-data"</span>;
<a name="134" href="#134">134</a> 
<a name="135" href="#135">135</a> 
<a name="136" href="#136">136</a>     <em class="jxr_javadoccomment">/**</em>
<a name="137" href="#137">137</a> <em class="jxr_javadoccomment">     * Content-disposition value for file attachment.</em>
<a name="138" href="#138">138</a> <em class="jxr_javadoccomment">     */</em>
<a name="139" href="#139">139</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String ATTACHMENT = <span class="jxr_string">"attachment"</span>;
<a name="140" href="#140">140</a> 
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a>     <em class="jxr_javadoccomment">/**</em>
<a name="143" href="#143">143</a> <em class="jxr_javadoccomment">     * Part of HTTP content type header.</em>
<a name="144" href="#144">144</a> <em class="jxr_javadoccomment">     */</em>
<a name="145" href="#145">145</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String MULTIPART = <span class="jxr_string">"multipart/"</span>;
<a name="146" href="#146">146</a> 
<a name="147" href="#147">147</a> 
<a name="148" href="#148">148</a>     <em class="jxr_javadoccomment">/**</em>
<a name="149" href="#149">149</a> <em class="jxr_javadoccomment">     * HTTP content type header for multipart forms.</em>
<a name="150" href="#150">150</a> <em class="jxr_javadoccomment">     */</em>
<a name="151" href="#151">151</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String MULTIPART_FORM_DATA = <span class="jxr_string">"multipart/form-data"</span>;
<a name="152" href="#152">152</a> 
<a name="153" href="#153">153</a> 
<a name="154" href="#154">154</a>     <em class="jxr_javadoccomment">/**</em>
<a name="155" href="#155">155</a> <em class="jxr_javadoccomment">     * HTTP content type header for multiple uploads.</em>
<a name="156" href="#156">156</a> <em class="jxr_javadoccomment">     */</em>
<a name="157" href="#157">157</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String MULTIPART_MIXED = <span class="jxr_string">"multipart/mixed"</span>;
<a name="158" href="#158">158</a> 
<a name="159" href="#159">159</a> 
<a name="160" href="#160">160</a>     <em class="jxr_javadoccomment">/**</em>
<a name="161" href="#161">161</a> <em class="jxr_javadoccomment">     * The maximum length of a single header line that will be parsed</em>
<a name="162" href="#162">162</a> <em class="jxr_javadoccomment">     * (1024 bytes).</em>
<a name="163" href="#163">163</a> <em class="jxr_javadoccomment">     * @deprecated This constant is no longer used. As of commons-fileupload</em>
<a name="164" href="#164">164</a> <em class="jxr_javadoccomment">     *   1.2, the only applicable limit is the total size of a parts headers,</em>
<a name="165" href="#165">165</a> <em class="jxr_javadoccomment">     *   {@link MultipartStream#HEADER_PART_SIZE_MAX}.</em>
<a name="166" href="#166">166</a> <em class="jxr_javadoccomment">     */</em>
<a name="167" href="#167">167</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> MAX_HEADER_SIZE = 1024;
<a name="168" href="#168">168</a> 
<a name="169" href="#169">169</a> 
<a name="170" href="#170">170</a>     <em class="jxr_comment">// ----------------------------------------------------------- Data members</em>
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a> 
<a name="173" href="#173">173</a>     <em class="jxr_javadoccomment">/**</em>
<a name="174" href="#174">174</a> <em class="jxr_javadoccomment">     * The maximum size permitted for the complete request, as opposed to</em>
<a name="175" href="#175">175</a> <em class="jxr_javadoccomment">     * {@link #fileSizeMax}. A value of -1 indicates no maximum.</em>
<a name="176" href="#176">176</a> <em class="jxr_javadoccomment">     */</em>
<a name="177" href="#177">177</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> sizeMax = -1;
<a name="178" href="#178">178</a> 
<a name="179" href="#179">179</a>     <em class="jxr_javadoccomment">/**</em>
<a name="180" href="#180">180</a> <em class="jxr_javadoccomment">     * The maximum size permitted for a single uploaded file, as opposed</em>
<a name="181" href="#181">181</a> <em class="jxr_javadoccomment">     * to {@link #sizeMax}. A value of -1 indicates no maximum.</em>
<a name="182" href="#182">182</a> <em class="jxr_javadoccomment">     */</em>
<a name="183" href="#183">183</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> fileSizeMax = -1;
<a name="184" href="#184">184</a> 
<a name="185" href="#185">185</a>     <em class="jxr_javadoccomment">/**</em>
<a name="186" href="#186">186</a> <em class="jxr_javadoccomment">     * The content encoding to use when reading part headers.</em>
