pear install HTTP_Download-1.1.2.tar 出错了,请高人指点小弟

Question

pear install HTTP_Download-1.1.2.tar 出错了,请高人指点小弟
C:\Documents and Settings\Administrator>pear install HTTP_Download-1.1.2.tar
PHP Warning:  Module 'mbstring' already loaded in Unknown on line 0
Did not download optional dependencies: pear/Archive_Zip, pear/MIME_Type, use --
alldeps to download automatically
Did not download dependencies: pear/HTTP, use --alldeps or --onlyreqdeps to down
load automatically
pear/HTTP_Download can optionally use package "pear/Archive_Zip"
pear/HTTP_Download can optionally use package "pear/MIME_Type"
pear/HTTP_Download can optionally use PHP extension "mime_magic"
pear/HTTP_Download can optionally use PHP extension "pgsql"
pear/HTTP_Header requires package "pear/HTTP" (version >= 1.3.1)
pear/HTTP_Download requires package "pear/HTTP_Header"
No valid packages found
install failed

Answer 1

那你就手动去官方网站上下载了然后解压到INCLUDE_PATH相应的目录