http://blog.csdn.net/zqchn/article/details/8770913的补充

FileUtils文件

public 

class 

FileUtils {

    

public 

static 

String getPath(Context context, Uri uri) {

 

        

if 

(

"content"

.equalsIgnoreCase(uri.getScheme())) {

            

String[] projection = {

"_data" 

};

            

Cursor cursor =

null

;

 

            

try 

{

                

cursor = context.getContentResolver().query(uri, projection,

null

,

null

,

null

);

                

int 

column_index = cursor.getColumnIndexOrThrow(

"_data"

);

                

if 

(cursor.moveToFirst()) {

                    

return 

cursor.getString(column_index);

                

}

            

}

catch 

(Exception e) {

                

// Eat it

            

}

        

}

 

        

else 

if 

(

"file"

.equalsIgnoreCase(uri.getScheme())) {

            

return 

uri.getPath();

        

}

 

        

return 

null

;

    

}

}