<a name="187" href="#187">187</a> <em class="jxr_javadoccomment">     */</em>
<a name="188" href="#188">188</a>     <strong class="jxr_keyword">private</strong> String headerEncoding;
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>     <em class="jxr_javadoccomment">/**</em>
<a name="191" href="#191">191</a> <em class="jxr_javadoccomment">     * The progress listener.</em>
<a name="192" href="#192">192</a> <em class="jxr_javadoccomment">     */</em>
<a name="193" href="#193">193</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/commons/fileupload/ProgressListener.html">ProgressListener</a> listener;
<a name="194" href="#194">194</a> 
<a name="195" href="#195">195</a>     <em class="jxr_comment">// ----------------------------------------------------- Property accessors</em>
<a name="196" href="#196">196</a> 
<a name="197" href="#197">197</a> 
<a name="198" href="#198">198</a>     <em class="jxr_javadoccomment">/**</em>
<a name="199" href="#199">199</a> <em class="jxr_javadoccomment">     * Returns the factory class used when creating file items.</em>
<a name="200" href="#200">200</a> <em class="jxr_javadoccomment">     *</em>
<a name="201" href="#201">201</a> <em class="jxr_javadoccomment">     * @return The factory class for new file items.</em>
<a name="202" href="#202">202</a> <em class="jxr_javadoccomment">     */</em>
<a name="203" href="#203">203</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../../org/apache/commons/fileupload/FileItemFactory.html">FileItemFactory</a> getFileItemFactory();
<a name="204" href="#204">204</a> 
<a name="205" href="#205">205</a> 
<a name="206" href="#206">206</a>     <em class="jxr_javadoccomment">/**</em>
<a name="207" href="#207">207</a> <em class="jxr_javadoccomment">     * Sets the factory class to use when creating file items.</em>
<a name="208" href="#208">208</a> <em class="jxr_javadoccomment">     *</em>
<a name="209" href="#209">209</a> <em class="jxr_javadoccomment">     * @param factory The factory class for new file items.</em>
<a name="210" href="#210">210</a> <em class="jxr_javadoccomment">     */</em>
<a name="211" href="#211">211</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> setFileItemFactory(<a href="../../../../org/apache/commons/fileupload/FileItemFactory.html">FileItemFactory</a> factory);
<a name="212" href="#212">212</a> 
<a name="213" href="#213">213</a> 
<a name="214" href="#214">214</a>     <em class="jxr_javadoccomment">/**</em>
<a name="215" href="#215">215</a> <em class="jxr_javadoccomment">     * Returns the maximum allowed size of a complete request, as opposed</em>
<a name="216" href="#216">216</a> <em class="jxr_javadoccomment">     * to {@link #getFileSizeMax()}.</em>
<a name="217" href="#217">217</a> <em class="jxr_javadoccomment">     *</em>
<a name="218" href="#218">218</a> <em class="jxr_javadoccomment">     * @return The maximum allowed size, in bytes. The default value of</em>
<a name="219" href="#219">219</a> <em class="jxr_javadoccomment">     *   -1 indicates, that there is no limit.</em>
<a name="220" href="#220">220</a> <em class="jxr_javadoccomment">     *</em>
<a name="221" href="#221">221</a> <em class="jxr_javadoccomment">     * @see #setSizeMax(long)</em>
<a name="222" href="#222">222</a> <em class="jxr_javadoccomment">     *</em>
<a name="223" href="#223">223</a> <em class="jxr_javadoccomment">     */</em>
<a name="224" href="#224">224</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getSizeMax() {
<a name="225" href="#225">225</a>         <strong class="jxr_keyword">return</strong> sizeMax;
<a name="226" href="#226">226</a>     }
<a name="227" href="#227">227</a> 
<a name="228" href="#228">228</a> 
<a name="229" href="#229">229</a>     <em class="jxr_javadoccomment">/**</em>
<a name="230" href="#230">230</a> <em class="jxr_javadoccomment">     * Sets the maximum allowed size of a complete request, as opposed</em>
<a name="231" href="#231">231</a> <em class="jxr_javadoccomment">     * to {@link #setFileSizeMax(long)}.</em>
<a name="232" href="#232">232</a> <em class="jxr_javadoccomment">     *</em>
<a name="233" href="#233">233</a> <em class="jxr_javadoccomment">     * @param sizeMax The maximum allowed size, in bytes. The default value of</em>
<a name="234" href="#234">234</a> <em class="jxr_javadoccomment">     *   -1 indicates, that there is no limit.</em>
<a name="235" href="#235">235</a> <em class="jxr_javadoccomment">     *</em>
<a name="236" href="#236">236</a> <em class="jxr_javadoccomment">     * @see #getSizeMax()</em>
<a name="237" href="#237">237</a> <em class="jxr_javadoccomment">     *</em>
<a name="238" href="#238">238</a> <em class="jxr_javadoccomment">     */</em>