在HTTP里怎么传送图片啊？

strolls 2004-04-02 03:14:41

规定一个接口
要要求把图片和图片的类型一起传送过去
怎么样实现发送和接收啊？

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thinkinlove 2004-04-02

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顶下强人的

gjd111686 2004-04-02

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<%@ page contentType="text/html; charset=gb2312"%>
<%@ include file="/DataIni/DataOpen.jsp"%>
<%@ include file="/ScriptLib/Init.jsp"%>
<%
InputStream InData=null;
int iSize,iLength;
iLength=request.getContentLength();
byte[] Buffer=new byte[iLength];
byte[] Byte_File;
if(iLength>0)
{
InData=request.getInputStream();
String ContentType=request.getContentType();
iSize=InData.read(Buffer);
if(iSize!=-1)
{
//数据处理开始
String FileData=new String(Buffer);

//正则字串:"name=\"";
//正则字串:"filename=\"";

String strSplit=ContentType.substring(ContentType.lastIndexOf("=")+1,ContentType.length());
String strSub[]=FileData.split(strSplit);

String strElement;
int iBegin,iEnd;
iBegin=0;iEnd=0;
String FieldName,FieldValue;
int bTrue;
bTrue=0;
int iPos;
iPos=0;
int iLocation;
iLocation=0;
for(int iIndex=0;iIndex<strSub.length;iIndex++)
{
strElement=strSub[iIndex];
iBegin=strElement.indexOf("name=\"",0);
if(iBegin!=-1)
{
iEnd=strElement.indexOf("\"",iBegin+6);
FieldName=strElement.substring(iBegin+6,iEnd);
iBegin=strElement.indexOf("filename=\"",0);
if(iBegin!=-1)
{
bTrue=1;
}
//
iEnd=strElement.indexOf("\r\n\r\n",0);
if(bTrue==1)
{
iLocation=0;
iPos=FileData.indexOf("filename=\"",iPos);
iPos=FileData.indexOf("\n",iPos)+1;
iPos=FileData.indexOf("\n",iPos)+1;
iPos=FileData.indexOf("\n",iPos)+1;
iLocation=FileData.indexOf(strSplit,iPos)-4;
FieldValue=FileData.substring(iPos,iLocation);
byte[] Byte_File_=FieldValue.getBytes();
Byte_File=new byte[Byte_File_.length];
for(int kIndex=0;kIndex<Byte_File_.length;kIndex++)
{
Byte_File[kIndex]=Buffer[iPos+0+kIndex];
//0:Excel
//0:Word
//
}
session.putValue(FieldName,Byte_File);
}
else
{
FieldValue=strElement.substring(iEnd+4);
session.putValue(FieldName,FieldValue.substring(0,FieldValue.indexOf("\n")-1));
}
bTrue=0;
}
}
//数据处理结束

String TypeValue,Id;
TypeValue=(String)session.getValue("TypeValue");
if(TypeValue!=null)
{
int iDoAction;
iDoAction=0;
if(TypeValue.indexOf("Add",0)!=-1)
{iDoAction=1;}
if(TypeValue.indexOf("Modify")!=-1)
{iDoAction=2;}
if(TypeValue.indexOf("Del")!=-1)
{iDoAction=3;}
odbcQuery="";
Id=(String)session.getValue("RecordId");
boolean bDefault;
int iC;
oracle.sql.BLOB m_Blob;
switch(iDoAction)
{
case 1:
bDefault=odbcConn.getAutoCommit();
odbcConn.setAutoCommit(false);
odbcStmt.executeUpdate("insert into MediaLib(ID,Category,Type,MediaFile,Remark) values(IDSERIAL.nextval,'"+(String)session.getValue("Category")+"','"+(String)session.getValue("Type")+"',EMPTY_BLOB(),'"+(String)session.getValue("Remark")+"')");
odbcQuery="select * from MediaLib order by ID asc";
odbcRs=odbcStmt___.executeQuery(odbcQuery);
odbcRs.last();
String iID=String.valueOf((int)odbcRs.getInt("ID"));
odbcQuery="select MediaFile from MediaLib where ID="+iID+" for Update";
odbcRs=odbcStmt___.executeQuery(odbcQuery);
odbcRs.last();
m_Blob=(oracle.sql.BLOB)odbcRs.getBlob("MediaFile");
BufferedOutputStream pOutAdd=new BufferedOutputStream(m_Blob.getBinaryOutputStream());
ByteArrayInputStream pInAdd=new ByteArrayInputStream((byte[])session.getValue("MediaFile"));
while((iC=pInAdd.read())!=-1)
{pOutAdd.write(iC);}
pInAdd.close();
pOutAdd.close();
odbcConn.commit();
odbcConn.setAutoCommit(bDefault);
response.sendRedirect("/System/Media/List.jsp");
break;
case 2:
bDefault=odbcConn.getAutoCommit();
odbcConn.setAutoCommit(false);
odbcStmt.executeUpdate("update MediaLib set MediaFile=EMPTY_BLOB() where ID="+Id);
odbcRs=odbcStmt___.executeQuery(odbcQuery);
odbcRs.last();
m_Blob=(oracle.sql.BLOB)odbcRs.getBlob("MediaFile");
BufferedOutputStream pOutModify=new BufferedOutputStream(m_Blob.getBinaryOutputStream());
ByteArrayInputStream pInModify=new ByteArrayInputStream((byte[])session.getValue("MediaFile"));
while((iC=pInModify.read())!=-1)
{pOutModify.write(iC);}
pInModify.close();
pOutModify.close();
odbcConn.commit();
odbcConn.setAutoCommit(bDefault);
response.sendRedirect("/System/Media/List.jsp");
break;
case 3:
odbcStmt.executeUpdate("delete from MediaLib where ID="+Id);
response.sendRedirect("/System/Media/List.jsp");
break;
}
}

