Java 引用字符串变量
Java Quoting string variables
我希望打印出来
ansible-playbook delete.yml --extra-vars "host=5.955.595 user=root
pass=anotherpw vm=myVm"
这是我的代码。但是好像不行。
String ip = "5.595.595";
String usr = "root";
String pw = "anotherpw";
String vmName = "myVm";
String p = "ansible-playbook delete.yml --extra-vars \"host\"= '"+ip+"' \"user\"='"+usr+"' \"pass\"= '"+pw+"' \"vm\"= '"+vmName+"' " ";
System.out.println(p);
你从字符串开始。
ansible-playbook delete.yml --extra-vars "host=5.955.595 user=root pass=anotherpw vm=myVm"
然后你转义所有特殊字符。在这种情况下,这只是 2 个双引号。
ansible-playbook delete.yml --extra-vars \"host=5.955.595 user=root pass=anotherpw vm=myVm\"
然后用双引号将其括起来,使其成为 Java 字符串文字。
"ansible-playbook delete.yml --extra-vars \"host=5.955.595 user=root pass=anotherpw vm=myVm\""
然后删除硬编码值并用具有动态值的变量的字符串连接替换它们。
"ansible-playbook delete.yml --extra-vars \"host=" + ip + " user=" + usr + " pass=" + pw + " vm=" + vmName + "\""
然后你把它赋给一个变量。
String p = "ansible-playbook delete.yml --extra-vars \"host=" + ip + " user=" + usr + " pass=" + pw + " vm=" + vmName + "\"";
然后将其换行,使其更具可读性。
String p = "ansible-playbook delete.yml --extra-vars \"host=" + ip +
" user=" + usr +
" pass=" + pw +
" vm=" + vmName + "\"";
看到它是多么容易,如果你一次只做一步?
我希望打印出来
ansible-playbook delete.yml --extra-vars "host=5.955.595 user=root pass=anotherpw vm=myVm"
这是我的代码。但是好像不行。
String ip = "5.595.595";
String usr = "root";
String pw = "anotherpw";
String vmName = "myVm";
String p = "ansible-playbook delete.yml --extra-vars \"host\"= '"+ip+"' \"user\"='"+usr+"' \"pass\"= '"+pw+"' \"vm\"= '"+vmName+"' " ";
System.out.println(p);
你从字符串开始。
ansible-playbook delete.yml --extra-vars "host=5.955.595 user=root pass=anotherpw vm=myVm"
然后你转义所有特殊字符。在这种情况下,这只是 2 个双引号。
ansible-playbook delete.yml --extra-vars \"host=5.955.595 user=root pass=anotherpw vm=myVm\"
然后用双引号将其括起来,使其成为 Java 字符串文字。
"ansible-playbook delete.yml --extra-vars \"host=5.955.595 user=root pass=anotherpw vm=myVm\""
然后删除硬编码值并用具有动态值的变量的字符串连接替换它们。
"ansible-playbook delete.yml --extra-vars \"host=" + ip + " user=" + usr + " pass=" + pw + " vm=" + vmName + "\""
然后你把它赋给一个变量。
String p = "ansible-playbook delete.yml --extra-vars \"host=" + ip + " user=" + usr + " pass=" + pw + " vm=" + vmName + "\"";
然后将其换行,使其更具可读性。
String p = "ansible-playbook delete.yml --extra-vars \"host=" + ip +
" user=" + usr +
" pass=" + pw +
" vm=" + vmName + "\"";
看到它是多么容易,如果你一次只做一步?