可变参数是在JDK1.5之后出来的一个行特性,也是一个比较好用的东西 想起好多jfinal还有其他框架的查询方法就有好多用到了可变参数,自己也写了个这样的方法 public class Test{ public static void main(String[] args) { String sql=test("select * from table where id=? and state=? and name like '%?%'",1,2,"lao…
使用repalceAll 方法出现java.util.regex.PatternSyntaxException: Dangling meta character '*' near index 0异常 代码如下: @Test public void testReplaceAll(){ String sql = "select * from per_handle where id not in('3ce7405509414105a65e7456987e7393')"; String cou…
Exception in thread "main" java.util.regex.PatternSyntaxException: Unclosed character class near index 0 [ ^ 出现此错误应该是字符转义出现问题: System.out.println(str.replaceAll("[", "22")); 解决方案:在[之前加上\\ System.out.println(str.replaceAll(&qu…
java.util.regex.PatternSyntaxException: Dangling meta character '*' near index 0*&*^ at java.util.regex.Pattern.error(Pattern.java:1924) at java.util.regex.Pattern.sequence(Pattern.java:2090) at java.util.regex.Pattern.expr(Pattern.java:1964…
Unclosed group near index错误 之前自己写的一个模块在项目上线后最近频频出现tomcat崩掉的情况,从log看出现如下的报错信息: java.util.regex.PatternSyntaxException: Unclosed group near index 85 \\u521B\\u4E1A\\u5927\\u53A6(\\u6D59\\u6C5F\\u897F\\u6EAA\\u6821\\u533A\\u65C1\\uFF09at java.util.regex…
使用str.split("[",15)时,出现Exception in thread "main" java.util.regex.PatternSyntaxException: Unclosed character class near index 0 [ ^的问题 解决办法为在[加上\\转义 str.split("\\[",15) …