}
}
%>
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title></title>
<link rel="stylesheet" type="text/css" href="/StyleLib/Default_Style_Sheet.css">
</head>

<body onload="window.alert('动作失败,系统取消操作!');window.location.href='/System/Media/List.jsp';">
<%@ include file="/TemplateLib/Head.jsp"%>
<%@ include file="/TemplateLib/Tail.jsp"%>
<%@ include file="/DataIni/DataClose.jsp"%>
</body>

</html>

gjd111686 2004-04-02

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<%@ page contentType="text/html; charset=gb2312"%>
<%@ include file="/DataIni/DataOpen.jsp"%>
<%@ include file="/ScriptLib/Init.jsp"%>
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title></title>
<link rel="stylesheet" type="text/css" href="/StyleLib/Default_Style_Sheet.css">
<script>
function MediaSubmit(TypeValue,Id)
{
MediaForm.TypeValue.value=TypeValue;
MediaForm.RecordId.value=Id;
MediaForm.submit();
}
function ShowMedia(Id,Type)
{
var hwnd=window.open('','','');
switch(Type)
{
case "image/*":
hwnd.document.write("<Img src='/System/Media/Show.jsp?Id="+Id+"&Type="+Type+"' border=0></a>");
break;
case "audio/*":
hwnd.document.write("<BgSound src='/System/Media/Show.jsp?Id="+Id+"&Type="+Type+"' border=0>");
break;
case "video/*":
hwnd.document.write("<Img dynsrc='/System/Media/Show.jsp?Id="+Id+"&Type="+Type+"' border=0></a>");
break;
case "application/msword":
hwnd.location.href="/System/Media/Show.jsp?Id="+Id+"&Type="+Type;
break;
case "application/vnd.ms-excel":
hwnd.location.href="/System/Media/Show.jsp?Id="+Id+"&Type="+Type;
break;
case "application/*":
hwnd.location.href="/System/Media/Show.jsp?Id="+Id+"&Type="+Type;
break;
default:
break;
}
}
</script>
</head>

