美好的一天,
我正在按如下方式对 json 属性进行POST
:
{"db.URL":"jdbc:derby:C:\Users\Sasha\unicentaopos-database;create=true"}
并得到一个例外:Unrecognized character escape ':' (code 58)n at [Source: java.io.StringReader@358b85c8; line: 1, column: 480]
现在,我想我需要用 \
替换,但每当我这样做时:
jsonString = jsonString.replaceAll("\", "\\");
我得到了另一个例外:
Exception in thread "AWT-EventQueue-0" java.util.regex.PatternSyntaxException: Unexpected internal error near index 1
^
at java.util.regex.Pattern.error(Pattern.java:1955)
at java.util.regex.Pattern.compile(Pattern.java:1702)
at java.util.regex.Pattern.<init>(Pattern.java:1351)
at java.util.regex.Pattern.compile(Pattern.java:1028)
at java.lang.String.replaceAll(String.java:2223)
at com.openbravo.pos.forms.AppConfig.convertConfigToJson(AppConfig.java:332)
at com.openbravo.pos.forms.AppConfig.load(AppConfig.java:221)
at com.openbravo.pos.forms.AppConfig.init(AppConfig.java:141)
at com.openbravo.pos.forms.AppConfig.<init>(AppConfig.java:70)
at com.openbravo.pos.forms.AppConfig.GetAppConfig(AppConfig.java:78)
at com.openbravo.pos.forms.StartPOS$1.run(StartPOS.java:99)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
我该如何处理?任何帮助都非常感谢。
在属性文件中,您必须转义=
并:
但在原始 Java 中您不需要这样做。
正确的转义(我相信(应该是:
"jdbc:derby:C:\Users\Sasha\unicentaopos-database;create=true"
即您只需要保留一个(如果有的话
"
(。