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%CATALINA_HOME%\lib;%CATALINA_HOME%\bin;
2.ä¿®æ¹tomcatä¸config/server.xml
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<!-- SingleSignOn valve, share authentication between web applications
Documentation at: /docs/config/valve.html -->
<!--
<Valve className="org.apache.catalina.authenticator.SingleSignOn" />
-->
<!-- Access log processes all example.
Documentation at: /docs/config/valve.html
Note: The pattern used is equivalent to using pattern="common" -->
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
prefix="localhost_access_log." suffix=".txt"
pattern="%h %l %u %t "%r" %s %b" resolveHosts="false"/>
<Context docBase="D:\workspace\picture\target\mvc-basic.war" path="/picture"/>
</Host>
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ç±äºææ¯ç¨eclipseå¼åçï¼ä¸é¢é£æ®µçº¢è²çº¿è¡¨ç¤ºæåå¸çä½ç½®ï¼wtpwebappsä¸ï¼æè¯è¿ï¼åªææå¾çæ¾å¨D:\workspace
\.metadata\.plugins\org.eclipse.wst.server.core\tmp4\wtpwebapps\ROOTéé¢é¡¹ç®
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3.代ç
[java] view plain copy
private static final String PICTURE_WEB_INF = "/picture/WEB-INF";
private static final String ROOT_IMAGES_PICTURE = "/ROOT/images/picture";
private static final String IMAGES_PICTURE = "/images/picture";
@RequestMapping(value = "/add",method = RequestMethod.POST)
public String save(Picture picture, HttpServletRequest request) {
this.copyFileAndSaveFile(request, picture);
this.pictureService.save(picture);
return "redirect:/index";
}
private void copyFileAndSaveFile(HttpServletRequest request, Picture material) {
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
for (Map.Entry<String, MultipartFile> entity : multipartRequest.getFileMap().entrySet()) {
MultipartFile mf = entity.getValue();
String uuid = UUID.randomUUID().toString();
String classPath = this.getClass().getClassLoader().getResource("/").getPath();
try {
classPath =URLDecoder.decode(classPath, "gb2312");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
classPath = classPath.split(PICTURE_WEB_INF)[0];
File pictureFile = new File(classPath+ROOT_IMAGES_PICTURE);
if(!pictureFile.exists()){
pictureFile.mkdirs();
}
String path = pictureFile.getPath();
String ext = null;
try {
if (null == mf || mf.isEmpty() || null == mf.getInputStream() || mf.getSize() > 40000000) {
return;
}
ext = Files.getFileExtension(mf.getOriginalFilename());
if(classPath.indexOf("wtpwebapps")!=-1){
path = classPath+ROOT_IMAGES_PICTURE;
}else{
path = classPath+IMAGES_PICTURE;
}
File f = new File(path +"/" + uuid + "." + ext);
Files.createParentDirs(f);
FileCopyUtils.copy(mf.getBytes(), f);
material.setFilePath(IMAGES_PICTURE + "/" + uuid + "." + ext);
material.setFileName(mf.getOriginalFilename());
} catch (IOException e) {
e.printStackTrace();
}
}
}
å 为使ç¨eclipseå¼åçï¼æ以ä¼æ¯indexof(wtpwebapps)ï¼å
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jspï¼
å¦å¤img src好åä¸æ¯æç¨ç»å¯¹è·¯å¾ï¼æ¾ç¤ºä¸åºæ¥ï¼æä¹ä¸ç¥é为ä»ä¹ï¼ç¾åº¦äºå¾å¤é½æ²¡è¯´ï¼ä½æ¯ç»å¯¹è·¯å¾åºè¯¥æ¯ä¸å¯è¡çï¼å 为ææ¶éè¦ç§»æ¤ä»ä¹ç容æåºç°é®é¢ã
[html] view plain copy
<head>
<title>å¾çå表</title>
<script language="javascript" src="./resources/js/jquery-1.8.3.js"> </script>
<script language="javascript" src="./resources/js/jquery.validate.min.js"> </script>
<script language="javascript" src="./resources/js/picture/add.js"> </script>
</head>
<body>
<form action = "<c:url value = "/picture/add"></c:url>" method = "post" id="add_form" enctype="multipart/form-data">
<table class="tab01">
<tr>
<td class="name">å称ï¼</td>
<td><input id = "name" type="text" class="text_input" name="title" placeholder="æ é¢"/></td>
<td><label for="title" class="error" generated="true" style="color:red;font-size:12px;"></label></td>
</tr>
<tr>
<td class="name">ä¸ä¼ å¾çï¼</td>
<td><input type="file" class="text_input" name="file" id="file" placeholder="ä¸ä¼ å¾ç"/></td>
<td><label for="file" class="error" generated="true" style="color:red;font-size:12px;"></label></td>
</tr>
<tr>
<td> </td>
<td colspan="2">
<input type="submit" class="button" id="submitButton" value="æ交" name="reset" />
<input type="reset" class="button" value="éç½®" name="reset" />
</td>
</tr>
</table>
</form>
<br/><br/><br/>
<c:forEach items = "${pictureList }" var = "picture">
<p>${picture.title }</p>
<div><img src="${picture.filePath }" width = "500" height = "500" BORDER="0" ALT="æ å¾ç"/>
</div>
</c:forEach>
</body>
[javascript] view plain copy
$(function(){
jQuery.validator.messages.required = "<span class='error' generated='true' style='color: red; font-size: 12px;'>*请填åæ¤å
容</span>";
jQuery.validator.messages.maxlength = "<span class='error' generated='true' style='color: red; font-size: 12px;'>*已达å°æ大åç¬¦æ° </span>";
jQuery.validator.messages.accept = "<span class='error' generated='true' style='color: red; font-size: 12px;'>*请è¾å
¥æ¥æåæ³åç¼åçå符串 </span>";
$("#add_form").validate({
rules : {
title : {required : true, maxlength :200 },
file : {required : true}
}
});
$("input[type='file']").change(function(){
alert(this.files[0].size);
if(this.files[0].size>300*1024){
alert("å¾ç太大!!å¾çä¸å¤§äº300KB");
$("#submitButton").attr("disabled","disabled");
}else{
$("#submitButton").removeAttr("disabled");
}
});
$("#add_form").submit(function() {
var filepath=$("input[name='file']").val();
var extStart=filepath.lastIndexOf(".");
var ext=filepath.substring(extStart,filepath.length).toUpperCase();
if(ext!=".BMP"&&ext!=".PNG"&&ext!=".GIF"&&ext!=".JPG"&&ext!=".JPEG"){
alert("å¾çéäºbmp,png,gif,jpeg,jpgæ ¼å¼");
return false;
}
return true;
});
});
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