<body>
<%@ include file="/TemplateLib/Head.jsp"%>
<center>
<form action="Result.jsp" method="post" name="MediaForm" enctype="multipart/form-data">
<input type="hidden" name="TypeValue" size="10" value="">
<input type="hidden" name="RecordId" size="10" value="">
<table border="0" cellpadding="0" cellspacing="0" width="80%">
<tr>
<td width="10%" class="TdClass_Head">多媒体库</td>
</tr>
</table>
<br>
<table border="0" width="80%" cellspacing="0" cellpadding="0">
<tr>
<td width="10%" class="TdClass_0">媒体描述</td>
<td width="30%" class="TdClass_0">媒体分类</td>
<td width="10%" class="TdClass_0">媒体类型</td>
<td width="40%" class="TdClass_0">媒体文件</td>
<td width="10%" class="TdClass_0">执行操作</td>
</tr>
<tr>
<td width="10%" class="TdClass_1"><input name="Remark" size="10" value=""></td>
<td width="30%" class="TdClass_1">
<select name="Category" size=1 style="width:80%">
<option value="">--请选择--</option>
<%
odbcQuery="select distinct Category from MediaLib";
odbcRs=odbcStmt.executeQuery(odbcQuery);
String Category;
while(odbcRs.next())
{
Category=odbcRs.getString("Category");
%>
<option value="<%=Category%>"><%=Category%></option>
<%
}
odbcRs.close();
%>
</select>
<script>
function AddCategory()
{
var m_Category="";
m_Category=window.prompt("请输入媒体分类","");
if(m_Category!="")
{
MediaForm.Category.length=MediaForm.Category.length+1;
MediaForm.Category.options[MediaForm.Category.length-1].text=m_Category;
MediaForm.Category.options[MediaForm.Category.length-1].value=m_Category;
MediaForm.Category.options[MediaForm.Category.length-1].selected="selected";
}
}
</script>
<input type="button" value="." id="" name="" onclick="AddCategory()">
</td>
<td width="20%" class="TdClass_1">
<select name="Type" size=1 style="width:80%">
<option value="">--请选择--</option>
<option value="image/*">图像</option>
<option value="audio/*">音频</option>
<option value="video/*">视频</option>
<option value="application/msword">文档</option>
<option value="application/vnd.ms-excel">表格</option>
<option value="application/*">应用</option>
</select>
</td>
<td width="30%" class="TdClass_1"><input type="file" name="MediaFile" size="10" value=""><a href="#">浏览媒体</a></td>
<td width="10%" class="TdClass_1"><input type="button" onclick="MediaSubmit('Add','NULL')" value="增加" id=Add name=Add></td>
</tr>
<%
odbcQuery="select * from MediaLib";
odbcRs_=odbcStmt.executeQuery(odbcQuery);
String Id,Type;
int iCount;
iCount=0;
while(odbcRs_.next())
{
Id=odbcRs_.getString("ID");
Type=odbcRs_.getString("Type");
if(iCount%2==0)
{
%>
<tr>
<td width="10%" class="TdClass_0"><input name="Remark<%=Id%>" size="10" value="<%=odbcRs_.getString("Remark")%>"></td>
<td width="30%" class="TdClass_0"><input name="Category<%=Id%>" size="10" value="<%=odbcRs_.getString("Category")%>" readonly></td>
<td width="10%" class="TdClass_0"><input name="Type<%=Id%>" size="10" value="<%=Type%>" readonly></td>
<td width="40%" class="TdClass_0"><input type="file" name="MediaFile<%=Id%>" size="10" value=""><a href="#" onclick="ShowMedia('<%=Id%>','<%=Type%>')">浏览媒体</a></td>
<td width="10%" class="TdClass_0"><input type="button" onclick="MediaSubmit('Modify','<%=Id%>')" value="修改" id=Modify name=Modify><input type="button" onclick="MediaSubmit('Del','<%=Id%>')" value="删除" id=Del name=Del></td>
</tr>
<% }else{%>
<tr>
<td width="10%" class="TdClass_1"><input name="Remark<%=Id%>" size="10" value="<%=odbcRs_.getString("Remark")%>"></td>
<td width="30%" class="TdClass_1"><input name="Category<%=Id%>" size="10" value="<%=odbcRs_.getString("Category")%>" readonly></td>
<td width="10%" class="TdClass_1"><input name="Type<%=Id%>" size="10" value="<%=Type%>" readonly></td>
<td width="40%" class="TdClass_1"><input type="file" name="MediaFile<%=Id%>" size="10" value=""><a href="#" onclick="ShowMedia('<%=Id%>','<%=Type%>')">浏览媒体</a></td>
<td width="10%" class="TdClass_1"><input type="button" onclick="MediaSubmit('Modify','<%=Id%>')" value="修改" id=Modify name=Modify><input type="button" onclick="MediaSubmit('Del','<%=Id%>')" value="删除" id=Del name=Del></td>
</tr>
<%
}
iCount++;
}
odbcRs_.close();
%>
</table>
<table border="0" cellpadding="0" cellspacing="0" width="80%">
<tr>
<td width="100%" class="TdClass_Head"><input type="button" value="返回" id="Return" name="Return" onclick="window.location.href='/System/Index.jsp'"></td>
</tr>
</table>
</form>
</center>
<%@ include file="/TemplateLib/Tail.jsp"%>
<%@ include file="/DataIni/DataClose.jsp"%>
</body>

</html>

gjd111686 2004-04-02