1

springboot-main/src/main/java/com/alvin/util/StringUtil.java

@@ -38,7 +38,7 @@ public class StringUtil {
         return !isEmpty(s);
     }
 
-    private static Pattern pattern = Pattern.compile("-?[0-9]+.?[0-9]*");
+    private static Pattern pattern = Pattern.compile("-?[0-9]+\\.?[0-9]*");
     public static boolean isNumber(String str) {
         // 通过Matcher进行字符串匹配
         Matcher m = pattern.matcher(str);