QT目前仅支持在线安装，使用国内镜像，将快速不少，最新的安装程序为：

qt-unified-windows-x86-4.1.1-online.exe

Usage: qt-unified-windows-x86-4.1.1-online.exe [options] command <args> <key=value>

Qt Installer Framework supports both GUI and headless mode. The installation operations can be invoked with the following commands and options. Note that the options marked with "CLI" are available in the headless mode only.

Commands:

in, install - install default or selected packages - <pkg ...>

ch, check-updates - show available updates information on maintenance tool

up, update - update all or selected packages - <pkg ...>

rm, remove - uninstall packages and their child components - <pkg ...>

li, list - list currently installed packages - <regexp>

se, search - search available packages - <regexp>

co, create-offline - create offline installer from selected packages - <pkg ...>

pr, purge - uninstall all packages and remove entire program directory

Options:

-?, -h, --help Displays this help.

-v, --version Displays version information.

-d, --verbose Verbose mode. Prints out more

information. Adding -d or

--verbose more than once

increases verbosity.

-g, --logging-rules <rules> Enables logging according to

passed rules. Comma separated

logging rules have the

following syntax:

loggingCategory=true/false.

Passing empty logging rules

enables all logging categories.

The following rules enable a

single category: ifw.*=false,

ifw.category=true. The

following logging categories

are available:

ifw.installer.installlog

ifw.server

--ar, --add-repository <URI,...> Add a local or remote

repository to the list of user

defined repositories.

--at, --add-temp-repository <URI,...> Add a local or remote

repository to the list of

temporary available

repositories.

--st, --set-temp-repository <URI,...> Set a local or remote

repository as temporary

repository, it is the only one

used during fetch.

Note: URI must be prefixed with

the protocol, i.e. ,

https://, http:// or ftp://.

--sp, --system-proxy Use system proxy on Windows

and Linux. This option has no

effect on macOS. (Default)

--np, --no-proxy Do not use system proxy.

--su, --start-updater Start application in updater

mode. This will override the

internal marker that is used to

distinguish which kind of

binary is currently running.

--sm, --start-package-manager Start application in package

manager mode. This will

override the internal marker

that is used to distinguish

which kind of binary is

currently running.

--sr, --start-uninstaller Start application in

uninstaller mode. This will

override the internal marker

that is used to distinguish

which kind of binary is

currently running.

-t, --root <directory> [CLI] Set installation root

directory.

--oi, --offline-installer-name <filename> [CLI] Set custom filename for

the generated offline

installer. Without this the

original filename is used with

an added "_offline-yyyy-MM-dd"

suffix.

-p, --platform <plugin> Use the specified platform

plugin.

--nf, --no-force-installations Allow deselecting components

that are marked as forced.

--nd, --no-default-installations Deselects components that are

marked as default.

--ns, --no-size-checking Disable checking of free space

for installation target.

--sv, --show-virtual-components Show virtual components in

installer and package manager.

-i, --install-compressed-repository <URI,...> Installs QBSP or 7z file. The

QBSP (Board Support Package)

file must be a .7z file which

contains a valid repository.

--cl, --create-local-repository Create a local repository

inside the installation

directory. This option has no

effect on online installers.

--am, --accept-messages [CLI] Accepts all message

queries without user input.

--rm, --reject-messages [CLI] Rejects all message

queries without user input.

--aa, --auto-answer <identifier=value> [CLI] Automatically answers

the message queries with the

message identifier and button

value. Several identifier=value

pairs can be given separated

with comma, for example

--auto-answer

message.id=Ok,message.id2=Cance

l.

--da, --default-answer [CLI] Automatically answers to

message queries with their

default values.

--al, --accept-licenses [CLI] Accepts all licenses

without user input.

--file-query <identifier=value> [CLI] Automatically sets the

QFileDialog values

getExistingDirectory() or

getOpenFileName() requested by

install script. Several

identifier=value pairs can be

given separated with comma, for

example --file-query

filedialog.id=C:Temp,filedialog

.id2=C:Temp2

-c, --confirm-command [CLI] Confirms starting of

installation, update or removal

of components without user

input.

-s, --script <file> Execute the script given as

argument.

--ss, --start-server <mode, socketname, key> Starts the application as

headless process waiting for

commands to execute. Mode can

be DEBUG or PRODUCTION. In

DEBUG mode, the option values

can be omitted. Note: The

server will not shutdown on his

own, you need to quit the

process by hand.

--sc, --start-client <socketname, key> Starts the application to

debug the client-server

communication. If a value is

omitted, the client will use a

default instead. Note: The

server process is not started

by the client application in

that case, you need to start it

on your own.

-q, --squish-port <port number> Give a port where Squish can

connect to. If no port is

given, default port 11233 is

used. Note: To enable Squish

support you first need to build

IFW with SQUISH_PATH parameter

where SQUISH_PATH is pointing

to your Squish installation

folder: <path_to_qt>/bin/qmake

-r SQUISH_PATH=<pat_to_squish>

-m, --email <email> [CLI] Email used for Qt

Account login.

--pw, --password <password> [CLI] Password used for Qt

Account login.

--ra, --reset-qtaccount Erase Qt Account information

from disk.

--ao, --accept-obligations [CLI] Accepts Qt Open Source

usage obligations without user

input.

--mirror <mirror> Uses the given mirror url for

opensource downloads.

Arguments:

Command Command to be run by

installer. Note that this

feature may be disabled by

vendor.

Args Extra arguments for command,

each separated by space.

InstallerValue Key-value pair to be set

internally by the framework.

国内著名的 Qt 镜像网站，主要是各个高校的：

中国科学技术大学：

清华大学：

北京理工大学：

中国互联网络信息中心：

镜像安装命令行：

qt-unified-windows-x86-4.1.1-online.exe --mirror

使用国内镜像后，一般家庭宽带下载速度持续可达1MB以上。