如何提取命令的变量？
我想知道如何使用Lua提取传递给命令的变量。
假设我们有这样一个字符串：
[["E:/League of Legends/RADS/projects/league_client/releases/0.0.0.154/deploy/LeagueClientUx.exe" "--release=0.0.0.124" "--rads-product-directory=E:/League of Legends/RADS/solutions/league_client_sln/releases/0.0.0.124/deploy/" "--remoting-auth-token=sometoken" "--respawn-command=LeagueClient.exe" "--respawn-display-name=League of Legends" "--app-port=54584" "--install-directory=E:/League of Legends/" "--app-name=LeagueClient" "--ux-name=LeagueClientUx" "--ux-helper-name=LeagueClientUxHelper" "--log-dir=LeagueClient Logs" "--bugsplat-name=league_client_riotgames_com" "--bugsplat-platform-id=EUW1" "--app-log-file-path=E:/League of Legends/Logs/LeagueClient Logs/2018-07-10T15-32-34_35052_LeagueClient.log" "--app-pid=35052" "--no-proxy-server"]]
我应该如何成功提取例如端口和app-pid？
作者:
用户9137020
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你可以使用
string.gmatchlocal str = [["E:/League of Legends/RADS/projects/league_client/releases/0.0.0.154/deploy/LeagueClientUx.exe" "--release=0.0.0.124" "--rads-product-directory=E:/League of Legends/RADS/solutions/league_client_sln/releases/0.0.0.124/deploy/" "--remoting-auth-token=sometoken" "--respawn-command=LeagueClient.exe" "--respawn-display-name=League of Legends" "--app-port=54584" "--install-directory=E:/League of Legends/" "--app-name=LeagueClient" "--ux-name=LeagueClientUx" "--ux-helper-name=LeagueClientUxHelper" "--log-dir=LeagueClient Logs" "--bugsplat-name=league_client_riotgames_com" "--bugsplat-platform-id=EUW1" "--app-log-file-path=E:/League of Legends/Logs/LeagueClient Logs/2018-07-10T15-32-34_35052_LeagueClient.log" "--app-pid=35052" "--no-proxy-server"]] for k,v in string.gmatch(str, "\"%-%-([^=]+)=([^\"]+)") do print(string.format("%s=%s", k, v)) endlocal str = [["E:/League of Legends/RADS/projects/league_client/releases/0.0.0.154/deploy/LeagueClientUx.exe" "--release=0.0.0.124" "--rads-product-directory=E:/League of Legends/RADS/solutions/league_client_sln/releases/0.0.0.124/deploy/" "--remoting-auth-token=sometoken" "--respawn-command=LeagueClient.exe" "--respawn-display-name=League of Legends" "--app-port=54584" "--install-directory=E:/League of Legends/" "--app-name=LeagueClient" "--ux-name=LeagueClientUx" "--ux-helper-name=LeagueClientUxHelper" "--log-dir=LeagueClient Logs" "--bugsplat-name=league_client_riotgames_com" "--bugsplat-platform-id=EUW1" "--app-log-file-path=E:/League of Legends/Logs/LeagueClient Logs/2018-07-10T15-32-34_35052_LeagueClient.log" "--app-pid=35052" "--no-proxy-server"]] local params = {} for k,v in string.gmatch(str, "\"%-%-([^=]+)=([^\"]+)") do params[k] = v end print(params["app-pid"]) print(params["app-port"])输出:
release=0.0.0.124 rads-product-directory=E:/League of Legends/RADS/solutions/league_client_sln/releases/0.0.0.124/deploy/ remoting-auth-token=sometoken respawn-command=LeagueClient.exe respawn-display-name=League of Legends app-port=54584 install-directory=E:/League of Legends/ app-name=LeagueClient ux-name=LeagueClientUx ux-helper-name=LeagueClientUxHelper log-dir=LeagueClient Logs bugsplat-name=league_client_riotgames_com bugsplat-platform-id=EUW1 app-log-file-path=E:/League of Legends/Logs/LeagueClient Logs/2018-07-10T15-32-34_35052_LeagueClient.log app-pid=35052http://rextester.com/JEYCF1205
此外，参见 Lua Patterns，了解如何创建自己的模式。 它几乎就像普通的正则表达式。