image_location是形如/xxxx/image_tmp/2007/6/1/14/的 路径字符串
目的是想 从 /xxxx/image_tmp/2007/6/1/14/或
/xxxx/image_tmp1/2007/6/1/14/路径读取图像
下面这样写行么? String Imagetem= image_location;
String Imagetem1=Imagetem.replace("mage_tmp","mage_tmp1");
File file = new File(String.valueOf(Imagetem).concat(String.valueOf(image_file_name)));
if(file.exists()){
buffer = new byte[(int)file.length()];
FileInputStream in = new FileInputStream(file.getAbsolutePath());
in.read(buffer);
in.close();
}
else{
file =new File(String.valueOf(Imagetem1).concat(String.valueOf(image_file_name)));
buffer = new byte[(int)file.length()];
FileInputStream in = new FileInputStream(file.getAbsolutePath());
in.read(buffer);
in.close();
}
目的是想 从 /xxxx/image_tmp/2007/6/1/14/或
/xxxx/image_tmp1/2007/6/1/14/路径读取图像
下面这样写行么? String Imagetem= image_location;
String Imagetem1=Imagetem.replace("mage_tmp","mage_tmp1");
File file = new File(String.valueOf(Imagetem).concat(String.valueOf(image_file_name)));
if(file.exists()){
buffer = new byte[(int)file.length()];
FileInputStream in = new FileInputStream(file.getAbsolutePath());
in.read(buffer);
in.close();
}
else{
file =new File(String.valueOf(Imagetem1).concat(String.valueOf(image_file_name)));
buffer = new byte[(int)file.length()];
FileInputStream in = new FileInputStream(file.getAbsolutePath());
in.read(buffer);
in.close();
}
解决方案 »
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最后少了两句
servletoutputstream.write(buffer, 0, buffer.length);
servletoutputstream.close();