CURL与运行时中的空间问题 [英] space issue in CURL with Runtime

问题描述

我有一个CURL命令，需要使用JSP文件中的Runtime方法运行

I have a CURL command which need to be run with the Runtime method in a JSP file

int cnt=10;    
String strCount="count"+cnt+"";
String msg= "{'text':'"+strCount+"'}";
String cmd = "curl -X POST -H 'Content-type: application/json' --data "+ msg +" https://hooks.slack.com/services/#####/###/###";
Runtime.getRuntime().exec(cmd);

哪个可以正常工作，但是当我将strCount更改为:

Which works fine, but when I change strCount to:

String strCount="Count is "+cnt+"";

它不再起作用了.很明显，Count is之间的空格不再起作用.

It doesn't work anymore. It's clear that the space between Count is is not working anymore.

推荐答案

将代码更改为此.

Runtime.getRuntime().exec(new String[] {"curl","-X", "POST","-H","'Content-type: application/json'","--data", msg, "https://hooks.slack.com/services/#####/###/###"});

按照

as per the Runtime#exec() docs, you can pass individual arguments with spaces in them if you make them an array, as seen above.

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