添加异常工具类

jdk/src/main/java/cn/reghao/jutil/jdk/exception/ExceptionUtil.java

@@ -0,0 +1,33 @@
+package cn.reghao.jutil.jdk.exception;
+
+/**
+ * @author reghao
+ * @date 2020-08-10 13:52:13
+ */
+public class ExceptionUtil {
+    public static String errorMsg(Exception e) {
+        // TODO 记录栈跟踪
+        String stackTrace = stackTrace(e);
+
+        StringBuilder sb = new StringBuilder();
+        sb.append(e.getMessage());
+        Throwable throwable = e.getCause();
+        if (throwable != null) {
+            sb.append(System.lineSeparator()).append(throwable.getMessage());
+        }
+
+        return sb.toString();
+    }
+
+    public static String stackTrace(Exception e) {
+        StringBuilder sb = new StringBuilder();
+        sb.append(e.toString()).append(System.lineSeparator());
+
+        StackTraceElement[] elements = e.getStackTrace();
+        for (StackTraceElement ele : elements) {
+            sb.append("\t").append(ele.toString()).append(System.lineSeparator());
+        }
+
+        return sb.toString();
+    }
+}