我在CFML中编写了以下小脚本执行shell命令,我的问题是输出,只要输出单行即可,如果是多行我只得到第一行,我试过了在脚本上执行while循环(在代码上注释)但不起作用,Java抛出内存错误java.lang.OutOfMemoryError: Java heap space
。我该怎么办?
<cfscript>
str = ":>exec uname";
exec_init=str.split(":>exec ");
exec=exec_init[2].split(" ");
p = createObject("java","java.lang.ProcessBuilder").init(exec).start();
i = createObject("java","java.io.InputStreamReader").init(p.getInputStream());
br = createObject("java","java.io.BufferedReader").init(i);
line=br.readLine();
//while (isDefined("line")) {
//writeoutput(line);
//}
br.close();
i.close();
</cfscript>
<cfdump var="#line#">
输出:
Linux
如果我发出像
这样的命令 ls
多行输出我得到了。
README.TXT
代替:
README.TXT VERSION.txt _-Railo-Getting-Started-_.html bin etc jre lib license-eplv10-aslv20.html modules notice.html resources start start.d start.ini start.jar stop webapps
答案 0 :(得分:2)
发现问题,我需要在循环中再次添加line = br.readLine();
。工作代码:
<cfscript>
str = ":>exec ls -al";
exec_init=str.split(":>exec ");
exec=exec_init[2].split(" ");
p = createObject("java","java.lang.ProcessBuilder").init(exec).start();
i = createObject("java","java.io.InputStreamReader").init(p.getInputStream());
br = createObject("java","java.io.BufferedReader").init(i);
line = br.readLine();
while (isDefined("line")) {
writeoutput(line);
line = br.readLine();
}
br.close();
i.close();
</cfscript>